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Posted to commits@druid.apache.org by cw...@apache.org on 2019/09/23 23:08:13 UTC
[incubator-druid-website] branch asf-staging updated (b1de2be ->
387daf1)
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a change to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git.
discard b1de2be update to 0.16.0-incubating-rc3
discard d484632 update to latest 0.16.0-incubating docs
discard dd35339 updated kafka docs
discard 6c91deb staged docs for 0.16.0-incubating
add efb0649 Autobuild
add 7b95482 Merge pull request #35 from implydata/autobuild
add 2eb943f Autobuild
add e1b5ca9 Merge pull request #36 from implydata/autobuild
add deee848 add missing css
new a52b145 staged docs for 0.16.0-incubating
new 2e0afc6 updated kafka docs
new ed30ab5 update to latest 0.16.0-incubating docs
new f14fe87 update to 0.16.0-incubating-rc3
new 387daf1 update docs to latest 0.16.0-incubating
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Summary of changes:
.asf.yaml | 2 +-
community/index.html | 4 +
.../Integrating-Druid-With-Other-Technologies.html | 8 --
docs/0.16.0-incubating/assets/druid-production.png | Bin 40124 -> 0 bytes
.../assets/tutorial-batch-data-loader-01.png | Bin 56488 -> 136012 bytes
.../assets/tutorial-batch-data-loader-02.png | Bin 360295 -> 479718 bytes
.../assets/tutorial-batch-data-loader-03.png | Bin 137443 -> 213525 bytes
.../assets/tutorial-batch-data-loader-04.png | Bin 167252 -> 256156 bytes
.../assets/tutorial-batch-data-loader-05.png | Bin 162488 -> 256966 bytes
.../assets/tutorial-batch-data-loader-06.png | Bin 64301 -> 102523 bytes
.../assets/tutorial-batch-data-loader-07.png | Bin 46529 -> 98213 bytes
.../assets/tutorial-batch-data-loader-08.png | Bin 103928 -> 173466 bytes
.../assets/tutorial-batch-data-loader-09.png | Bin 63348 -> 116795 bytes
.../assets/tutorial-batch-data-loader-10.png | Bin 44516 -> 120604 bytes
.../assets/tutorial-batch-data-loader-11.png | Bin 83288 -> 151440 bytes
.../assets/tutorial-batch-submit-task-01.png | Bin 69356 -> 124402 bytes
.../assets/tutorial-batch-submit-task-02.png | Bin 86076 -> 142390 bytes
.../0.16.0-incubating/assets/tutorial-kafka-01.png | Bin 85477 -> 0 bytes
.../0.16.0-incubating/assets/tutorial-kafka-02.png | Bin 75709 -> 0 bytes
.../assets/tutorial-kafka-data-loader-01.png | Bin 0 -> 118171 bytes
.../assets/tutorial-kafka-data-loader-02.png | Bin 0 -> 510108 bytes
.../assets/tutorial-kafka-data-loader-03.png | Bin 0 -> 217849 bytes
.../assets/tutorial-kafka-data-loader-04.png | Bin 0 -> 260829 bytes
.../assets/tutorial-kafka-data-loader-05.png | Bin 0 -> 256966 bytes
.../assets/tutorial-kafka-data-loader-06.png | Bin 0 -> 94346 bytes
.../assets/tutorial-kafka-data-loader-07.png | Bin 0 -> 135815 bytes
.../assets/tutorial-kafka-data-loader-08.png | Bin 0 -> 97816 bytes
.../assets/tutorial-kafka-data-loader-09.png | Bin 0 -> 171974 bytes
.../assets/tutorial-kafka-data-loader-10.png | Bin 0 -> 113867 bytes
.../assets/tutorial-kafka-data-loader-11.png | Bin 0 -> 120255 bytes
.../assets/tutorial-kafka-data-loader-12.png | Bin 0 -> 153000 bytes
.../assets/tutorial-kafka-submit-supervisor-01.png | Bin 0 -> 143733 bytes
.../0.16.0-incubating/assets/tutorial-query-01.png | Bin 100930 -> 152011 bytes
.../0.16.0-incubating/assets/tutorial-query-02.png | Bin 83369 -> 144750 bytes
.../0.16.0-incubating/assets/tutorial-query-03.png | Bin 65038 -> 141293 bytes
.../assets/tutorial-quickstart-01.png | Bin 29834 -> 67013 bytes
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.../comparisons/druid-vs-key-value.html | 2 +-
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.../integrating-druid-with-other-technologies.html | 96 ++-------------------
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docs/0.16.0-incubating/ingestion/native-batch.html | 10 +--
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.../assets/tutorial-batch-data-loader-08.png | Bin 103928 -> 173466 bytes
.../assets/tutorial-batch-data-loader-09.png | Bin 63348 -> 116795 bytes
.../assets/tutorial-batch-data-loader-10.png | Bin 44516 -> 120604 bytes
.../assets/tutorial-batch-data-loader-11.png | Bin 83288 -> 151440 bytes
.../assets/tutorial-batch-submit-task-01.png | Bin 69356 -> 124402 bytes
.../assets/tutorial-batch-submit-task-02.png | Bin 86076 -> 142390 bytes
docs/latest/assets/tutorial-kafka-01.png | Bin 85477 -> 0 bytes
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docs/latest/operations/password-provider.html | 2 +-
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docs/latest/operations/recommendations.html | 10 +--
docs/latest/operations/reset-cluster.html | 2 +-
docs/latest/operations/rolling-updates.html | 2 +-
docs/latest/operations/rule-configuration.html | 2 +-
docs/latest/operations/segment-optimization.html | 4 +-
docs/latest/operations/single-server.html | 54 +++++++-----
docs/latest/operations/tls-support.html | 2 +-
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docs/latest/querying/datasourcemetadataquery.html | 2 +-
docs/latest/querying/dimensionspecs.html | 14 +--
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docs/latest/querying/sorting-orders.html | 4 +-
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docs/latest/querying/topnmetricspec.html | 2 +-
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docs/latest/tutorials/index.html | 10 +--
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druid-powered.html | 9 +-
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452 files changed, 1037 insertions(+), 1101 deletions(-)
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delete mode 100644 docs/0.16.0-incubating/ingestion/native_tasks.md
rename docs/{latest/ingestion/reports.md => 0.16.0-incubating/ingestion/reports.html} (100%)
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delete mode 100644 docs/latest/Integrating-Druid-With-Other-Technologies.html
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rename docs/{0.16.0-incubating/dependencies/cassandra-deep-storage.md => latest/dependencies/cassandra-deep-storage.html} (100%)
rename docs/{0.16.0-incubating/design/realtime.md => latest/design/plumber.html} (100%)
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rename docs/{0.16.0-incubating/ingestion/compaction.md => latest/ingestion/compaction.html} (100%)
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rename docs/{0.16.0-incubating/ingestion/misc-tasks.md => latest/ingestion/misc-tasks.html} (100%)
delete mode 100644 docs/latest/ingestion/native_tasks.md
rename docs/{0.16.0-incubating/ingestion/reports.md => latest/ingestion/reports.html} (100%)
rename docs/{0.16.0-incubating/ingestion/schema-changes.md => latest/ingestion/schema-changes.html} (100%)
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rename docs/{0.16.0-incubating/configuration/realtime.md => latest/ingestion/stream-pull.html} (100%)
rename docs/{0.16.0-incubating/ingestion/stream-push.md => latest/ingestion/stream-push.html} (100%)
rename docs/{0.16.0-incubating/ingestion/transform-spec.md => latest/ingestion/transform-spec.html} (100%)
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rename docs/{0.16.0-incubating/operations/including-extensions.md => latest/operations/including-extensions.html} (100%)
rename docs/{0.16.0-incubating/tutorials/tutorial-tranquility.md => latest/tutorials/tutorial-tranquility.html} (100%)
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[incubator-druid-website] 01/05: staged docs for 0.16.0-incubating
Posted by cw...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git
commit a52b145b22044f6954f12641e8252b17fc5056f8
Author: Clint Wylie <cw...@apache.org>
AuthorDate: Tue Sep 10 16:07:46 2019 -0700
staged docs for 0.16.0-incubating
---
.../About-Experimental-Features.html | 8 +
docs/0.16.0-incubating/Aggregations.html | 8 +
docs/0.16.0-incubating/ApproxHisto.html | 8 +
docs/0.16.0-incubating/Batch-ingestion.html | 8 +
.../Booting-a-production-cluster.html | 8 +
docs/0.16.0-incubating/Broker-Config.html | 8 +
docs/0.16.0-incubating/Broker.html | 8 +
docs/0.16.0-incubating/Build-from-source.html | 8 +
docs/0.16.0-incubating/Cassandra-Deep-Storage.html | 8 +
docs/0.16.0-incubating/Cluster-setup.html | 8 +
docs/0.16.0-incubating/Compute.html | 8 +
.../Concepts-and-Terminology.html | 8 +
docs/0.16.0-incubating/Configuration.html | 8 +
docs/0.16.0-incubating/Contribute.html | 8 +
docs/0.16.0-incubating/Coordinator-Config.html | 8 +
docs/0.16.0-incubating/Coordinator.html | 8 +
docs/0.16.0-incubating/DataSource.html | 8 +
.../0.16.0-incubating/DataSourceMetadataQuery.html | 8 +
docs/0.16.0-incubating/Data_formats.html | 8 +
docs/0.16.0-incubating/Deep-Storage.html | 8 +
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docs/0.16.0-incubating/DimensionSpecs.html | 8 +
docs/0.16.0-incubating/Download.html | 8 +
.../Druid-Personal-Demo-Cluster.html | 8 +
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docs/0.16.0-incubating/Druid-vs-Spark.html | 8 +
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docs/0.16.0-incubating/MySQL.html | 8 +
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docs/0.16.0-incubating/Querying.html | 8 +
docs/0.16.0-incubating/Realtime-Config.html | 8 +
docs/0.16.0-incubating/Realtime-ingestion.html | 8 +
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.../assets/druid-architecture.png | Bin 0 -> 134117 bytes
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docs/0.16.0-incubating/assets/indexing_service.png | Bin 0 -> 22490 bytes
.../assets/segmentPropagation.png | Bin 0 -> 30569 bytes
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docs/latest/comparisons/druid-vs-spark.html | 287 +-
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docs/latest/design/plumber.html | 238 -
docs/latest/design/plumber.md | 8 +
docs/latest/design/processes.html | 394 +-
docs/latest/design/realtime.html | 280 -
docs/latest/design/realtime.md | 8 +
docs/latest/design/router.html | 241 +
docs/latest/design/segments.html | 442 +-
docs/latest/development/build.html | 304 +-
.../community-extensions/kafka-simple.html | 8 +-
.../development/community-extensions/rabbitmq.html | 8 +-
docs/latest/development/experimental.html | 278 +-
.../extensions-contrib/ambari-metrics-emitter.html | 430 +-
.../development/extensions-contrib/azure.html | 480 +-
.../development/extensions-contrib/cassandra.html | 280 +-
.../development/extensions-contrib/cloudfiles.html | 508 +-
.../extensions-contrib/distinctcount.html | 391 +-
.../development/extensions-contrib/google.html | 461 +-
.../development/extensions-contrib/graphite.html | 425 +-
.../development/extensions-contrib/influx.html | 323 +-
.../extensions-contrib/influxdb-emitter.html | 120 +
.../extensions-contrib/kafka-emitter.html | 351 +-
.../extensions-contrib/kafka-simple.html | 288 -
.../development/extensions-contrib/kafka-simple.md | 8 +
.../extensions-contrib/materialized-view.html | 534 +-
.../extensions-contrib/momentsketch-quantiles.html | 451 +-
.../extensions-contrib/moving-average-query.html | 849 +--
.../extensions-contrib/opentsdb-emitter.html | 372 +-
.../development/extensions-contrib/rabbitmq.html | 366 --
.../development/extensions-contrib/rabbitmq.md | 8 +
.../extensions-contrib/redis-cache.html | 378 +-
.../development/extensions-contrib/rocketmq.html | 230 -
.../development/extensions-contrib/rocketmq.md | 8 +
.../development/extensions-contrib/sqlserver.html | 323 +-
.../development/extensions-contrib/statsd.html | 381 +-
.../tdigestsketch-quantiles.html | 193 +
.../development/extensions-contrib/thrift.html | 461 +-
.../extensions-contrib/time-min-max.html | 388 +-
.../extensions-core/approximate-histograms.html | 655 +--
docs/latest/development/extensions-core/avro.html | 723 +--
.../development/extensions-core/bloom-filter.html | 536 +-
.../extensions-core/datasketches-extension.html | 283 +-
.../extensions-core/datasketches-hll.html | 404 +-
.../extensions-core/datasketches-quantiles.html | 427 +-
.../extensions-core/datasketches-theta.html | 719 +--
.../extensions-core/datasketches-tuple.html | 506 +-
.../extensions-core/druid-basic-security.html | 1067 ++--
.../extensions-core/druid-kerberos.html | 453 +-
.../development/extensions-core/druid-lookups.html | 583 +-
.../development/extensions-core/examples.html | 326 +-
docs/latest/development/extensions-core/hdfs.html | 369 +-
.../extensions-core/kafka-eight-firehose.html | 270 -
.../extensions-core/kafka-eight-firehose.md | 8 +
.../kafka-extraction-namespace.html | 356 +-
.../extensions-core/kafka-ingestion.html | 1003 ++--
.../extensions-core/kinesis-ingestion.html | 1092 ++--
.../extensions-core/lookups-cached-global.html | 1032 ++--
docs/latest/development/extensions-core/mysql.html | 509 +-
docs/latest/development/extensions-core/orc.html | 784 ++-
.../development/extensions-core/parquet.html | 640 +--
.../development/extensions-core/postgresql.html | 476 +-
.../development/extensions-core/protobuf.html | 594 +-
docs/latest/development/extensions-core/s3.html | 533 +-
.../extensions-core/simple-client-sslcontext.html | 401 +-
docs/latest/development/extensions-core/stats.html | 497 +-
.../development/extensions-core/test-stats.html | 397 +-
docs/latest/development/extensions.html | 636 +--
docs/latest/development/geo.html | 450 +-
docs/latest/development/indexer.md | 8 +
.../integrating-druid-with-other-technologies.html | 290 +-
docs/latest/development/javascript.html | 300 +-
.../kafka-simple-consumer-firehose.html | 8 +-
docs/latest/development/modules.html | 542 +-
docs/latest/development/overview.html | 333 +-
docs/latest/development/router.html | 493 --
docs/latest/development/router.md | 8 +
docs/latest/development/versioning.html | 285 +-
docs/latest/ingestion/batch-ingestion.html | 240 -
docs/latest/ingestion/batch-ingestion.md | 8 +
.../ingestion/command-line-hadoop-indexer.html | 345 --
.../ingestion/command-line-hadoop-indexer.md | 8 +
docs/latest/ingestion/compaction.html | 379 --
docs/latest/ingestion/compaction.md | 8 +
docs/latest/ingestion/data-formats.html | 585 +-
docs/latest/ingestion/data-management.html | 244 +
docs/latest/ingestion/delete-data.html | 250 -
docs/latest/ingestion/delete-data.md | 8 +
docs/latest/ingestion/faq.html | 380 +-
docs/latest/ingestion/firehose.html | 655 ---
docs/latest/ingestion/firehose.md | 8 +
docs/latest/ingestion/flatten-json.html | 413 --
docs/latest/ingestion/flatten-json.md | 8 +
docs/latest/ingestion/hadoop-vs-native-batch.html | 295 -
docs/latest/ingestion/hadoop-vs-native-batch.md | 8 +
docs/latest/ingestion/hadoop.html | 1266 ++---
docs/latest/ingestion/index.html | 1224 +++--
docs/latest/ingestion/ingestion-spec.html | 833 ---
docs/latest/ingestion/ingestion-spec.md | 8 +
docs/latest/ingestion/locking-and-priority.html | 310 --
docs/latest/ingestion/locking-and-priority.md | 8 +
docs/latest/ingestion/misc-tasks.html | 282 -
docs/latest/ingestion/misc-tasks.md | 8 +
docs/latest/ingestion/native-batch.html | 915 ++-
docs/latest/ingestion/native_tasks.html | 1157 +---
docs/latest/ingestion/native_tasks.md | 8 +
docs/latest/ingestion/realtime-ingestion.html | 8 +-
docs/latest/ingestion/reports.html | 335 --
docs/latest/ingestion/reports.md | 8 +
docs/latest/ingestion/schema-changes.html | 271 -
docs/latest/ingestion/schema-changes.md | 8 +
docs/latest/ingestion/schema-design.html | 545 +-
docs/latest/ingestion/standalone-realtime.html | 94 +
docs/latest/ingestion/stream-ingestion.html | 257 -
docs/latest/ingestion/stream-ingestion.md | 8 +
docs/latest/ingestion/stream-pull.html | 789 ---
docs/latest/ingestion/stream-pull.md | 8 +
docs/latest/ingestion/stream-push.html | 385 --
docs/latest/ingestion/stream-push.md | 8 +
docs/latest/ingestion/tasks.html | 607 +-
docs/latest/ingestion/tranquility.html | 89 +
docs/latest/ingestion/transform-spec.html | 321 --
docs/latest/ingestion/transform-spec.md | 8 +
docs/latest/ingestion/update-existing-data.html | 437 --
docs/latest/ingestion/update-existing-data.md | 8 +
docs/latest/misc/math-expr.html | 855 +--
docs/latest/misc/papers-and-talks.html | 282 +-
docs/latest/operations/alerts.html | 276 +-
docs/latest/operations/api-reference.html | 977 +---
docs/latest/operations/basic-cluster-tuning.html | 614 +--
docs/latest/operations/deep-storage-migration.html | 317 +-
docs/latest/operations/druid-console.html | 369 +-
docs/latest/operations/dump-segment.html | 422 +-
docs/latest/operations/export-metadata.html | 465 +-
docs/latest/operations/getting-started.html | 306 +-
docs/latest/operations/high-availability.html | 276 +-
docs/latest/operations/http-compression.html | 303 +-
docs/latest/operations/including-extensions.html | 281 -
docs/latest/operations/including-extensions.md | 8 +
docs/latest/operations/insert-segment-to-db.html | 281 +-
docs/latest/operations/management-uis.html | 325 +-
docs/latest/operations/metadata-migration.html | 357 +-
docs/latest/operations/metrics.html | 1521 ++---
docs/latest/operations/other-hadoop.html | 591 +-
docs/latest/operations/password-provider.html | 317 +-
docs/latest/operations/pull-deps.html | 394 +-
docs/latest/operations/recommendations.html | 354 +-
docs/latest/operations/reset-cluster.html | 324 +-
docs/latest/operations/rolling-updates.html | 315 +-
docs/latest/operations/rule-configuration.html | 493 +-
docs/latest/operations/segment-optimization.html | 342 +-
docs/latest/operations/single-server.html | 311 +-
docs/latest/operations/tls-support.html | 540 +-
.../operations/use_sbt_to_build_fat_jar.html | 473 +-
docs/latest/querying/aggregations.html | 672 +--
docs/latest/querying/caching.html | 301 +-
docs/latest/querying/datasource.html | 325 +-
docs/latest/querying/datasourcemetadataquery.html | 331 +-
docs/latest/querying/dimensionspecs.html | 861 ++-
docs/latest/querying/filters.html | 1118 ++--
docs/latest/querying/granularities.html | 886 ++-
docs/latest/querying/groupbyquery.html | 1035 ++--
docs/latest/querying/having.html | 606 +-
docs/latest/querying/hll-old.html | 408 +-
docs/latest/querying/joins.html | 315 +-
docs/latest/querying/limitspec.html | 309 +-
docs/latest/querying/lookups.html | 937 ++--
docs/latest/querying/multi-value-dimensions.html | 757 +--
docs/latest/querying/multitenancy.html | 334 +-
docs/latest/querying/post-aggregations.html | 510 +-
docs/latest/querying/query-context.html | 459 +-
docs/latest/querying/querying.html | 458 +-
docs/latest/querying/scan-query.html | 666 +--
docs/latest/querying/searchquery.html | 513 +-
docs/latest/querying/searchqueryspec.html | 329 +-
docs/latest/querying/segmentmetadataquery.html | 472 +-
docs/latest/querying/select-query.html | 705 +--
docs/latest/querying/sorting-orders.html | 312 +-
docs/latest/querying/sql.html | 2227 +++-----
docs/latest/querying/timeboundaryquery.html | 347 +-
docs/latest/querying/timeseriesquery.html | 526 +-
docs/latest/querying/topnmetricspec.html | 416 +-
docs/latest/querying/topnquery.html | 720 +--
docs/latest/querying/virtual-columns.html | 363 +-
docs/latest/toc.html | 269 -
docs/latest/tutorials/cluster.html | 776 +--
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docs/latest/tutorials/index.html | 450 +-
docs/latest/tutorials/tutorial-batch-hadoop.html | 530 +-
docs/latest/tutorials/tutorial-batch.html | 551 +-
docs/latest/tutorials/tutorial-compaction.html | 449 +-
docs/latest/tutorials/tutorial-delete-data.html | 483 +-
docs/latest/tutorials/tutorial-ingestion-spec.html | 1253 ++---
docs/latest/tutorials/tutorial-kafka.html | 489 +-
.../latest/tutorials/tutorial-kerberos-hadoop.html | 389 +-
docs/latest/tutorials/tutorial-query.html | 659 +--
docs/latest/tutorials/tutorial-retention.html | 359 +-
docs/latest/tutorials/tutorial-rollup.html | 495 +-
docs/latest/tutorials/tutorial-tranquility.html | 291 -
docs/latest/tutorials/tutorial-tranquility.md | 8 +
docs/latest/tutorials/tutorial-transform-spec.html | 488 +-
docs/latest/tutorials/tutorial-update-data.html | 425 +-
js/codetabs.js | 31 +
js/scrollSpy.js | 76 +
763 files changed, 63794 insertions(+), 69334 deletions(-)
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diff --git a/docs/0.16.0-incubating/DataSource.html b/docs/0.16.0-incubating/DataSource.html
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+<title>Redirecting...</title>
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diff --git a/docs/0.16.0-incubating/DimensionSpecs.html b/docs/0.16.0-incubating/DimensionSpecs.html
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+<meta charset="utf-8">
+<title>Redirecting...</title>
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diff --git a/docs/0.16.0-incubating/Druid-vs-Elasticsearch.html b/docs/0.16.0-incubating/Druid-vs-Elasticsearch.html
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+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="comparisons/druid-vs-elasticsearch.html">
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+<title>Redirecting...</title>
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diff --git a/docs/0.16.0-incubating/Druid-vs-Vertica.html b/docs/0.16.0-incubating/Druid-vs-Vertica.html
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diff --git a/docs/0.16.0-incubating/Evaluate.html b/docs/0.16.0-incubating/Evaluate.html
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+<title>Redirecting...</title>
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+<title>Redirecting...</title>
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diff --git a/docs/0.16.0-incubating/Home.html b/docs/0.16.0-incubating/Home.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs Elasticsearch · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs Elasticsearch · Apache Druid"/><meta property="og:type" content="website"/><meta [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs Elasticsearch</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
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+<p>We are not experts on search systems, if anything is incorrect about our portrayal, please let us know on the mailing list or via some other means.</p>
+<p>Elasticsearch is a search system based on Apache Lucene. It provides full text search for schema-free documents
+and provides access to raw event level data. Elasticsearch is increasingly adding more support for analytics and aggregations.
+<a href="https://groups.google.com/forum/#!msg/druid-development/nlpwTHNclj8/sOuWlKOzPpYJ">Some members of the community</a> have pointed out
+the resource requirements for data ingestion and aggregation in Elasticsearch is much higher than those of Druid.</p>
+<p>Elasticsearch also does not support data summarization/roll-up at ingestion time, which can compact the data that needs to be
+stored up to 100x with real-world data sets. This leads to Elasticsearch having greater storage requirements.</p>
+<p>Druid focuses on OLAP work flows. Druid is optimized for high performance (fast aggregation and ingestion) at low cost,
+and supports a wide range of analytic operations. Druid has some basic search support for structured event data, but does not support
+full text search. Druid also does not support completely unstructured data. Measures must be defined in a Druid schema such that
+summarization/roll-up can be done.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/misc/papers-and-talks.html"><span class="arrow-prev">← </span><span>Papers</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html"><span class="function-name-prevnext">Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><fo [...]
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html b/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB) · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB) · Apa [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Druid is highly optimized for scans and aggregations, it supports arbitrarily deep drill downs into data sets. This same functionality
+is supported in key/value stores in 2 ways:</p>
+<ol>
+<li>Pre-compute all permutations of possible user queries</li>
+<li>Range scans on event data</li>
+</ol>
+<p>When pre-computing results, the key is the exact parameters of the query, and the value is the result of the query.
+The queries return extremely quickly, but at the cost of flexibility, as ad-hoc exploratory queries are not possible with
+pre-computing every possible query permutation. Pre-computing all permutations of all ad-hoc queries leads to result sets
+that grow exponentially with the number of columns of a data set, and pre-computing queries for complex real-world data sets
+can require hours of pre-processing time.</p>
+<p>The other approach to using key/value stores for aggregations to use the dimensions of an event as the key and the event measures as the value.
+Aggregations are done by issuing range scans on this data. Timeseries specific databases such as OpenTSDB use this approach.
+One of the limitations here is that the key/value storage model does not have indexes for any kind of filtering other than prefix ranges,
+which can be used to filter a query down to a metric and time range, but cannot resolve complex predicates to narrow the exact data to scan.
+When the number of rows to scan gets large, this limitation can greatly reduce performance. It is also harder to achieve good
+locality with key/value stores because most don’t support pushing down aggregates to the storage layer.</p>
+<p>For arbitrary exploration of data (flexible data filtering), Druid's custom column format enables ad-hoc queries without pre-computation. The format
+also enables fast scans on columns, which is important for good aggregation performance.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-elasticsearch.html"><span class="arrow-prev">← </span><span>Apache Druid vs Elasticsearch</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html"><span>Apache Druid vs Kudu</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id= [...]
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html b/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs Kudu · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs Kudu · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs Kudu</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Kudu's storage format enables single row updates, whereas updates to existing Druid segments requires recreating the segment, so theoretically
+the process for updating old values should be higher latency in Druid. However, the requirements in Kudu for maintaining extra head space to store
+updates as well as organizing data by id instead of time has the potential to introduce some extra latency and accessing
+of data that is not need to answer a query at query time.</p>
+<p>Druid summarizes/rollups up data at ingestion time, which in practice reduces the raw data that needs to be
+stored significantly (up to 40 times on average), and increases performance of scanning raw data significantly.
+Druid segments also contain bitmap indexes for fast filtering, which Kudu does not currently support.
+Druid's segment architecture is heavily geared towards fast aggregates and filters, and for OLAP workflows. Appends are very
+fast in Druid, whereas updates of older data is higher latency. This is by design as the data Druid is good for is typically event data,
+and does not need to be updated too frequently. Kudu supports arbitrary primary keys with uniqueness constraints, and
+efficient lookup by ranges of those keys. Kudu chooses not to include the execution engine, but supports sufficient
+operations so as to allow node-local processing from the execution engines. This means that Kudu can support multiple frameworks on the same data (eg MR, Spark, and SQL).
+Druid includes its own query layer that allows it to push down aggregations and computations directly to data processes for faster query processing.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-redshift.html"><span>Apache Druid vs Redshift</span><span class="arrow-next"> →</span></a></div></div></div><nav class=" [...]
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-redshift.html b/docs/0.16.0-incubating/comparisons/druid-vs-redshift.html
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@@ -0,0 +1,102 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs Redshift · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs Redshift · Apache Druid"/><meta property="og:type" content="website"/><meta property=" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs Redshift</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="how-does-druid-compare-to-redshift"></a><a href="#how-does-druid-compare-to-redshift" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5 [...]
+<p>In terms of drawing a differentiation, Redshift started out as ParAccel (Actian), which Amazon is licensing and has since heavily modified.</p>
+<p>Aside from potential performance differences, there are some functional differences:</p>
+<h3><a class="anchor" aria-hidden="true" id="real-time-data-ingestion"></a><a href="#real-time-data-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>Because Druid is optimized to provide insight against massive quantities of streaming data; it is able to load and aggregate data in real-time.</p>
+<p>Generally traditional data warehouses including column stores work only with batch ingestion and are not optimal for streaming data in regularly.</p>
+<h3><a class="anchor" aria-hidden="true" id="druid-is-a-read-oriented-analytical-data-store"></a><a href="#druid-is-a-read-oriented-analytical-data-store" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3 [...]
+<p>Druid’s write semantics are not as fluid and does not support full joins (we support large table to small table joins). Redshift provides full SQL support including joins and insert/update statements.</p>
+<h3><a class="anchor" aria-hidden="true" id="data-distribution-model"></a><a href="#data-distribution-model" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>Druid’s data distribution is segment-based and leverages a highly available "deep" storage such as S3 or HDFS. Scaling up (or down) does not require massive copy actions or downtime; in fact, losing any number of Historical processes does not result in data loss because new Historical processes can always be brought up by reading data from "deep" storage.</p>
+<p>To contrast, ParAccel’s data distribution model is hash-based. Expanding the cluster requires re-hashing the data across the nodes, making it difficult to perform without taking downtime. Amazon’s Redshift works around this issue with a multi-step process:</p>
+<ul>
+<li>set cluster into read-only mode</li>
+<li>copy data from cluster to new cluster that exists in parallel</li>
+<li>redirect traffic to new cluster</li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="replication-strategy"></a><a href="#replication-strategy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Druid employs segment-level data distribution meaning that more processes can be added and rebalanced without having to perform a staged swap. The replication strategy also makes all replicas available for querying. Replication is done automatically and without any impact to performance.</p>
+<p>ParAccel’s hash-based distribution generally means that replication is conducted via hot spares. This puts a numerical limit on the number of nodes you can lose without losing data, and this replication strategy often does not allow the hot spare to help share query load.</p>
+<h3><a class="anchor" aria-hidden="true" id="indexing-strategy"></a><a href="#indexing-strategy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>Along with column oriented structures, Druid uses indexing structures to speed up query execution when a filter is provided. Indexing structures do increase storage overhead (and make it more difficult to allow for mutation), but they also significantly speed up queries.</p>
+<p>ParAccel does not appear to employ indexing strategies.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html"><span class="arrow-prev">← </span><span>Apache Druid vs Kudu</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-spark.html"><span>Apache Druid vs Spark</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div cl [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs Spark · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs Spark · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
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+ arrow.classList.toggle('rotate');
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+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
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+ var toggler = document.querySelector(togglerSelector);
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+ return;
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+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs Spark</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Druid and Spark are complementary solutions as Druid can be used to accelerate OLAP queries in Spark.</p>
+<p>Spark is a general cluster computing framework initially designed around the concept of Resilient Distributed Datasets (RDDs).
+RDDs enable data reuse by persisting intermediate results
+in memory and enable Spark to provide fast computations for iterative algorithms.
+This is especially beneficial for certain work flows such as machine
+learning, where the same operation may be applied over and over
+again until some result is converged upon. The generality of Spark makes it very suitable as an engine to process (clean or transform) data.
+Although Spark provides the ability to query data through Spark SQL, much like Hadoop, the query latencies are not specifically targeted to be interactive (sub-second).</p>
+<p>Druid's focus is on extremely low latency queries, and is ideal for powering applications used by thousands of users, and where each query must
+return fast enough such that users can interactively explore through data. Druid fully indexes all data, and can act as a middle layer between Spark and your application.
+One typical setup seen in production is to process data in Spark, and load the processed data into Druid for faster access.</p>
+<p>For more information about using Druid and Spark together, including benchmarks of the two systems, please see:</p>
+<p><a href="https://www.linkedin.com/pulse/combining-druid-spark-interactive-flexible-analytics-scale-butani">https://www.linkedin.com/pulse/combining-druid-spark-interactive-flexible-analytics-scale-butani</a></p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-redshift.html"><span class="arrow-prev">← </span><span>Apache Druid vs Redshift</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html"><span>Apache Druid vs SQL-on-Hadoop</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-foo [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Druid vs SQL-on-Hadoop · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Druid vs SQL-on-Hadoop · Apache Druid"/><meta property="og:type" content="website"/><meta [...]
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+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
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+ var arrow = this.childNodes[1];
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+ el = el.parentNode;
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+ event.preventDefault();
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Druid vs SQL-on-Hadoop</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
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+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>SQL-on-Hadoop engines provide an
+execution engine for various data formats and data stores, and
+many can be made to push down computations down to Druid, while providing a SQL interface to Druid.</p>
+<p>For a direct comparison between the technologies and when to only use one or the other, things basically comes down to your
+product requirements and what the systems were designed to do.</p>
+<p>Druid was designed to</p>
+<ol>
+<li>be an always on service</li>
+<li>ingest data in real-time</li>
+<li>handle slice-n-dice style ad-hoc queries</li>
+</ol>
+<p>SQL-on-Hadoop engines generally sidestep Map/Reduce, instead querying data directly from HDFS or, in some cases, other storage systems.
+Some of these engines (including Impala and Presto) can be colocated with HDFS data nodes and coordinate with them to achieve data locality for queries.
+What does this mean? We can talk about it in terms of three general areas</p>
+<ol>
+<li>Queries</li>
+<li>Data Ingestion</li>
+<li>Query Flexibility</li>
+</ol>
+<h3><a class="anchor" aria-hidden="true" id="queries"></a><a href="#queries" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<p>Druid segments stores data in a custom column format. Segments are scanned directly as part of queries and each Druid server
+calculates a set of results that are eventually merged at the Broker level. This means the data that is transferred between servers
+are queries and results, and all computation is done internally as part of the Druid servers.</p>
+<p>Most SQL-on-Hadoop engines are responsible for query planning and execution for underlying storage layers and storage formats.
+They are processes that stay on even if there is no query running (eliminating the JVM startup costs from Hadoop MapReduce).
+Some (Impala/Presto) SQL-on-Hadoop engines have daemon processes that can be run where the data is stored, virtually eliminating network transfer costs. There is still
+some latency overhead (e.g. serde time) associated with pulling data from the underlying storage layer into the computation layer. We are unaware of exactly
+how much of a performance impact this makes.</p>
+<h3><a class="anchor" aria-hidden="true" id="data-ingestion"></a><a href="#data-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>Druid is built to allow for real-time ingestion of data. You can ingest data and query it immediately upon ingestion,
+the latency between how quickly the event is reflected in the data is dominated by how long it takes to deliver the event to Druid.</p>
+<p>SQL-on-Hadoop, being based on data in HDFS or some other backing store, are limited in their data ingestion rates by the
+rate at which that backing store can make data available. Generally, the backing store is the biggest bottleneck for
+how quickly data can become available.</p>
+<h3><a class="anchor" aria-hidden="true" id="query-flexibility"></a><a href="#query-flexibility" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>Druid's query language is fairly low level and maps to how Druid operates internally. Although Druid can be combined with a high level query
+planner such as <a href="https://github.com/implydata/plywood">Plywood</a> to support most SQL queries and analytic SQL queries (minus joins among large tables),
+base Druid is less flexible than SQL-on-Hadoop solutions for generic processing.</p>
+<p>SQL-on-Hadoop support SQL style queries with full joins.</p>
+<h2><a class="anchor" aria-hidden="true" id="druid-vs-parquet"></a><a href="#druid-vs-parquet" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>Parquet is a column storage format that is designed to work with SQL-on-Hadoop engines. Parquet doesn't have a query execution engine, and instead
+relies on external sources to pull data out of it.</p>
+<p>Druid's storage format is highly optimized for linear scans. Although Druid has support for nested data, Parquet's storage format is much
+more hierachical, and is more designed for binary chunking. In theory, this should lead to faster scans in Druid.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-spark.html"><span class="arrow-prev">← </span><span>Apache Druid vs Spark</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/auth.html"><span>Authentication and Authorization</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#druid-vs-parquet">Druid vs Parquet [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Configuration reference · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Configuration reference · Apache Druid"/><meta property="og:type" content="website"/><meta property="og [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Configuration reference</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
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+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>This page documents all of the configuration properties for each Druid service type.</p>
+<h2><a class="anchor" aria-hidden="true" id="recommended-configuration-file-organization"></a><a href="#recommended-configuration-file-organization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h [...]
+<p>A recommended way of organizing Druid configuration files can be seen in the <code>conf</code> directory in the Druid package root, shown below:</p>
+<pre><code class="hljs">$ ls -R conf
+druid tranquility
+
+conf/druid:
+_common broker coordinator historical middleManager overlord
+
+conf/druid/_common:
+common<span class="hljs-selector-class">.runtime</span><span class="hljs-selector-class">.properties</span> log4j2<span class="hljs-selector-class">.xml</span>
+
+conf/druid/broker:
+jvm<span class="hljs-selector-class">.config</span> runtime<span class="hljs-selector-class">.properties</span>
+
+conf/druid/coordinator:
+jvm<span class="hljs-selector-class">.config</span> runtime<span class="hljs-selector-class">.properties</span>
+
+conf/druid/historical:
+jvm<span class="hljs-selector-class">.config</span> runtime<span class="hljs-selector-class">.properties</span>
+
+conf/druid/middleManager:
+jvm<span class="hljs-selector-class">.config</span> runtime<span class="hljs-selector-class">.properties</span>
+
+conf/druid/overlord:
+jvm<span class="hljs-selector-class">.config</span> runtime<span class="hljs-selector-class">.properties</span>
+
+conf/tranquility:
+kafka<span class="hljs-selector-class">.json</span> server<span class="hljs-selector-class">.json</span>
+</code></pre>
+<p>Each directory has a <code>runtime.properties</code> file containing configuration properties for the specific Druid process correponding to the directory (e.g., <code>historical</code>).</p>
+<p>The <code>jvm.config</code> files contain JVM flags such as heap sizing properties for each service.</p>
+<p>Common properties shared by all services are placed in <code>_common/common.runtime.properties</code>.</p>
+<h2><a class="anchor" aria-hidden="true" id="common-configurations"></a><a href="#common-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>The properties under this section are common configurations that should be shared across all Druid services in a cluster.</p>
+<h3><a class="anchor" aria-hidden="true" id="jvm-configuration-best-practices"></a><a href="#jvm-configuration-best-practices" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>There are four JVM parameters that we set on all of our processes:</p>
+<ol>
+<li><code>-Duser.timezone=UTC</code> This sets the default timezone of the JVM to UTC. We always set this and do not test with other default timezones, so local timezones might work, but they also might uncover weird and interesting bugs. To issue queries in a non-UTC timezone, see <a href="../querying/granularities.html#period-granularities">query granularities</a></li>
+<li><code>-Dfile.encoding=UTF-8</code> This is similar to timezone, we test assuming UTF-8. Local encodings might work, but they also might result in weird and interesting bugs.</li>
+<li><code>-Djava.io.tmpdir=<a path></code> Various parts of the system that interact with the file system do it via temporary files, and these files can get somewhat large. Many production systems are set up to have small (but fast) <code>/tmp</code> directories, which can be problematic with Druid so we recommend pointing the JVM’s tmp directory to something with a little more meat.</li>
+<li><code>-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager</code> This allows log4j2 to handle logs for non-log4j2 components (like jetty) which use standard java logging.</li>
+</ol>
+<h3><a class="anchor" aria-hidden="true" id="extensions"></a><a href="#extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>Many of Druid's external dependencies can be plugged in as modules. Extensions can be provided using the following configs:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.extensions.directory</code></td><td>The root extension directory where user can put extensions related files. Druid will load extensions stored under this directory.</td><td><code>extensions</code> (This is a relative path to Druid's working directory)</td></tr>
+<tr><td><code>druid.extensions.hadoopDependenciesDir</code></td><td>The root hadoop dependencies directory where user can put hadoop related dependencies files. Druid will load the dependencies based on the hadoop coordinate specified in the hadoop index task.</td><td><code>hadoop-dependencies</code> (This is a relative path to Druid's working directory</td></tr>
+<tr><td><code>druid.extensions.loadList</code></td><td>A JSON array of extensions to load from extension directories by Druid. If it is not specified, its value will be <code>null</code> and Druid will load all the extensions under <code>druid.extensions.directory</code>. If its value is empty list <code>[]</code>, then no extensions will be loaded at all. It is also allowed to specify absolute path of other custom extensions not stored in the common extensions directory.</td><td>null</td></tr>
+<tr><td><code>druid.extensions.searchCurrentClassloader</code></td><td>This is a boolean flag that determines if Druid will search the main classloader for extensions. It defaults to true but can be turned off if you have reason to not automatically add all modules on the classpath.</td><td>true</td></tr>
+<tr><td><code>druid.extensions.useExtensionClassloaderFirst</code></td><td>This is a boolean flag that determines if Druid extensions should prefer loading classes from their own jars rather than jars bundled with Druid. If false, extensions must be compatible with classes provided by any jars bundled with Druid. If true, extensions may depend on conflicting versions.</td><td>false</td></tr>
+<tr><td><code>druid.extensions.hadoopContainerDruidClasspath</code></td><td>Hadoop Indexing launches hadoop jobs and this configuration provides way to explicitly set the user classpath for the hadoop job. By default this is computed automatically by druid based on the druid process classpath and set of extensions. However, sometimes you might want to be explicit to resolve dependency conflicts between druid and hadoop.</td><td>null</td></tr>
+<tr><td><code>druid.extensions.addExtensionsToHadoopContainer</code></td><td>Only applicable if <code>druid.extensions.hadoopContainerDruidClasspath</code> is provided. If set to true, then extensions specified in the loadList are added to hadoop container classpath. Note that when <code>druid.extensions.hadoopContainerDruidClasspath</code> is not provided then extensions are always added to hadoop container classpath.</td><td>false</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="modules"></a><a href="#modules" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.modules.excludeList</code></td><td>A JSON array of canonical class names (e. g. <code>"org.apache.druid.somepackage.SomeModule"</code>) of module classes which shouldn't be loaded, even if they are found in extensions specified by <code>druid.extensions.loadList</code>, or in the list of core modules specified to be loaded on a particular Druid process type. Useful when some useful extension contains some module, which shouldn't be loaded on some Druid proce [...]
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="zookeeper"></a><a href="#zookeeper" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
+<p>We recommend just setting the base ZK path and the ZK service host, but all ZK paths that Druid uses can be overwritten to absolute paths.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.zk.paths.base</code></td><td>Base Zookeeper path.</td><td><code>/druid</code></td></tr>
+<tr><td><code>druid.zk.service.host</code></td><td>The ZooKeeper hosts to connect to. This is a REQUIRED property and therefore a host address must be supplied.</td><td>none</td></tr>
+<tr><td><code>druid.zk.service.user</code></td><td>The username to authenticate with ZooKeeper. This is an optional property.</td><td>none</td></tr>
+<tr><td><code>druid.zk.service.pwd</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or the string password to authenticate with ZooKeeper. This is an optional property.</td><td>none</td></tr>
+<tr><td><code>druid.zk.service.authScheme</code></td><td>digest is the only authentication scheme supported.</td><td>digest</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="zookeeper-behavior"></a><a href="#zookeeper-behavior" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.zk.service.sessionTimeoutMs</code></td><td>ZooKeeper session timeout, in milliseconds.</td><td><code>30000</code></td></tr>
+<tr><td><code>druid.zk.service.connectionTimeoutMs</code></td><td>ZooKeeper connection timeout, in milliseconds.</td><td><code>15000</code></td></tr>
+<tr><td><code>druid.zk.service.compress</code></td><td>Boolean flag for whether or not created Znodes should be compressed.</td><td><code>true</code></td></tr>
+<tr><td><code>druid.zk.service.acl</code></td><td>Boolean flag for whether or not to enable ACL security for ZooKeeper. If ACL is enabled, zNode creators will have all permissions.</td><td><code>false</code></td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="path-configuration"></a><a href="#path-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Druid interacts with ZK through a set of standard path configurations. We recommend just setting the base ZK path, but all ZK paths that Druid uses can be overwritten to absolute paths.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.zk.paths.base</code></td><td>Base Zookeeper path.</td><td><code>/druid</code></td></tr>
+<tr><td><code>druid.zk.paths.propertiesPath</code></td><td>Zookeeper properties path.</td><td><code>${druid.zk.paths.base}/properties</code></td></tr>
+<tr><td><code>druid.zk.paths.announcementsPath</code></td><td>Druid process announcement path.</td><td><code>${druid.zk.paths.base}/announcements</code></td></tr>
+<tr><td><code>druid.zk.paths.liveSegmentsPath</code></td><td>Current path for where Druid processes announce their segments.</td><td><code>${druid.zk.paths.base}/segments</code></td></tr>
+<tr><td><code>druid.zk.paths.loadQueuePath</code></td><td>Entries here cause Historical processes to load and drop segments.</td><td><code>${druid.zk.paths.base}/loadQueue</code></td></tr>
+<tr><td><code>druid.zk.paths.coordinatorPath</code></td><td>Used by the Coordinator for leader election.</td><td><code>${druid.zk.paths.base}/coordinator</code></td></tr>
+<tr><td><code>druid.zk.paths.servedSegmentsPath</code></td><td>@Deprecated. Legacy path for where Druid processes announce their segments.</td><td><code>${druid.zk.paths.base}/servedSegments</code></td></tr>
+</tbody>
+</table>
+<p>The indexing service also uses its own set of paths. These configs can be included in the common configuration.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.zk.paths.indexer.base</code></td><td>Base zookeeper path for</td><td><code>${druid.zk.paths.base}/indexer</code></td></tr>
+<tr><td><code>druid.zk.paths.indexer.announcementsPath</code></td><td>Middle managers announce themselves here.</td><td><code>${druid.zk.paths.indexer.base}/announcements</code></td></tr>
+<tr><td><code>druid.zk.paths.indexer.tasksPath</code></td><td>Used to assign tasks to MiddleManagers.</td><td><code>${druid.zk.paths.indexer.base}/tasks</code></td></tr>
+<tr><td><code>druid.zk.paths.indexer.statusPath</code></td><td>Parent path for announcement of task statuses.</td><td><code>${druid.zk.paths.indexer.base}/status</code></td></tr>
+</tbody>
+</table>
+<p>If <code>druid.zk.paths.base</code> and <code>druid.zk.paths.indexer.base</code> are both set, and none of the other <code>druid.zk.paths.*</code> or <code>druid.zk.paths.indexer.*</code> values are set, then the other properties will be evaluated relative to their respective <code>base</code>.
+For example, if <code>druid.zk.paths.base</code> is set to <code>/druid1</code> and <code>druid.zk.paths.indexer.base</code> is set to <code>/druid2</code> then <code>druid.zk.paths.announcementsPath</code> will default to <code>/druid1/announcements</code> while <code>druid.zk.paths.indexer.announcementsPath</code> will default to <code>/druid2/announcements</code>.</p>
+<p>The following path is used for service discovery. It is <strong>not</strong> affected by <code>druid.zk.paths.base</code> and <strong>must</strong> be specified separately.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.discovery.curator.path</code></td><td>Services announce themselves under this ZooKeeper path.</td><td><code>/druid/discovery</code></td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="exhibitor"></a><a href="#exhibitor" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
+<p><a href="https://github.com/Netflix/exhibitor/wiki">Exhibitor</a> is a supervisor system for ZooKeeper.
+Exhibitor can dynamically scale-up/down the cluster of ZooKeeper servers.
+Druid can update self-owned list of ZooKeeper servers through Exhibitor without restarting.
+That is, it allows Druid to keep the connections of Exhibitor-supervised ZooKeeper servers.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.exhibitor.service.hosts</code></td><td>A JSON array which contains the hostnames of Exhibitor instances. Please specify this property if you want to use Exhibitor-supervised cluster.</td><td>none</td></tr>
+<tr><td><code>druid.exhibitor.service.port</code></td><td>The REST port used to connect to Exhibitor.</td><td><code>8080</code></td></tr>
+<tr><td><code>druid.exhibitor.service.restUriPath</code></td><td>The path of the REST call used to get the server set.</td><td><code>/exhibitor/v1/cluster/list</code></td></tr>
+<tr><td><code>druid.exhibitor.service.useSsl</code></td><td>Boolean flag for whether or not to use https protocol.</td><td><code>false</code></td></tr>
+<tr><td><code>druid.exhibitor.service.pollingMs</code></td><td>How ofter to poll the exhibitors for the list</td><td><code>10000</code></td></tr>
+</tbody>
+</table>
+<p>Note that <code>druid.zk.service.host</code> is used as a backup in case an Exhibitor instance can't be contacted and therefore should still be set.</p>
+<h3><a class="anchor" aria-hidden="true" id="tls"></a><a href="#tls" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
+<h4><a class="anchor" aria-hidden="true" id="general-configuration"></a><a href="#general-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.enablePlaintextPort</code></td><td>Enable/Disable HTTP connector.</td><td><code>true</code></td></tr>
+<tr><td><code>druid.enableTlsPort</code></td><td>Enable/Disable HTTPS connector.</td><td><code>false</code></td></tr>
+</tbody>
+</table>
+<p>Although not recommended but both HTTP and HTTPS connectors can be enabled at a time and respective ports are configurable using <code>druid.plaintextPort</code>
+and <code>druid.tlsPort</code> properties on each process. Please see <code>Configuration</code> section of individual processes to check the valid and default values for these ports.</p>
+<h4><a class="anchor" aria-hidden="true" id="jetty-server-tls-configuration"></a><a href="#jetty-server-tls-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>Druid uses Jetty as an embedded web server. To get familiar with TLS/SSL in general and related concepts like Certificates etc.
+reading this <a href="http://www.eclipse.org/jetty/documentation/9.4.x/configuring-ssl.html">Jetty documentation</a> might be helpful.
+To get more in depth knowledge of TLS/SSL support in Java in general, please refer to this <a href="http://docs.oracle.com/javase/8/docs/0.16.0-incubating/technotes/guides/security/jsse/JSSERefGuide.html">guide</a>.
+The documentation <a href="http://www.eclipse.org/jetty/documentation/9.4.x/configuring-ssl.html#configuring-sslcontextfactory">here</a>
+can help in understanding TLS/SSL configurations listed below. This <a href="http://docs.oracle.com/javase/8/docs/0.16.0-incubating/technotes/guides/security/StandardNames.html">document</a> lists all the possible
+values for the below mentioned configs among others provided by Java implementation.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.https.keyStorePath</code></td><td>The file path or URL of the TLS/SSL Key store.</td><td>none</td><td>yes</td></tr>
+<tr><td><code>druid.server.https.keyStoreType</code></td><td>The type of the key store.</td><td>none</td><td>yes</td></tr>
+<tr><td><code>druid.server.https.certAlias</code></td><td>Alias of TLS/SSL certificate for the connector.</td><td>none</td><td>yes</td></tr>
+<tr><td><code>druid.server.https.keyStorePassword</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password for the Key Store.</td><td>none</td><td>yes</td></tr>
+</tbody>
+</table>
+<p>Following table contains non-mandatory advanced configuration options, use caution.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.https.keyManagerFactoryAlgorithm</code></td><td>Algorithm to use for creating KeyManager, more details <a href="https://docs.oracle.com/javase/7/docs/0.16.0-incubating/technotes/guides/security/jsse/JSSERefGuide.html#KeyManager">here</a>.</td><td><code>javax.net.ssl.KeyManagerFactory.getDefaultAlgorithm()</code></td><td>no</td></tr>
+<tr><td><code>druid.server.https.keyManagerPassword</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password for the Key Manager.</td><td>none</td><td>no</td></tr>
+<tr><td><code>druid.server.https.includeCipherSuites</code></td><td>List of cipher suite names to include. You can either use the exact cipher suite name or a regular expression.</td><td>Jetty's default include cipher list</td><td>no</td></tr>
+<tr><td><code>druid.server.https.excludeCipherSuites</code></td><td>List of cipher suite names to exclude. You can either use the exact cipher suite name or a regular expression.</td><td>Jetty's default exclude cipher list</td><td>no</td></tr>
+<tr><td><code>druid.server.https.includeProtocols</code></td><td>List of exact protocols names to include.</td><td>Jetty's default include protocol list</td><td>no</td></tr>
+<tr><td><code>druid.server.https.excludeProtocols</code></td><td>List of exact protocols names to exclude.</td><td>Jetty's default exclude protocol list</td><td>no</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="internal-client-tls-configuration-requires-simple-client-sslcontext-extension"></a><a href="#internal-client-tls-configuration-requires-simple-client-sslcontext-extension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.2 [...]
+<p>These properties apply to the SSLContext that will be provided to the internal HTTP client that Druid services use to communicate with each other. These properties require the <code>simple-client-sslcontext</code> extension to be loaded. Without it, Druid services will be unable to communicate with each other when TLS is enabled.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.client.https.protocol</code></td><td>SSL protocol to use.</td><td><code>TLSv1.2</code></td><td>no</td></tr>
+<tr><td><code>druid.client.https.trustStoreType</code></td><td>The type of the key store where trusted root certificates are stored.</td><td><code>java.security.KeyStore.getDefaultType()</code></td><td>no</td></tr>
+<tr><td><code>druid.client.https.trustStorePath</code></td><td>The file path or URL of the TLS/SSL Key store where trusted root certificates are stored.</td><td>none</td><td>yes</td></tr>
+<tr><td><code>druid.client.https.trustStoreAlgorithm</code></td><td>Algorithm to be used by TrustManager to validate certificate chains</td><td><code>javax.net.ssl.TrustManagerFactory.getDefaultAlgorithm()</code></td><td>no</td></tr>
+<tr><td><code>druid.client.https.trustStorePassword</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password for the Trust Store.</td><td>none</td><td>yes</td></tr>
+</tbody>
+</table>
+<p>This <a href="http://docs.oracle.com/javase/8/docs/0.16.0-incubating/technotes/guides/security/StandardNames.html">document</a> lists all the possible
+values for the above mentioned configs among others provided by Java implementation.</p>
+<h3><a class="anchor" aria-hidden="true" id="authentication-and-authorization"></a><a href="#authentication-and-authorization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Type</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.auth.authenticatorChain</code></td><td>JSON List of Strings</td><td>List of Authenticator type names</td><td>["allowAll"]</td><td>no</td></tr>
+<tr><td><code>druid.escalator.type</code></td><td>String</td><td>Type of the Escalator that should be used for internal Druid communications. This Escalator must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>.</td><td>"noop"</td><td>no</td></tr>
+<tr><td><code>druid.auth.authorizers</code></td><td>JSON List of Strings</td><td>List of Authorizer type names</td><td>["allowAll"]</td><td>no</td></tr>
+<tr><td><code>druid.auth.unsecuredPaths</code></td><td>List of Strings</td><td>List of paths for which security checks will not be performed. All requests to these paths will be allowed.</td><td>[]</td><td>no</td></tr>
+<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS pre-flight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information abou [...]
+</tbody>
+</table>
+<p>For more information, please see <a href="/docs/0.16.0-incubating/design/auth.html">Authentication and Authorization</a>.</p>
+<p>For configuration options for specific auth extensions, please refer to the extension documentation.</p>
+<h3><a class="anchor" aria-hidden="true" id="startup-logging"></a><a href="#startup-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>All processes can log debugging information on startup.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.startup.logging.logProperties</code></td><td>Log all properties on startup (from common.runtime.properties, runtime.properties, and the JVM command line).</td><td>false</td></tr>
+<tr><td><code>druid.startup.logging.maskProperties</code></td><td>Masks sensitive properties (passwords, for example) containing theses words.</td><td>["password"]</td></tr>
+</tbody>
+</table>
+<p>Note that some sensitive information may be logged if these settings are enabled.</p>
+<h3><a class="anchor" aria-hidden="true" id="request-logging"></a><a href="#request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>All processes that can serve queries can also log the query requests they see. Broker processes can additionally log the SQL requests (both from HTTP and JDBC) they see.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.type</code></td><td>Choices: noop, file, emitter, slf4j, filtered, composing, switching. How to log every query request.</td><td>[required to configure request logging]</td></tr>
+</tbody>
+</table>
+<p>Note that, you can enable sending all the HTTP requests to log by setting "org.apache.druid.jetty.RequestLog" to DEBUG level. See <a href="/docs/0.16.0-incubating/configuration/logging.html">Logging</a></p>
+<h4><a class="anchor" aria-hidden="true" id="file-request-logging"></a><a href="#file-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Daily request logs are stored on disk.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.dir</code></td><td>Historical, Realtime and Broker processes maintain request logs of all of the requests they get (interacton is via POST, so normal request logs don’t generally capture information about the actual query), this specifies the directory to store the request logs in</td><td>none</td></tr>
+<tr><td><code>druid.request.logging.filePattern</code></td><td><a href="http://www.joda.org/joda-time/apidocs/org/joda/time/format/DateTimeFormat.html">Joda datetime format</a> for each file</td><td>"yyyy-MM-dd'.log'"</td></tr>
+</tbody>
+</table>
+<p>The format of request logs is TSV, one line per requests, with five fields: timestamp, remote_addr, native_query, query_context, sql_query.</p>
+<p>For native JSON request, the <code>sql_query</code> field is empty. Example</p>
+<pre><code class="hljs"><span class="hljs-number">2019</span>-<span class="hljs-number">01</span>-<span class="hljs-number">14</span><span class="hljs-symbol">T10:</span><span class="hljs-number">00</span><span class="hljs-symbol">:</span><span class="hljs-number">00</span>.<span class="hljs-number">000</span>Z <span class="hljs-number">127.0</span>.<span class="hljs-number">0</span>.<span class="hljs-number">1</span> {<span class="hljs-string">"queryType"</span><span class="hlj [...]
+</code></pre>
+<p>For SQL query request, the <code>native_query</code> field is empty. Example</p>
+<pre><code class="hljs"><span class="hljs-number">2019</span><span class="hljs-number">-01</span><span class="hljs-number">-14</span><span class="hljs-string">T10:</span><span class="hljs-number">00</span>:<span class="hljs-number">00.000</span>Z <span class="hljs-number">127.0</span><span class="hljs-number">.0</span><span class="hljs-number">.1</span> {<span class="hljs-string">"sqlQuery/time"</span>:<span class="hljs-number">100</span>,<span class="hljs-string">"sqlQuery/ [...]
+</code></pre>
+<h4><a class="anchor" aria-hidden="true" id="emitter-request-logging"></a><a href="#emitter-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>Every request is emitted to some external location.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.feed</code></td><td>Feed name for requests.</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="slf4j-request-logging"></a><a href="#slf4j-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>Every request is logged via SLF4J. Native queries are serialized into JSON in the log message regardless of the SJF4J format specification. They will be logged under the class <code>org.apache.druid.server.log.LoggingRequestLogger</code>.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.setMDC</code></td><td>If MDC entries should be set in the log entry. Your logging setup still has to be configured to handle MDC to format this data</td><td>false</td></tr>
+<tr><td><code>druid.request.logging.setContextMDC</code></td><td>If the druid query <code>context</code> should be added to the MDC entries. Has no effect unless <code>setMDC</code> is <code>true</code></td><td>false</td></tr>
+</tbody>
+</table>
+<p>For native query, the following MDC fields are populated with <code>setMDC</code>:</p>
+<table>
+<thead>
+<tr><th>MDC field</th><th>Description</th></tr>
+</thead>
+<tbody>
+<tr><td><code>queryId</code></td><td>The query ID</td></tr>
+<tr><td><code>sqlQueryId</code></td><td>The SQL query ID if this query is part of a SQL request</td></tr>
+<tr><td><code>dataSource</code></td><td>The datasource the query was against</td></tr>
+<tr><td><code>queryType</code></td><td>The type of the query</td></tr>
+<tr><td><code>hasFilters</code></td><td>If the query has any filters</td></tr>
+<tr><td><code>remoteAddr</code></td><td>The remote address of the requesting client</td></tr>
+<tr><td><code>duration</code></td><td>The duration of the query interval</td></tr>
+<tr><td><code>resultOrdering</code></td><td>The ordering of results</td></tr>
+<tr><td><code>descending</code></td><td>If the query is a descending query</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="filtered-request-logging"></a><a href="#filtered-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>Filtered Request Logger filters requests based on a configurable query/time threshold (for native query) and sqlQuery/time threshold (for SQL query).
+For native query, only request logs where query/time is above the threshold are emitted. For SQL query, only request logs where sqlQuery/time is above the threshold are emitted.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.queryTimeThresholdMs</code></td><td>Threshold value for query/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
+<tr><td><code>druid.request.logging.sqlQueryTimeThresholdMs</code></td><td>Threshold value for sqlQuery/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
+<tr><td><code>druid.request.logging.mutedQueryTypes</code></td><td>Query requests of these types are not logged. Query types are defined as string objects corresponding to the "queryType" value for the specified query in the Druid's <a href="http://druid.apache.org/docs/0.16.0-incubating/latest/querying/querying.html">native JSON query API</a>. Misspelled query types will be ignored. Example to ignore scan and timeBoundary queries: ["scan", "timeBoundary"]</ [...]
+<tr><td><code>druid.request.logging.delegate.type</code></td><td>Type of delegate request logger to log requests.</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="composite-request-logging"></a><a href="#composite-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
+<p>Composite Request Logger emits request logs to multiple request loggers.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.loggerProviders</code></td><td>List of request loggers for emitting request logs.</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="switching-request-logging"></a><a href="#switching-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
+<p>Switching Request Logger routes native query's request logs to one request logger and SQL query's request logs to another request logger.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.request.logging.nativeQueryLogger</code></td><td>request logger for emitting native query's request logs.</td><td>none</td></tr>
+<tr><td><code>druid.request.logging.sqlQueryLogger</code></td><td>request logger for emitting SQL query's request logs.</td><td>none</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="enabling-metrics"></a><a href="#enabling-metrics" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>Druid processes periodically emit metrics and different metrics monitors can be included. Each process can overwrite the default list of monitors.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.monitoring.emissionPeriod</code></td><td>How often metrics are emitted.</td><td>PT1M</td></tr>
+<tr><td><code>druid.monitoring.monitors</code></td><td>Sets list of Druid monitors used by a process. See below for names and more information. For example, you can specify monitors for a Broker with <code>druid.monitoring.monitors=["org.apache.druid.java.util.metrics.SysMonitor","org.apache.druid.java.util.metrics.JvmMonitor"]</code>.</td><td>none (no monitors)</td></tr>
+</tbody>
+</table>
+<p>The following monitors are available:</p>
+<table>
+<thead>
+<tr><th>Name</th><th>Description</th></tr>
+</thead>
+<tbody>
+<tr><td><code>org.apache.druid.client.cache.CacheMonitor</code></td><td>Emits metrics (to logs) about the segment results cache for Historical and Broker processes. Reports typical cache statistics include hits, misses, rates, and size (bytes and number of entries), as well as timeouts and and errors.</td></tr>
+<tr><td><code>org.apache.druid.java.util.metrics.SysMonitor</code></td><td>This uses the <a href="https://github.com/hyperic/sigar">SIGAR library</a> to report on various system activities and statuses.</td></tr>
+<tr><td><code>org.apache.druid.server.metrics.HistoricalMetricsMonitor</code></td><td>Reports statistics on Historical processes.</td></tr>
+<tr><td><code>org.apache.druid.java.util.metrics.JvmMonitor</code></td><td>Reports various JVM-related statistics.</td></tr>
+<tr><td><code>org.apache.druid.java.util.metrics.JvmCpuMonitor</code></td><td>Reports statistics of CPU consumption by the JVM.</td></tr>
+<tr><td><code>org.apache.druid.java.util.metrics.CpuAcctDeltaMonitor</code></td><td>Reports consumed CPU as per the cpuacct cgroup.</td></tr>
+<tr><td><code>org.apache.druid.java.util.metrics.JvmThreadsMonitor</code></td><td>Reports Thread statistics in the JVM, like numbers of total, daemon, started, died threads.</td></tr>
+<tr><td><code>org.apache.druid.segment.realtime.RealtimeMetricsMonitor</code></td><td>Reports statistics on Realtime processes.</td></tr>
+<tr><td><code>org.apache.druid.server.metrics.EventReceiverFirehoseMonitor</code></td><td>Reports how many events have been queued in the EventReceiverFirehose.</td></tr>
+<tr><td><code>org.apache.druid.server.metrics.QueryCountStatsMonitor</code></td><td>Reports how many queries have been successful/failed/interrupted.</td></tr>
+<tr><td><code>org.apache.druid.server.emitter.HttpEmittingMonitor</code></td><td>Reports internal metrics of <code>http</code> or <code>parametrized</code> emitter (see below). Must not be used with another emitter type. See the description of the metrics here: <a href="https://github.com/apache/incubator-druid/pull/4973">https://github.com/apache/incubator-druid/pull/4973</a>.</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="emitting-metrics"></a><a href="#emitting-metrics" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>The Druid servers <a href="/docs/0.16.0-incubating/operations/metrics.html">emit various metrics</a> and alerts via something we call an Emitter. There are three emitter implementations included with the code, a "noop" emitter (the default if none is specified), one that just logs to log4j ("logging"), and one that does POSTs of JSON events to a server ("http"). The properties for using the logging emitter are described below.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter</code></td><td>Setting this value to "noop", "logging", "http" or "parametrized" will initialize one of the emitter modules. The value "composing" can be used to initialize multiple emitter modules.</td><td>noop</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="logging-emitter-module"></a><a href="#logging-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.logging.loggerClass</code></td><td>Choices: HttpPostEmitter, LoggingEmitter, NoopServiceEmitter, ServiceEmitter. The class used for logging.</td><td>LoggingEmitter</td></tr>
+<tr><td><code>druid.emitter.logging.logLevel</code></td><td>Choices: debug, info, warn, error. The log level at which message are logged.</td><td>info</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="http-emitter-module"></a><a href="#http-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.http.flushMillis</code></td><td>How often the internal message buffer is flushed (data is sent).</td><td>60000</td></tr>
+<tr><td><code>druid.emitter.http.flushCount</code></td><td>How many messages the internal message buffer can hold before flushing (sending).</td><td>500</td></tr>
+<tr><td><code>druid.emitter.http.basicAuthentication</code></td><td>Login and password for authentification in "login:password" form, e. g. <code>druid.emitter.http.basicAuthentication=admin:adminpassword</code></td><td>not specified = no authentification</td></tr>
+<tr><td><code>druid.emitter.http.flushTimeOut</code></td><td>The timeout after which an event should be sent to the endpoint, even if internal buffers are not filled, in milliseconds.</td><td>not specified = no timeout</td></tr>
+<tr><td><code>druid.emitter.http.batchingStrategy</code></td><td>The strategy of how the batch is formatted. "ARRAY" means <code>[event1,event2]</code>, "NEWLINES" means <code>event1\nevent2</code>, ONLY_EVENTS means <code>event1event2</code>.</td><td>ARRAY</td></tr>
+<tr><td><code>druid.emitter.http.maxBatchSize</code></td><td>The maximum batch size, in bytes.</td><td>the minimum of (10% of JVM heap size divided by 2) or (5191680 (i. e. 5 MB))</td></tr>
+<tr><td><code>druid.emitter.http.batchQueueSizeLimit</code></td><td>The maximum number of batches in emitter queue, if there are problems with emitting.</td><td>the maximum of (2) or (10% of the JVM heap size divided by 5MB)</td></tr>
+<tr><td><code>druid.emitter.http.minHttpTimeoutMillis</code></td><td>If the speed of filling batches imposes timeout smaller than that, not even trying to send batch to endpoint, because it will likely fail, not being able to send the data that fast. Configure this depending based on emitter/successfulSending/minTimeMs metric. Reasonable values are 10ms..100ms.</td><td>0</td></tr>
+<tr><td><code>druid.emitter.http.recipientBaseUrl</code></td><td>The base URL to emit messages to. Druid will POST JSON to be consumed at the HTTP endpoint specified by this property.</td><td>none, required config</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="http-emitter-module-tls-overrides"></a><a href="#http-emitter-module-tls-overrides" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<p>When emitting events to a TLS-enabled receiver, the Http Emitter will by default use an SSLContext obtained via the
+process described at <a href="../operations/tls-support.html">Druid's internal communication over TLS</a>, i.e., the same
+SSLContext that would be used for internal communications between Druid processes.</p>
+<p>In some use cases it may be desirable to have the Http Emitter use its own separate truststore configuration. For example, there may be organizational policies that prevent the TLS-enabled metrics receiver's certificate from being added to the same truststore used by Druid's internal HTTP client.</p>
+<p>The following properties allow the Http Emitter to use its own truststore configuration when building its SSLContext.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.http.ssl.useDefaultJavaContext</code></td><td>If set to true, the HttpEmitter will use <code>SSLContext.getDefault()</code>, the default Java SSLContext, and all other properties below are ignored.</td><td>false</td></tr>
+<tr><td><code>druid.emitter.http.ssl.trustStorePath</code></td><td>The file path or URL of the TLS/SSL Key store where trusted root certificates are stored. If this is unspecified, the Http Emitter will use the same SSLContext as Druid's internal HTTP client, as described in the beginning of this section, and all other properties below are ignored.</td><td>null</td></tr>
+<tr><td><code>druid.emitter.http.ssl.trustStoreType</code></td><td>The type of the key store where trusted root certificates are stored.</td><td><code>java.security.KeyStore.getDefaultType()</code></td></tr>
+<tr><td><code>druid.emitter.http.ssl.trustStoreAlgorithm</code></td><td>Algorithm to be used by TrustManager to validate certificate chains</td><td><code>javax.net.ssl.TrustManagerFactory.getDefaultAlgorithm()</code></td></tr>
+<tr><td><code>druid.emitter.http.ssl.trustStorePassword</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password for the Trust Store.</td><td>none</td></tr>
+<tr><td><code>druid.emitter.http.ssl.protocol</code></td><td>TLS protocol to use.</td><td>"TLSv1.2"</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="parametrized-http-emitter-module"></a><a href="#parametrized-http-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p><code>druid.emitter.parametrized.httpEmitting.*</code> configs correspond to the configs of Http Emitter Modules, see above.
+Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.httpEmitting.flushMillis</code>,
+<code>druid.emitter.parametrized.httpEmitting.flushCount</code>, <code>druid.emitter.parametrized.httpEmitting.ssl.trustStorePath</code>, etc.</p>
+<p>The additional configs are:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.parametrized.recipientBaseUrlPattern</code></td><td>The URL pattern to send an event to, based on the event's feed. E. g. <code>http://foo.bar/{feed}</code>, that will send event to <code>http://foo.bar/metrics</code> if the event's feed is "metrics".</td><td>none, required config</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="composing-emitter-module"></a><a href="#composing-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.composing.emitters</code></td><td>List of emitter modules to load e.g. ["logging","http"].</td><td>[]</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="graphite-emitter"></a><a href="#graphite-emitter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>To use graphite as emitter set <code>druid.emitter=graphite</code>. For configuration details please follow this <a href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html">link</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="metadata-storage"></a><a href="#metadata-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>These properties specify the jdbc connection and other configuration around the metadata storage. The only processes that connect to the metadata storage with these properties are the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a>.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.metadata.storage.type</code></td><td>The type of metadata storage to use. Choose from "mysql", "postgresql", or "derby".</td><td>derby</td></tr>
+<tr><td><code>druid.metadata.storage.connector.connectURI</code></td><td>The jdbc uri for the database to connect to</td><td>none</td></tr>
+<tr><td><code>druid.metadata.storage.connector.user</code></td><td>The username to connect with.</td><td>none</td></tr>
+<tr><td><code>druid.metadata.storage.connector.password</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password used to connect with.</td><td>none</td></tr>
+<tr><td><code>druid.metadata.storage.connector.createTables</code></td><td>If Druid requires a table and it doesn't exist, create it?</td><td>true</td></tr>
+<tr><td><code>druid.metadata.storage.tables.base</code></td><td>The base name for tables.</td><td>druid</td></tr>
+<tr><td><code>druid.metadata.storage.tables.dataSource</code></td><td>The table to use to look for dataSources which created by <a href="/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html">Kafka Indexing Service</a>.</td><td>druid_dataSource</td></tr>
+<tr><td><code>druid.metadata.storage.tables.pendingSegments</code></td><td>The table to use to look for pending segments.</td><td>druid_pendingSegments</td></tr>
+<tr><td><code>druid.metadata.storage.tables.segments</code></td><td>The table to use to look for segments.</td><td>druid_segments</td></tr>
+<tr><td><code>druid.metadata.storage.tables.rules</code></td><td>The table to use to look for segment load/drop rules.</td><td>druid_rules</td></tr>
+<tr><td><code>druid.metadata.storage.tables.config</code></td><td>The table to use to look for configs.</td><td>druid_config</td></tr>
+<tr><td><code>druid.metadata.storage.tables.tasks</code></td><td>Used by the indexing service to store tasks.</td><td>druid_tasks</td></tr>
+<tr><td><code>druid.metadata.storage.tables.taskLog</code></td><td>Used by the indexing service to store task logs.</td><td>druid_taskLog</td></tr>
+<tr><td><code>druid.metadata.storage.tables.taskLock</code></td><td>Used by the indexing service to store task locks.</td><td>druid_taskLock</td></tr>
+<tr><td><code>druid.metadata.storage.tables.supervisors</code></td><td>Used by the indexing service to store supervisor configurations.</td><td>druid_supervisors</td></tr>
+<tr><td><code>druid.metadata.storage.tables.audit</code></td><td>The table to use for audit history of configuration changes e.g. Coordinator rules.</td><td>druid_audit</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>The configurations concern how to push and pull <a href="/docs/0.16.0-incubating/design/segments.html">Segments</a> from deep storage.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>Choices:local, noop, s3, hdfs, c*. The type of deep storage to use.</td><td>local</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="local-deep-storage"></a><a href="#local-deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Local deep storage uses the local filesystem.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.storageDirectory</code></td><td>Directory on disk to use as deep storage.</td><td>/tmp/druid/localStorage</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="noop-deep-storage"></a><a href="#noop-deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>This deep storage doesn't do anything. There are no configs.</p>
+<h4><a class="anchor" aria-hidden="true" id="s3-deep-storage"></a><a href="#s3-deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>This deep storage is used to interface with Amazon's S3. Note that the <code>druid-s3-extensions</code> extension must be loaded.
+The below table shows some important configurations for S3. See <a href="/docs/0.16.0-incubating/development/extensions-core/s3.html">S3 Deep Storage</a> for full configurations.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.bucket</code></td><td>S3 bucket name.</td><td>none</td></tr>
+<tr><td><code>druid.storage.baseKey</code></td><td>S3 object key prefix for storage.</td><td>none</td></tr>
+<tr><td><code>druid.storage.disableAcl</code></td><td>Boolean flag for ACL. If this is set to <code>false</code>, the full control would be granted to the bucket owner. This may require to set additional permissions. See <a href="../development/extensions-core/s3.html#s3-permissions-settings">S3 permissions settings</a>.</td><td>false</td></tr>
+<tr><td><code>druid.storage.archiveBucket</code></td><td>S3 bucket name for archiving when running the <em>archive task</em>.</td><td>none</td></tr>
+<tr><td><code>druid.storage.archiveBaseKey</code></td><td>S3 object key prefix for archiving.</td><td>none</td></tr>
+<tr><td><code>druid.storage.sse.type</code></td><td>Server-side encryption type. Should be one of <code>s3</code>, <code>kms</code>, and <code>custom</code>. See the below <a href="../development/extensions-core/s3.html#server-side-encryption">Server-side encryption section</a> for more details.</td><td>None</td></tr>
+<tr><td><code>druid.storage.sse.kms.keyId</code></td><td>AWS KMS key ID. This is used only when <code>druid.storage.sse.type</code> is <code>kms</code> and can be empty to use the default key ID.</td><td>None</td></tr>
+<tr><td><code>druid.storage.sse.custom.base64EncodedKey</code></td><td>Base64-encoded key. Should be specified if <code>druid.storage.sse.type</code> is <code>custom</code>.</td><td>None</td></tr>
+<tr><td><code>druid.storage.useS3aSchema</code></td><td>If true, use the "s3a" filesystem when using Hadoop-based ingestion. If false, the "s3n" filesystem will be used. Only affects Hadoop-based ingestion.</td><td>false</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="hdfs-deep-storage"></a><a href="#hdfs-deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>This deep storage is used to interface with HDFS. Note that the <code>druid-hdfs-storage</code> extension must be loaded.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.storageDirectory</code></td><td>HDFS directory to use as deep storage.</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="cassandra-deep-storage"></a><a href="#cassandra-deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>This deep storage is used to interface with Cassandra. Note that the <code>druid-cassandra-storage</code> extension must be loaded.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.host</code></td><td>Cassandra host.</td><td>none</td></tr>
+<tr><td><code>druid.storage.keyspace</code></td><td>Cassandra key space.</td><td>none</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="task-logging"></a><a href="#task-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>If you are running the indexing service in remote mode, the task logs must be stored in S3, Azure Blob Store, Google Cloud Storage or HDFS.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.type</code></td><td>Choices:noop, s3, azure, google, hdfs, file. Where to store task logs</td><td>file</td></tr>
+</tbody>
+</table>
+<p>You can also configure the Overlord to automatically retain the task logs in log directory and entries in task-related metadata storage tables only for last x milliseconds by configuring following additional properties.
+Caution: Automatic log file deletion typically works based on log file modification timestamp on the backing store, so large clock skews between druid processes and backing store nodes might result in un-intended behavior.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.kill.enabled</code></td><td>Boolean value for whether to enable deletion of old task logs. If set to true, Overlord will submit kill tasks periodically based on <code>druid.indexer.logs.kill.delay</code> specified, which will delete task logs from the log directory as well as tasks and tasklogs table entries in metadata storage except for tasks created in the last <code>druid.indexer.logs.kill.durationToRetain</code> period.</td><td>false</td></tr>
+<tr><td><code>druid.indexer.logs.kill.durationToRetain</code></td><td>Required if kill is enabled. In milliseconds, task logs and entries in task-related metadata storage tables to be retained created in last x milliseconds.</td><td>None</td></tr>
+<tr><td><code>druid.indexer.logs.kill.initialDelay</code></td><td>Optional. Number of milliseconds after Overlord start when first auto kill is run.</td><td>random value less than 300000 (5 mins)</td></tr>
+<tr><td><code>druid.indexer.logs.kill.delay</code></td><td>Optional. Number of milliseconds of delay between successive executions of auto kill run.</td><td>21600000 (6 hours)</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="file-task-logs"></a><a href="#file-task-logs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>Store task logs in the local filesystem.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.directory</code></td><td>Local filesystem path.</td><td>log</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="s3-task-logs"></a><a href="#s3-task-logs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Store task logs in S3. Note that the <code>druid-s3-extensions</code> extension must be loaded.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.s3Bucket</code></td><td>S3 bucket name.</td><td>none</td></tr>
+<tr><td><code>druid.indexer.logs.s3Prefix</code></td><td>S3 key prefix.</td><td>none</td></tr>
+<tr><td><code>druid.indexer.logs.disableAcl</code></td><td>Boolean flag for ACL. If this is set to <code>false</code>, the full control would be granted to the bucket owner. If the task logs bucket is the same as the deep storage (S3) bucket, then the value of this property will need to be set to true if druid.storage.disableAcl has been set to true.</td><td>false</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="azure-blob-store-task-logs"></a><a href="#azure-blob-store-task-logs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>Store task logs in Azure Blob Store.</p>
+<p>Note: The <code>druid-azure-extensions</code> extension must be loaded, and this uses the same storage account as the deep storage module for azure.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.container</code></td><td>The Azure Blob Store container to write logs to</td><td>none</td></tr>
+<tr><td><code>druid.indexer.logs.prefix</code></td><td>The path to prepend to logs</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="google-cloud-storage-task-logs"></a><a href="#google-cloud-storage-task-logs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>Store task logs in Google Cloud Storage.</p>
+<p>Note: The <code>druid-google-extensions</code> extension must be loaded, and this uses the same storage settings as the deep storage module for google.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.bucket</code></td><td>The Google Cloud Storage bucket to write logs to</td><td>none</td></tr>
+<tr><td><code>druid.indexer.logs.prefix</code></td><td>The path to prepend to logs</td><td>none</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="hdfs-task-logs"></a><a href="#hdfs-task-logs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>Store task logs in HDFS. Note that the <code>druid-hdfs-storage</code> extension must be loaded.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.logs.directory</code></td><td>The directory to store logs.</td><td>none</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="overlord-discovery"></a><a href="#overlord-discovery" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>This config is used to find the <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a> using Curator service discovery. Only required if you are actually running an Overlord.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.selectors.indexing.serviceName</code></td><td>The druid.service name of the Overlord process. To start the Overlord with a different name, set it with this property.</td><td>druid/overlord</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="coordinator-discovery"></a><a href="#coordinator-discovery" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>This config is used to find the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> using Curator service discovery. This config is used by the realtime indexing processes to get information about the segments loaded in the cluster.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.selectors.coordinator.serviceName</code></td><td>The druid.service name of the Coordinator process. To start the Coordinator with a different name, set it with this property.</td><td>druid/coordinator</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="announcing-segments"></a><a href="#announcing-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>You can configure how to announce and unannounce Znodes in ZooKeeper (using Curator). For normal operations you do not need to override any of these configs.</p>
+<h5><a class="anchor" aria-hidden="true" id="batch-data-segment-announcer"></a><a href="#batch-data-segment-announcer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<p>In current Druid, multiple data segments may be announced under the same Znode.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.announcer.segmentsPerNode</code></td><td>Each Znode contains info for up to this many segments.</td><td>50</td></tr>
+<tr><td><code>druid.announcer.maxBytesPerNode</code></td><td>Max byte size for Znode.</td><td>524288</td></tr>
+<tr><td><code>druid.announcer.skipDimensionsAndMetrics</code></td><td>Skip Dimensions and Metrics list from segment announcements. NOTE: Enabling this will also remove the dimensions and metrics list from Coordinator and Broker endpoints.</td><td>false</td></tr>
+<tr><td><code>druid.announcer.skipLoadSpec</code></td><td>Skip segment LoadSpec from segment announcements. NOTE: Enabling this will also remove the loadspec from Coordinator and Broker endpoints.</td><td>false</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>Druid supports dynamic runtime extension through JavaScript functions. This functionality can be configured through
+the following properties.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.javascript.enabled</code></td><td>Set to "true" to enable JavaScript functionality. This affects the JavaScript parser, filter, extractionFn, aggregator, post-aggregator, router strategy, and worker selection strategy.</td><td>false</td></tr>
+</tbody>
+</table>
+<blockquote>
+<p>JavaScript-based functionality is disabled by default. Please refer to the Druid <a href="/docs/0.16.0-incubating/development/javascript.html">JavaScript programming guide</a> for guidelines about using Druid's JavaScript functionality, including instructions on how to enable it.</p>
+</blockquote>
+<h3><a class="anchor" aria-hidden="true" id="double-column-storage"></a><a href="#double-column-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>Prior to version 0.13.0 Druid's storage layer used a 32-bit float representation to store columns created by the
+doubleSum, doubleMin, and doubleMax aggregators at indexing time.
+Starting from version 0.13.0 the default will be 64-bit floats for Double columns.
+Using 64-bit representation for double column will lead to avoid precesion loss at the cost of doubling the storage size of such columns.
+To keep the old format set the system-wide property <code>druid.indexing.doubleStorage=float</code>.
+You can also use floatSum, floatMin and floatMax to use 32-bit float representation.
+Support for 64-bit floating point columns was released in Druid 0.11.0, so if you use this feature then older versions of Druid will not be able to read your data segments.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexing.doubleStorage</code></td><td>Set to "float" to use 32-bit double representation for double columns.</td><td>double</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="master-server"></a><a href="#master-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>This section contains the configuration options for the processes that reside on Master servers (Coordinators and Overlords) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="coordinator"></a><a href="#coordinator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>For general Coordinator Process information, see <a href="/docs/0.16.0-incubating/design/coordinator.html">here</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="static-configuration"></a><a href="#static-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>These Coordinator static configurations can be defined in the <code>coordinator/runtime.properties</code> file.</p>
+<h5><a class="anchor" aria-hidden="true" id="coordinator-process-config"></a><a href="#coordinator-process-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8081</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8281</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/coordinator</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="coordinator-operation"></a><a href="#coordinator-operation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.coordinator.period</code></td><td>The run period for the Coordinator. The Coordinator’s operates by maintaining the current state of the world in memory and periodically looking at the set of segments available and segments being served to make decisions about whether any changes need to be made to the data topology. This property sets the delay between each of these runs.</td><td>PT60S</td></tr>
+<tr><td><code>druid.coordinator.period.indexingPeriod</code></td><td>How often to send compact/merge/conversion tasks to the indexing service. It's recommended to be longer than <code>druid.manager.segments.pollDuration</code></td><td>PT1800S (30 mins)</td></tr>
+<tr><td><code>druid.coordinator.startDelay</code></td><td>The operation of the Coordinator works on the assumption that it has an up-to-date view of the state of the world when it runs, the current ZK interaction code, however, is written in a way that doesn’t allow the Coordinator to know for a fact that it’s done loading the current state of the world. This delay is a hack to give it enough time to believe that it has all the data.</td><td>PT300S</td></tr>
+<tr><td><code>druid.coordinator.load.timeout</code></td><td>The timeout duration for when the Coordinator assigns a segment to a Historical process.</td><td>PT15M</td></tr>
+<tr><td><code>druid.coordinator.kill.pendingSegments.on</code></td><td>Boolean flag for whether or not the Coordinator clean up old entries in the <code>pendingSegments</code> table of metadata store. If set to true, Coordinator will check the created time of most recently complete task. If it doesn't exist, it finds the created time of the earlist running/pending/waiting tasks. Once the created time is found, then for all dataSources not in the <code>killPendingSegmentsSkipList</code> ( [...]
+<tr><td><code>druid.coordinator.kill.on</code></td><td>Boolean flag for whether or not the Coordinator should submit kill task for unused segments, that is, hard delete them from metadata store and deep storage. If set to true, then for all whitelisted dataSources (or optionally all), Coordinator will submit tasks periodically based on <code>period</code> specified. These kill tasks will delete all segments except for the last <code>durationToRetain</code> period. Whitelist or All can be [...]
+<tr><td><code>druid.coordinator.kill.period</code></td><td>How often to send kill tasks to the indexing service. Value must be greater than <code>druid.coordinator.period.indexingPeriod</code>. Only applies if kill is turned on.</td><td>P1D (1 Day)</td></tr>
+<tr><td><code>druid.coordinator.kill.durationToRetain</code></td><td>Do not kill segments in last <code>durationToRetain</code>, must be greater or equal to 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>PT-1S (-1 seconds)</td></tr>
+<tr><td><code>druid.coordinator.kill.maxSegments</code></td><td>Kill at most n segments per kill task submission, must be greater than 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>0</td></tr>
+<tr><td><code>druid.coordinator.balancer.strategy</code></td><td>Specify the type of balancing strategy that the coordinator should use to distribute segments among the historicals. <code>cachingCost</code> is logically equivalent to <code>cost</code> but is more CPU-efficient on large clusters and will replace <code>cost</code> in the future versions, users are invited to try it. Use <code>diskNormalized</code> to distribute segments among processes so that the disks fill up uniformly a [...]
+<tr><td><code>druid.coordinator.balancer.cachingCost.awaitInitialization</code></td><td>Whether to wait for segment view initialization before creating the <code>cachingCost</code> balancing strategy. This property is enabled only when <code>druid.coordinator.balancer.strategy</code> is <code>cachingCost</code>. If set to 'true', the Coordinator will not start to assign segments, until the segment view is initialized. If set to 'false', the Coordinator will fallback to use the <code>cost [...]
+<tr><td><code>druid.coordinator.loadqueuepeon.repeatDelay</code></td><td>The start and repeat delay for the loadqueuepeon , which manages the load and drop of segments.</td><td>PT0.050S (50 ms)</td></tr>
+<tr><td><code>druid.coordinator.asOverlord.enabled</code></td><td>Boolean value for whether this Coordinator process should act like an Overlord as well. This configuration allows users to simplify a druid cluster by not having to deploy any standalone Overlord processes. If set to true, then Overlord console is available at <code>http://coordinator-host:port/console.html</code> and be sure to set <code>druid.coordinator.asOverlord.overlordService</code> also. See next.</td><td>false</td></tr>
+<tr><td><code>druid.coordinator.asOverlord.overlordService</code></td><td>Required, if <code>druid.coordinator.asOverlord.enabled</code> is <code>true</code>. This must be same value as <code>druid.service</code> on standalone Overlord processes and <code>druid.selectors.indexing.serviceName</code> on Middle Managers.</td><td>NULL</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="segment-management"></a><a href="#segment-management" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
+<tr><td><code>druid.coordinator.loadqueuepeon.type</code></td><td>curator or http</td><td>Whether to use "http" or "curator" implementation to assign segment loads/drops to historical</td><td>curator</td></tr>
+<tr><td><code>druid.coordinator.segment.awaitInitializationOnStart</code></td><td>true or false</td><td>Whether the the Coordinator will wait for its view of segments to fully initialize before starting up. If set to 'true', the Coordinator's HTTP server will not start up, and the Coordinator will not announce itself as available, until the server view is initialized.</td><td>true</td></tr>
+</tbody>
+</table>
+<h6><a class="anchor" aria-hidden="true" id="additional-config-when-http-loadqueuepeon-is-used"></a><a href="#additional-config-when-http-loadqueuepeon-is-used" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.coordinator.loadqueuepeon.http.batchSize</code></td><td>Number of segment load/drop requests to batch in one HTTP request. Note that it must be smaller than <code>druid.segmentCache.numLoadingThreads</code> config on Historical process.</td><td>1</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="metadata-retrieval"></a><a href="#metadata-retrieval" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.manager.config.pollDuration</code></td><td>How often the manager polls the config table for updates.</td><td>PT1M</td></tr>
+<tr><td><code>druid.manager.segments.pollDuration</code></td><td>The duration between polls the Coordinator does for updates to the set of active segments. Generally defines the amount of lag time it can take for the Coordinator to notice new segments.</td><td>PT1M</td></tr>
+<tr><td><code>druid.manager.rules.pollDuration</code></td><td>The duration between polls the Coordinator does for updates to the set of active rules. Generally defines the amount of lag time it can take for the Coordinator to notice rules.</td><td>PT1M</td></tr>
+<tr><td><code>druid.manager.rules.defaultTier</code></td><td>The default tier from which default rules will be loaded from.</td><td>_default</td></tr>
+<tr><td><code>druid.manager.rules.alertThreshold</code></td><td>The duration after a failed poll upon which an alert should be emitted.</td><td>PT10M</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="dynamic-configuration"></a><a href="#dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>The Coordinator has dynamic configuration to change certain behaviour on the fly. The Coordinator uses a JSON spec object from the Druid <a href="/docs/0.16.0-incubating/dependencies/metadata-storage.html">metadata storage</a> config table. This object is detailed below:</p>
+<p>It is recommended that you use the Coordinator Console to configure these parameters. However, if you need to do it via HTTP, the JSON object can be submitted to the Coordinator via a POST request at:</p>
+<pre><code class="hljs">http:<span class="hljs-regexp">//</span><COORDINATOR_IP>:<PORT><span class="hljs-regexp">/druid/</span>coordinator<span class="hljs-regexp">/v1/</span>config
+</code></pre>
+<p>Optional Header Parameters for auditing the config change can also be specified.</p>
+<table>
+<thead>
+<tr><th>Header Param Name</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>X-Druid-Author</code></td><td>author making the config change</td><td>""</td></tr>
+<tr><td><code>X-Druid-Comment</code></td><td>comment describing the change being done</td><td>""</td></tr>
+</tbody>
+</table>
+<p>A sample Coordinator dynamic config JSON object is shown below:</p>
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"millisToWaitBeforeDeleting"</span>: <span class="hljs-number">900000</span>,
+ <span class="hljs-attr">"mergeBytesLimit"</span>: <span class="hljs-number">100000000</span>,
+ <span class="hljs-attr">"mergeSegmentsLimit"</span> : <span class="hljs-number">1000</span>,
+ <span class="hljs-attr">"maxSegmentsToMove"</span>: <span class="hljs-number">5</span>,
+ <span class="hljs-attr">"replicantLifetime"</span>: <span class="hljs-number">15</span>,
+ <span class="hljs-attr">"replicationThrottleLimit"</span>: <span class="hljs-number">10</span>,
+ <span class="hljs-attr">"emitBalancingStats"</span>: <span class="hljs-literal">false</span>,
+ <span class="hljs-attr">"killDataSourceWhitelist"</span>: [<span class="hljs-string">"wikipedia"</span>, <span class="hljs-string">"testDatasource"</span>],
+ <span class="hljs-attr">"decommissioningNodes"</span>: [<span class="hljs-string">"localhost:8182"</span>, <span class="hljs-string">"localhost:8282"</span>],
+ <span class="hljs-attr">"decommissioningMaxPercentOfMaxSegmentsToMove"</span>: <span class="hljs-number">70</span>
+}
+</code></pre>
+<p>Issuing a GET request at the same URL will return the spec that is currently in place. A description of the config setup spec is shown below.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>millisToWaitBeforeDeleting</code></td><td>How long does the Coordinator need to be active before it can start removing (marking unused) segments in metadata storage.</td><td>900000 (15 mins)</td></tr>
+<tr><td><code>mergeBytesLimit</code></td><td>The maximum total uncompressed size in bytes of segments to merge.</td><td>524288000L</td></tr>
+<tr><td><code>mergeSegmentsLimit</code></td><td>The maximum number of segments that can be in a single <a href="/docs/0.16.0-incubating/ingestion/tasks.html">append task</a>.</td><td>100</td></tr>
+<tr><td><code>maxSegmentsToMove</code></td><td>The maximum number of segments that can be moved at any given time.</td><td>5</td></tr>
+<tr><td><code>replicantLifetime</code></td><td>The maximum number of Coordinator runs for a segment to be replicated before we start alerting.</td><td>15</td></tr>
+<tr><td><code>replicationThrottleLimit</code></td><td>The maximum number of segments that can be replicated at one time.</td><td>10</td></tr>
+<tr><td><code>balancerComputeThreads</code></td><td>Thread pool size for computing moving cost of segments in segment balancing. Consider increasing this if you have a lot of segments and moving segments starts to get stuck.</td><td>1</td></tr>
+<tr><td><code>emitBalancingStats</code></td><td>Boolean flag for whether or not we should emit balancing stats. This is an expensive operation.</td><td>false</td></tr>
+<tr><td><code>killDataSourceWhitelist</code></td><td>List of dataSources for which kill tasks are sent if property <code>druid.coordinator.kill.on</code> is true. This can be a list of comma-separated dataSources or a JSON array.</td><td>none</td></tr>
+<tr><td><code>killAllDataSources</code></td><td>Send kill tasks for ALL dataSources if property <code>druid.coordinator.kill.on</code> is true. If this is set to true then <code>killDataSourceWhitelist</code> must not be specified or be empty list.</td><td>false</td></tr>
+<tr><td><code>killPendingSegmentsSkipList</code></td><td>List of dataSources for which pendingSegments are <em>NOT</em> cleaned up if property <code>druid.coordinator.kill.pendingSegments.on</code> is true. This can be a list of comma-separated dataSources or a JSON array.</td><td>none</td></tr>
+<tr><td><code>maxSegmentsInNodeLoadingQueue</code></td><td>The maximum number of segments that could be queued for loading to any given server. This parameter could be used to speed up segments loading process, especially if there are "slow" nodes in the cluster (with low loading speed) or if too much segments scheduled to be replicated to some particular node (faster loading could be preferred to better segments distribution). Desired value depends on segments loading speed, a [...]
+<tr><td><code>decommissioningNodes</code></td><td>List of historical servers to 'decommission'. Coordinator will not assign new segments to 'decommissioning' servers, and segments will be moved away from them to be placed on non-decommissioning servers at the maximum rate specified by <code>decommissioningMaxPercentOfMaxSegmentsToMove</code>.</td><td>none</td></tr>
+<tr><td><code>decommissioningMaxPercentOfMaxSegmentsToMove</code></td><td>The maximum number of segments that may be moved away from 'decommissioning' servers to non-decommissioning (that is, active) servers during one Coordinator run. This value is relative to the total maximum segment movements allowed during one run which is determined by <code>maxSegmentsToMove</code>. If <code>decommissioningMaxPercentOfMaxSegmentsToMove</code> is 0, segments will neither be moved from <em>or to</em [...]
+</tbody>
+</table>
+<p>To view the audit history of Coordinator dynamic config issue a GET request to the URL -</p>
+<pre><code class="hljs">http://<span class="hljs-symbol"><COORDINATOR_IP></span>:<span class="hljs-symbol"><PORT></span>/druid/coordinator/v1/config/<span class="hljs-keyword">history</span>?interval=<span class="hljs-symbol"><interval></span>
+</code></pre>
+<p>default value of interval can be specified by setting <code>druid.audit.manager.auditHistoryMillis</code> (1 week if not configured) in Coordinator runtime.properties</p>
+<p>To view last <n> entries of the audit history of Coordinator dynamic config issue a GET request to the URL -</p>
+<pre><code class="hljs">http://<span class="hljs-symbol"><COORDINATOR_IP></span>:<span class="hljs-symbol"><PORT></span>/druid/coordinator/v1/config/<span class="hljs-keyword">history</span>?<span class="hljs-built_in">count</span>=<span class="hljs-symbol"><n></span>
+</code></pre>
+<h5><a class="anchor" aria-hidden="true" id="lookups-dynamic-configuration"></a><a href="#lookups-dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>These configuration options control the behavior of the Lookup dynamic configuration described in the <a href="/docs/0.16.0-incubating/querying/lookups.html">lookups page</a></p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.manager.lookups.hostDeleteTimeout</code></td><td>How long to wait for a <code>DELETE</code> request to a particular process before considering the <code>DELETE</code> a failure</td><td>PT1S</td></tr>
+<tr><td><code>druid.manager.lookups.hostUpdateTimeout</code></td><td>How long to wait for a <code>POST</code> request to a particular process before considering the <code>POST</code> a failure</td><td>PT10S</td></tr>
+<tr><td><code>druid.manager.lookups.deleteAllTimeout</code></td><td>How long to wait for all <code>DELETE</code> requests to finish before considering the delete attempt a failure</td><td>PT10S</td></tr>
+<tr><td><code>druid.manager.lookups.updateAllTimeout</code></td><td>How long to wait for all <code>POST</code> requests to finish before considering the attempt a failure</td><td>PT60S</td></tr>
+<tr><td><code>druid.manager.lookups.threadPoolSize</code></td><td>How many processes can be managed concurrently (concurrent POST and DELETE requests). Requests this limit will wait in a queue until a slot becomes available.</td><td>10</td></tr>
+<tr><td><code>druid.manager.lookups.period</code></td><td>How many milliseconds between checks for configuration changes</td><td>30_000</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="compaction-dynamic-configuration"></a><a href="#compaction-dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>Compaction configurations can also be set or updated dynamically using
+<a href="../operations/api-reference.html#compaction-configuration">Coordinator's API</a> without restarting Coordinators.</p>
+<p>For details about segment compaction, please check <a href="/docs/0.16.0-incubating/operations/segment-optimization.html">Segment Size Optimization</a>.</p>
+<p>A description of the compaction config is:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>dataSource</code></td><td>dataSource name to be compacted.</td><td>yes</td></tr>
+<tr><td><code>taskPriority</code></td><td><a href="../ingestion/tasks.html#priority">Priority</a> of compaction task.</td><td>no (default = 25)</td></tr>
+<tr><td><code>inputSegmentSizeBytes</code></td><td>Maximum number of total segment bytes processed per compaction task. Since a time chunk must be processed in its entirety, if the segments for a particular time chunk have a total size in bytes greater than this parameter, compaction will not run for that time chunk. Because each compaction task runs with a single thread, setting this value too far above 1–2GB will result in compaction tasks taking an excessive amount of time.</td><td>no [...]
+<tr><td><code>targetCompactionSizeBytes</code></td><td>The target segment size, for each segment, after compaction. The actual sizes of compacted segments might be slightly larger or smaller than this value. Each compaction task may generate more than one output segment, and it will try to keep each output segment close to this configured size. This configuration cannot be used together with <code>maxRowsPerSegment</code>.</td><td>no (default = 419430400)</td></tr>
+<tr><td><code>maxRowsPerSegment</code></td><td>Max number of rows per segment after compaction. This configuration cannot be used together with <code>targetCompactionSizeBytes</code>.</td><td>no</td></tr>
+<tr><td><code>maxNumSegmentsToCompact</code></td><td>Maximum number of segments to compact together per compaction task. Since a time chunk must be processed in its entirety, if a time chunk has a total number of segments greater than this parameter, compaction will not run for that time chunk.</td><td>no (default = 150)</td></tr>
+<tr><td><code>skipOffsetFromLatest</code></td><td>The offset for searching segments to be compacted. Strongly recommended to set for realtime dataSources.</td><td>no (default = "P1D")</td></tr>
+<tr><td><code>tuningConfig</code></td><td>Tuning config for compaction tasks. See below <a href="#compaction-tuningconfig">Compaction Task TuningConfig</a>.</td><td>no</td></tr>
+<tr><td><code>taskContext</code></td><td><a href="../ingestion/tasks.html#context">Task context</a> for compaction tasks.</td><td>no</td></tr>
+</tbody>
+</table>
+<p>An example of compaction config is:</p>
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"wikiticker"</span>
+}
+</code></pre>
+<p>Note that compaction tasks can fail if their locks are revoked by other tasks of higher priorities.
+Since realtime tasks have a higher priority than compaction task by default,
+it can be problematic if there are frequent conflicts between compaction tasks and realtime tasks.
+If this is the case, the coordinator's automatic compaction might get stuck because of frequent compaction task failures.
+This kind of problem may happen especially in Kafka/Kinesis indexing systems which allow late data arrival.
+If you see this problem, it's recommended to set <code>skipOffsetFromLatest</code> to some large enough value to avoid such conflicts between compaction tasks and realtime tasks.</p>
+<h6><a class="anchor" aria-hidden="true" id="compaction-tuningconfig"></a><a href="#compaction-tuningconfig" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>maxRowsInMemory</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">tuningConfig for indexTask</a></td><td>no (default = 1000000)</td></tr>
+<tr><td><code>maxBytesInMemory</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">tuningConfig for indexTask</a></td><td>no (1/6 of max JVM memory)</td></tr>
+<tr><td><code>maxTotalRows</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">tuningConfig for indexTask</a></td><td>no (default = 20000000)</td></tr>
+<tr><td><code>indexSpec</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/index.html#indexspec">IndexSpec</a></td><td>no</td></tr>
+<tr><td><code>maxPendingPersists</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">tuningConfig for indexTask</a></td><td>no (default = 0 (meaning one persist can be running concurrently with ingestion, and none can be queued up))</td></tr>
+<tr><td><code>pushTimeout</code></td><td>See <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">tuningConfig for indexTask</a></td><td>no (default = 0)</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="overlord"></a><a href="#overlord" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>For general Overlord Process information, see <a href="/docs/0.16.0-incubating/design/overlord.html">here</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="overlord-static-configuration"></a><a href="#overlord-static-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>These Overlord static configurations can be defined in the <code>overlord/runtime.properties</code> file.</p>
+<h5><a class="anchor" aria-hidden="true" id="overlord-process-configs"></a><a href="#overlord-process-configs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8090</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8290</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/overlord</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="overlord-operations"></a><a href="#overlord-operations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.runner.type</code></td><td>Choices "local" or "remote". Indicates whether tasks should be run locally or in a distributed environment. Experimental task runner "httpRemote" is also available which is same as "remote" but uses HTTP to interact with Middle Manaters instead of Zookeeper.</td><td>local</td></tr>
+<tr><td><code>druid.indexer.storage.type</code></td><td>Choices are "local" or "metadata". Indicates whether incoming tasks should be stored locally (in heap) or in metadata storage. Storing incoming tasks in metadata storage allows for tasks to be resumed if the Overlord should fail.</td><td>local</td></tr>
+<tr><td><code>druid.indexer.storage.recentlyFinishedThreshold</code></td><td>A duration of time to store task results.</td><td>PT24H</td></tr>
+<tr><td><code>druid.indexer.tasklock.forceTimeChunkLock</code></td><td><em><strong>Setting this to false is still experimental</strong></em><br/> If set, all tasks are enforced to use time chunk lock. If not set, each task automatically chooses a lock type to use. This configuration can be overwritten by setting <code>forceTimeChunkLock</code> in the <a href="/docs/0.16.0-incubating/ingestion/tasks.html#context">task context</a>. See <a href="/docs/0.16.0-incubating/ingestion/tasks.html# [...]
+<tr><td><code>druid.indexer.queue.maxSize</code></td><td>Maximum number of active tasks at one time.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.indexer.queue.startDelay</code></td><td>Sleep this long before starting Overlord queue management. This can be useful to give a cluster time to re-orient itself after e.g. a widespread network issue.</td><td>PT1M</td></tr>
+<tr><td><code>druid.indexer.queue.restartDelay</code></td><td>Sleep this long when Overlord queue management throws an exception before trying again.</td><td>PT30S</td></tr>
+<tr><td><code>druid.indexer.queue.storageSyncRate</code></td><td>Sync Overlord state this often with an underlying task persistence mechanism.</td><td>PT1M</td></tr>
+</tbody>
+</table>
+<p>The following configs only apply if the Overlord is running in remote mode. For a description of local vs. remote mode, please see (../design/overlord.html).</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.runner.taskAssignmentTimeout</code></td><td>How long to wait after a task as been assigned to a MiddleManager before throwing an error.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.runner.minWorkerVersion</code></td><td>The minimum MiddleManager version to send tasks to.</td><td>"0"</td></tr>
+<tr><td><code>druid.indexer.runner.compressZnodes</code></td><td>Indicates whether or not the Overlord should expect MiddleManagers to compress Znodes.</td><td>true</td></tr>
+<tr><td><code>druid.indexer.runner.maxZnodeBytes</code></td><td>The maximum size Znode in bytes that can be created in Zookeeper.</td><td>524288</td></tr>
+<tr><td><code>druid.indexer.runner.taskCleanupTimeout</code></td><td>How long to wait before failing a task after a MiddleManager is disconnected from Zookeeper.</td><td>PT15M</td></tr>
+<tr><td><code>druid.indexer.runner.taskShutdownLinkTimeout</code></td><td>How long to wait on a shutdown request to a MiddleManager before timing out</td><td>PT1M</td></tr>
+<tr><td><code>druid.indexer.runner.pendingTasksRunnerNumThreads</code></td><td>Number of threads to allocate pending-tasks to workers, must be at least 1.</td><td>1</td></tr>
+<tr><td><code>druid.indexer.runner.maxRetriesBeforeBlacklist</code></td><td>Number of consecutive times the MiddleManager can fail tasks, before the worker is blacklisted, must be at least 1</td><td>5</td></tr>
+<tr><td><code>druid.indexer.runner.workerBlackListBackoffTime</code></td><td>How long to wait before a task is whitelisted again. This value should be greater that the value set for taskBlackListCleanupPeriod.</td><td>PT15M</td></tr>
+<tr><td><code>druid.indexer.runner.workerBlackListCleanupPeriod</code></td><td>A duration after which the cleanup thread will startup to clean blacklisted workers.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.runner.maxPercentageBlacklistWorkers</code></td><td>The maximum percentage of workers to blacklist, this must be between 0 and 100.</td><td>20</td></tr>
+</tbody>
+</table>
+<p>There are additional configs for autoscaling (if it is enabled):</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.autoscale.strategy</code></td><td>Choices are "noop" or "ec2". Sets the strategy to run when autoscaling is required.</td><td>noop</td></tr>
+<tr><td><code>druid.indexer.autoscale.doAutoscale</code></td><td>If set to "true" autoscaling will be enabled.</td><td>false</td></tr>
+<tr><td><code>druid.indexer.autoscale.provisionPeriod</code></td><td>How often to check whether or not new MiddleManagers should be added.</td><td>PT1M</td></tr>
+<tr><td><code>druid.indexer.autoscale.terminatePeriod</code></td><td>How often to check when MiddleManagers should be removed.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.autoscale.originTime</code></td><td>The starting reference timestamp that the terminate period increments upon.</td><td>2012-01-01T00:55:00.000Z</td></tr>
+<tr><td><code>druid.indexer.autoscale.workerIdleTimeout</code></td><td>How long can a worker be idle (not a run task) before it can be considered for termination.</td><td>PT90M</td></tr>
+<tr><td><code>druid.indexer.autoscale.maxScalingDuration</code></td><td>How long the Overlord will wait around for a MiddleManager to show up before giving up.</td><td>PT15M</td></tr>
+<tr><td><code>druid.indexer.autoscale.numEventsToTrack</code></td><td>The number of autoscaling related events (node creation and termination) to track.</td><td>10</td></tr>
+<tr><td><code>druid.indexer.autoscale.pendingTaskTimeout</code></td><td>How long a task can be in "pending" state before the Overlord tries to scale up.</td><td>PT30S</td></tr>
+<tr><td><code>druid.indexer.autoscale.workerVersion</code></td><td>If set, will only create nodes of set version during autoscaling. Overrides dynamic configuration.</td><td>null</td></tr>
+<tr><td><code>druid.indexer.autoscale.workerPort</code></td><td>The port that MiddleManagers will run on.</td><td>8080</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="supervisors"></a><a href="#supervisors" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.supervisor.healthinessThreshold</code></td><td>The number of successful runs before an unhealthy supervisor is again considered healthy.</td><td>3</td></tr>
+<tr><td><code>druid.supervisor.unhealthinessThreshold</code></td><td>The number of failed runs before the supervisor is considered unhealthy.</td><td>3</td></tr>
+<tr><td><code>druid.supervisor.taskHealthinessThreshold</code></td><td>The number of consecutive task successes before an unhealthy supervisor is again considered healthy.</td><td>3</td></tr>
+<tr><td><code>druid.supervisor.taskUnhealthinessThreshold</code></td><td>The number of consecutive task failures before the supervisor is considered unhealthy.</td><td>3</td></tr>
+<tr><td><code>druid.supervisor.storeStackTrace</code></td><td>Whether full stack traces of supervisor exceptions should be stored and returned by the supervisor <code>/status</code> endpoint.</td><td>false</td></tr>
+<tr><td><code>druid.supervisor.maxStoredExceptionEvents</code></td><td>The maximum number of exception events that can be returned through the supervisor <code>/status</code> endpoint.</td><td><code>max(healthinessThreshold, unhealthinessThreshold)</code></td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="overlord-dynamic-configuration"></a><a href="#overlord-dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>The Overlord can dynamically change worker behavior.</p>
+<p>The JSON object can be submitted to the Overlord via a POST request at:</p>
+<pre><code class="hljs">http:<span class="hljs-regexp">//</span><OVERLORD_IP>:<port><span class="hljs-regexp">/druid/i</span>ndexer<span class="hljs-regexp">/v1/</span>worker
+</code></pre>
+<p>Optional Header Parameters for auditing the config change can also be specified.</p>
+<table>
+<thead>
+<tr><th>Header Param Name</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>X-Druid-Author</code></td><td>author making the config change</td><td>""</td></tr>
+<tr><td><code>X-Druid-Comment</code></td><td>comment describing the change being done</td><td>""</td></tr>
+</tbody>
+</table>
+<p>A sample worker config spec is shown below:</p>
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"selectStrategy"</span>: {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"fillCapacity"</span>,
+ <span class="hljs-attr">"affinityConfig"</span>: {
+ <span class="hljs-attr">"affinity"</span>: {
+ <span class="hljs-attr">"datasource1"</span>: [<span class="hljs-string">"host1:port"</span>, <span class="hljs-string">"host2:port"</span>],
+ <span class="hljs-attr">"datasource2"</span>: [<span class="hljs-string">"host3:port"</span>]
+ }
+ }
+ },
+ <span class="hljs-attr">"autoScaler"</span>: {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"ec2"</span>,
+ <span class="hljs-attr">"minNumWorkers"</span>: <span class="hljs-number">2</span>,
+ <span class="hljs-attr">"maxNumWorkers"</span>: <span class="hljs-number">12</span>,
+ <span class="hljs-attr">"envConfig"</span>: {
+ <span class="hljs-attr">"availabilityZone"</span>: <span class="hljs-string">"us-east-1a"</span>,
+ <span class="hljs-attr">"nodeData"</span>: {
+ <span class="hljs-attr">"amiId"</span>: <span class="hljs-string">"${AMI}"</span>,
+ <span class="hljs-attr">"instanceType"</span>: <span class="hljs-string">"c3.8xlarge"</span>,
+ <span class="hljs-attr">"minInstances"</span>: <span class="hljs-number">1</span>,
+ <span class="hljs-attr">"maxInstances"</span>: <span class="hljs-number">1</span>,
+ <span class="hljs-attr">"securityGroupIds"</span>: [<span class="hljs-string">"${IDs}"</span>],
+ <span class="hljs-attr">"keyName"</span>: <span class="hljs-string">"${KEY_NAME}"</span>
+ },
+ <span class="hljs-attr">"userData"</span>: {
+ <span class="hljs-attr">"impl"</span>: <span class="hljs-string">"string"</span>,
+ <span class="hljs-attr">"data"</span>: <span class="hljs-string">"${SCRIPT_COMMAND}"</span>,
+ <span class="hljs-attr">"versionReplacementString"</span>: <span class="hljs-string">":VERSION:"</span>,
+ <span class="hljs-attr">"version"</span>: <span class="hljs-literal">null</span>
+ }
+ }
+ }
+}
+</code></pre>
+<p>Issuing a GET request at the same URL will return the current worker config spec that is currently in place. The worker config spec list above is just a sample for EC2 and it is possible to extend the code base for other deployment environments. A description of the worker config spec is shown below.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>selectStrategy</code></td><td>How to assign tasks to MiddleManagers. Choices are <code>fillCapacity</code>, <code>equalDistribution</code>, and <code>javascript</code>.</td><td>equalDistribution</td></tr>
+<tr><td><code>autoScaler</code></td><td>Only used if autoscaling is enabled. See below.</td><td>null</td></tr>
+</tbody>
+</table>
+<p>To view the audit history of worker config issue a GET request to the URL -</p>
+<pre><code class="hljs">http://<span class="hljs-symbol"><OVERLORD_IP></span>:<span class="hljs-symbol"><port></span>/druid/indexer/v1/worker/<span class="hljs-keyword">history</span>?interval=<span class="hljs-symbol"><interval></span>
+</code></pre>
+<p>default value of interval can be specified by setting <code>druid.audit.manager.auditHistoryMillis</code> (1 week if not configured) in Overlord runtime.properties.</p>
+<p>To view last <n> entries of the audit history of worker config issue a GET request to the URL -</p>
+<pre><code class="hljs">http://<span class="hljs-symbol"><OVERLORD_IP></span>:<span class="hljs-symbol"><port></span>/druid/indexer/v1/worker/<span class="hljs-keyword">history</span>?<span class="hljs-built_in">count</span>=<span class="hljs-symbol"><n></span>
+</code></pre>
+<h5><a class="anchor" aria-hidden="true" id="worker-select-strategy"></a><a href="#worker-select-strategy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>Worker select strategies control how Druid assigns tasks to middleManagers.</p>
+<h6><a class="anchor" aria-hidden="true" id="equal-distribution"></a><a href="#equal-distribution" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Tasks are assigned to the middleManager with the most available capacity at the time the task begins running. This is
+useful if you want work evenly distributed across your middleManagers.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>type</code></td><td><code>equalDistribution</code>.</td><td>required; must be <code>equalDistribution</code></td></tr>
+<tr><td><code>affinityConfig</code></td><td><a href="#affinity">Affinity config</a> object</td><td>null (no affinity)</td></tr>
+</tbody>
+</table>
+<h6><a class="anchor" aria-hidden="true" id="fill-capacity"></a><a href="#fill-capacity" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>Tasks are assigned to the worker with the most currently-running tasks at the time the task begins running. This is
+useful in situations where you are elastically auto-scaling middleManagers, since it will tend to pack some full and
+leave others empty. The empty ones can be safely terminated.</p>
+<p>Note that if <code>druid.indexer.runner.pendingTasksRunnerNumThreads</code> is set to <em>N</em> > 1, then this strategy will fill <em>N</em>
+middleManagers up to capacity simultaneously, rather than a single middleManager.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>type</code></td><td><code>fillCapacity</code>.</td><td>required; must be <code>fillCapacity</code></td></tr>
+<tr><td><code>affinityConfig</code></td><td><a href="#affinity">Affinity config</a> object</td><td>null (no affinity)</td></tr>
+</tbody>
+</table>
+<p><a name="javascript-worker-select-strategy"></a></p>
+<h6><a class="anchor" aria-hidden="true" id="javascript-1"></a><a href="#javascript-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Allows defining arbitrary logic for selecting workers to run task using a JavaScript function.
+The function is passed remoteTaskRunnerConfig, map of workerId to available workers and task to be executed and returns the workerId on which the task should be run or null if the task cannot be run.
+It can be used for rapid development of missing features where the worker selection logic is to be changed or tuned often.
+If the selection logic is quite complex and cannot be easily tested in javascript environment,
+its better to write a druid extension module with extending current worker selection strategies written in java.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>type</code></td><td><code>javascript</code>.</td><td>required; must be <code>javascript</code></td></tr>
+<tr><td><code>function</code></td><td>String representing javascript function</td><td></td></tr>
+</tbody>
+</table>
+<p>Example: a function that sends batch_index_task to workers 10.0.0.1 and 10.0.0.2 and all other tasks to other available workers.</p>
+<pre><code class="hljs">{
+"type":"javascript",
+"function":"function (config, zkWorkers, task) {<span class="hljs-symbol">\n</span>var batch_workers = new java.util.ArrayList();<span class="hljs-symbol">\n</span>batch_workers.add(<span class="hljs-symbol">\"</span>middleManager1_hostname:8091<span class="hljs-symbol">\"</span>);<span class="hljs-symbol">\n</span>batch_workers.add(<span class="hljs-symbol">\"</span>middleManager2_hostname:8091<span class="hljs-symbol">\"</span>);<span class="hljs-symbol">\n</span>workers = zkWorkers.ke [...]
+}
+</code></pre>
+<blockquote>
+<p>JavaScript-based functionality is disabled by default. Please refer to the Druid <a href="/docs/0.16.0-incubating/development/javascript.html">JavaScript programming guide</a> for guidelines about using Druid's JavaScript functionality, including instructions on how to enable it.</p>
+</blockquote>
+<h6><a class="anchor" aria-hidden="true" id="affinity"></a><a href="#affinity" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>Affinity configs can be provided to the <em>equalDistribution</em> and <em>fillCapacity</em> strategies using the "affinityConfig"
+field. If not provided, the default is to not use affinity at all.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>affinity</code></td><td>JSON object mapping a datasource String name to a list of indexing service middleManager host:port String values. Druid doesn't perform DNS resolution, so the 'host' value must match what is configured on the middleManager and what the middleManager announces itself as (examine the Overlord logs to see what your middleManager announces itself as).</td><td>{}</td></tr>
+<tr><td><code>strong</code></td><td>With weak affinity (the default), tasks for a dataSource may be assigned to other middleManagers if their affinity-mapped middleManagers are not able to run all pending tasks in the queue for that dataSource. With strong affinity, tasks for a dataSource will only ever be assigned to their affinity-mapped middleManagers, and will wait in the pending queue if necessary.</td><td>false</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="autoscaler"></a><a href="#autoscaler" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>Amazon's EC2 is currently the only supported autoscaler.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>minNumWorkers</code></td><td>The minimum number of workers that can be in the cluster at any given time.</td><td>0</td></tr>
+<tr><td><code>maxNumWorkers</code></td><td>The maximum number of workers that can be in the cluster at any given time.</td><td>0</td></tr>
+<tr><td><code>availabilityZone</code></td><td>What availability zone to run in.</td><td>none</td></tr>
+<tr><td><code>nodeData</code></td><td>A JSON object that describes how to launch new nodes.</td><td>none; required</td></tr>
+<tr><td><code>userData</code></td><td>A JSON object that describes how to configure new nodes. If you have set druid.indexer.autoscale.workerVersion, this must have a versionReplacementString. Otherwise, a versionReplacementString is not necessary.</td><td>none; optional</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="data-server"></a><a href="#data-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>This section contains the configuration options for the processes that reside on Data servers (MiddleManagers/Peons and Historicals) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="middlemanager-and-peons"></a><a href="#middlemanager-and-peons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>These MiddleManager and Peon configurations can be defined in the <code>middleManager/runtime.properties</code> file.</p>
+<h4><a class="anchor" aria-hidden="true" id="middlemanager-process-config"></a><a href="#middlemanager-process-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8091</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8291</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/middlemanager</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="middlemanager-configuration"></a><a href="#middlemanager-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>Middle managers pass their configurations down to their child peons. The MiddleManager requires the following configs:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.indexer.runner.allowedPrefixes</code></td><td>Whitelist of prefixes for configs that can be passed down to child peons.</td><td>"com.metamx", "druid", "org.apache.druid", "user.timezone", "file.encoding", "java.io.tmpdir", "hadoop"</td></tr>
+<tr><td><code>druid.indexer.runner.compressZnodes</code></td><td>Indicates whether or not the MiddleManagers should compress Znodes.</td><td>true</td></tr>
+<tr><td><code>druid.indexer.runner.classpath</code></td><td>Java classpath for the peon.</td><td>System.getProperty("java.class.path")</td></tr>
+<tr><td><code>druid.indexer.runner.javaCommand</code></td><td>Command required to execute java.</td><td>java</td></tr>
+<tr><td><code>druid.indexer.runner.javaOpts</code></td><td><em>DEPRECATED</em> A string of -X Java options to pass to the peon's JVM. Quotable parameters or parameters with spaces are encouraged to use javaOptsArray</td><td>""</td></tr>
+<tr><td><code>druid.indexer.runner.javaOptsArray</code></td><td>A json array of strings to be passed in as options to the peon's jvm. This is additive to javaOpts and is recommended for properly handling arguments which contain quotes or spaces like <code>["-XX:OnOutOfMemoryError=kill -9 %p"]</code></td><td><code>[]</code></td></tr>
+<tr><td><code>druid.indexer.runner.maxZnodeBytes</code></td><td>The maximum size Znode in bytes that can be created in Zookeeper.</td><td>524288</td></tr>
+<tr><td><code>druid.indexer.runner.startPort</code></td><td>Starting port used for peon processes, should be greater than 1023 and less than 65536.</td><td>8100</td></tr>
+<tr><td><code>druid.indexer.runner.endPort</code></td><td>Ending port used for peon processes, should be greater than or equal to <code>druid.indexer.runner.startPort</code> and less than 65536.</td><td>65535</td></tr>
+<tr><td><code>druid.indexer.runner.ports</code></td><td>A json array of integers to specify ports that used for peon processes. If provided and non-empty, ports for peon processes will be chosen from these ports. And <code>druid.indexer.runner.startPort/druid.indexer.runner.endPort</code> will be completely ignored.</td><td><code>[]</code></td></tr>
+<tr><td><code>druid.worker.ip</code></td><td>The IP of the worker.</td><td>localhost</td></tr>
+<tr><td><code>druid.worker.version</code></td><td>Version identifier for the MiddleManager.</td><td>0</td></tr>
+<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the MiddleManager can accept.</td><td>Number of available processors - 1</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="peon-processing"></a><a href="#peon-processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>Processing properties set on the Middlemanager will be passed through to Peons.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in both the Historical and Realtime processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Realtime and Historical processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> in
+<code>druid.indexer.runner.javaOptsArray</code> as documented above.</p>
+<h4><a class="anchor" aria-hidden="true" id="peon-query-configuration"></a><a href="#peon-query-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>See <a href="#general-query-configuration">general query configuration</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="peon-caching"></a><a href="#peon-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>You can optionally configure caching to be enabled on the peons by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
+<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<h4><a class="anchor" aria-hidden="true" id="additional-peon-configuration"></a><a href="#additional-peon-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>Although peons inherit the configurations of their parent MiddleManagers, explicit child peon configs in MiddleManager can be set by prefixing them with:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.fork</span><span class="hljs-selector-class">.property</span>
+</code></pre>
+<p>Additional peon configs include:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.peon.mode</code></td><td>Choices are "local" and "remote". Setting this to local means you intend to run the peon as a standalone process (Not recommended).</td><td>remote</td></tr>
+<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
+<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
+<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
+<tr><td><code>druid.indexer.task.defaultRowFlushBoundary</code></td><td>Highest row count before persisting to disk. Used for indexing generating tasks.</td><td>75000</td></tr>
+<tr><td><code>druid.indexer.task.directoryLockTimeout</code></td><td>Wait this long for zombie peons to exit before giving up on their replacements.</td><td>PT10M</td></tr>
+<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on middleManager restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, middleManagers will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.indexer.server.maxChatRequests</code></td><td>Maximum number of concurrent requests served by a task's chat handler. Set to 0 to disable limiting.</td><td>0</td></tr>
+</tbody>
+</table>
+<p>If the peon is running in remote mode, there must be an Overlord up and running. Peons in remote mode can set the following configurations:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="segmentwriteoutmediumfactory"></a><a href="#segmentwriteoutmediumfactory" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<p>When new segments are created, Druid temporarily stores some pre-processed data in some buffers. Currently two types of
+<em>medium</em> exist for those buffers: <em>temporary files</em> and <em>off-heap memory</em>.</p>
+<p><em>Temporary files</em> (<code>tmpFile</code>) are stored under the task working directory (see <code>druid.indexer.task.baseTaskDir</code>
+configuration above) and thus share it's mounting properies, e. g. they could be backed by HDD, SSD or memory (tmpfs).
+This type of medium may do unnecessary disk I/O and requires some disk space to be available.</p>
+<p><em>Off-heap memory medium</em> (<code>offHeapMemory</code>) creates buffers in off-heap memory of a JVM process that is running a task.
+This type of medium is preferred, but it may require to allow the JVM to have more off-heap memory, by changing
+<code>-XX:MaxDirectMemorySize</code> configuration. It is not yet understood how does the required off-heap memory size relates
+to the size of the segments being created. But definitely it doesn't make sense to add more extra off-heap memory,
+than the configured maximum <em>heap</em> size (<code>-Xmx</code>) for the same JVM.</p>
+<p>For most types of tasks SegmentWriteOutMediumFactory could be configured per-task (see <a href="/docs/0.16.0-incubating/ingestion/tasks.html">Tasks</a>
+page, "TuningConfig" section), but if it's not specified for a task, or it's not supported for a particular task type,
+then the value from the configuration below is used:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code></td><td><code>tmpFile</code> or <code>offHeapMemory</code>, see explanation above</td><td><code>tmpFile</code></td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="historical"></a><a href="#historical" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>For general Historical Process information, see <a href="/docs/0.16.0-incubating/design/historical.html">here</a>.</p>
+<p>These Historical configurations can be defined in the <code>historical/runtime.properties</code> file.</p>
+<h4><a class="anchor" aria-hidden="true" id="historical-process-configuration"></a><a href="#historical-process-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8083</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8283</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/historical</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="historical-general-configuration"></a><a href="#historical-general-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.maxSize</code></td><td>The maximum number of bytes-worth of segments that the process wants assigned to it. This is not a limit that Historical processes actually enforces, just a value published to the Coordinator process so it can plan accordingly.</td><td>0</td></tr>
+<tr><td><code>druid.server.tier</code></td><td>A string to name the distribution tier that the storage process belongs to. Many of the <a href="/docs/0.16.0-incubating/operations/rule-configuration.html">rules Coordinator processes use</a> to manage segments can be keyed on tiers.</td><td><code>_default_tier</code></td></tr>
+<tr><td><code>druid.server.priority</code></td><td>In a tiered architecture, the priority of the tier, thus allowing control over which processes are queried. Higher numbers mean higher priority. The default (no priority) works for architecture with no cross replication (tiers that have no data-storage overlap). Data centers typically have equal priority.</td><td>0</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="storing-segments"></a><a href="#storing-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.segmentCache.locations</code></td><td>Segments assigned to a Historical process are first stored on the local file system (in a disk cache) and then served by the Historical process. These locations define where that local cache resides. This value cannot be NULL or EMPTY. Here is an example <code>druid.segmentCache.locations=[{"path": "/mnt/druidSegments", "maxSize": 10000, "freeSpacePercent": 1.0}]</code>. "freeSpacePerce [...]
+<tr><td><code>druid.segmentCache.deleteOnRemove</code></td><td>Delete segment files from cache once a process is no longer serving a segment.</td><td>true</td></tr>
+<tr><td><code>druid.segmentCache.dropSegmentDelayMillis</code></td><td>How long a process delays before completely dropping segment.</td><td>30000 (30 seconds)</td></tr>
+<tr><td><code>druid.segmentCache.infoDir</code></td><td>Historical processes keep track of the segments they are serving so that when the process is restarted they can reload the same segments without waiting for the Coordinator to reassign. This path defines where this metadata is kept. Directory will be created if needed.</td><td>${first_location}/info_dir</td></tr>
+<tr><td><code>druid.segmentCache.announceIntervalMillis</code></td><td>How frequently to announce segments while segments are loading from cache. Set this value to zero to wait for all segments to be loaded before announcing.</td><td>5000 (5 seconds)</td></tr>
+<tr><td><code>druid.segmentCache.numLoadingThreads</code></td><td>How many segments to drop or load concurrently from deep storage. Note that the work of loading segments involves downloading segments from deep storage, decompressing them and loading them to a memory mapped location. So the work is not all I/O Bound. Depending on CPU and network load, one could possibly increase this config to a higher value.</td><td>Number of cores</td></tr>
+<tr><td><code>druid.segmentCache.numBootstrapThreads</code></td><td>How many segments to load concurrently during historical startup.</td><td><code>druid.segmentCache.numLoadingThreads</code></td></tr>
+<tr><td><code>druid.coordinator.loadqueuepeon.curator.numCallbackThreads</code></td><td>Number of threads for executing callback actions associated with loading or dropping of segments. One might want to increase this number when noticing clusters are lagging behind w.r.t. balancing segments across historical nodes.</td><td>2</td></tr>
+</tbody>
+</table>
+<p>In <code>druid.segmentCache.locations</code>, <em>freeSpacePercent</em> was added because <em>maxSize</em> setting is only a theoretical limit and assumes that much space will always be available for storing segments. In case of any druid bug leading to unaccounted segment files left alone on disk or some other process writing stuff to disk, This check can start failing segment loading early before filling up the disk completely and leaving the host usable otherwise.</p>
+<h4><a class="anchor" aria-hidden="true" id="historical-query-configs"></a><a href="#historical-query-configs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<h5><a class="anchor" aria-hidden="true" id="concurrent-requests"></a><a href="#concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Druid uses Jetty to serve HTTP requests.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
+<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
+<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
+<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
+<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
+<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="/docs/0.16.0-incubating/querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
+<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="processing"></a><a href="#processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in both the Historical and Realtime processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Realtime and Historical processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
+line.</p>
+<h5><a class="anchor" aria-hidden="true" id="historical-query-configuration"></a><a href="#historical-query-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>See <a href="#general-query-configuration">general query configuration</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="historical-caching"></a><a href="#historical-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>You can optionally only configure caching to be enabled on the Historical by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.historical.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the Historical.</td><td>false</td></tr>
+<tr><td><code>druid.historical.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the Historical.</td><td>false</td></tr>
+<tr><td><code>druid.historical.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td>["groupBy", "select"]</td></tr>
+<tr><td><code>druid.historical.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<h2><a class="anchor" aria-hidden="true" id="query-server"></a><a href="#query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>This section contains the configuration options for the processes that reside on Query servers (Brokers) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="broker"></a><a href="#broker" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<p>For general Broker process information, see <a href="/docs/0.16.0-incubating/design/broker.html">here</a>.</p>
+<p>These Broker configurations can be defined in the <code>broker/runtime.properties</code> file.</p>
+<h4><a class="anchor" aria-hidden="true" id="broker-process-configs"></a><a href="#broker-process-configs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8082</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8282</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/broker</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="query-configuration"></a><a href="#query-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<h5><a class="anchor" aria-hidden="true" id="query-prioritization"></a><a href="#query-prioritization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.broker.balancer.type</code></td><td><code>random</code>, <code>connectionCount</code></td><td>Determines how the broker balances connections to Historical processes. <code>random</code> choose randomly, <code>connectionCount</code> picks the process with the fewest number of active connections to</td><td><code>random</code></td></tr>
+<tr><td><code>druid.broker.select.tier</code></td><td><code>highestPriority</code>, <code>lowestPriority</code>, <code>custom</code></td><td>If segments are cross-replicated across tiers in a cluster, you can tell the broker to prefer to select segments in a tier with a certain priority.</td><td><code>highestPriority</code></td></tr>
+<tr><td><code>druid.broker.select.tier.custom.priorities</code></td><td><code>An array of integer priorities.</code></td><td>Select servers in tiers with a custom priority list.</td><td>None</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="server-configuration"></a><a href="#server-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Druid uses Jetty to serve HTTP requests.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
+<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
+<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
+<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
+<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
+<tr><td><code>druid.server.http.maxScatterGatherBytes</code></td><td>Maximum number of bytes gathered from data processes such as Historicals and realtime processes to execute a query. Queries that exceed this limit will fail. This is an advance configuration that allows to protect in case Broker is under heavy load and not utilizing the data gathered in memory fast enough and leading to OOMs. This limit can be further reduced at query time using <code>maxScatterGatherBytes</code> in the [...]
+<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="/docs/0.16.0-incubating/querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
+<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="client-configuration"></a><a href="#client-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Druid Brokers use an HTTP client to communicate with with data servers (Historical servers and real-time tasks). This
+client has the following configuration options.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.broker.http.numConnections</code></td><td>Size of connection pool for the Broker to connect to Historical and real-time processes. If there are more queries than this number that all need to speak to the same process, then they will queue up.</td><td>20</td></tr>
+<tr><td><code>druid.broker.http.compressionCodec</code></td><td>Compression codec the Broker uses to communicate with Historical and real-time processes. May be "gzip" or "identity".</td><td>gzip</td></tr>
+<tr><td><code>druid.broker.http.readTimeout</code></td><td>The timeout for data reads from Historical servers and real-time tasks.</td><td>PT15M</td></tr>
+<tr><td><code>druid.broker.http.unusedConnectionTimeout</code></td><td>The timeout for idle connections in connection pool. This timeout should be less than <code>druid.broker.http.readTimeout</code>. Set this timeout = ~90% of <code>druid.broker.http.readTimeout</code></td><td><code>PT4M</code></td></tr>
+<tr><td><code>druid.broker.http.maxQueuedBytes</code></td><td>Maximum number of bytes queued per query before exerting backpressure on the channel to the data server. Similar to <code>druid.server.http.maxScatterGatherBytes</code>, except unlike that configuration, this one will trigger backpressure rather than query failure. Zero means disabled. Can be overridden by the <a href="/docs/0.16.0-incubating/querying/query-context.html">"maxQueuedBytes" query context parameter</a>.< [...]
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="retry-policy"></a><a href="#retry-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Druid broker can optionally retry queries internally for transient errors.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.broker.retryPolicy.numTries</code></td><td>Number of tries.</td><td>1</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="processing-1"></a><a href="#processing-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>The broker uses processing configs for nested groupBy queries. And, if you use groupBy v1, long-interval queries (of any type) can be broken into shorter interval queries and processed in parallel inside this thread pool. For more details, see "chunkPeriod" in the <a href="/docs/0.16.0-incubating/querying/query-context.html">query context</a> doc.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in both the Historical and Realtime processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Realtime and Historical processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
+line.</p>
+<h5><a class="anchor" aria-hidden="true" id="broker-query-configuration"></a><a href="#broker-query-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>See <a href="#general-query-configuration">general query configuration</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="sql"></a><a href="#sql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
+<p>The Druid SQL server is configured through the following properties on the Broker.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.sql.enable</code></td><td>Whether to enable SQL at all, including background metadata fetching. If false, this overrides all other SQL-related properties and disables SQL metadata, serving, and planning completely.</td><td>true</td></tr>
+<tr><td><code>druid.sql.avatica.enable</code></td><td>Whether to enable JDBC querying at <code>/druid/v2/sql/avatica/</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.avatica.maxConnections</code></td><td>Maximum number of open connections for the Avatica server. These are not HTTP connections, but are logical client connections that may span multiple HTTP connections.</td><td>50</td></tr>
+<tr><td><code>druid.sql.avatica.maxRowsPerFrame</code></td><td>Maximum number of rows to return in a single JDBC frame. Setting this property to -1 indicates that no row limit should be applied. Clients can optionally specify a row limit in their requests; if a client specifies a row limit, the lesser value of the client-provided limit and <code>maxRowsPerFrame</code> will be used.</td><td>5,000</td></tr>
+<tr><td><code>druid.sql.avatica.maxStatementsPerConnection</code></td><td>Maximum number of simultaneous open statements per Avatica client connection.</td><td>1</td></tr>
+<tr><td><code>druid.sql.avatica.connectionIdleTimeout</code></td><td>Avatica client connection idle timeout.</td><td>PT5M</td></tr>
+<tr><td><code>druid.sql.http.enable</code></td><td>Whether to enable JSON over HTTP querying at <code>/druid/v2/sql/</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its SQL metadata view to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.broker.segment.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.maxQueryCount</code></td><td>Maximum number of queries to issue, including nested queries. Set to 1 to disable sub-queries, or set to 0 for unlimited.</td><td>8</td></tr>
+<tr><td><code>druid.sql.planner.maxSemiJoinRowsInMemory</code></td><td>Maximum number of rows to keep in memory for executing two-stage semi-join queries like <code>SELECT * FROM Employee WHERE DeptName IN (SELECT DeptName FROM Dept)</code>.</td><td>100000</td></tr>
+<tr><td><code>druid.sql.planner.maxTopNLimit</code></td><td>Maximum threshold for a <a href="/docs/0.16.0-incubating/querying/topnquery.html">TopN query</a>. Higher limits will be planned as <a href="/docs/0.16.0-incubating/querying/groupbyquery.html">GroupBy queries</a> instead.</td><td>100000</td></tr>
+<tr><td><code>druid.sql.planner.metadataRefreshPeriod</code></td><td>Throttle for metadata refreshes.</td><td>PT1M</td></tr>
+<tr><td><code>druid.sql.planner.selectThreshold</code></td><td>Page size threshold for <a href="/docs/0.16.0-incubating/querying/select-query.html">Select queries</a>. Select queries for larger resultsets will be issued back-to-back using pagination.</td><td>1000</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinalty algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateTopN</code></td><td>Whether to use approximate <a href="/docs/0.16.0-incubating/querying/topnquery.html">TopN queries</a> when a SQL query could be expressed as such. If false, exact <a href="/docs/0.16.0-incubating/querying/groupbyquery.html">GroupBy queries</a> will be used instead.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries wihout filter condition on __time column will fail</td><td>false</td></tr>
+<tr><td><code>druid.sql.planner.sqlTimeZone</code></td><td>Sets the default time zone for the server, which will affect how time functions and timestamp literals behave. Should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td><td>UTC</td></tr>
+<tr><td><code>druid.sql.planner.serializeComplexValues</code></td><td>Whether to serialize "complex" output values, false will return the class name instead of the serialized value.</td><td>true</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="broker-caching"></a><a href="#broker-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>You can optionally only configure caching to be enabled on the Broker by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.broker.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the Broker.</td><td>false</td></tr>
+<tr><td><code>druid.broker.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the Broker.</td><td>false</td></tr>
+<tr><td><code>druid.broker.cache.useResultLevelCache</code></td><td>true, false</td><td>Enable result level caching on the Broker.</td><td>false</td></tr>
+<tr><td><code>druid.broker.cache.populateResultLevelCache</code></td><td>true, false</td><td>Populate the result level cache on the Broker.</td><td>false</td></tr>
+<tr><td><code>druid.broker.cache.resultLevelCacheLimit</code></td><td>positive integer</td><td>Maximum size of query response that can be cached.</td><td><code>Integer.MAX_VALUE</code></td></tr>
+<tr><td><code>druid.broker.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
+<tr><td><code>druid.broker.cache.cacheBulkMergeLimit</code></td><td>positive integer or 0</td><td>Queries with more segments than this number will not attempt to fetch from cache at the broker level, leaving potential caching fetches (and cache result merging) to the Historicals</td><td><code>Integer.MAX_VALUE</code></td></tr>
+<tr><td><code>druid.broker.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<h4><a class="anchor" aria-hidden="true" id="segment-discovery"></a><a href="#segment-discovery" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
+<tr><td><code>druid.broker.segment.watchedTiers</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of tiers. By default, Broker would consider all tiers. This can be used to partition your dataSources in specific Historical tiers and configure brokers in partitions so that they are only qu [...]
+<tr><td><code>druid.broker.segment.watchedDataSources</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of dataSources. By default, Broker would consider all datasources. This can be used to configure brokers in partitions so that they are only queryable for specific dataSources.</td><td> [...]
+<tr><td><code>druid.broker.segment.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its view of segments to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.sql.planner.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="cache-configuration"></a><a href="#cache-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>This section describes caching configuration that is common to Broker, Historical, and MiddleManager/Peon processes.</p>
+<p>Caching can optionally be enabled on the Broker, Historical, and MiddleManager/Peon processses. See <a href="#broker-caching">Broker</a>,
+<a href="#historical-caching">Historical</a>, and <a href="#peon-caching">Peon</a> configuration options for how to enable it for different processes.</p>
+<p>Druid uses a local in-memory cache by default, unless a diffrent type of cache is specified.
+Use the <code>druid.cache.type</code> configuration to set a different kind of cache.</p>
+<p>Cache settings are set globally, so the same configuration can be re-used
+for both Broker and Historical processes, when defined in the common properties file.</p>
+<h3><a class="anchor" aria-hidden="true" id="cache-type"></a><a href="#cache-type" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.cache.type</code></td><td><code>local</code>, <code>memcached</code>, <code>hybrid</code>, <code>caffeine</code></td><td>The type of cache to use for queries. See below of the configuration options for each cache type</td><td><code>caffeine</code></td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="local-cache"></a><a href="#local-cache" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<blockquote>
+<p>DEPRECATED: Use caffeine (default as of v0.12.0) instead</p>
+</blockquote>
+<p>The local cache is deprecated in favor of the Caffeine cache, and may be removed in a future version of Druid. The Caffeine cache affords significantly better performance and control over eviction behavior compared to <code>local</code> cache, and is recommended in any situation where you are using JRE 8u60 or higher.</p>
+<p>A simple in-memory LRU cache. Local cache resides in JVM heap memory, so if you enable it, make sure you increase heap size accordingly.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.cache.sizeInBytes</code></td><td>Maximum cache size in bytes. Zero disables caching.</td><td>0</td></tr>
+<tr><td><code>druid.cache.initialSize</code></td><td>Initial size of the hashtable backing the cache.</td><td>500000</td></tr>
+<tr><td><code>druid.cache.logEvictionCount</code></td><td>If non-zero, log cache eviction every <code>logEvictionCount</code> items.</td><td>0</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="caffeine-cache"></a><a href="#caffeine-cache" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>A highly performant local cache implementation for Druid based on <a href="https://github.com/ben-manes/caffeine">Caffeine</a>. Requires a JRE8u60 or higher if using <code>COMMON_FJP</code>.</p>
+<h5><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>Below are the configuration options known to this module:</p>
+<table>
+<thead>
+<tr><th><code>runtime.properties</code></th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.cache.type</code></td><td>Set this to <code>caffeine</code> or leave out parameter</td><td><code>caffeine</code></td></tr>
+<tr><td><code>druid.cache.sizeInBytes</code></td><td>The maximum size of the cache in bytes on heap.</td><td>min(1GB, Runtime.maxMemory / 10)</td></tr>
+<tr><td><code>druid.cache.expireAfter</code></td><td>The time (in ms) after an access for which a cache entry may be expired</td><td>None (no time limit)</td></tr>
+<tr><td><code>druid.cache.cacheExecutorFactory</code></td><td>The executor factory to use for Caffeine maintenance. One of <code>COMMON_FJP</code>, <code>SINGLE_THREAD</code>, or <code>SAME_THREAD</code></td><td>ForkJoinPool common pool (<code>COMMON_FJP</code>)</td></tr>
+<tr><td><code>druid.cache.evictOnClose</code></td><td>If a close of a namespace (ex: removing a segment from a process) should cause an eager eviction of associated cache values</td><td><code>false</code></td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="druidcachecacheexecutorfactory"></a><a href="#druidcachecacheexecutorfactory" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>Here are the possible values for <code>druid.cache.cacheExecutorFactory</code>, which controls how maintenance tasks are run</p>
+<ul>
+<li><code>COMMON_FJP</code> (default) use the common ForkJoinPool. Should use with <a href="https://github.com/apache/incubator-druid/pull/4810#issuecomment-329922810">JRE 8u60 or higher</a>. Older versions of the JRE may have worse performance than newer JRE versions.</li>
+<li><code>SINGLE_THREAD</code> Use a single-threaded executor.</li>
+<li><code>SAME_THREAD</code> Cache maintenance is done eagerly.</li>
+</ul>
+<h5><a class="anchor" aria-hidden="true" id="metrics"></a><a href="#metrics" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<p>In addition to the normal cache metrics, the caffeine cache implementation also reports the following in both <code>total</code> and <code>delta</code></p>
+<table>
+<thead>
+<tr><th>Metric</th><th>Description</th><th>Normal value</th></tr>
+</thead>
+<tbody>
+<tr><td><code>query/cache/caffeine/*/requests</code></td><td>Count of hits or misses</td><td>hit + miss</td></tr>
+<tr><td><code>query/cache/caffeine/*/loadTime</code></td><td>Length of time caffeine spends loading new values (unused feature)</td><td>0</td></tr>
+<tr><td><code>query/cache/caffeine/*/evictionBytes</code></td><td>Size in bytes that have been evicted from the cache</td><td>Varies, should tune cache <code>sizeInBytes</code> so that <code>sizeInBytes</code>/<code>evictionBytes</code> is approximately the rate of cache churn you desire</td></tr>
+</tbody>
+</table>
+<h5><a class="anchor" aria-hidden="true" id="memcached"></a><a href="#memcached" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
+<p>Uses memcached as cache backend. This allows all processes to share the same cache.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.cache.expiration</code></td><td>Memcached <a href="https://code.google.com/p/memcached/wiki/NewCommands#Standard_Protocol">expiration time</a>.</td><td>2592000 (30 days)</td></tr>
+<tr><td><code>druid.cache.timeout</code></td><td>Maximum time in milliseconds to wait for a response from Memcached.</td><td>500</td></tr>
+<tr><td><code>druid.cache.hosts</code></td><td>Comma separated list of Memcached hosts <code><host:port></code>.</td><td>none</td></tr>
+<tr><td><code>druid.cache.maxObjectSize</code></td><td>Maximum object size in bytes for a Memcached object.</td><td>52428800 (50 MB)</td></tr>
+<tr><td><code>druid.cache.memcachedPrefix</code></td><td>Key prefix for all keys in Memcached.</td><td>druid</td></tr>
+<tr><td><code>druid.cache.numConnections</code></td><td>Number of memcached connections to use.</td><td>1</td></tr>
+<tr><td><code>druid.cache.protocol</code></td><td>Memcached communication protocol. Can be binary or text.</td><td>binary</td></tr>
+<tr><td><code>druid.cache.locator</code></td><td>Memcached locator. Can be consistent or array_mod.</td><td>consistent</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="hybrid"></a><a href="#hybrid" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<p>Uses a combination of any two caches as a two-level L1 / L2 cache.
+This may be used to combine a local in-memory cache with a remote memcached cache.</p>
+<p>Cache requests will first check L1 cache before checking L2.
+If there is an L1 miss and L2 hit, it will also populate L1.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.cache.l1.type</code></td><td>type of cache to use for L1 cache. See <code>druid.cache.type</code> configuration for valid types.</td><td><code>caffeine</code></td></tr>
+<tr><td><code>druid.cache.l2.type</code></td><td>type of cache to use for L2 cache. See <code>druid.cache.type</code> configuration for valid types.</td><td><code>caffeine</code></td></tr>
+<tr><td><code>druid.cache.l1.*</code></td><td>Any property valid for the given type of L1 cache can be set using this prefix. For instance, if you are using a <code>caffeine</code> L1 cache, specify <code>druid.cache.l1.sizeInBytes</code> to set its size.</td><td>defaults are the same as for the given cache type.</td></tr>
+<tr><td><code>druid.cache.l2.*</code></td><td>Prefix for L2 cache settings, see description for L1.</td><td>defaults are the same as for the given cache type.</td></tr>
+<tr><td><code>druid.cache.useL2</code></td><td>A boolean indicating whether to query L2 cache, if it's a miss in L1. It makes sense to configure this to <code>false</code> on Historical processes, if L2 is a remote cache like <code>memcached</code>, and this cache also used on brokers, because in this case if a query reached Historical it means that a broker didn't find corresponding results in the same remote cache, so a query to the remote cache from Historical is guaranteed to be a mi [...]
+<tr><td><code>druid.cache.populateL2</code></td><td>A boolean indicating whether to put results into L2 cache.</td><td><code>true</code></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="general-query-configuration"></a><a href="#general-query-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>This section describes configurations that control behavior of Druid's query types, applicable to Broker, Historical, and MiddleManager processes.</p>
+<h3><a class="anchor" aria-hidden="true" id="topn-query-config"></a><a href="#topn-query-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.topN.minTopNThreshold</code></td><td>See <a href="../querying/topnquery.html#aliasing">TopN Aliasing</a> for details.</td><td>1000</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="search-query-config"></a><a href="#search-query-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.search.maxSearchLimit</code></td><td>Maximum number of search results to return.</td><td>1000</td></tr>
+<tr><td><code>druid.query.search.searchStrategy</code></td><td>Default search query strategy.</td><td>useIndexes</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="segmentmetadata-query-config"></a><a href="#segmentmetadata-query-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.segmentMetadata.defaultHistory</code></td><td>When no interval is specified in the query, use a default interval of defaultHistory before the end time of the most recent segment, specified in ISO8601 format. This property also controls the duration of the default interval used by GET /druid/v2/datasources/{dataSourceName} interactions for retrieving datasource dimensions/metrics.</td><td>P1W</td></tr>
+<tr><td><code>druid.query.segmentMetadata.defaultAnalysisTypes</code></td><td>This can be used to set the Default Analysis Types for all segment metadata queries, this can be overridden when making the query</td><td>["cardinality", "interval", "minmax"]</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="groupby-query-config"></a><a href="#groupby-query-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>This section describes the configurations for groupBy queries. You can set the runtime properties in the <code>runtime.properties</code> file on Broker, Historical, and MiddleManager processes. You can set the query context parameters through the <a href="/docs/0.16.0-incubating/querying/query-context.html">query context</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="configurations-for-groupby-v2"></a><a href="#configurations-for-groupby-v2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>Supported runtime properties:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.groupBy.maxMergingDictionarySize</code></td><td>Maximum amount of heap space (approximately) to use for the string dictionary during merging. When the dictionary exceeds this size, a spill to disk will be triggered.</td><td>100000000</td></tr>
+<tr><td><code>druid.query.groupBy.maxOnDiskStorage</code></td><td>Maximum amount of disk space to use, per-query, for spilling result sets to disk when either the merging buffer or the dictionary fills up. Queries that exceed this limit will fail. Set to zero to disable disk spilling.</td><td>0 (disabled)</td></tr>
+</tbody>
+</table>
+<p>Supported query contexts:</p>
+<table>
+<thead>
+<tr><th>Key</th><th>Description</th></tr>
+</thead>
+<tbody>
+<tr><td><code>maxMergingDictionarySize</code></td><td>Can be used to lower the value of <code>druid.query.groupBy.maxMergingDictionarySize</code> for this query.</td></tr>
+<tr><td><code>maxOnDiskStorage</code></td><td>Can be used to lower the value of <code>druid.query.groupBy.maxOnDiskStorage</code> for this query.</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="advanced-configurations"></a><a href="#advanced-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<h4><a class="anchor" aria-hidden="true" id="common-configurations-for-all-groupby-strategies"></a><a href="#common-configurations-for-all-groupby-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9z [...]
+<p>Supported runtime properties:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.groupBy.defaultStrategy</code></td><td>Default groupBy query strategy.</td><td>v2</td></tr>
+<tr><td><code>druid.query.groupBy.singleThreaded</code></td><td>Merge results using a single thread.</td><td>false</td></tr>
+</tbody>
+</table>
+<p>Supported query contexts:</p>
+<table>
+<thead>
+<tr><th>Key</th><th>Description</th></tr>
+</thead>
+<tbody>
+<tr><td><code>groupByStrategy</code></td><td>Overrides the value of <code>druid.query.groupBy.defaultStrategy</code> for this query.</td></tr>
+<tr><td><code>groupByIsSingleThreaded</code></td><td>Overrides the value of <code>druid.query.groupBy.singleThreaded</code> for this query.</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="groupby-v2-configurations"></a><a href="#groupby-v2-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
+<p>Supported runtime properties:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.groupBy.bufferGrouperInitialBuckets</code></td><td>Initial number of buckets in the off-heap hash table used for grouping results. Set to 0 to use a reasonable default (1024).</td><td>0</td></tr>
+<tr><td><code>druid.query.groupBy.bufferGrouperMaxLoadFactor</code></td><td>Maximum load factor of the off-heap hash table used for grouping results. When the load factor exceeds this size, the table will be grown or spilled to disk. Set to 0 to use a reasonable default (0.7).</td><td>0</td></tr>
+<tr><td><code>druid.query.groupBy.forceHashAggregation</code></td><td>Force to use hash-based aggregation.</td><td>false</td></tr>
+<tr><td><code>druid.query.groupBy.intermediateCombineDegree</code></td><td>Number of intermediate processes combined together in the combining tree. Higher degrees will need less threads which might be helpful to improve the query performance by reducing the overhead of too many threads if the server has sufficiently powerful cpu cores.</td><td>8</td></tr>
+<tr><td><code>druid.query.groupBy.numParallelCombineThreads</code></td><td>Hint for the number of parallel combining threads. This should be larger than 1 to turn on the parallel combining feature. The actual number of threads used for parallel combining is min(<code>druid.query.groupBy.numParallelCombineThreads</code>, <code>druid.processing.numThreads</code>).</td><td>1 (disabled)</td></tr>
+</tbody>
+</table>
+<p>Supported query contexts:</p>
+<table>
+<thead>
+<tr><th>Key</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>bufferGrouperInitialBuckets</code></td><td>Overrides the value of <code>druid.query.groupBy.bufferGrouperInitialBuckets</code> for this query.</td><td>None</td></tr>
+<tr><td><code>bufferGrouperMaxLoadFactor</code></td><td>Overrides the value of <code>druid.query.groupBy.bufferGrouperMaxLoadFactor</code> for this query.</td><td>None</td></tr>
+<tr><td><code>forceHashAggregation</code></td><td>Overrides the value of <code>druid.query.groupBy.forceHashAggregation</code></td><td>None</td></tr>
+<tr><td><code>intermediateCombineDegree</code></td><td>Overrides the value of <code>druid.query.groupBy.intermediateCombineDegree</code></td><td>None</td></tr>
+<tr><td><code>numParallelCombineThreads</code></td><td>Overrides the value of <code>druid.query.groupBy.numParallelCombineThreads</code></td><td>None</td></tr>
+<tr><td><code>sortByDimsFirst</code></td><td>Sort the results first by dimension values and then by timestamp.</td><td>false</td></tr>
+<tr><td><code>forceLimitPushDown</code></td><td>When all fields in the orderby are part of the grouping key, the broker will push limit application down to the Historical processes. When the sorting order uses fields that are not in the grouping key, applying this optimization can result in approximate results with unknown accuracy, so this optimization is disabled by default in that case. Enabling this context flag turns on limit push down for limit/orderbys that contain non-grouping ke [...]
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="groupby-v1-configurations"></a><a href="#groupby-v1-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
+<p>Supported runtime properties:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.query.groupBy.maxIntermediateRows</code></td><td>Maximum number of intermediate rows for the per-segment grouping engine. This is a tuning parameter that does not impose a hard limit; rather, it potentially shifts merging work from the per-segment engine to the overall merging index. Queries that exceed this limit will not fail.</td><td>50000</td></tr>
+<tr><td><code>druid.query.groupBy.maxResults</code></td><td>Maximum number of results. Queries that exceed this limit will fail.</td><td>500000</td></tr>
+</tbody>
+</table>
+<p>Supported query contexts:</p>
+<table>
+<thead>
+<tr><th>Key</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>maxIntermediateRows</code></td><td>Can be used to lower the value of <code>druid.query.groupBy.maxIntermediateRows</code> for this query.</td><td>None</td></tr>
+<tr><td><code>maxResults</code></td><td>Can be used to lower the value of <code>druid.query.groupBy.maxResults</code> for this query.</td><td>None</td></tr>
+<tr><td><code>useOffheap</code></td><td>Set to true to store aggregations off-heap when merging results.</td><td>false</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/geo.html"><span class="arrow-prev">← </span><span>Spatial filters</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions.html"><span>Extensions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#recommended-configuration-file-organization">Recommended Confi [...]
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diff --git a/docs/0.16.0-incubating/configuration/indexing-service.html b/docs/0.16.0-incubating/configuration/indexing-service.html
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+++ b/docs/0.16.0-incubating/configuration/indexing-service.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../configuration/index.html#overlord">
+<meta http-equiv="refresh" content="0; url=../configuration/index.html#overlord">
+<h1>Redirecting...</h1>
+<a href="../configuration/index.html#overlord">Click here if you are not redirected.</a>
+<script>location="../configuration/index.html#overlord"</script>
diff --git a/docs/0.16.0-incubating/configuration/logging.html b/docs/0.16.0-incubating/configuration/logging.html
new file mode 100644
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--- /dev/null
+++ b/docs/0.16.0-incubating/configuration/logging.html
@@ -0,0 +1,133 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Logging · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Logging · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https://druid.apa [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Logging</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Apache Druid (incubating) processes will emit logs that are useful for debugging to the console. Druid processes also emit periodic metrics about their state. For more about metrics, see <a href="../configuration/index.html#enabling-metrics">Configuration</a>. Metric logs are printed to the console by default, and can be disabled with <code>-Ddruid.emitter.logging.logLevel=debug</code>.</p>
+<p>Druid uses <a href="http://logging.apache.org/log4j/2.x/">log4j2</a> for logging. Logging can be configured with a log4j2.xml file. Add the path to the directory containing the log4j2.xml file (e.g. the _common/ dir) to your classpath if you want to override default Druid log configuration. Note that this directory should be earlier in the classpath than the druid jars. The easiest way to do this is to prefix the classpath with the config dir.</p>
+<p>To enable java logging to go through log4j2, set the <code>-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager</code> server parameter.</p>
+<p>An example log4j2.xml ships with Druid under config/_common/log4j2.xml, and a sample file is also shown below:</p>
+<pre><code class="hljs"><span class="xml"><span class="hljs-meta"><?xml version="1.0" encoding="UTF-8" ?></span>
+<span class="hljs-tag"><<span class="hljs-name">Configuration</span> <span class="hljs-attr">status</span>=<span class="hljs-string">"WARN"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Appenders</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Console</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"Console"</span> <span class="hljs-attr">target</span>=<span class="hljs-string">"SYSTEM_OUT"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">PatternLayout</span> <span class="hljs-attr">pattern</span>=<span class="hljs-string">"%d</span></span></span><span class="hljs-template-variable">{ISO8601}</span><span class="xml"><span class="hljs-tag"><span class="hljs-string"> %p [%t] %c - %m%n"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">Console</span>></span>
+ <span class="hljs-tag"></<span class="hljs-name">Appenders</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Loggers</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Root</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"info"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">Root</span>></span>
+
+ <span class="hljs-comment"><!-- Uncomment to enable logging of all HTTP requests
+ <Logger name="org.apache.druid.jetty.RequestLog" additivity="false" level="DEBUG">
+ <AppenderRef ref="Console"/>
+ </Logger>
+ --></span>
+ <span class="hljs-tag"></<span class="hljs-name">Loggers</span>></span>
+<span class="hljs-tag"></<span class="hljs-name">Configuration</span>></span>
+</span></code></pre>
+<h2><a class="anchor" aria-hidden="true" id="my-logs-are-really-chatty-can-i-set-them-to-asynchronously-write"></a><a href="#my-logs-are-really-chatty-can-i-set-them-to-asynchronously-write" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 [...]
+<p>Yes, using a <code>log4j2.xml</code> similar to the following causes some of the more chatty classes to write asynchronously:</p>
+<pre><code class="hljs"><span class="xml"><span class="hljs-meta"><?xml version="1.0" encoding="UTF-8" ?></span>
+<span class="hljs-tag"><<span class="hljs-name">Configuration</span> <span class="hljs-attr">status</span>=<span class="hljs-string">"WARN"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Appenders</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Console</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"Console"</span> <span class="hljs-attr">target</span>=<span class="hljs-string">"SYSTEM_OUT"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">PatternLayout</span> <span class="hljs-attr">pattern</span>=<span class="hljs-string">"%d</span></span></span><span class="hljs-template-variable">{ISO8601}</span><span class="xml"><span class="hljs-tag"><span class="hljs-string"> %p [%t] %c - %m%n"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">Console</span>></span>
+ <span class="hljs-tag"></<span class="hljs-name">Appenders</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Loggers</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AsyncLogger</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"org.apache.druid.curator.inventory.CuratorInventoryManager"</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"debug"</span> <span class="hljs-attr">additivity</span>=<span class="hljs-string">"false"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">AsyncLogger</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AsyncLogger</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"org.apache.druid.client.BatchServerInventoryView"</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"debug"</span> <span class="hljs-attr">additivity</span>=<span class="hljs-string">"false"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">AsyncLogger</span>></span>
+ <span class="hljs-comment"><!-- Make extra sure nobody adds logs in a bad way that can hurt performance --></span>
+ <span class="hljs-tag"><<span class="hljs-name">AsyncLogger</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"org.apache.druid.client.ServerInventoryView"</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"debug"</span> <span class="hljs-attr">additivity</span>=<span class="hljs-string">"false"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">AsyncLogger</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AsyncLogger</span> <span class="hljs-attr">name</span> =<span class="hljs-string">"org.apache.druid.java.util.http.client.pool.ChannelResourceFactory"</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"info"</span> <span class="hljs-attr">additivity</span>=<span class="hljs-string">"false"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">AsyncLogger</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">Root</span> <span class="hljs-attr">level</span>=<span class="hljs-string">"info"</span>></span>
+ <span class="hljs-tag"><<span class="hljs-name">AppenderRef</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">"Console"</span>/></span>
+ <span class="hljs-tag"></<span class="hljs-name">Root</span>></span>
+ <span class="hljs-tag"></<span class="hljs-name">Loggers</span>></span>
+<span class="hljs-tag"></<span class="hljs-name">Configuration</span>></span>
+</span></code></pre>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions.html"><span class="arrow-prev">← </span><span>Extensions</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/operations/management-uis.html"><span>Management UIs</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#my-logs-are-really-chatty-can-i-set-them-to-asynchron [...]
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+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../tutorials/cluster.html">
+<meta http-equiv="refresh" content="0; url=../tutorials/cluster.html">
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+<a href="../tutorials/cluster.html">Click here if you are not redirected.</a>
+<script>location="../tutorials/cluster.html"</script>
diff --git a/docs/0.16.0-incubating/configuration/realtime.md b/docs/0.16.0-incubating/configuration/realtime.md
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../ingestion/standalone-realtime.html">
+<meta http-equiv="refresh" content="0; url=../ingestion/standalone-realtime.html">
+<h1>Redirecting...</h1>
+<a href="../ingestion/standalone-realtime.html">Click here if you are not redirected.</a>
+<script>location="../ingestion/standalone-realtime.html"</script>
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../tutorials/cluster.html">
+<meta http-equiv="refresh" content="0; url=../tutorials/cluster.html">
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+<a href="../tutorials/cluster.html">Click here if you are not redirected.</a>
+<script>location="../tutorials/cluster.html"</script>
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../dependencies/zookeeper.html">
+<meta http-equiv="refresh" content="0; url=../dependencies/zookeeper.html">
+<h1>Redirecting...</h1>
+<a href="../dependencies/zookeeper.html">Click here if you are not redirected.</a>
+<script>location="../dependencies/zookeeper.html"</script>
diff --git a/docs/0.16.0-incubating/dependencies/cassandra-deep-storage.md b/docs/0.16.0-incubating/dependencies/cassandra-deep-storage.md
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../development/extensions-contrib/cassandra.html">
+<meta http-equiv="refresh" content="0; url=../development/extensions-contrib/cassandra.html">
+<h1>Redirecting...</h1>
+<a href="../development/extensions-contrib/cassandra.html">Click here if you are not redirected.</a>
+<script>location="../development/extensions-contrib/cassandra.html"</script>
diff --git a/docs/0.16.0-incubating/dependencies/deep-storage.html b/docs/0.16.0-incubating/dependencies/deep-storage.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Deep storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Deep storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https:/ [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Deep storage</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Deep storage is where segments are stored. It is a storage mechanism that Apache Druid (incubating) does not provide. This deep storage infrastructure defines the level of durability of your data, as long as Druid processes can see this storage infrastructure and get at the segments stored on it, you will not lose data no matter how many Druid nodes you lose. If segments disappear from this storage layer, then you will lose whatever data those segments represented.</p>
+<h2><a class="anchor" aria-hidden="true" id="local-mount"></a><a href="#local-mount" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>A local mount can be used for storage of segments as well. This allows you to use just your local file system or anything else that can be mount locally like NFS, Ceph, etc. This is the default deep storage implementation.</p>
+<p>In order to use a local mount for deep storage, you need to set the following configuration in your common configs.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>local</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.storage.storageDirectory</code></td><td></td><td>Directory for storing segments.</td><td>Must be set.</td></tr>
+</tbody>
+</table>
+<p>Note that you should generally set <code>druid.storage.storageDirectory</code> to something different from <code>druid.segmentCache.locations</code> and <code>druid.segmentCache.infoDir</code>.</p>
+<p>If you are using the Hadoop indexer in local mode, then just give it a local file as your output directory and it will work.</p>
+<h2><a class="anchor" aria-hidden="true" id="s3-compatible"></a><a href="#s3-compatible" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>See <a href="/docs/0.16.0-incubating/development/extensions-core/s3.html">druid-s3-extensions extension documentation</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="hdfs"></a><a href="#hdfs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6 [...]
+<p>See <a href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html">druid-hdfs-storage extension documentation</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="additional-deep-stores"></a><a href="#additional-deep-stores" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>For additional deep stores, please see our <a href="/docs/0.16.0-incubating/development/extensions.html">extensions list</a>.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/processes.html"><span class="arrow-prev">← </span><span>Processes and servers</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/dependencies/metadata-storage.html"><span>Metadata storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#local-mount">Local Mount</a></li><li><a hr [...]
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diff --git a/docs/0.16.0-incubating/dependencies/metadata-storage.html b/docs/0.16.0-incubating/dependencies/metadata-storage.html
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@@ -0,0 +1,163 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Metadata storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Metadata storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Metadata storage</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>The Metadata Storage is an external dependency of Apache Druid (incubating). Druid uses it to store
+various metadata about the system, but not to store the actual data. There are
+a number of tables used for various purposes described below.</p>
+<p>Derby is the default metadata store for Druid, however, it is not suitable for production.
+<a href="/docs/0.16.0-incubating/development/extensions-core/mysql.html">MySQL</a> and <a href="/docs/0.16.0-incubating/development/extensions-core/postgresql.html">PostgreSQL</a> are more production suitable metadata stores.</p>
+<blockquote>
+<p>The Metadata Storage stores the entire metadata which is essential for a Druid cluster to work.
+For production clusters, consider using MySQL or PostgreSQL instead of Derby.
+Also, it's highly recommended to set up a high availability environment
+because there is no way to restore if you lose any metadata.</p>
+</blockquote>
+<h2><a class="anchor" aria-hidden="true" id="using-derby"></a><a href="#using-derby" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>Add the following to your Druid configuration.</p>
+<pre><code class="hljs css language-properties"><span class="hljs-meta">druid.metadata.storage.type</span>=<span class="hljs-string">derby</span>
+<span class="hljs-meta">druid.metadata.storage.connector.connectURI</span>=<span class="hljs-string">jdbc:derby://localhost:1527//opt/var/druid_state/derby;create=true</span>
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="mysql"></a><a href="#mysql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
+<p>See <a href="/docs/0.16.0-incubating/development/extensions-core/mysql.html">mysql-metadata-storage extension documentation</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="postgresql"></a><a href="#postgresql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>See <a href="/docs/0.16.0-incubating/development/extensions-core/postgresql.html">postgresql-metadata-storage</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="adding-custom-dbcp-properties"></a><a href="#adding-custom-dbcp-properties" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>NOTE: These properties are not settable through the druid.metadata.storage.connector.dbcp properties : username, password, connectURI, validationQuery, testOnBorrow. These must be set through druid.metadata.storage.connector properties.</p>
+<p>Example supported properties:</p>
+<pre><code class="hljs css language-properties"><span class="hljs-meta">druid.metadata.storage.connector.dbcp.maxConnLifetimeMillis</span>=<span class="hljs-string">1200000</span>
+<span class="hljs-meta">druid.metadata.storage.connector.dbcp.defaultQueryTimeout</span>=<span class="hljs-string">30000</span>
+</code></pre>
+<p>See <a href="https://commons.apache.org/proper/commons-dbcp/configuration.html">BasicDataSource Configuration</a> for full list.</p>
+<h2><a class="anchor" aria-hidden="true" id="metadata-storage-tables"></a><a href="#metadata-storage-tables" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<h3><a class="anchor" aria-hidden="true" id="segments-table"></a><a href="#segments-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>This is dictated by the <code>druid.metadata.storage.tables.segments</code> property.</p>
+<p>This table stores metadata about the segments that are available in the system.
+The table is polled by the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> to
+determine the set of segments that should be available for querying in the
+system. The table has two main functional columns, the other columns are for
+indexing purposes.</p>
+<p>The <code>used</code> column is a boolean "tombstone". A 1 means that the segment should
+be "used" by the cluster (i.e. it should be loaded and available for requests).
+A 0 means that the segment should not be actively loaded into the cluster. We
+do this as a means of removing segments from the cluster without actually
+removing their metadata (which allows for simpler rolling back if that is ever
+an issue).</p>
+<p>The <code>payload</code> column stores a JSON blob that has all of the metadata for the segment (some of the data stored in this payload is redundant with some of the columns in the table, that is intentional). This looks something like</p>
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"dataSource"</span>:<span class="hljs-string">"wikipedia"</span>,
+ <span class="hljs-attr">"interval"</span>:<span class="hljs-string">"2012-05-23T00:00:00.000Z/2012-05-24T00:00:00.000Z"</span>,
+ <span class="hljs-attr">"version"</span>:<span class="hljs-string">"2012-05-24T00:10:00.046Z"</span>,
+ <span class="hljs-attr">"loadSpec"</span>:{
+ <span class="hljs-attr">"type"</span>:<span class="hljs-string">"s3_zip"</span>,
+ <span class="hljs-attr">"bucket"</span>:<span class="hljs-string">"bucket_for_segment"</span>,
+ <span class="hljs-attr">"key"</span>:<span class="hljs-string">"path/to/segment/on/s3"</span>
+ },
+ <span class="hljs-attr">"dimensions"</span>:<span class="hljs-string">"comma-delimited-list-of-dimension-names"</span>,
+ <span class="hljs-attr">"metrics"</span>:<span class="hljs-string">"comma-delimited-list-of-metric-names"</span>,
+ <span class="hljs-attr">"shardSpec"</span>:{<span class="hljs-attr">"type"</span>:<span class="hljs-string">"none"</span>},
+ <span class="hljs-attr">"binaryVersion"</span>:<span class="hljs-number">9</span>,
+ <span class="hljs-attr">"size"</span>:size_of_segment,
+ <span class="hljs-attr">"identifier"</span>:<span class="hljs-string">"wikipedia_2012-05-23T00:00:00.000Z_2012-05-24T00:00:00.000Z_2012-05-23T00:10:00.046Z"</span>
+}
+</code></pre>
+<p>Note that the format of this blob can and will change from time-to-time.</p>
+<h3><a class="anchor" aria-hidden="true" id="rule-table"></a><a href="#rule-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>The rule table is used to store the various rules about where segments should
+land. These rules are used by the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a>
+when making segment (re-)allocation decisions about the cluster.</p>
+<h3><a class="anchor" aria-hidden="true" id="config-table"></a><a href="#config-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>The config table is used to store runtime configuration objects. We do not have
+many of these yet and we are not sure if we will keep this mechanism going
+forward, but it is the beginnings of a method of changing some configuration
+parameters across the cluster at runtime.</p>
+<h3><a class="anchor" aria-hidden="true" id="task-related-tables"></a><a href="#task-related-tables" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>There are also a number of tables created and used by the <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a> and <a href="/docs/0.16.0-incubating/design/middlemanager.html">MiddleManager</a> when managing tasks.</p>
+<h3><a class="anchor" aria-hidden="true" id="audit-table"></a><a href="#audit-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>The Audit table is used to store the audit history for configuration changes
+e.g rule changes done by <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and other
+config changes.</p>
+<p>##Accessed by: ##</p>
+<p>The Metadata Storage is accessed only by:</p>
+<ol>
+<li>Indexing Service Processes (if any)</li>
+<li>Realtime Processes (if any)</li>
+<li>Coordinator Processes</li>
+</ol>
+<p>Thus you need to give permissions (eg in AWS Security Groups) only for these machines to access the Metadata storage.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/dependencies/deep-storage.html"><span class="arrow-prev">← </span><span>Deep storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/dependencies/zookeeper.html"><span class="function-name-prevnext">ZooKeeper</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#using-derby">Using Derby< [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>ZooKeeper · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="ZooKeeper · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https://druid [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
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+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">ZooKeeper</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Apache Druid (incubating) uses <a href="http://zookeeper.apache.org/">Apache ZooKeeper</a> (ZK) for management of current cluster state. The operations that happen over ZK are</p>
+<ol>
+<li><a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> leader election</li>
+<li>Segment "publishing" protocol from <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a></li>
+<li>Segment load/drop protocol between <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a></li>
+<li><a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a> leader election</li>
+<li><a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a> and <a href="/docs/0.16.0-incubating/design/middlemanager.html">MiddleManager</a> task management</li>
+</ol>
+<h3><a class="anchor" aria-hidden="true" id="coordinator-leader-election"></a><a href="#coordinator-leader-election" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>We use the Curator LeadershipLatch recipe to do leader election at path</p>
+<pre><code class="hljs">${druid<span class="hljs-selector-class">.zk</span><span class="hljs-selector-class">.paths</span><span class="hljs-selector-class">.coordinatorPath</span>}/_COORDINATOR
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="segment-publishing-protocol-from-historical-and-realtime"></a><a href="#segment-publishing-protocol-from-historical-and-realtime" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.2 [...]
+<p>The <code>announcementsPath</code> and <code>servedSegmentsPath</code> are used for this.</p>
+<p>All <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a> processes publish themselves on the <code>announcementsPath</code>, specifically, they will create an ephemeral znode at</p>
+<pre><code class="hljs">${druid<span class="hljs-selector-class">.zk</span><span class="hljs-selector-class">.paths</span><span class="hljs-selector-class">.announcementsPath</span>}/${druid.host}
+</code></pre>
+<p>Which signifies that they exist. They will also subsequently create a permanent znode at</p>
+<pre><code class="hljs">${druid<span class="hljs-selector-class">.zk</span><span class="hljs-selector-class">.paths</span><span class="hljs-selector-class">.servedSegmentsPath</span>}/${druid.host}
+</code></pre>
+<p>And as they load up segments, they will attach ephemeral znodes that look like</p>
+<pre><code class="hljs">${druid<span class="hljs-selector-class">.zk</span><span class="hljs-selector-class">.paths</span><span class="hljs-selector-class">.servedSegmentsPath</span>}/${druid.host}/_segment_identifier_
+</code></pre>
+<p>Processes like the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and <a href="/docs/0.16.0-incubating/design/broker.html">Broker</a> can then watch these paths to see which processes are currently serving which segments.</p>
+<h3><a class="anchor" aria-hidden="true" id="segment-load-drop-protocol-between-coordinator-and-historical"></a><a href="#segment-load-drop-protocol-between-coordinator-and-historical" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-. [...]
+<p>The <code>loadQueuePath</code> is used for this.</p>
+<p>When the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> decides that a <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a> process should load or drop a segment, it writes an ephemeral znode to</p>
+<pre><code class="hljs">${druid<span class="hljs-selector-class">.zk</span><span class="hljs-selector-class">.paths</span><span class="hljs-selector-class">.loadQueuePath</span>}/_host_of_historical_process/_segment_identifier
+</code></pre>
+<p>This znode will contain a payload that indicates to the Historical process what it should do with the given segment. When the Historical process is done with the work, it will delete the znode in order to signify to the Coordinator that it is complete.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/dependencies/metadata-storage.html"><span class="arrow-prev">← </span><span>Metadata storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/ingestion/index.html"><span>Ingestion</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div cl [...]
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diff --git a/docs/0.16.0-incubating/design/architecture.html b/docs/0.16.0-incubating/design/architecture.html
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@@ -0,0 +1,252 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Design · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Design · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https://druid.apach [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
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+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Design</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Druid has a multi-process, distributed architecture that is designed to be cloud-friendly and easy to operate. Each
+Druid process type can be configured and scaled independently, giving you maximum flexibility over your cluster. This
+design also provides enhanced fault tolerance: an outage of one component will not immediately affect other components.</p>
+<h2><a class="anchor" aria-hidden="true" id="processes-and-servers"></a><a href="#processes-and-servers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>Druid has several process types, briefly described below:</p>
+<ul>
+<li><a href="/docs/0.16.0-incubating/design/coordinator.html"><strong>Coordinator</strong></a> processes manage data availability on the cluster.</li>
+<li><a href="/docs/0.16.0-incubating/design/overlord.html"><strong>Overlord</strong></a> processes control the assignment of data ingestion workloads.</li>
+<li><a href="/docs/0.16.0-incubating/design/broker.html"><strong>Broker</strong></a> processes handle queries from external clients.</li>
+<li><a href="/docs/0.16.0-incubating/design/router.html"><strong>Router</strong></a> processes are optional processes that can route requests to Brokers, Coordinators, and Overlords.</li>
+<li><a href="/docs/0.16.0-incubating/design/historical.html"><strong>Historical</strong></a> processes store queryable data.</li>
+<li><a href="/docs/0.16.0-incubating/design/middlemanager.html"><strong>MiddleManager</strong></a> processes are responsible for ingesting data.</li>
+</ul>
+<p>Druid processes can be deployed any way you like, but for ease of deployment we suggest organizing them into three server types: Master, Query, and Data.</p>
+<ul>
+<li><strong>Master</strong>: Runs Coordinator and Overlord processes, manages data availability and ingestion.</li>
+<li><strong>Query</strong>: Runs Broker and optional Router processes, handles queries from external clients.</li>
+<li><strong>Data</strong>: Runs Historical and MiddleManager processes, executes ingestion workloads and stores all queryable data.</li>
+</ul>
+<p>For more details on process and server organization, please see <a href="/docs/0.16.0-incubating/design/processes.html">Druid Processses and Servers</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="external-dependencies"></a><a href="#external-dependencies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>In addition to its built-in process types, Druid also has three external dependencies. These are intended to be able to
+leverage existing infrastructure, where present.</p>
+<h3><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Shared file storage accessible by every Druid server. In a clustered deployment, this is typically going to
+be a distributed object store like S3 or HDFS, or a network mounted filesystem. In a single-server deployment,
+this is typically going to be local disk. Druid uses deep storage to store any data that has been ingested into the
+system.</p>
+<p>Druid uses deep storage only as a backup of your data and as a way to transfer data in the background between
+Druid processes. To respond to queries, Historical processes do not read from deep storage, but instead read pre-fetched
+segments from their local disks before any queries are served. This means that Druid never needs to access deep storage
+during a query, helping it offer the best query latencies possible. It also means that you must have enough disk space
+both in deep storage and across your Historical processes for the data you plan to load.</p>
+<p>Deep storage is an important part of Druid's elastic, fault-tolerant design. Druid can bootstrap from deep storage even
+if every single data server is lost and re-provisioned.</p>
+<p>For more details, please see the <a href="/docs/0.16.0-incubating/dependencies/deep-storage.html">Deep storage</a> page.</p>
+<h3><a class="anchor" aria-hidden="true" id="metadata-storage"></a><a href="#metadata-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>The metadata storage holds various shared system metadata such as segment availability information and task information.
+In a clustered deployment, this is typically going to be a traditional RDBMS like PostgreSQL or MySQL. In a single-server
+deployment, it is typically going to be a locally-stored Apache Derby database.</p>
+<p>For more details, please see the <a href="/docs/0.16.0-incubating/dependencies/metadata-storage.html">Metadata storage</a> page.</p>
+<h3><a class="anchor" aria-hidden="true" id="zookeeper"></a><a href="#zookeeper" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
+<p>Used for internal service discovery, coordination, and leader election.</p>
+<p>For more details, please see the <a href="/docs/0.16.0-incubating/dependencies/zookeeper.html">ZooKeeper</a> page.</p>
+<h2><a class="anchor" aria-hidden="true" id="architecture-diagram"></a><a href="#architecture-diagram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>The following diagram shows how queries and data flow through this architecture, using the suggested Master/Query/Data server organization:</p>
+<p><img src="../assets/druid-architecture.png" width="800"/></p>
+<h2><a class="anchor" aria-hidden="true" id="storage-design"></a><a href="#storage-design" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h3><a class="anchor" aria-hidden="true" id="datasources-and-segments"></a><a href="#datasources-and-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>Druid data is stored in "datasources", which are similar to tables in a traditional RDBMS. Each datasource is
+partitioned by time and, optionally, further partitioned by other attributes. Each time range is called a "chunk" (for
+example, a single day, if your datasource is partitioned by day). Within a chunk, data is partitioned into one or more
+<a href="/docs/0.16.0-incubating/design/segments.html">"segments"</a>. Each segment is a single file, typically comprising up to a few million rows of data. Since segments are
+organized into time chunks, it's sometimes helpful to think of segments as living on a timeline like the following:</p>
+<p><img src="../assets/druid-timeline.png" width="800" /></p>
+<p>A datasource may have anywhere from just a few segments, up to hundreds of thousands and even millions of segments. Each
+segment starts life off being created on a MiddleManager, and at that point, is mutable and uncommitted. The segment
+building process includes the following steps, designed to produce a data file that is compact and supports fast
+queries:</p>
+<ul>
+<li>Conversion to columnar format</li>
+<li>Indexing with bitmap indexes</li>
+<li>Compression using various algorithms
+<ul>
+<li>Dictionary encoding with id storage minimization for String columns</li>
+<li>Bitmap compression for bitmap indexes</li>
+<li>Type-aware compression for all columns</li>
+</ul></li>
+</ul>
+<p>Periodically, segments are committed and published. At this point, they are written to <a href="#deep-storage">deep storage</a>,
+become immutable, and move from MiddleManagers to the Historical processes. An entry about the segment is also written
+to the <a href="#metadata-storage">metadata store</a>. This entry is a self-describing bit of metadata about the segment, including
+things like the schema of the segment, its size, and its location on deep storage. These entries are what the
+Coordinator uses to know what data <em>should</em> be available on the cluster.</p>
+<p>For details on the segment file format, please see <a href="segments.html">segment files</a>.</p>
+<p>For details on modeling your data in Druid, see <a href="/docs/0.16.0-incubating/ingestion/schema-design.html">schema design</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="indexing-and-handoff"></a><a href="#indexing-and-handoff" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p><em>Indexing</em> is the mechanism by which new segments are created, and <em>handoff</em> is the mechanism by which they are published
+and begin being served by Historical processes. The mechanism works like this on the indexing side:</p>
+<ol>
+<li>An <em>indexing task</em> starts running and building a new segment. It must determine the identifier of the segment before
+it starts building it. For a task that is appending (like a Kafka task, or an index task in append mode) this will be
+done by calling an "allocate" API on the Overlord to potentially add a new partition to an existing set of segments. For
+a task that is overwriting (like a Hadoop task, or an index task <em>not</em> in append mode) this is done by locking an
+interval and creating a new version number and new set of segments.</li>
+<li>If the indexing task is a realtime task (like a Kafka task) then the segment is immediately queryable at this point.
+It's available, but unpublished.</li>
+<li>When the indexing task has finished reading data for the segment, it pushes it to deep storage and then publishes it
+by writing a record into the metadata store.</li>
+<li>If the indexing task is a realtime task, at this point it waits for a Historical process to load the segment. If the
+indexing task is not a realtime task, it exits immediately.</li>
+</ol>
+<p>And like this on the Coordinator / Historical side:</p>
+<ol>
+<li>The Coordinator polls the metadata store periodically (by default, every 1 minute) for newly published segments.</li>
+<li>When the Coordinator finds a segment that is published and used, but unavailable, it chooses a Historical process
+to load that segment and instructs that Historical to do so.</li>
+<li>The Historical loads the segment and begins serving it.</li>
+<li>At this point, if the indexing task was waiting for handoff, it will exit.</li>
+</ol>
+<h3><a class="anchor" aria-hidden="true" id="segment-identifiers"></a><a href="#segment-identifiers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Segments all have a four-part identifier with the following components:</p>
+<ul>
+<li>Datasource name.</li>
+<li>Time interval (for the time chunk containing the segment; this corresponds to the <code>segmentGranularity</code> specified
+at ingestion time).</li>
+<li>Version number (generally an ISO8601 timestamp corresponding to when the segment set was first started).</li>
+<li>Partition number (an integer, unique within a datasource+interval+version; may not necessarily be contiguous).</li>
+</ul>
+<p>For example, this is the identifier for a segment in datasource <code>clarity-cloud0</code>, time chunk
+<code>2018-05-21T16:00:00.000Z/2018-05-21T17:00:00.000Z</code>, version <code>2018-05-21T15:56:09.909Z</code>, and partition number 1:</p>
+<pre><code class="hljs">clarity-cloud0_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T16:<span class="hljs-number">00</span>:<span class="hljs-number">00.000</span>Z_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T17:<span class="hljs-number">00</span>:<span class="hljs-number">00.000</span>Z_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T15:<span class="hljs-number">56</span>:<span class="hljs-numbe [...]
+</code></pre>
+<p>Segments with partition number 0 (the first partition in a chunk) omit the partition number, like the following
+example, which is a segment in the same time chunk as the previous one, but with partition number 0 instead of 1:</p>
+<pre><code class="hljs">clarity-cloud0_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T16:<span class="hljs-number">00</span>:<span class="hljs-number">00.000</span>Z_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T17:<span class="hljs-number">00</span>:<span class="hljs-number">00.000</span>Z_2018<span class="hljs-number">-05</span><span class="hljs-number">-21</span>T15:<span class="hljs-number">56</span>:<span class="hljs-numbe [...]
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="segment-versioning"></a><a href="#segment-versioning" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>You may be wondering what the "version number" described in the previous section is for. Or, you might not be, in which
+case good for you and you can skip this section!</p>
+<p>It's there to support batch-mode overwriting. In Druid, if all you ever do is append data, then there will be just a
+single version for each time chunk. But when you overwrite data, what happens behind the scenes is that a new set of
+segments is created with the same datasource, same time interval, but a higher version number. This is a signal to the
+rest of the Druid system that the older version should be removed from the cluster, and the new version should replace
+it.</p>
+<p>The switch appears to happen instantaneously to a user, because Druid handles this by first loading the new data (but
+not allowing it to be queried), and then, as soon as the new data is all loaded, switching all new queries to use those
+new segments. Then it drops the old segments a few minutes later.</p>
+<h3><a class="anchor" aria-hidden="true" id="segment-lifecycle"></a><a href="#segment-lifecycle" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>Each segment has a lifecycle that involves the following three major areas:</p>
+<ol>
+<li><strong>Metadata store:</strong> Segment metadata (a small JSON payload generally no more than a few KB) is stored in the
+<a href="/docs/0.16.0-incubating/dependencies/metadata-storage.html">metadata store</a> once a segment is done being constructed. The act of inserting
+a record for a segment into the metadata store is called <em>publishing</em>. These metadata records have a boolean flag
+named <code>used</code>, which controls whether the segment is intended to be queryable or not. Segments created by realtime tasks will be
+available before they are published, since they are only published when the segment is complete and will not accept
+any additional rows of data.</li>
+<li><strong>Deep storage:</strong> Segment data files are pushed to deep storage once a segment is done being constructed. This
+happens immediately before publishing metadata to the metadata store.</li>
+<li><strong>Availability for querying:</strong> Segments are available for querying on some Druid data server, like a realtime task
+or a Historical process.</li>
+</ol>
+<p>You can inspect the state of currently active segments using the Druid SQL
+<a href="/docs/0.16.0-incubating/querying/sql.html#segments-table"><code>sys.segments</code> table</a>. It includes the following flags:</p>
+<ul>
+<li><code>is_published</code>: True if segment metadata has been published to the metadata stored and <code>used</code> is true.</li>
+<li><code>is_available</code>: True if the segment is currently available for querying, either on a realtime task or Historical
+process.</li>
+<li><code>is_realtime</code>: True if the segment is <em>only</em> available on realtime tasks. For datasources that use realtime ingestion,
+this will generally start off <code>true</code> and then become <code>false</code> as the segment is published and handed off.</li>
+<li><code>is_overshadowed</code>: True if the segment is published (with <code>used</code> set to true) and is fully overshadowed by some other
+published segments. Generally this is a transient state, and segments in this state will soon have their <code>used</code> flag
+automatically set to false.</li>
+</ul>
+<h2><a class="anchor" aria-hidden="true" id="query-processing"></a><a href="#query-processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>Queries first enter the <a href="/docs/0.16.0-incubating/design/broker.html">Broker</a>, where the Broker will identify which segments have data that may pertain to that query.
+The list of segments is always pruned by time, and may also be pruned by other attributes depending on how your
+datasource is partitioned. The Broker will then identify which <a href="/docs/0.16.0-incubating/design/historical.html">Historicals</a> and
+<a href="/docs/0.16.0-incubating/design/middlemanager.html">MiddleManagers</a> are serving those segments and send a rewritten subquery to each of those processes. The Historical/MiddleManager processes will take in the
+queries, process them and return results. The Broker receives results and merges them together to get the final answer,
+which it returns to the original caller.</p>
+<p>Broker pruning is an important way that Druid limits the amount of data that must be scanned for each query, but it is
+not the only way. For filters at a more granular level than what the Broker can use for pruning, indexing structures
+inside each segment allow Druid to figure out which (if any) rows match the filter set before looking at any row of
+data. Once Druid knows which rows match a particular query, it only accesses the specific columns it needs for that
+query. Within those columns, Druid can skip from row to row, avoiding reading data that doesn't match the query filter.</p>
+<p>So Druid uses three different techniques to maximize query performance:</p>
+<ul>
+<li>Pruning which segments are accessed for each query.</li>
+<li>Within each segment, using indexes to identify which rows must be accessed.</li>
+<li>Within each segment, only reading the specific rows and columns that are relevant to a particular query.</li>
+</ul>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/tutorials/tutorial-kerberos-hadoop.html"><span class="arrow-prev">← </span><span>Kerberized HDFS deep storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/segments.html"><span>Segments</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#processes-and-servers">Processes and Se [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Authentication and Authorization · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Authentication and Authorization · Apache Druid"/><meta property="og:type" content="website"/> [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Authentication and Authorization</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
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+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
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+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>This document describes non-extension specific Apache Druid (incubating) authentication and authorization configurations.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Type</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.auth.authenticatorChain</code></td><td>JSON List of Strings</td><td>List of Authenticator type names</td><td>["allowAll"]</td><td>no</td></tr>
+<tr><td><code>druid.escalator.type</code></td><td>String</td><td>Type of the Escalator that should be used for internal Druid communications. This Escalator must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>.</td><td>"noop"</td><td>no</td></tr>
+<tr><td><code>druid.auth.authorizers</code></td><td>JSON List of Strings</td><td>List of Authorizer type names</td><td>["allowAll"]</td><td>no</td></tr>
+<tr><td><code>druid.auth.unsecuredPaths</code></td><td>List of Strings</td><td>List of paths for which security checks will not be performed. All requests to these paths will be allowed.</td><td>[]</td><td>no</td></tr>
+<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS pre-flight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information abou [...]
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="enabling-authentication-authorizationloadinglookuptest"></a><a href="#enabling-authentication-authorizationloadinglookuptest" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 [...]
+<h2><a class="anchor" aria-hidden="true" id="authenticator-chain"></a><a href="#authenticator-chain" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Authentication decisions are handled by a chain of Authenticator instances. A request will be checked by Authenticators in the sequence defined by the <code>druid.auth.authenticatorChain</code>.</p>
+<p>Authenticator implementions are provided by extensions.</p>
+<p>For example, the following authentication chain definition enables the Kerberos and HTTP Basic authenticators, from the <code>druid-kerberos</code> and <code>druid-basic-security</code> core extensions, respectively:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-class">.authenticatorChain</span>=[<span class="hljs-string">"kerberos"</span>, <span class="hljs-string">"basic"</span>]
+</code></pre>
+<p>A request will pass through all Authenticators in the chain, until one of the Authenticators successfully authenticates the request or sends an HTTP error response. Authenticators later in the chain will be skipped after the first successful authentication or if the request is terminated with an error response.</p>
+<p>If no Authenticator in the chain successfully authenticated a request or sent an HTTP error response, an HTTP error response will be sent at the end of the chain.</p>
+<p>Druid includes two built-in Authenticators, one of which is used for the default unsecured configuration.</p>
+<h3><a class="anchor" aria-hidden="true" id="allowall-authenticator"></a><a href="#allowall-authenticator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>This built-in Authenticator authenticates all requests, and always directs them to an Authorizer named "allowAll". It is not intended to be used for anything other than the default unsecured configuration.</p>
+<h3><a class="anchor" aria-hidden="true" id="anonymous-authenticator"></a><a href="#anonymous-authenticator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>This built-in Authenticator authenticates all requests, and directs them to an Authorizer specified in the configuration by the user. It is intended to be used for adding a default level of access so
+the Anonymous Authenticator should be added to the end of the authentication chain. A request that reaches the Anonymous Authenticator at the end of the chain will succeed or fail depending on how the Authorizer linked to the Anonymous Authenticator is configured.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.auth.authenticator.<authenticatorName>.authorizerName</code></td><td>Authorizer that requests should be directed to.</td><td>N/A</td><td>Yes</td></tr>
+<tr><td><code>druid.auth.authenticator.<authenticatorName>.identity</code></td><td>The identity of the requester.</td><td>defaultUser</td><td>No</td></tr>
+</tbody>
+</table>
+<p>To use the Anonymous Authenticator, add an authenticator with type <code>anonymous</code> to the authenticatorChain.</p>
+<p>For example, the following enables the Anonymous Authenticator with the <code>druid-basic-security</code> extension:</p>
+<pre><code class="hljs"><span class="hljs-attr">druid.auth.authenticatorChain</span>=[<span class="hljs-string">"basic"</span>, <span class="hljs-string">"anonymous"</span>]
+
+<span class="hljs-attr">druid.auth.authenticator.anonymous.type</span>=anonymous
+<span class="hljs-attr">druid.auth.authenticator.anonymous.identity</span>=defaultUser
+<span class="hljs-attr">druid.auth.authenticator.anonymous.authorizerName</span>=myBasicAuthorizer
+
+<span class="hljs-comment"># ... usual configs for basic authentication would go here ...</span>
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="escalator"></a><a href="#escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
+<p>The <code>druid.escalator.type</code> property determines what authentication scheme should be used for internal Druid cluster communications (such as when a Broker process communicates with Historical processes for query processing).</p>
+<p>The Escalator chosen for this property must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>. Authenticator extension implementors must also provide a corresponding Escalator implementation if they intend to use a particular authentication scheme for internal Druid communications.</p>
+<h3><a class="anchor" aria-hidden="true" id="noop-escalator"></a><a href="#noop-escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>This built-in default Escalator is intended for use only with the default AllowAll Authenticator and Authorizer.</p>
+<h2><a class="anchor" aria-hidden="true" id="authorizers"></a><a href="#authorizers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>Authorization decisions are handled by an Authorizer. The <code>druid.auth.authorizers</code> property determines what Authorizer implementations will be active.</p>
+<p>There are two built-in Authorizers, "default" and "noop". Other implementations are provided by extensions.</p>
+<p>For example, the following authorizers definition enables the "basic" implementation from <code>druid-basic-security</code>:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-class">.authorizers</span>=[<span class="hljs-string">"basic"</span>]
+</code></pre>
+<p>Only a single Authorizer will authorize any given request.</p>
+<p>Druid includes one built in authorizer:</p>
+<h3><a class="anchor" aria-hidden="true" id="allowall-authorizer"></a><a href="#allowall-authorizer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>The Authorizer with type name "allowAll" accepts all requests.</p>
+<h2><a class="anchor" aria-hidden="true" id="default-unsecured-configuration"></a><a href="#default-unsecured-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 [...]
+<p>When <code>druid.auth.authenticationChain</code> is left empty or unspecified, Druid will create an authentication chain with a single AllowAll Authenticator named "allowAll".</p>
+<p>When <code>druid.auth.authorizers</code> is left empty or unspecified, Druid will create a single AllowAll Authorizer named "allowAll".</p>
+<p>The default value of <code>druid.escalator.type</code> is "noop" to match the default unsecured Authenticator/Authorizer configurations.</p>
+<h2><a class="anchor" aria-hidden="true" id="authenticator-to-authorizer-routing"></a><a href="#authenticator-to-authorizer-routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
+<p>When an Authenticator successfully authenticates a request, it must attach a AuthenticationResult to the request, containing an information about the identity of the requester, as well as the name of the Authorizer that should authorize the authenticated request.</p>
+<p>An Authenticator implementation should provide some means through configuration to allow users to select what Authorizer(s) the Authenticator should route requests to.</p>
+<h2><a class="anchor" aria-hidden="true" id="internal-system-user"></a><a href="#internal-system-user" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Internal requests between Druid processes (non-user initiated communications) need to have authentication credentials attached.</p>
+<p>These requests should be run as an "internal system user", an identity that represents the Druid cluster itself, with full access permissions.</p>
+<p>The details of how the internal system user is defined is left to extension implementations.</p>
+<h3><a class="anchor" aria-hidden="true" id="authorizer-internal-system-user-handling"></a><a href="#authorizer-internal-system-user-handling" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 [...]
+<p>Authorizers implementations must recognize and authorize an identity for the "internal system user", with full access permissions.</p>
+<h3><a class="anchor" aria-hidden="true" id="authenticator-and-escalator-internal-system-user-handling"></a><a href="#authenticator-and-escalator-internal-system-user-handling" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1 [...]
+<p>An Authenticator implementation that is intended to support internal Druid communications must recognize credentials for the "internal system user", as provided by a corresponding Escalator implementation.</p>
+<p>An Escalator must implement three methods related to the internal system user:</p>
+<pre><code class="hljs css language-java"> <span class="hljs-function"><span class="hljs-keyword">public</span> HttpClient <span class="hljs-title">createEscalatedClient</span><span class="hljs-params">(HttpClient baseClient)</span></span>;
+
+ <span class="hljs-keyword">public</span> org.eclipse.jetty.client.<span class="hljs-function">HttpClient <span class="hljs-title">createEscalatedJettyClient</span><span class="hljs-params">(org.eclipse.jetty.client.HttpClient baseClient)</span></span>;
+
+ <span class="hljs-function"><span class="hljs-keyword">public</span> AuthenticationResult <span class="hljs-title">createEscalatedAuthenticationResult</span><span class="hljs-params">()</span></span>;
+</code></pre>
+<p><code>createEscalatedClient</code> returns an wrapped HttpClient that attaches the credentials of the "internal system user" to requests.</p>
+<p><code>createEscalatedJettyClient</code> is similar to <code>createEscalatedClient</code>, except that it operates on a Jetty HttpClient.</p>
+<p><code>createEscalatedAuthenticationResult</code> returns an AuthenticationResult containing the identity of the "internal system user".</p>
+<h2><a class="anchor" aria-hidden="true" id="reserved-name-configuration-property"></a><a href="#reserved-name-configuration-property" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 [...]
+<p>For extension implementers, please note that the following configuration properties are reserved for the names of Authenticators and Authorizers:</p>
+<pre><code class="hljs">druid.auth.authenticator.<authenticator-<span class="hljs-built_in">name</span>>.<span class="hljs-built_in">name</span>=<authenticator-<span class="hljs-built_in">name</span>>
+druid.auth.authorizer.<authorizer-<span class="hljs-built_in">name</span>>.<span class="hljs-built_in">name</span>=<authorizer-<span class="hljs-built_in">name</span>>
+
+</code></pre>
+<p>These properties provide the authenticator and authorizer names to the implementations as @JsonProperty parameters, potentially useful when multiple authenticators or authorizers of the same type are configured.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html"><span class="arrow-prev">← </span><span>Apache Druid vs SQL-on-Hadoop</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/broker.html"><span>Broker</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#enabling-authentication-authorizationloadi [...]
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+ ~
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+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Broker Process Configuration, see <a href="../configuration/index.html#broker">Broker Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Broker, see <a href="../operations/api-reference.html#broker">Broker API</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>The Broker is the process to route queries to if you want to run a distributed cluster. It understands the metadata published to ZooKeeper about what segments exist on what processes and routes queries such that they hit the right processes. This process also merges the result sets from all of the individual processes together.
+On start up, Historical processes announce themselves and the segments they are serving in Zookeeper.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>broker
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="forwarding-queries"></a><a href="#forwarding-queries" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Most Druid queries contain an interval object that indicates a span of time for which data is requested. Likewise, Druid <a href="/docs/0.16.0-incubating/design/segments.html">Segments</a> are partitioned to contain data for some interval of time and segments are distributed across a cluster. Consider a simple datasource with 7 segments where each segment contains data for a given day of the week. Any query issued to the datasource for more than one day of data will hit more than one [...]
+<p>To determine which processes to forward queries to, the Broker process first builds a view of the world from information in Zookeeper. Zookeeper maintains information about <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a> and streaming ingestion <a href="/docs/0.16.0-incubating/design/peons.html">Peon</a> processes and the segments they are serving. For every datasource in Zookeeper, the Broker process builds a timeline of segments and the processes that serve t [...]
+<h3><a class="anchor" aria-hidden="true" id="caching"></a><a href="#caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<p>Broker processes employ a cache with a LRU cache invalidation strategy. The Broker cache stores per-segment results. The cache can be local to each Broker process or shared across multiple processes using an external distributed cache such as <a href="http://memcached.org/">memcached</a>. Each time a broker process receives a query, it first maps the query to a set of segments. A subset of these segment results may already exist in the cache and the results can be directly pulled from [...]
+Historical processes. Once the Historical processes return their results, the Broker will store those results in the cache. Real-time segments are never cached and hence requests for real-time data will always be forwarded to real-time processes. Real-time data is perpetually changing and caching the results would be unreliable.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/auth.html"><span class="arrow-prev">← </span><span>Authentication and Authorization</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/coordinator.html"><span>Coordinator Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="contain [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Coordinator Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
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+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Coordinator Process Configuration, see <a href="../configuration/index.html#coordinator">Coordinator Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Coordinator, see <a href="../operations/api-reference.html#coordinator">Coordinator API</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>The Druid Coordinator process is primarily responsible for segment management and distribution. More specifically, the Druid Coordinator process communicates to Historical processes to load or drop segments based on configurations. The Druid Coordinator is responsible for loading new segments, dropping outdated segments, managing segment replication, and balancing segment load.</p>
+<p>The Druid Coordinator runs periodically and the time between each run is a configurable parameter. Each time the Druid Coordinator runs, it assesses the current state of the cluster before deciding on the appropriate actions to take. Similar to the Broker and Historical processses, the Druid Coordinator maintains a connection to a Zookeeper cluster for current cluster information. The Coordinator also maintains a connection to a database containing information about available segments [...]
+<p>Before any unassigned segments are serviced by Historical processes, the available Historical processes for each tier are first sorted in terms of capacity, with least capacity servers having the highest priority. Unassigned segments are always assigned to the processes with least capacity to maintain a level of balance between processes. The Coordinator does not directly communicate with a historical process when assigning it a new segment; instead the Coordinator creates some tempor [...]
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>coordinator
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="rules"></a><a href="#rules" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
+<p>Segments can be automatically loaded and dropped from the cluster based on a set of rules. For more information on rules, see <a href="/docs/0.16.0-incubating/operations/rule-configuration.html">Rule Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="cleaning-up-segments"></a><a href="#cleaning-up-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Each run, the Druid coordinator compares the list of available database segments in the database with the current segments in the cluster. Segments that are not in the database but are still being served in the cluster are flagged and appended to a removal list. Segments that are overshadowed (their versions are too old and their data has been replaced by newer segments) are also dropped.</p>
+<h3><a class="anchor" aria-hidden="true" id="segment-availability"></a><a href="#segment-availability" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>If a Historical process restarts or becomes unavailable for any reason, the Druid Coordinator will notice a process has gone missing and treat all segments served by that process as being dropped. Given a sufficient period of time, the segments may be reassigned to other Historical processes in the cluster. However, each segment that is dropped is not immediately forgotten. Instead, there is a transitional data structure that stores all dropped segments with an associated lifetime. Th [...]
+<h3><a class="anchor" aria-hidden="true" id="balancing-segment-load"></a><a href="#balancing-segment-load" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>To ensure an even distribution of segments across Historical processes in the cluster, the Coordinator process will find the total size of all segments being served by every Historical process each time the Coordinator runs. For every Historical process tier in the cluster, the Coordinator process will determine the Historical process with the highest utilization and the Historical process with the lowest utilization. The percent difference in utilization between the two processes is [...]
+<h3><a class="anchor" aria-hidden="true" id="compacting-segments"></a><a href="#compacting-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Each run, the Druid Coordinator compacts small segments abutting each other. This is useful when you have a lot of small
+segments which may degrade query performance as well as increase disk space usage. See <a href="/docs/0.16.0-incubating/operations/segment-optimization.html">Segment Size Optimization</a> for details.</p>
+<p>The Coordinator first finds the segments to compact together based on the <a href="#segment-search-policy">segment search policy</a>.
+Once some segments are found, it launches a <a href="/docs/0.16.0-incubating/ingestion/tasks.html#compact">compaction task</a> to compact those segments.
+The maximum number of running compaction tasks is <code>min(sum of worker capacity * slotRatio, maxSlots)</code>.
+Note that even though <code>min(sum of worker capacity * slotRatio, maxSlots)</code> = 0, at least one compaction task is always submitted
+if the compaction is enabled for a dataSource.
+See <a href="../operations/api-reference.html#compaction-configuration">Compaction Configuration API</a> and <a href="../configuration/index.html#compaction-dynamic-configuration">Compaction Configuration</a> to enable the compaction.</p>
+<p>Compaction tasks might fail due to the following reasons.</p>
+<ul>
+<li>If the input segments of a compaction task are removed or overshadowed before it starts, that compaction task fails immediately.</li>
+<li>If a task of a higher priority acquires a lock for an interval overlapping with the interval of a compaction task, the compaction task fails.</li>
+</ul>
+<p>Once a compaction task fails, the Coordinator simply finds the segments for the interval of the failed task again, and launches a new compaction task in the next run.</p>
+<h3><a class="anchor" aria-hidden="true" id="segment-search-policy"></a><a href="#segment-search-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<h4><a class="anchor" aria-hidden="true" id="newest-segment-first-policy"></a><a href="#newest-segment-first-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>At every coordinator run, this policy searches for segments to compact by iterating segments from the latest to the oldest.
+Once it finds the latest segment among all dataSources, it checks if the segment is <em>compactible</em> with other segments of the same dataSource which have the same or abutting intervals.
+Note that segments are compactible if their total size is smaller than or equal to the configured <code>inputSegmentSizeBytes</code>.</p>
+<p>Here are some details with an example. Let us assume we have two dataSources (<code>foo</code>, <code>bar</code>)
+and 5 segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>, <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-08-01T00:00:00.000Z_2017-09-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-09-01T00:00:00.000Z_2017-10-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>).
+When each segment has the same size of 10 MB and <code>inputSegmentSizeBytes</code> is 20 MB, this policy first returns two segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code> and <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>) to compact together because
+<code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code> is the latest segment and <code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code> abuts to it.</p>
+<p>If the coordinator has enough task slots for compaction, this policy would continue searching for the next segments and return
+<code>bar_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code> and <code>bar_2017-09-01T00:00:00.000Z_2017-10-01T00:00:00.000Z_VERSION</code>.
+Note that <code>bar_2017-08-01T00:00:00.000Z_2017-09-01T00:00:00.000Z_VERSION</code> is not compacted together even though it abuts to <code>bar_2017-09-01T00:00:00.000Z_2017-10-01T00:00:00.000Z_VERSION</code>.
+This is because the total segment size to compact would be greater than <code>inputSegmentSizeBytes</code> if it's included.</p>
+<p>The search start point can be changed by setting <a href="../configuration/index.html#compaction-dynamic-configuration">skipOffsetFromLatest</a>.
+If this is set, this policy will ignore the segments falling into the interval of (the end time of the very latest segment - <code>skipOffsetFromLatest</code>).
+This is to avoid conflicts between compaction tasks and realtime tasks.
+Note that realtime tasks have a higher priority than compaction tasks by default. Realtime tasks will revoke the locks of compaction tasks if their intervals overlap, resulting in the termination of the compaction task.</p>
+<blockquote>
+<p>This policy currently cannot handle the situation when there are a lot of small segments which have the same interval,
+and their total size exceeds <a href="/docs/0.16.0-incubating/configuration/index.html#compaction-dynamic-configuration">inputSegmentSizeBytes</a>.
+If it finds such segments, it simply skips them.</p>
+</blockquote>
+<h3><a class="anchor" aria-hidden="true" id="the-coordinator-console"></a><a href="#the-coordinator-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>The Druid Coordinator exposes a web GUI for displaying cluster information and rule configuration. For more details, please see <a href="../operations/management-uis.html#coordinator-consoles">coordinator console</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="faq"></a><a href="#faq" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
+<ol>
+<li><p><strong>Do clients ever contact the Coordinator process?</strong></p>
+<p>The Coordinator is not involved in a query.</p>
+<p>Historical processes never directly contact the Coordinator process. The Druid Coordinator tells the Historical processes to load/drop data via Zookeeper, but the Historical processes are completely unaware of the Coordinator.</p>
+<p>Brokers also never contact the Coordinator. Brokers base their understanding of the data topology on metadata exposed by the Historical processes via ZK and are completely unaware of the Coordinator.</p></li>
+<li><p><strong>Does it matter if the Coordinator process starts up before or after other processes?</strong></p>
+<p>No. If the Druid Coordinator is not started up, no new segments will be loaded in the cluster and outdated segments will not be dropped. However, the Coordinator process can be started up at any time, and after a configurable delay, will start running Coordinator tasks.</p>
+<p>This also means that if you have a working cluster and all of your Coordinators die, the cluster will continue to function, it just won’t experience any changes to its data topology.</p></li>
+</ol>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/broker.html"><span class="arrow-prev">← </span><span>Broker</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/historical.html"><span>Historical Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-cente [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Historical Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Historical Process Configuration, see <a href="../configuration/index.html#historical">Historical Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Historical, please see the <a href="../operations/api-reference.html#historical">API reference</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>historical
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="loading-and-serving-segments"></a><a href="#loading-and-serving-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<p>Each Historical process maintains a constant connection to Zookeeper and watches a configurable set of Zookeeper paths for new segment information. Historical processes do not communicate directly with each other or with the Coordinator processes but instead rely on Zookeeper for coordination.</p>
+<p>The <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> process is responsible for assigning new segments to Historical processes. Assignment is done by creating an ephemeral Zookeeper entry under a load queue path associated with a Historical process. For more information on how the Coordinator assigns segments to Historical processes, please see <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a>.</p>
+<p>When a Historical process notices a new load queue entry in its load queue path, it will first check a local disk directory (cache) for the information about segment. If no information about the segment exists in the cache, the Historical process will download metadata about the new segment to serve from Zookeeper. This metadata includes specifications about where the segment is located in deep storage and about how to decompress and process the segment. For more information about seg [...]
+<h3><a class="anchor" aria-hidden="true" id="loading-and-serving-segments-from-cache"></a><a href="#loading-and-serving-segments-from-cache" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
+<p>Recall that when a Historical process notices a new segment entry in its load queue path, the Historical process first checks a configurable cache directory on its local disk to see if the segment had been previously downloaded. If a local cache entry already exists, the Historical process will directly read the segment binary files from disk and load the segment.</p>
+<p>The segment cache is also leveraged when a Historical process is first started. On startup, a Historical process will search through its cache directory and immediately load and serve all segments that are found. This feature allows Historical processes to be queried as soon they come online.</p>
+<h3><a class="anchor" aria-hidden="true" id="querying-segments"></a><a href="#querying-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>Please see <a href="/docs/0.16.0-incubating/querying/querying.html">Querying</a> for more information on querying Historical processes.</p>
+<p>A Historical can be configured to log and report metrics for every query it services.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/coordinator.html"><span class="arrow-prev">← </span><span>Coordinator Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/indexer.html"><span>Indexer Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Introduction to Apache Druid · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Introduction to Apache Druid · Apache Druid"/><meta property="og:type" content="website"/><meta pr [...]
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+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
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+ break;
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+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
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+ -->
+<h2><a class="anchor" aria-hidden="true" id="what-is-druid"></a><a href="#what-is-druid" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>Apache Druid (incubating) is a real-time analytics database designed for fast slice-and-dice analytics
+("<a href="http://en.wikipedia.org/wiki/Online_analytical_processing">OLAP</a>" queries) on large data sets. Druid is most often
+used as a database for powering use cases where real-time ingest, fast query performance, and high uptime are important.
+As such, Druid is commonly used for powering GUIs of analytical applications, or as a backend for highly-concurrent APIs
+that need fast aggregations. Druid works best with event-oriented data.</p>
+<p>Common application areas for Druid include:</p>
+<ul>
+<li>Clickstream analytics (web and mobile analytics)</li>
+<li>Network telemetry analytics (network performance monitoring)</li>
+<li>Server metrics storage</li>
+<li>Supply chain analytics (manufacturing metrics)</li>
+<li>Application performance metrics</li>
+<li>Digital marketing/advertising analytics</li>
+<li>Business intelligence / OLAP</li>
+</ul>
+<p>Druid's core architecture combines ideas from data warehouses, timeseries databases, and logsearch systems. Some of
+Druid's key features are:</p>
+<ol>
+<li><strong>Columnar storage format.</strong> Druid uses column-oriented storage, meaning it only needs to load the exact columns
+needed for a particular query. This gives a huge speed boost to queries that only hit a few columns. In addition, each
+column is stored optimized for its particular data type, which supports fast scans and aggregations.</li>
+<li><strong>Scalable distributed system.</strong> Druid is typically deployed in clusters of tens to hundreds of servers, and can
+offer ingest rates of millions of records/sec, retention of trillions of records, and query latencies of sub-second to a
+few seconds.</li>
+<li><strong>Massively parallel processing.</strong> Druid can process a query in parallel across the entire cluster.</li>
+<li><strong>Realtime or batch ingestion.</strong> Druid can ingest data either real-time (ingested data is immediately available for
+querying) or in batches.</li>
+<li><strong>Self-healing, self-balancing, easy to operate.</strong> As an operator, to scale the cluster out or in, simply add or
+remove servers and the cluster will rebalance itself automatically, in the background, without any downtime. If any
+Druid servers fail, the system will automatically route around the damage until those servers can be replaced. Druid
+is designed to run 24/7 with no need for planned downtimes for any reason, including configuration changes and software
+updates.</li>
+<li><strong>Cloud-native, fault-tolerant architecture that won't lose data.</strong> Once Druid has ingested your data, a copy is
+stored safely in <a href="architecture.html#deep-storage">deep storage</a> (typically cloud storage, HDFS, or a shared filesystem).
+Your data can be recovered from deep storage even if every single Druid server fails. For more limited failures affecting
+just a few Druid servers, replication ensures that queries are still possible while the system recovers.</li>
+<li><strong>Indexes for quick filtering.</strong> Druid uses <a href="https://arxiv.org/pdf/1004.0403">CONCISE</a> or
+<a href="https://roaringbitmap.org/">Roaring</a> compressed bitmap indexes to create indexes that power fast filtering and
+searching across multiple columns.</li>
+<li><strong>Time-based partitioning.</strong> Druid first partitions data by time, and can additionally partition based on other fields.
+This means time-based queries will only access the partitions that match the time range of the query. This leads to
+significant performance improvements for time-based data.</li>
+<li><strong>Approximate algorithms.</strong> Druid includes algorithms for approximate count-distinct, approximate ranking, and
+computation of approximate histograms and quantiles. These algorithms offer bounded memory usage and are often
+substantially faster than exact computations. For situations where accuracy is more important than speed, Druid also
+offers exact count-distinct and exact ranking.</li>
+<li><strong>Automatic summarization at ingest time.</strong> Druid optionally supports data summarization at ingestion time. This
+summarization partially pre-aggregates your data, and can lead to big costs savings and performance boosts.</li>
+</ol>
+<h2><a class="anchor" aria-hidden="true" id="when-should-i-use-druid"></a><a href="#when-should-i-use-druid" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>Druid is used by many companies of various sizes for many different use cases. Check out the
+<a href="/druid-powered">Powered by Apache Druid</a> page</p>
+<p>Druid is likely a good choice if your use case fits a few of the following descriptors:</p>
+<ul>
+<li>Insert rates are very high, but updates are less common.</li>
+<li>Most of your queries are aggregation and reporting queries ("group by" queries). You may also have searching and
+scanning queries.</li>
+<li>You are targeting query latencies of 100ms to a few seconds.</li>
+<li>Your data has a time component (Druid includes optimizations and design choices specifically related to time).</li>
+<li>You may have more than one table, but each query hits just one big distributed table. Queries may potentially hit more
+than one smaller "lookup" table.</li>
+<li>You have high cardinality data columns (e.g. URLs, user IDs) and need fast counting and ranking over them.</li>
+<li>You want to load data from Kafka, HDFS, flat files, or object storage like Amazon S3.</li>
+</ul>
+<p>Situations where you would likely <em>not</em> want to use Druid include:</p>
+<ul>
+<li>You need low-latency updates of <em>existing</em> records using a primary key. Druid supports streaming inserts, but not streaming updates (updates are done using
+background batch jobs).</li>
+<li>You are building an offline reporting system where query latency is not very important.</li>
+<li>You want to do "big" joins (joining one big fact table to another big fact table) and you are okay with these queries
+taking a long time to complete.</li>
+</ul>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/index.html"><span>Quickstart</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#what-is-druid">What is Druid?</a></li><li><a href="#when-should-i-use-druid">When should I use Druid?</a></li></ul></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="t [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Indexer Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
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+ ~ KIND, either express or implied. See the License for the
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+ ~ under the License.
+ -->
+<blockquote>
+<p>The Indexer is an optional and <a href="../development/experimental.html">experimental</a> feature.
+Its memory management system is still under development and will be significantly enhanced in later releases.</p>
+</blockquote>
+<p>The Apache Druid (incubating) Indexer process is an alternative to the MiddleManager + Peon task execution system. Instead of forking a separate JVM process per-task, the Indexer runs tasks as separate threads within a single JVM process.</p>
+<p>The Indexer is designed to be easier to configure and deploy compared to the MiddleManager + Peon system and to better enable resource sharing across tasks.</p>
+<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>indexer
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="task-resource-sharing"></a><a href="#task-resource-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>The following resources are shared across all tasks running inside an Indexer process.</p>
+<h3><a class="anchor" aria-hidden="true" id="query-resources"></a><a href="#query-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>The query processing threads and buffers are shared across all tasks. The Indexer will serve queries from a single endpoint shared by all tasks.</p>
+<p>If <a href="#indexer-caching">query caching</a> is enabled, the query cache is also shared across all tasks.</p>
+<h3><a class="anchor" aria-hidden="true" id="server-http-threads"></a><a href="#server-http-threads" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>The Indexer maintains two equally sized pools of HTTP threads.</p>
+<p>One pool is exclusively used for task control messages between the Overlord and the Indexer ("chat handler threads"). The other pool is used for handling all other HTTP requests.</p>
+<p>The size of the pools are configured by the <code>druid.server.http.numThreads</code> configuration (e.g., if this is set to 10, there will be 10 chat handler threads and 10 non-chat handler threads).</p>
+<p>In addition to these two pools, 2 separate threads are allocated for lookup handling. If lookups are not used, these threads will not be used.</p>
+<h3><a class="anchor" aria-hidden="true" id="memory-sharing"></a><a href="#memory-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>The Indexer uses the <code>druid.worker.globalIngestionHeapLimitBytes</code> configuration to impose a global heap limit across all of the tasks it is running.</p>
+<p>This global limit is evenly divided across the number of task slots configured by <code>druid.worker.capacity</code>.</p>
+<p>To apply the per-task heap limit, the Indexer will override <code>maxBytesInMemory</code> in task tuning configs (i.e., ignoring the default value or any user configured value). <code>maxRowsInMemory</code> will also be overridden to an essentially unlimited value: the Indexer does not support row limits.</p>
+<p>By default, <code>druid.worker.globalIngestionHeapLimitBytes</code> is set to 1/6th of the available JVM heap. This default is chosen to align with the default value of <code>maxBytesInMemory</code> in task tuning configs when using the MiddleManager/Peon system, which is also 1/6th of the JVM heap.</p>
+<p>The peak usage for rows held in heap memory relates to the interaction between the <code>maxBytesInMemory</code> and <code>maxPendingPersists</code> properties in the task tuning configs. When the amount of row data held in-heap by a task reaches the limit specified by <code>maxBytesInMemory</code>, a task will persist the in-heap row data. After the persist has been started, the task can again ingest up to <code>maxBytesInMemory</code> bytes worth of row data while the persist is run [...]
+<p>This means that the peak in-heap usage for row data can be up to approximately <code>maxBytesInMemory</code> * (2 + <code>maxPendingPersists</code>). The default value of <code>maxPendingPersists</code> is 0, which allows for 1 persist to run concurrently with ingestion work.</p>
+<p>The remaining portion of the heap is reserved for query processing and segment persist/merge operations, and miscellaneous heap usage.</p>
+<h4><a class="anchor" aria-hidden="true" id="concurrent-segment-persist-merge-limits"></a><a href="#concurrent-segment-persist-merge-limits" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
+<p>To help reduce peak memory usage, the Indexer imposes a limit on the number of concurrent segment persist/merge operations across all running tasks.</p>
+<p>By default, the number of concurrent persist/merge operations is limited to (<code>druid.worker.capacity</code> / 2), rounded down. This limit can be configured with the <code>druid.worker.numConcurrentMerges</code> property.</p>
+<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>In addition to the <a href="../configuration/index.html#common-configurations">common configurations</a>, the Indexer accepts the following configurations:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.worker.version</code></td><td>Version identifier for the Indexer.</td><td>0</td></tr>
+<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the Indexer can accept.</td><td>Number of available processors - 1</td></tr>
+<tr><td><code>druid.worker.globalIngestionHeapLimitBytes</code></td><td>Total amount of heap available for ingestion processing. This is applied by automatically setting the <code>maxBytesInMemory</code> property on tasks.</td><td>60% of configured JVM heap</td></tr>
+<tr><td><code>druid.worker.numConcurrentMerges</code></td><td>Maximum number of segment persist or merge operations that can run concurrently across all tasks.</td><td><code>druid.worker.capacity</code> / 2, rounded down</td></tr>
+<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
+<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
+<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
+<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on Indexer restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, the Indexer will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="concurrent-requests"></a><a href="#concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Druid uses Jetty to serve HTTP requests.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests. Please see the <a href="#server-http-threads">Server HTTP threads</a> section for more details on how the Indexer uses this configuration.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
+<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
+<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
+<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
+<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
+<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="../querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
+<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="processing"></a><a href="#processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in the Indexer processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Indexer processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
+line.</p>
+<h3><a class="anchor" aria-hidden="true" id="query-configurations"></a><a href="#query-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>See <a href="../configuration/index.html#general-query-configuration">general query configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="indexer-caching"></a><a href="#indexer-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>You can optionally configure caching to be enabled on the Indexer by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
+<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="../configuration/index.html#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<p>Note that only local caches such as the <code>local</code>-type cache and <code>caffeine</code> cache are supported. If a remote cache such as <code>memcached</code> is used, it will be ignored.</p>
+<h2><a class="anchor" aria-hidden="true" id="current-limitations"></a><a href="#current-limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>Separate task logs are not currently supported when using the Indexer; all task log messages will instead be logged in the Indexer process log.</p>
+<p>The Indexer currently imposes an identical memory limit on each task. In later releases, the per-task memory limit will be removed and only the global limit will apply. The limit on concurrent merges will also be removed.</p>
+<p>In later releases, per-task memory usage will be dynamically managed. Please see <a href="https://github.com/apache/incubator-druid/issues/7900">https://github.com/apache/incubator-druid/issues/7900</a> for details on future enhancements to the Indexer.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/historical.html"><span class="arrow-prev">← </span><span>Historical Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/indexing-service.html"><span>Indexing Service</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#task-resour [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Indexing Service · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Indexing Service · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Indexing Service</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>The Apache Druid (incubating) indexing service is a highly-available, distributed service that runs indexing related tasks.</p>
+<p>Indexing <a href="/docs/0.16.0-incubating/ingestion/tasks.html">tasks</a> create (and sometimes destroy) Druid <a href="/docs/0.16.0-incubating/design/segments.html">segments</a>. The indexing service has a master/slave like architecture.</p>
+<p>The indexing service is composed of three main components: a <a href="/docs/0.16.0-incubating/design/peons.html">Peon</a> component that can run a single task, a <a href="/docs/0.16.0-incubating/design/middlemanager.html">Middle Manager</a> component that manages Peons, and an <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a> component that manages task distribution to MiddleManagers.
+Overlords and MiddleManagers may run on the same process or across multiple processes while MiddleManagers and Peons always run on the same process.</p>
+<p>Tasks are managed using API endpoints on the Overlord service. Please see <a href="../operations/api-reference.html#tasks">Overlord Task API</a> for more information.</p>
+<p><img src="../assets/indexing_service.png" alt="Indexing Service" title="Indexing Service"></p>
+<h2><a class="anchor" aria-hidden="true" id="overlord"></a><a href="#overlord" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>See <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="middle-managers"></a><a href="#middle-managers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>See <a href="/docs/0.16.0-incubating/design/middlemanager.html">Middle Manager</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="peons"></a><a href="#peons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
+<p>See <a href="/docs/0.16.0-incubating/design/peons.html">Peon</a>.</p>
+<h2><a class="anchor" aria-hidden="true" id="tasks"></a><a href="#tasks" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
+<p>See <a href="/docs/0.16.0-incubating/ingestion/tasks.html">Tasks</a>.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/indexer.html"><span class="arrow-prev">← </span><span>Indexer Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/middlemanager.html"><span class="function-name-prevnext">MiddleManager Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#overlord">Overlord</a>< [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>MiddleManager Process · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="MiddleManager Process · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">MiddleManager Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Middlemanager Process Configuration, see <a href="../configuration/index.html#middlemanager-and-peons">Indexing Service Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the MiddleManager, please see the <a href="../operations/api-reference.html#middlemanager">API reference</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>The MiddleManager process is a worker process that executes submitted tasks. Middle Managers forward tasks to Peons that run in separate JVMs.
+The reason we have separate JVMs for tasks is for resource and log isolation. Each <a href="/docs/0.16.0-incubating/design/peons.html">Peon</a> is capable of running only one task at a time, however, a MiddleManager may have multiple Peons.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>middleManager
+</code></pre>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/indexing-service.html"><span class="arrow-prev">← </span><span>Indexing Service</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/overlord.html"><span>Overlord Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div c [...]
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diff --git a/docs/0.16.0-incubating/design/overlord.html b/docs/0.16.0-incubating/design/overlord.html
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+++ b/docs/0.16.0-incubating/design/overlord.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Overlord Process · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Overlord Process · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Overlord Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Overlord Process Configuration, see <a href="../configuration/index.html#overlord">Overlord Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Overlord, please see the <a href="../operations/api-reference.html#overlord">API reference</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>The Overlord process is responsible for accepting tasks, coordinating task distribution, creating locks around tasks, and returning statuses to callers. Overlord can be configured to run in one of two modes - local or remote (local being default).
+In local mode Overlord is also responsible for creating Peons for executing tasks. When running the Overlord in local mode, all MiddleManager and Peon configurations must be provided as well.
+Local mode is typically used for simple workflows. In remote mode, the Overlord and MiddleManager are run in separate processes and you can run each on a different server.
+This mode is recommended if you intend to use the indexing service as the single endpoint for all Druid indexing.</p>
+<h3><a class="anchor" aria-hidden="true" id="overlord-console"></a><a href="#overlord-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p>The Overlord provides a UI for managing tasks and workers. For more details, please see <a href="../operations/management-uis.html#overlord-console">overlord console</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="blacklisted-workers"></a><a href="#blacklisted-workers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>If a MiddleManager has task failures above a threshold, the Overlord will blacklist these MiddleManagers. No more than 20% of the MiddleManagers can be blacklisted. Blacklisted MiddleManagers will be periodically whitelisted.</p>
+<p>The following vairables can be used to set the threshold and blacklist timeouts.</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.maxRetriesBeforeBlacklist</span>
+druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListBackoffTime</span>
+druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListCleanupPeriod</span>
+druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.maxPercentageBlacklistWorkers</span>
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="autoscaling"></a><a href="#autoscaling" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>The Autoscaling mechanisms currently in place are tightly coupled with our deployment infrastructure but the framework should be in place for other implementations. We are highly open to new implementations or extensions of the existing mechanisms. In our own deployments, MiddleManager processes are Amazon AWS EC2 nodes and they are provisioned to register themselves in a <a href="https://github.com/ning/galaxy">galaxy</a> environment.</p>
+<p>If autoscaling is enabled, new MiddleManagers may be added when a task has been in pending state for too long. MiddleManagers may be terminated if they have not run any tasks for a period of time.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/middlemanager.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">MiddleManager Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/router.html"><span>Router Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"> [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/design/peons.html b/docs/0.16.0-incubating/design/peons.html
new file mode 100644
index 0000000..429911f
--- /dev/null
+++ b/docs/0.16.0-incubating/design/peons.html
@@ -0,0 +1,92 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Peons · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Peons · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https://druid.apache. [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Peons</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Peon Configuration, see <a href="../configuration/index.html#peon-query-configuration">Peon Query Configuration</a> and <a href="../configuration/index.html#additional-peon-configuration">Additional Peon Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Peon, please see the <a href="../operations/api-reference.html#peon">Peon API reference</a>.</p>
+<p>Peons run a single task in a single JVM. MiddleManager is responsible for creating Peons for running tasks.
+Peons should rarely (if ever for testing purposes) be run on their own.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<p>The Peon should very rarely ever be run independent of the MiddleManager unless for development purposes.</p>
+<pre><code class="hljs">org<span class="hljs-selector-class">.apache</span><span class="hljs-selector-class">.druid</span><span class="hljs-selector-class">.cli</span><span class="hljs-selector-class">.Main</span> internal peon <task_file> <status_file>
+</code></pre>
+<p>The task file contains the task JSON object.
+The status file indicates where the task status will be output.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/router.html"><span class="arrow-prev">← </span><span>Router Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html"><span>Integrating with other technologies</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-foot [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/design/plumber.md b/docs/0.16.0-incubating/design/plumber.md
new file mode 100644
index 0000000..2f57fca
--- /dev/null
+++ b/docs/0.16.0-incubating/design/plumber.md
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../ingestion/standalone-realtime.html">
+<meta http-equiv="refresh" content="0; url=../ingestion/standalone-realtime.html">
+<h1>Redirecting...</h1>
+<a href="../ingestion/standalone-realtime.html">Click here if you are not redirected.</a>
+<script>location="../ingestion/standalone-realtime.html"</script>
diff --git a/docs/0.16.0-incubating/design/processes.html b/docs/0.16.0-incubating/design/processes.html
new file mode 100644
index 0000000..7a491d7
--- /dev/null
+++ b/docs/0.16.0-incubating/design/processes.html
@@ -0,0 +1,154 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Processes and servers · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Processes and servers · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Processes and servers</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<h2><a class="anchor" aria-hidden="true" id="process-types"></a><a href="#process-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>Druid has several process types:</p>
+<ul>
+<li><a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a></li>
+<li><a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a></li>
+<li><a href="/docs/0.16.0-incubating/design/broker.html">Broker</a></li>
+<li><a href="/docs/0.16.0-incubating/design/historical.html">Historical</a></li>
+<li><a href="/docs/0.16.0-incubating/design/middlemanager.html">MiddleManager</a> and <a href="/docs/0.16.0-incubating/design/peons.html">Peons</a></li>
+<li><a href="/docs/0.16.0-incubating/design/indexer.html">Indexer (Optional)</a></li>
+<li><a href="/docs/0.16.0-incubating/design/router.html">Router (Optional)</a></li>
+</ul>
+<h2><a class="anchor" aria-hidden="true" id="server-types"></a><a href="#server-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Druid processes can be deployed any way you like, but for ease of deployment we suggest organizing them into three server types:</p>
+<ul>
+<li><strong>Master</strong></li>
+<li><strong>Query</strong></li>
+<li><strong>Data</strong></li>
+</ul>
+<p><img src="../assets/druid-architecture.png" width="800"/></p>
+<p>This section describes the Druid processes and the suggested Master/Query/Data server organization, as shown in the architecture diagram above.</p>
+<h3><a class="anchor" aria-hidden="true" id="master-server"></a><a href="#master-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>A Master server manages data ingestion and availability: it is responsible for starting new ingestion jobs and coordinating availability of data on the "Data servers" described below.</p>
+<p>Within a Master server, functionality is split between two processes, the Coordinator and Overlord.</p>
+<h4><a class="anchor" aria-hidden="true" id="coordinator-process"></a><a href="#coordinator-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p><a href="/docs/0.16.0-incubating/design/coordinator.html"><strong>Coordinator</strong></a> processes watch over the Historical processes on the Data servers. They are responsible for assigning segments to specific servers, and for ensuring segments are well-balanced across Historicals.</p>
+<h4><a class="anchor" aria-hidden="true" id="overlord-process"></a><a href="#overlord-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<p><a href="/docs/0.16.0-incubating/design/overlord.html"><strong>Overlord</strong></a> processes watch over the MiddleManager processes on the Data servers and are the controllers of data ingestion into Druid. They are responsible for assigning ingestion tasks to MiddleManagers and for coordinating segment publishing.</p>
+<h3><a class="anchor" aria-hidden="true" id="query-server"></a><a href="#query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>A Query server provides the endpoints that users and client applications interact with, routing queries to Data servers or other Query servers (and optionally proxied Master server requests as well).</p>
+<p>Within a Query server, functionality is split between two processes, the Broker and Router.</p>
+<h4><a class="anchor" aria-hidden="true" id="broker-process"></a><a href="#broker-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p><a href="/docs/0.16.0-incubating/design/broker.html"><strong>Broker</strong></a> processes receive queries from external clients and forward those queries to Data servers. When Brokers receive results from those subqueries, they merge those results and return them to the
+caller. End users typically query Brokers rather than querying Historicals or MiddleManagers processes on Data servers directly.</p>
+<h4><a class="anchor" aria-hidden="true" id="router-process-optional"></a><a href="#router-process-optional" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p><a href="/docs/0.16.0-incubating/design/router.html"><strong>Router</strong></a> processes are <em>optional</em> processes that provide a unified API gateway in front of Druid Brokers,
+Overlords, and Coordinators. They are optional since you can also simply contact the Druid Brokers, Overlords, and
+Coordinators directly.</p>
+<p>The Router also runs the <a href="../operations/management-uis.html#druid-console">Druid Console</a>, a management UI for datasources, segments, tasks, data processes (Historicals and MiddleManagers), and coordinator dynamic configuration. The user can also run SQL and native Druid queries within the console.</p>
+<h3><a class="anchor" aria-hidden="true" id="data-server"></a><a href="#data-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
+<p>A Data server executes ingestion jobs and stores queryable data.</p>
+<p>Within a Data server, functionality is split between two processes, the Historical and MiddleManager.</p>
+<h3><a class="anchor" aria-hidden="true" id="historical-process"></a><a href="#historical-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p><a href="/docs/0.16.0-incubating/design/historical.html"><strong>Historical</strong></a> processes are the workhorses that handle storage and querying on "historical" data
+(including any streaming data that has been in the system long enough to be committed). Historical processes
+download segments from deep storage and respond to queries about these segments. They don't accept writes.</p>
+<h3><a class="anchor" aria-hidden="true" id="middle-manager-process"></a><a href="#middle-manager-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p><a href="/docs/0.16.0-incubating/design/middlemanager.html"><strong>MiddleManager</strong></a> processes handle ingestion of new data into the cluster. They are responsible
+for reading from external data sources and publishing new Druid segments.</p>
+<h4><a class="anchor" aria-hidden="true" id="peon-processes"></a><a href="#peon-processes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p><a href="/docs/0.16.0-incubating/design/peons.html"><strong>Peon</strong></a> processes are task execution engines spawned by MiddleManagers. Each Peon runs a separate JVM and is responsible for executing a single task. Peons always run on the same host as the MiddleManager that spawned them.</p>
+<h3><a class="anchor" aria-hidden="true" id="indexer-process-optional"></a><a href="#indexer-process-optional" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p><a href="/docs/0.16.0-incubating/design/indexer.html"><strong>Indexer</strong></a> processes are an alternative to MiddleManagers and Peons. Instead of
+forking separate JVM processes per-task, the Indexer runs tasks as individual threads within a single JVM process.</p>
+<p>The Indexer is designed to be easier to configure and deploy compared to the MiddleManager + Peon system and to
+better enable resource sharing across tasks. The Indexer is a newer feature and is currently designated
+<a href="/docs/0.16.0-incubating/development/experimental.html">experimental</a> due to the fact that its memory management system is still under
+development. It will continue to mature in future versions of Druid.</p>
+<p>Typically, you would deploy either MiddleManagers or Indexers, but not both.</p>
+<h2><a class="anchor" aria-hidden="true" id="pros-and-cons-of-colocation"></a><a href="#pros-and-cons-of-colocation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>Druid processes can be colocated based on the Master/Data/Query server organization as
+described above. This organization generally results in better utilization of
+hardware resources for most clusters.</p>
+<p>For very large scale clusters, however, it can be desirable to split the Druid processes
+such that they run on individual servers to avoid resource contention.</p>
+<p>This section describes guidelines and configuration parameters related to process colocation.</p>
+<h3><a class="anchor" aria-hidden="true" id="coordinators-and-overlords"></a><a href="#coordinators-and-overlords" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The workload on the Coordinator process tends to increase with the number of segments in the cluster. The Overlord's workload also increases based on the number of segments in the cluster, but to a lesser degree than the Coordinator.</p>
+<p>In clusters with very high segment counts, it can make sense to separate the Coordinator and Overlord processes to provide more resources for the Coordinator's segment balancing workload.</p>
+<h4><a class="anchor" aria-hidden="true" id="unified-process"></a><a href="#unified-process" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>The Coordinator and Overlord processes can be run as a single combined process by setting the <code>druid.coordinator.asOverlord.enabled</code> property.</p>
+<p>Please see <a href="../configuration/index.html#coordinator-operation">Coordinator Configuration: Operation</a> for details.</p>
+<h3><a class="anchor" aria-hidden="true" id="historicals-and-middlemanagers"></a><a href="#historicals-and-middlemanagers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<p>With higher levels of ingestion or query load, it can make sense to deploy the Historical and MiddleManager processes on separate hosts to to avoid CPU and memory contention.</p>
+<p>The Historical also benefits from having free memory for memory mapped segments, which can be another reason to deploy the Historical and MiddleManager processes separately.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/segments.html"><span class="arrow-prev">← </span><span>Segments</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/dependencies/deep-storage.html"><span>Deep storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#process-types">Process types</a></li><li><a href="#server-types" [...]
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../ingestion/standalone-realtime.html">
+<meta http-equiv="refresh" content="0; url=../ingestion/standalone-realtime.html">
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+<a href="../ingestion/standalone-realtime.html">Click here if you are not redirected.</a>
+<script>location="../ingestion/standalone-realtime.html"</script>
diff --git a/docs/0.16.0-incubating/design/router.html b/docs/0.16.0-incubating/design/router.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Router Process · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Router Process · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="htt [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Router Process</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<blockquote>
+<p>The Router is an optional and <a href="/docs/0.16.0-incubating/development/experimental.html">experimental</a> feature due to the fact that its recommended place in the Druid cluster architecture is still evolving.
+However, it has been battle-tested in production, and it hosts the powerful <a href="../operations/management-uis.html#druid-console">Druid Console</a>, so you should feel safe deploying it.</p>
+</blockquote>
+<p>The Apache Druid (incubating) Router process can be used to route queries to different Broker processes. By default, the broker routes queries based on how <a href="/docs/0.16.0-incubating/operations/rule-configuration.html">Rules</a> are set up. For example, if 1 month of recent data is loaded into a <code>hot</code> cluster, queries that fall within the recent month can be routed to a dedicated set of brokers. Queries outside this range are routed to another set of brokers. This set [...]
+<p>For query routing purposes, you should only ever need the Router process if you have a Druid cluster well into the terabyte range.</p>
+<p>In addition to query routing, the Router also runs the <a href="../operations/management-uis.html#druid-console">Druid Console</a>, a management UI for datasources, segments, tasks, data processes (Historicals and MiddleManagers), and coordinator dynamic configuration. The user can also run SQL and native Druid queries within the console.</p>
+<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>router
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
+<p>JVM settings:</p>
+<pre><code class="hljs">-<span class="ruby">server
+</span>-<span class="ruby">Xmx13g
+</span>-<span class="ruby">Xms13g
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>NewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>MaxNewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseConcMarkSweepGC
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCDetails
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCTimeStamps
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseLargePages
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+HeapDumpOnOutOfMemoryError
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>HeapDumpPath=<span class="hljs-regexp">/mnt/galaxy</span><span class="hljs-regexp">/deploy/current</span><span class="hljs-regexp">/
+</span></span>-<span class="ruby"><span class="hljs-regexp">Duser.timezone=UTC
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dfile.encoding=UTF-8
+</span></span>-<span class="ruby"><span class="hljs-regexp">Djava.io.tmpdir=/mnt</span><span class="hljs-regexp">/tmp
+</span></span>
+-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.port=17071
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.authenticate=false
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.ssl=false
+</span></span></code></pre>
+<p>Runtime.properties:</p>
+<pre><code class="hljs"><span class="hljs-attr">druid.host</span>=<span class="hljs-comment">#{IP_ADDR}:8080</span>
+<span class="hljs-attr">druid.plaintextPort</span>=<span class="hljs-number">8080</span>
+<span class="hljs-attr">druid.service</span>=druid/router
+
+<span class="hljs-attr">druid.router.defaultBrokerServiceName</span>=druid:broker-cold
+<span class="hljs-attr">druid.router.coordinatorServiceName</span>=druid:coordinator
+<span class="hljs-attr">druid.router.tierToBrokerMap</span>={<span class="hljs-string">"hot"</span>:<span class="hljs-string">"druid:broker-hot"</span>,<span class="hljs-string">"_default_tier"</span>:<span class="hljs-string">"druid:broker-cold"</span>}
+<span class="hljs-attr">druid.router.http.numConnections</span>=<span class="hljs-number">50</span>
+<span class="hljs-attr">druid.router.http.readTimeout</span>=PT5M
+
+<span class="hljs-comment"># Number of threads used by the Router proxy http client</span>
+<span class="hljs-attr">druid.router.http.numMaxThreads</span>=<span class="hljs-number">100</span>
+
+<span class="hljs-attr">druid.server.http.numThreads</span>=<span class="hljs-number">100</span>
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>The Router module uses several of the default modules in <a href="/docs/0.16.0-incubating/configuration/index.html">Configuration</a> and has the following set of configurations as well:</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.router.defaultBrokerServiceName</code></td><td>Any string.</td><td>The default Broker to connect to in case service discovery fails.</td><td>druid/broker</td></tr>
+<tr><td><code>druid.router.tierToBrokerMap</code></td><td>An ordered JSON map of tiers to Broker names. The priority of Brokers is based on the ordering.</td><td>Queries for a certain tier of data are routed to their appropriate Broker.</td><td>{"_default_tier": "<defaultBrokerServiceName>"}</td></tr>
+<tr><td><code>druid.router.defaultRule</code></td><td>Any string.</td><td>The default rule for all datasources.</td><td>"_default"</td></tr>
+<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
+<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>All custom strategies to use for routing.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
+<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name</td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
+<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="router-strategies"></a><a href="#router-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>The Router has a configurable list of strategies for how it selects which Brokers to route queries to. The order of the strategies matter because as soon as a strategy condition is matched, a Broker is selected.</p>
+<h3><a class="anchor" aria-hidden="true" id="timeboundary"></a><a href="#timeboundary" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"type"</span>:<span class="hljs-string">"timeBoundary"</span>
+}
+</code></pre>
+<p>Including this strategy means all timeBoundary queries are always routed to the highest priority Broker.</p>
+<h3><a class="anchor" aria-hidden="true" id="priority"></a><a href="#priority" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"type"</span>:<span class="hljs-string">"priority"</span>,
+ <span class="hljs-attr">"minPriority"</span>:<span class="hljs-number">0</span>,
+ <span class="hljs-attr">"maxPriority"</span>:<span class="hljs-number">1</span>
+}
+</code></pre>
+<p>Queries with a priority set to less than minPriority are routed to the lowest priority Broker. Queries with priority set to greater than maxPriority are routed to the highest priority Broker. By default, minPriority is 0 and maxPriority is 1. Using these default values, if a query with priority 0 (the default query priority is 0) is sent, the query skips the priority selection logic.</p>
+<h3><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<p>Allows defining arbitrary routing rules using a JavaScript function. The function is passed the configuration and the query to be executed, and returns the tier it should be routed to, or null for the default tier.</p>
+<p><em>Example</em>: a function that sends queries containing more than three aggregators to the lowest priority Broker.</p>
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"javascript"</span>,
+ <span class="hljs-attr">"function"</span> : <span class="hljs-string">"function (config, query) { if (query.getAggregatorSpecs && query.getAggregatorSpecs().size() >= 3) { var size = config.getTierToBrokerMap().values().size(); if (size > 0) { return config.getTierToBrokerMap().values().toArray()[size-1] } else { return config.getDefaultBrokerServiceName() } } else { return null } }"</span>
+}
+</code></pre>
+<blockquote>
+<p>JavaScript-based functionality is disabled by default. Please refer to the Druid <a href="/docs/0.16.0-incubating/development/javascript.html">JavaScript programming guide</a> for guidelines about using Druid's JavaScript functionality, including instructions on how to enable it.</p>
+</blockquote>
+<h2><a class="anchor" aria-hidden="true" id="avatica-query-balancing"></a><a href="#avatica-query-balancing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<p>All Avatica JDBC requests with a given connection ID must be routed to the same Broker, since Druid Brokers do not share connection state with each other.</p>
+<p>To accomplish this, Druid provides two built-in balancers that use rendezvous hashing and consistent hashing of a request's connection ID respectively to assign requests to Brokers.</p>
+<p>Note that when multiple Routers are used, all Routers should have identical balancer configuration to ensure that they make the same routing decisions.</p>
+<h3><a class="anchor" aria-hidden="true" id="rendezvous-hash-balancer"></a><a href="#rendezvous-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Rendezvous_hashing">Rendezvous Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
+<p>To use this balancer, specify the following property:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=rendezvousHash
+</code></pre>
+<p>If no <code>druid.router.avatica.balancer</code> property is set, the Router will also default to using the Rendezvous Hash Balancer.</p>
+<h3><a class="anchor" aria-hidden="true" id="consistent-hash-balancer"></a><a href="#consistent-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Consistent_hashing">Consistent Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
+<p>To use this balancer, specify the following property:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=consistentHash
+</code></pre>
+<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous hash [...]
+<h2><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>The Router process exposes several HTTP endpoints for interactions.</p>
+<h3><a class="anchor" aria-hidden="true" id="get"></a><a href="#get" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
+<ul>
+<li><code>/status</code></li>
+</ul>
+<p>Returns the Druid version, loaded extensions, memory used, total memory and other useful information about the process.</p>
+<ul>
+<li><code>/druid/v2/datasources</code></li>
+</ul>
+<p>Returns a list of queryable datasources.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}</code></li>
+</ul>
+<p>Returns the dimensions and metrics of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/dimensions</code></li>
+</ul>
+<p>Returns the dimensions of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/metrics</code></li>
+</ul>
+<p>Returns the metrics of the datasource.</p>
+<h2><a class="anchor" aria-hidden="true" id="router-as-management-proxy"></a><a href="#router-as-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The Router can be configured to forward requests to the active Coordinator or Overlord process. This may be useful for
+setting up a highly available cluster in situations where the HTTP redirect mechanism of the inactive -> active
+Coordinator/Overlord does not function correctly (servers are behind a load balancer, the hostname used in the redirect
+is only resolvable internally, etc.).</p>
+<h3><a class="anchor" aria-hidden="true" id="enabling-the-management-proxy"></a><a href="#enabling-the-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>To enable this functionality, set the following in the Router's runtime.properties:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.managementProxy</span><span class="hljs-selector-class">.enabled</span>=true
+</code></pre>
+<h3><a class="anchor" aria-hidden="true" id="routing"></a><a href="#routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<p>The management proxy supports implicit and explicit routes. Implicit routes are those where the destination can be
+determined from the original request path based on Druid API path conventions. For the Coordinator the convention is
+<code>/druid/coordinator/*</code> and for the Overlord the convention is <code>/druid/indexer/*</code>. These are convenient because they mean
+that using the management proxy does not require modifying the API request other than issuing the request to the Router
+instead of the Coordinator or Overlord. Most Druid API requests can be routed implicitly.</p>
+<p>Explicit routes are those where the request to the Router contains a path prefix indicating which process the request
+should be routed to. For the Coordinator this prefix is <code>/proxy/coordinator</code> and for the Overlord it is <code>/proxy/overlord</code>.
+This is required for API calls with an ambiguous destination. For example, the <code>/status</code> API is present on all Druid
+processes, so explicit routing needs to be used to indicate the proxy destination.</p>
+<p>This is summarized in the table below:</p>
+<table>
+<thead>
+<tr><th>Request Route</th><th>Destination</th><th>Rewritten Route</th><th>Example</th></tr>
+</thead>
+<tbody>
+<tr><td><code>/druid/coordinator/*</code></td><td>Coordinator</td><td><code>/druid/coordinator/*</code></td><td><code>router:8888/druid/coordinator/v1/datasources</code> -> <code>coordinator:8081/druid/coordinator/v1/datasources</code></td></tr>
+<tr><td><code>/druid/indexer/*</code></td><td>Overlord</td><td><code>/druid/indexer/*</code></td><td><code>router:8888/druid/indexer/v1/task</code> -> <code>overlord:8090/druid/indexer/v1/task</code></td></tr>
+<tr><td><code>/proxy/coordinator/*</code></td><td>Coordinator</td><td><code>/*</code></td><td><code>router:8888/proxy/coordinator/status</code> -> <code>coordinator:8081/status</code></td></tr>
+<tr><td><code>/proxy/overlord/*</code></td><td>Overlord</td><td><code>/*</code></td><td><code>router:8888/proxy/overlord/druid/indexer/v1/isLeader</code> -> <code>overlord:8090/druid/indexer/v1/isLeader</code></td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/overlord.html"><span class="arrow-prev">← </span><span>Overlord Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/peons.html"><span>Peons</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#example-production-configuration">Exa [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Segments</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
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+<p>Apache Druid (incubating) stores its index in <em>segment files</em>, which are partitioned by
+time. In a basic setup, one segment file is created for each time
+interval, where the time interval is configurable in the
+<code>segmentGranularity</code> parameter of the
+<a href="/docs/0.16.0-incubating/ingestion/index.html#granularityspec"><code>granularitySpec</code></a>. For Druid to
+operate well under heavy query load, it is important for the segment
+file size to be within the recommended range of 300mb-700mb. If your
+segment files are larger than this range, then consider either
+changing the granularity of the time interval or partitioning your
+data and tweaking the <code>targetPartitionSize</code> in your <code>partitionsSpec</code>
+(a good starting point for this parameter is 5 million rows). See the
+sharding section below and the 'Partitioning specification' section of
+the <a href="/docs/0.16.0-incubating/ingestion/hadoop.html#partitionsspec">Batch ingestion</a> documentation
+for more information.</p>
+<h3><a class="anchor" aria-hidden="true" id="a-segment-files-core-data-structures"></a><a href="#a-segment-files-core-data-structures" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 [...]
+<p>Here we describe the internal structure of segment files, which is
+essentially <em>columnar</em>: the data for each column is laid out in
+separate data structures. By storing each column separately, Druid can
+decrease query latency by scanning only those columns actually needed
+for a query. There are three basic column types: the timestamp
+column, dimension columns, and metric columns, as illustrated in the
+image below:</p>
+<p><img src="../assets/druid-column-types.png" alt="Druid column types" title="Druid Column Types"></p>
+<p>The timestamp and metric columns are simple: behind the scenes each of
+these is an array of integer or floating point values compressed with
+LZ4. Once a query knows which rows it needs to select, it simply
+decompresses these, pulls out the relevant rows, and applies the
+desired aggregation operator. As with all columns, if a query doesn’t
+require a column, then that column’s data is just skipped over.</p>
+<p>Dimensions columns are different because they support filter and
+group-by operations, so each dimension requires the following
+three data structures:</p>
+<ol>
+<li>A dictionary that maps values (which are always treated as strings) to integer IDs,</li>
+<li>A list of the column’s values, encoded using the dictionary in 1, and</li>
+<li>For each distinct value in the column, a bitmap that indicates which rows contain that value.</li>
+</ol>
+<p>Why these three data structures? The dictionary simply maps string
+values to integer ids so that the values in 2 and 3 can be
+represented compactly. The bitmaps in 3 -- also known as <em>inverted
+indexes</em> allow for quick filtering operations (specifically, bitmaps
+are convenient for quickly applying AND and OR operators). Finally,
+the list of values in 2 is needed for <em>group by</em> and <em>TopN</em>
+queries. In other words, queries that solely aggregate metrics based
+on filters do not need to touch the list of dimension values stored in</p>
+<ol start="2">
+<li></li>
+</ol>
+<p>To get a concrete sense of these data structures, consider the ‘page’
+column from the example data above. The three data structures that
+represent this dimension are illustrated in the diagram below.</p>
+<pre><code class="hljs"><span class="hljs-number">1</span>: Dictionary that encodes column values
+ {
+ <span class="hljs-string">"Justin Bieber"</span>: <span class="hljs-number">0</span>,
+ <span class="hljs-string">"Ke$ha"</span>: <span class="hljs-number">1</span>
+ }
+
+<span class="hljs-number">2</span>: Column data
+ [<span class="hljs-number">0</span>,
+ <span class="hljs-number">0</span>,
+ <span class="hljs-number">1</span>,
+ <span class="hljs-number">1</span>]
+
+<span class="hljs-number">3</span>: Bitmaps - one <span class="hljs-keyword">for</span> each unique value of the column
+ value=<span class="hljs-string">"Justin Bieber"</span>: [<span class="hljs-number">1</span>,<span class="hljs-number">1</span>,<span class="hljs-number">0</span>,<span class="hljs-number">0</span>]
+ value=<span class="hljs-string">"Ke$ha"</span>: [<span class="hljs-number">0</span>,<span class="hljs-number">0</span>,<span class="hljs-number">1</span>,<span class="hljs-number">1</span>]
+</code></pre>
+<p>Note that the bitmap is different from the first two data structures:
+whereas the first two grow linearly in the size of the data (in the
+worst case), the size of the bitmap section is the product of data
+size * column cardinality. Compression will help us here though
+because we know that for each row in 'column data', there will only be a
+single bitmap that has non-zero entry. This means that high cardinality
+columns will have extremely sparse, and therefore highly compressible,
+bitmaps. Druid exploits this using compression algorithms that are
+specially suited for bitmaps, such as roaring bitmap compression.</p>
+<h3><a class="anchor" aria-hidden="true" id="multi-value-columns"></a><a href="#multi-value-columns" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>If a data source makes use of multi-value columns, then the data
+structures within the segment files look a bit different. Let's
+imagine that in the example above, the second row were tagged with
+both the 'Ke$ha' <em>and</em> 'Justin Bieber' topics. In this case, the three
+data structures would now look as follows:</p>
+<pre><code class="hljs"><span class="hljs-number">1</span>: Dictionary that encodes column values
+ {
+ <span class="hljs-string">"Justin Bieber"</span>: <span class="hljs-number">0</span>,
+ <span class="hljs-string">"Ke$ha"</span>: <span class="hljs-number">1</span>
+ }
+
+<span class="hljs-number">2</span>: Column data
+ [<span class="hljs-number">0</span>,
+ [<span class="hljs-number">0</span>,<span class="hljs-number">1</span>], <--Row value of multi-value column can have <span class="hljs-built_in">array</span> of values
+ <span class="hljs-number">1</span>,
+ <span class="hljs-number">1</span>]
+
+<span class="hljs-number">3</span>: Bitmaps - one <span class="hljs-keyword">for</span> each unique value
+ value=<span class="hljs-string">"Justin Bieber"</span>: [<span class="hljs-number">1</span>,<span class="hljs-number">1</span>,<span class="hljs-number">0</span>,<span class="hljs-number">0</span>]
+ value=<span class="hljs-string">"Ke$ha"</span>: [<span class="hljs-number">0</span>,<span class="hljs-number">1</span>,<span class="hljs-number">1</span>,<span class="hljs-number">1</span>]
+ ^
+ |
+ |
+ Multi-value column has multiple non-zero entries
+</code></pre>
+<p>Note the changes to the second row in the column data and the Ke$ha
+bitmap. If a row has more than one value for a column, its entry in
+the 'column data' is an array of values. Additionally, a row with <em>n</em>
+values in 'column data' will have <em>n</em> non-zero valued entries in
+bitmaps.</p>
+<h2><a class="anchor" aria-hidden="true" id="naming-convention"></a><a href="#naming-convention" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<p>Identifiers for segments are typically constructed using the segment datasource, interval start time (in ISO 8601 format), interval end time (in ISO 8601 format), and a version. If data is additionally sharded beyond a time range, the segment identifier will also contain a partition number.</p>
+<p>An example segment identifier may be:
+datasource_intervalStart_intervalEnd_version_partitionNum</p>
+<h2><a class="anchor" aria-hidden="true" id="segment-components"></a><a href="#segment-components" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Behind the scenes, a segment is comprised of several files, listed below.</p>
+<ul>
+<li><p><code>version.bin</code></p>
+<p>4 bytes representing the current segment version as an integer. E.g., for v9 segments, the version is 0x0, 0x0, 0x0, 0x9</p></li>
+<li><p><code>meta.smoosh</code></p>
+<p>A file with metadata (filenames and offsets) about the contents of the other <code>smoosh</code> files</p></li>
+<li><p><code>XXXXX.smoosh</code></p>
+<p>There are some number of these files, which are concatenated binary data</p>
+<p>The <code>smoosh</code> files represent multiple files "smooshed" together in order to minimize the number of file descriptors that must be open to house the data. They are files of up to 2GB in size (to match the limit of a memory mapped ByteBuffer in Java). The <code>smoosh</code> files house individual files for each of the columns in the data as well as an <code>index.drd</code> file with extra metadata about the segment.</p>
+<p>There is also a special column called <code>__time</code> that refers to the time column of the segment. This will hopefully become less and less special as the code evolves, but for now it’s as special as my Mommy always told me I am.</p></li>
+</ul>
+<p>In the codebase, segments have an internal format version. The current segment format version is <code>v9</code>.</p>
+<h2><a class="anchor" aria-hidden="true" id="format-of-a-column"></a><a href="#format-of-a-column" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Each column is stored as two parts:</p>
+<ol>
+<li>A Jackson-serialized ColumnDescriptor</li>
+<li>The rest of the binary for the column</li>
+</ol>
+<p>A ColumnDescriptor is essentially an object that allows us to use jackson’s polymorphic deserialization to add new and interesting methods of serialization with minimal impact to the code. It consists of some metadata about the column (what type is it, is it multi-value, etc.) and then a list of serde logic that can deserialize the rest of the binary.</p>
+<h2><a class="anchor" aria-hidden="true" id="sharding-data-to-create-segments"></a><a href="#sharding-data-to-create-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<h3><a class="anchor" aria-hidden="true" id="sharding"></a><a href="#sharding" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p>Multiple segments may exist for the same interval of time for the same datasource. These segments form a <code>block</code> for an interval.
+Depending on the type of <code>shardSpec</code> that is used to shard the data, Druid queries may only complete if a <code>block</code> is complete. That is to say, if a block consists of 3 segments, such as:</p>
+<p><code>sampleData_2011-01-01T02:00:00:00Z_2011-01-01T03:00:00:00Z_v1_0</code></p>
+<p><code>sampleData_2011-01-01T02:00:00:00Z_2011-01-01T03:00:00:00Z_v1_1</code></p>
+<p><code>sampleData_2011-01-01T02:00:00:00Z_2011-01-01T03:00:00:00Z_v1_2</code></p>
+<p>All 3 segments must be loaded before a query for the interval <code>2011-01-01T02:00:00:00Z_2011-01-01T03:00:00:00Z</code> completes.</p>
+<p>The exception to this rule is with using linear shard specs. Linear shard specs do not force 'completeness' and queries can complete even if shards are not loaded in the system.
+For example, if your real-time ingestion creates 3 segments that were sharded with linear shard spec, and only two of the segments were loaded in the system, queries would return results only for those 2 segments.</p>
+<h2><a class="anchor" aria-hidden="true" id="schema-changes"></a><a href="#schema-changes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h2><a class="anchor" aria-hidden="true" id="replacing-segments"></a><a href="#replacing-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>Druid uniquely
+identifies segments using the datasource, interval, version, and partition number. The partition number is only visible in the segment id if
+there are multiple segments created for some granularity of time. For example, if you have hourly segments, but you
+have more data in an hour than a single segment can hold, you can create multiple segments for the same hour. These segments will share
+the same datasource, interval, and version, but have linearly increasing partition numbers.</p>
+<pre><code class="hljs">foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v1_0
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v1_1
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v1_2
+</code></pre>
+<p>In the example segments above, the dataSource = foo, interval = 2015-01-01/2015-01-02, version = v1, partitionNum = 0.
+If at some later point in time, you reindex the data with a new schema, the newly created segments will have a higher version id.</p>
+<pre><code class="hljs">foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v2_0
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v2_1
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v2_2
+</code></pre>
+<p>Druid batch indexing (either Hadoop-based or IndexTask-based) guarantees atomic updates on an interval-by-interval basis.
+In our example, until all <code>v2</code> segments for <code>2015-01-01/2015-01-02</code> are loaded in a Druid cluster, queries exclusively use <code>v1</code> segments.
+Once all <code>v2</code> segments are loaded and queryable, all queries ignore <code>v1</code> segments and switch to the <code>v2</code> segments.
+Shortly afterwards, the <code>v1</code> segments are unloaded from the cluster.</p>
+<p>Note that updates that span multiple segment intervals are only atomic within each interval. They are not atomic across the entire update.
+For example, you have segments such as the following:</p>
+<pre><code class="hljs">foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v1_0
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-02</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-03</span>_v1_1
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-03</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-04</span>_v1_2
+</code></pre>
+<p><code>v2</code> segments will be loaded into the cluster as soon as they are built and replace <code>v1</code> segments for the period of time the
+segments overlap. Before v2 segments are completely loaded, your cluster may have a mixture of <code>v1</code> and <code>v2</code> segments.</p>
+<pre><code class="hljs">foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-01</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-02</span>_v1_0
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-02</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-03</span>_v2_1
+foo_2015<span class="hljs-number">-01</span><span class="hljs-number">-03</span>/<span class="hljs-number">2015</span><span class="hljs-number">-01</span><span class="hljs-number">-04</span>_v1_2
+</code></pre>
+<p>In this case, queries may hit a mixture of <code>v1</code> and <code>v2</code> segments.</p>
+<h2><a class="anchor" aria-hidden="true" id="different-schemas-among-segments"></a><a href="#different-schemas-among-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>Druid segments for the same datasource may have different schemas. If a string column (dimension) exists in one segment but not
+another, queries that involve both segments still work. Queries for the segment missing the dimension will behave as if the dimension has only null values.
+Similarly, if one segment has a numeric column (metric) but another does not, queries on the segment missing the
+metric will generally "do the right thing". Aggregations over this missing metric behave as if the metric were missing.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/architecture.html"><span class="arrow-prev">← </span><span>Design</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/processes.html"><span>Processes and servers</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#naming-convention">Naming Convention</a></li><li><a href="#seg [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/approximate-histograms.html b/docs/0.16.0-incubating/development/approximate-histograms.html
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@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="extensions-core/approximate-histograms.html">
+<meta http-equiv="refresh" content="0; url=extensions-core/approximate-histograms.html">
+<h1>Redirecting...</h1>
+<a href="extensions-core/approximate-histograms.html">Click here if you are not redirected.</a>
+<script>location="extensions-core/approximate-histograms.html"</script>
diff --git a/docs/0.16.0-incubating/development/build.html b/docs/0.16.0-incubating/development/build.html
new file mode 100644
index 0000000..d497cd5
--- /dev/null
+++ b/docs/0.16.0-incubating/development/build.html
@@ -0,0 +1,108 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Build from source · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Build from source · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" conten [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Build from source</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>You can build Apache Druid (incubating) directly from source. Please note that these instructions are for building the latest stable version of Druid.
+For building the latest code in master, follow the instructions <a href="https://github.com/apache/incubator-druid/blob/master/docs/0.16.0-incubating/content/development/build.md">here</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="prerequisites"></a><a href="#prerequisites" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<h5><a class="anchor" aria-hidden="true" id="installing-java-and-maven"></a><a href="#installing-java-and-maven" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
+<ul>
+<li>JDK 8, 8u92+. We recommend using an OpenJDK distribution that provides long-term support and open-source licensing,
+like <a href="https://aws.amazon.com/corretto/">Amazon Corretto</a> or <a href="https://www.azul.com/downloads/zulu/">Azul Zulu</a>.</li>
+<li><a href="http://maven.apache.org/download.cgi">Maven version 3.x</a></li>
+</ul>
+<h5><a class="anchor" aria-hidden="true" id="downloading-the-source"></a><a href="#downloading-the-source" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<pre><code class="hljs css language-bash">git <span class="hljs-built_in">clone</span> git@github.com:apache/incubator-druid.git
+<span class="hljs-built_in">cd</span> druid
+</code></pre>
+<h4><a class="anchor" aria-hidden="true" id="building-the-source"></a><a href="#building-the-source" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>The basic command to build Druid from source is:</p>
+<pre><code class="hljs css language-bash">mvn clean install
+</code></pre>
+<p>This will run static analysis, unit tests, compile classes, and package the projects into JARs. It will <em>not</em> generate the source or binary distribution tarball.</p>
+<p>In addition to the basic stages, you may also want to add the following profiles and properties:</p>
+<ul>
+<li><strong>-Pdist</strong> - Distribution profile: Generates the binary distribution tarball by pulling in core extensions and dependencies and packaging the files as <code>distribution/target/apache-druid-x.x.x-bin.tar.gz</code></li>
+<li><strong>-Papache-release</strong> - Apache release profile: Generates GPG signature and checksums, and builds the source distribution tarball as <code>distribution/target/apache-druid-x.x.x-src.tar.gz</code></li>
+<li><strong>-Prat</strong> - Apache Rat profile: Runs the Apache Rat license audit tool</li>
+<li><strong>-DskipTests</strong> - Skips unit tests (which reduces build time)</li>
+</ul>
+<p>Putting these together, if you wish to build the source and binary distributions with signatures and checksums, audit licenses, and skip the unit tests, you would run:</p>
+<pre><code class="hljs css language-bash">mvn clean install -Papache-release,dist,rat -DskipTests
+</code></pre>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/javascript.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">JavaScript functionality</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/versioning.html"><span>Versioning</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id [...]
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diff --git a/docs/0.16.0-incubating/development/community-extensions/azure.html b/docs/0.16.0-incubating/development/community-extensions/azure.html
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index 0000000..67da9a3
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+++ b/docs/0.16.0-incubating/development/community-extensions/azure.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-contrib/azure.html">
+<meta http-equiv="refresh" content="0; url=../extensions-contrib/azure.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-contrib/azure.html">Click here if you are not redirected.</a>
+<script>location="../extensions-contrib/azure.html"</script>
diff --git a/docs/0.16.0-incubating/development/community-extensions/cassandra.html b/docs/0.16.0-incubating/development/community-extensions/cassandra.html
new file mode 100644
index 0000000..7026a6a
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+++ b/docs/0.16.0-incubating/development/community-extensions/cassandra.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-contrib/cassandra.html">
+<meta http-equiv="refresh" content="0; url=../extensions-contrib/cassandra.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-contrib/cassandra.html">Click here if you are not redirected.</a>
+<script>location="../extensions-contrib/cassandra.html"</script>
diff --git a/docs/0.16.0-incubating/development/community-extensions/cloudfiles.html b/docs/0.16.0-incubating/development/community-extensions/cloudfiles.html
new file mode 100644
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+++ b/docs/0.16.0-incubating/development/community-extensions/cloudfiles.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-contrib/cloudfiles.html">
+<meta http-equiv="refresh" content="0; url=../extensions-contrib/cloudfiles.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-contrib/cloudfiles.html">Click here if you are not redirected.</a>
+<script>location="../extensions-contrib/cloudfiles.html"</script>
diff --git a/docs/0.16.0-incubating/development/community-extensions/graphite.html b/docs/0.16.0-incubating/development/community-extensions/graphite.html
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index 0000000..dc31894
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+++ b/docs/0.16.0-incubating/development/community-extensions/graphite.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-contrib/graphite.html">
+<meta http-equiv="refresh" content="0; url=../extensions-contrib/graphite.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-contrib/graphite.html">Click here if you are not redirected.</a>
+<script>location="../extensions-contrib/graphite.html"</script>
diff --git a/docs/0.16.0-incubating/development/community-extensions/kafka-simple.html b/docs/0.16.0-incubating/development/community-extensions/kafka-simple.html
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+++ b/docs/0.16.0-incubating/development/community-extensions/kafka-simple.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-core/kafka-ingestion.html">
+<meta http-equiv="refresh" content="0; url=../extensions-core/kafka-ingestion.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-core/kafka-ingestion.html">Click here if you are not redirected.</a>
+<script>location="../extensions-core/kafka-ingestion.html"</script>
diff --git a/docs/0.16.0-incubating/development/community-extensions/rabbitmq.html b/docs/0.16.0-incubating/development/community-extensions/rabbitmq.html
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+++ b/docs/0.16.0-incubating/development/community-extensions/rabbitmq.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-core/kafka-ingestion.html">
+<meta http-equiv="refresh" content="0; url=../extensions-core/kafka-ingestion.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-core/kafka-ingestion.html">Click here if you are not redirected.</a>
+<script>location="../extensions-core/kafka-ingestion.html"</script>
diff --git a/docs/0.16.0-incubating/development/datasketches-aggregators.html b/docs/0.16.0-incubating/development/datasketches-aggregators.html
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index 0000000..9ef81f4
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+++ b/docs/0.16.0-incubating/development/datasketches-aggregators.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="extensions-core/datasketches-extension.html">
+<meta http-equiv="refresh" content="0; url=extensions-core/datasketches-extension.html">
+<h1>Redirecting...</h1>
+<a href="extensions-core/datasketches-extension.html">Click here if you are not redirected.</a>
+<script>location="extensions-core/datasketches-extension.html"</script>
diff --git a/docs/0.16.0-incubating/development/experimental.html b/docs/0.16.0-incubating/development/experimental.html
new file mode 100644
index 0000000..97d0811
--- /dev/null
+++ b/docs/0.16.0-incubating/development/experimental.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Experimental features · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Experimental features · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Experimental features</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>Features often start out in "experimental" status that indicates they are still evolving.
+This can mean any of the following things:</p>
+<ol>
+<li>The feature's API may change even in minor releases or patch releases.</li>
+<li>The feature may have known "missing" pieces that will be added later.</li>
+<li>The feature may or may not have received full battle-testing in production environments.</li>
+</ol>
+<p>All experimental features are optional.</p>
+<p>Note that not all of these points apply to every experimental feature. Some have been battle-tested in terms of
+implementation, but are still marked experimental due to an evolving API. Please check the documentation for each
+feature for full details.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/versioning.html"><span class="arrow-prev">← </span><span>Versioning</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/misc/math-expr.html"><span>Expressions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-ce [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Ambari Metrics Emitter · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Ambari Metrics Emitter · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:u [...]
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+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
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+ if (el.tagName === 'A') {
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Ambari Metrics Emitter</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>ambari-metrics-emitter</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>This extension emits Druid metrics to a ambari-metrics carbon server.
+Events are sent after been <a href="http://ambari-metrics.readthedocs.org/en/latest/feeding-carbon.html#the-pickle-protocol">pickled</a>; the size of the batch is configurable.</p>
+<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>All the configuration parameters for ambari-metrics emitter are under <code>druid.emitter.ambari-metrics</code>.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>required?</th><th>default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.ambari-metrics.hostname</code></td><td>The hostname of the ambari-metrics server.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.port</code></td><td>The port of the ambari-metrics server.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.protocol</code></td><td>The protocol used to send metrics to ambari metrics collector. One of http/https</td><td>no</td><td>http</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.trustStorePath</code></td><td>Path to trustStore to be used for https</td><td>no</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.trustStoreType</code></td><td>trustStore type to be used for https</td><td>no</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.trustStoreType</code></td><td>trustStore password to be used for https</td><td>no</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.batchSize</code></td><td>Number of events to send as one batch.</td><td>no</td><td>100</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.eventConverter</code></td><td>Filter and converter of druid events to ambari-metrics timeline event(please see next section).</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.flushPeriod</code></td><td>Queue flushing period in milliseconds.</td><td>no</td><td>1 minute</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.maxQueueSize</code></td><td>Maximum size of the queue used to buffer events.</td><td>no</td><td><code>MAX_INT</code></td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.alertEmitters</code></td><td>List of emitters where alerts will be forwarded to.</td><td>no</td><td>empty list (no forwarding)</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.emitWaitTime</code></td><td>wait time in milliseconds to try to send the event otherwise emitter will throwing event.</td><td>no</td><td>0</td></tr>
+<tr><td><code>druid.emitter.ambari-metrics.waitForEventTime</code></td><td>waiting time in milliseconds if necessary for an event to become available.</td><td>no</td><td>1000 (1 sec)</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="druid-to-ambari-metrics-timeline-event-converter"></a><a href="#druid-to-ambari-metrics-timeline-event-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9z [...]
+<p>Ambari Metrics Timeline Event Converter defines a mapping between druid metrics name plus dimensions to a timeline event metricName.
+ambari-metrics metric path is organized using the following schema:
+<code><namespacePrefix>.[<druid service name>].[<druid hostname>].<druid metrics dimensions>.<druid metrics name></code>
+Properly naming the metrics is critical to avoid conflicts, confusing data and potentially wrong interpretation later on.</p>
+<p>Example <code>druid.historical.hist-host1:8080.MyDataSourceName.GroupBy.query/time</code>:</p>
+<ul>
+<li><code>druid</code> -> namespace prefix</li>
+<li><code>historical</code> -> service name</li>
+<li><code>hist-host1:8080</code> -> druid hostname</li>
+<li><code>MyDataSourceName</code> -> dimension value</li>
+<li><code>GroupBy</code> -> dimension value</li>
+<li><code>query/time</code> -> metric name</li>
+</ul>
+<p>We have two different implementation of event converter:</p>
+<h4><a class="anchor" aria-hidden="true" id="send-all-converter"></a><a href="#send-all-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>The first implementation called <code>all</code>, will send all the druid service metrics events.
+The path will be in the form <code><namespacePrefix>.[<druid service name>].[<druid hostname>].<dimensions values ordered by dimension's name>.<metric></code>
+User has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code></p>
+<pre><code class="hljs css language-json">
+druid.emitter.ambari-metrics.eventConverter={"type":"all", "namespacePrefix": "druid.test", "appName":"druid"}
+
+</code></pre>
+<h4><a class="anchor" aria-hidden="true" id="white-list-based-converter"></a><a href="#white-list-based-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The second implementation called <code>whiteList</code>, will send only the white listed metrics and dimensions.
+Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
+White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
+<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
+This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
+<pre><code class="hljs css language-json">
+druid.emitter.ambari-metrics.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "appName":"druid", "mapPath":"/pathPrefix/fileName.json"}
+
+</code></pre>
+<p><strong>Druid emits a huge number of metrics we highly recommend to use the <code>whiteList</code> converter</strong></p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/test-stats.html"><span class="arrow-prev">← </span><span>Test Stats Aggregators</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/azure.html"><span>Microsoft Azure</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#introduction" [...]
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+++ b/docs/0.16.0-incubating/development/extensions-contrib/azure.html
@@ -0,0 +1,147 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Microsoft Azure · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Microsoft Azure · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="h [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Microsoft Azure</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-azure-extensions</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p><a href="http://azure.microsoft.com/en-us/services/storage/">Microsoft Azure Storage</a> is another option for deep storage. This requires some additional Druid configuration.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>azure</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.azure.account</code></td><td></td><td>Azure Storage account name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.azure.key</code></td><td></td><td>Azure Storage account key.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.azure.container</code></td><td></td><td>Azure Storage container name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.azure.protocol</code></td><td>http or https</td><td></td><td>https</td></tr>
+<tr><td><code>druid.azure.maxTries</code></td><td></td><td>Number of tries before cancel an Azure operation.</td><td>3</td></tr>
+</tbody>
+</table>
+<p>See <a href="http://azure.microsoft.com/en-us/pricing/free-trial/">Azure Services</a> for more information.</p>
+<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p><a name="firehose"></a></p>
+<h4><a class="anchor" aria-hidden="true" id="staticazureblobstorefirehose"></a><a href="#staticazureblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Azure Blob Store.</p>
+<p>Data is newline delimited, with one JSON object per line and parsed as per the <code>InputRowParser</code> configuration.</p>
+<p>The storage account is shared with the one used for Azure deep storage functionality, but blobs can be in a different container.</p>
+<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
+<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
+Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
+<p>Sample spec:</p>
+<pre><code class="hljs css language-json">"firehose" : {
+ "type" : "static-azure-blobstore",
+ "blobs": [
+ {
+ "container": "container",
+ "path": "/path/to/your/file.json"
+ },
+ {
+ "container": "anothercontainer",
+ "path": "/another/path.json"
+ }
+ ]
+}
+</code></pre>
+<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
+shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>type</td><td>This should be <code>static-azure-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>blobs</td><td>JSON array of <a href="https://msdn.microsoft.com/en-us/library/azure/ee691964.aspx">Azure blobs</a>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Azure objects.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
+<tr><td>fetchTimeout</td><td>Timeout for fetching an Azure object.</td><td>60000</td><td>no</td></tr>
+<tr><td>maxFetchRetry</td><td>Maximum retry for fetching an Azure object.</td><td>3</td><td>no</td></tr>
+</tbody>
+</table>
+<p>Azure Blobs:</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>container</td><td>Name of the azure <a href="https://azure.microsoft.com/en-us/documentation/articles/storage-dotnet-how-to-use-blobs/#create-a-container">container</a></td><td>N/A</td><td>yes</td></tr>
+<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html"><span class="arrow-prev">← </span><span>Ambari Metrics Emitter</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html"><span>Apache Cassandra</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Cassandra · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Cassandra · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Cassandra</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-cassandra-storage</code> extension.</p>
+<p><a href="http://www.datastax.com/what-we-offer/products-services/datastax-enterprise/apache-cassandra">Apache Cassandra</a> can also
+be leveraged for deep storage. This requires some additional Druid configuration as well as setting up the necessary
+schema within a Cassandra keystore.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/azure.html"><span class="arrow-prev">← </span><span>Microsoft Azure</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html"><span>Rackspace Cloud Files</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html b/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
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--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
@@ -0,0 +1,151 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Rackspace Cloud Files · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Rackspace Cloud Files · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Rackspace Cloud Files</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-cloudfiles-extensions</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p><a href="http://www.rackspace.com/cloud/files/">Rackspace Cloud Files</a> is another option for deep storage. This requires some additional Druid configuration.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>cloudfiles</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.storage.region</code></td><td></td><td>Rackspace Cloud Files region.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.storage.container</code></td><td></td><td>Rackspace Cloud Files container name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.storage.basePath</code></td><td></td><td>Rackspace Cloud Files base path to use in the container.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.storage.operationMaxRetries</code></td><td></td><td>Number of tries before cancel a Rackspace operation.</td><td>10</td></tr>
+<tr><td><code>druid.cloudfiles.userName</code></td><td></td><td>Rackspace Cloud username</td><td>Must be set.</td></tr>
+<tr><td><code>druid.cloudfiles.apiKey</code></td><td></td><td>Rackspace Cloud api key.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.cloudfiles.provider</code></td><td>rackspace-cloudfiles-us,rackspace-cloudfiles-uk</td><td>Name of the provider depending on the region.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.cloudfiles.useServiceNet</code></td><td>true,false</td><td>Whether to use the internal service net.</td><td>true</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p><a name="firehose"></a></p>
+<h4><a class="anchor" aria-hidden="true" id="staticcloudfilesfirehose"></a><a href="#staticcloudfilesfirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>This firehose ingests events, similar to the StaticAzureBlobStoreFirehose, but from Rackspace's Cloud Files.</p>
+<p>Data is newline delimited, with one JSON object per line and parsed as per the <code>InputRowParser</code> configuration.</p>
+<p>The storage account is shared with the one used for Racksapce's Cloud Files deep storage functionality, but blobs can be in a different region and container.</p>
+<p>As with the Azure blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
+<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
+Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
+<p>Sample spec:</p>
+<pre><code class="hljs css language-json">"firehose" : {
+ "type" : "static-cloudfiles",
+ "blobs": [
+ {
+ "region": "DFW"
+ "container": "container",
+ "path": "/path/to/your/file.json"
+ },
+ {
+ "region": "ORD"
+ "container": "anothercontainer",
+ "path": "/another/path.json"
+ }
+ ]
+}
+</code></pre>
+<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
+shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>type</td><td>This should be <code>static-cloudfiles</code>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>blobs</td><td>JSON array of Cloud Files blobs.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>fetchTimeout</td><td>Timeout for fetching a Cloud Files object.</td><td>60000</td><td>no</td></tr>
+<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Cloud Files object.</td><td>3</td><td>no</td></tr>
+</tbody>
+</table>
+<p>Cloud Files Blobs:</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>container</td><td>Name of the Cloud Files container</td><td>N/A</td><td>yes</td></tr>
+<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html"><span class="arrow-prev">← </span><span>Apache Cassandra</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html"><span class="function-name-prevnext">DistinctCount Aggregator</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul clas [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html b/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
new file mode 100644
index 0000000..32e198f
--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
@@ -0,0 +1,143 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>DistinctCount Aggregator · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="DistinctCount Aggregator · Apache Druid"/><meta property="og:type" content="website"/><meta property=" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DistinctCount Aggregator</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> the <code>druid-distinctcount</code> extension.</p>
+<p>Additionally, follow these steps:</p>
+<ol>
+<li>First, use a single dimension hash-based partition spec to partition data by a single dimension. For example visitor_id. This to make sure all rows with a particular value for that dimension will go into the same segment, or this might over count.</li>
+<li>Second, use distinctCount to calculate the distinct count, make sure queryGranularity is divided exactly by segmentGranularity or else the result will be wrong.</li>
+</ol>
+<p>There are some limitations, when used with groupBy, the groupBy keys' numbers should not exceed maxIntermediateRows in every segment. If exceeded the result will be wrong. When used with topN, numValuesPerPass should not be too big. If too big the distinctCount will use a lot of memory and might cause the JVM to go our of memory.</p>
+<p>Example:</p>
+<h2><a class="anchor" aria-hidden="true" id="timeseries-query"></a><a href="#timeseries-query" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"queryType"</span>: <span class="hljs-string">"timeseries"</span>,
+ <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"sample_datasource"</span>,
+ <span class="hljs-attr">"granularity"</span>: <span class="hljs-string">"day"</span>,
+ <span class="hljs-attr">"aggregations"</span>: [
+ {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"distinctCount"</span>,
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"uv"</span>,
+ <span class="hljs-attr">"fieldName"</span>: <span class="hljs-string">"visitor_id"</span>
+ }
+ ],
+ <span class="hljs-attr">"intervals"</span>: [
+ <span class="hljs-string">"2016-03-01T00:00:00.000/2013-03-20T00:00:00.000"</span>
+ ]
+}
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="topn-query"></a><a href="#topn-query" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"queryType"</span>: <span class="hljs-string">"topN"</span>,
+ <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"sample_datasource"</span>,
+ <span class="hljs-attr">"dimension"</span>: <span class="hljs-string">"sample_dim"</span>,
+ <span class="hljs-attr">"threshold"</span>: <span class="hljs-number">5</span>,
+ <span class="hljs-attr">"metric"</span>: <span class="hljs-string">"uv"</span>,
+ <span class="hljs-attr">"granularity"</span>: <span class="hljs-string">"all"</span>,
+ <span class="hljs-attr">"aggregations"</span>: [
+ {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"distinctCount"</span>,
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"uv"</span>,
+ <span class="hljs-attr">"fieldName"</span>: <span class="hljs-string">"visitor_id"</span>
+ }
+ ],
+ <span class="hljs-attr">"intervals"</span>: [
+ <span class="hljs-string">"2016-03-06T00:00:00/2016-03-06T23:59:59"</span>
+ ]
+}
+</code></pre>
+<h2><a class="anchor" aria-hidden="true" id="groupby-query"></a><a href="#groupby-query" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<pre><code class="hljs css language-json">{
+ <span class="hljs-attr">"queryType"</span>: <span class="hljs-string">"groupBy"</span>,
+ <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"sample_datasource"</span>,
+ <span class="hljs-attr">"dimensions"</span>: <span class="hljs-string">"[sample_dim]"</span>,
+ <span class="hljs-attr">"granularity"</span>: <span class="hljs-string">"all"</span>,
+ <span class="hljs-attr">"aggregations"</span>: [
+ {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"distinctCount"</span>,
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"uv"</span>,
+ <span class="hljs-attr">"fieldName"</span>: <span class="hljs-string">"visitor_id"</span>
+ }
+ ],
+ <span class="hljs-attr">"intervals"</span>: [
+ <span class="hljs-string">"2016-03-06T00:00:00/2016-03-06T23:59:59"</span>
+ ]
+}
+</code></pre>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html"><span class="arrow-prev">← </span><span>Rackspace Cloud Files</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/google.html"><span>Google Cloud Storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#times [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/google.html b/docs/0.16.0-incubating/development/extensions-contrib/google.html
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@@ -0,0 +1,142 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Google Cloud Storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Google Cloud Storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Google Cloud Storage</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-google-extensions</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Deep storage can be written to Google Cloud Storage either via this extension or the <a href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html">druid-hdfs-storage extension</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>google</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.bucket</code></td><td></td><td>GCS bucket name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.prefix</code></td><td></td><td>GCS prefix.</td><td>Must be set.</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p><a name="firehose"></a></p>
+<h4><a class="anchor" aria-hidden="true" id="staticgoogleblobstorefirehose"></a><a href="#staticgoogleblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Google Cloud Store.</p>
+<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
+<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
+Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
+<p>Sample spec:</p>
+<pre><code class="hljs css language-json">"firehose" : {
+ "type" : "static-google-blobstore",
+ "blobs": [
+ {
+ "bucket": "foo",
+ "path": "/path/to/your/file.json"
+ },
+ {
+ "bucket": "bar",
+ "path": "/another/path.json"
+ }
+ ]
+}
+</code></pre>
+<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
+shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>type</td><td>This should be <code>static-google-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>blobs</td><td>JSON array of Google Blobs.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Google Blobs.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
+<tr><td>fetchTimeout</td><td>Timeout for fetching a Google Blob.</td><td>60000</td><td>no</td></tr>
+<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Google Blob.</td><td>3</td><td>no</td></tr>
+</tbody>
+</table>
+<p>Google Blobs:</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>bucket</td><td>Name of the Google Cloud bucket</td><td>N/A</td><td>yes</td></tr>
+<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">DistinctCount Aggregator</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html"><span>Graphite Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/graphite.html b/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
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--- /dev/null
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@@ -0,0 +1,151 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Graphite Emitter · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Graphite Emitter · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Graphite Emitter</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>graphite-emitter</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>This extension emits druid metrics to a graphite carbon server.
+Metrics can be sent by using <a href="http://graphite.readthedocs.io/en/latest/feeding-carbon.html#the-plaintext-protocol">plaintext</a> or <a href="http://graphite.readthedocs.io/en/latest/feeding-carbon.html#the-pickle-protocol">pickle</a> protocol.
+The pickle protocol is more efficient and supports sending batches of metrics (plaintext protocol send only one metric) in one request; batch size is configurable.</p>
+<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>All the configuration parameters for graphite emitter are under <code>druid.emitter.graphite</code>.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>required?</th><th>default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.graphite.hostname</code></td><td>The hostname of the graphite server.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.graphite.port</code></td><td>The port of the graphite server.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.graphite.batchSize</code></td><td>Number of events to send as one batch (only for pickle protocol)</td><td>no</td><td>100</td></tr>
+<tr><td><code>druid.emitter.graphite.protocol</code></td><td>Graphite protocol; available protocols: pickle, plaintext.</td><td>no</td><td>pickle</td></tr>
+<tr><td><code>druid.emitter.graphite.eventConverter</code></td><td>Filter and converter of druid events to graphite event (please see next section).</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.graphite.flushPeriod</code></td><td>Queue flushing period in milliseconds.</td><td>no</td><td>1 minute</td></tr>
+<tr><td><code>druid.emitter.graphite.maxQueueSize</code></td><td>Maximum size of the queue used to buffer events.</td><td>no</td><td><code>MAX_INT</code></td></tr>
+<tr><td><code>druid.emitter.graphite.alertEmitters</code></td><td>List of emitters where alerts will be forwarded to. This is a JSON list of emitter names, e.g. <code>["logging", "http"]</code></td><td>no</td><td>empty list (no forwarding)</td></tr>
+<tr><td><code>druid.emitter.graphite.requestLogEmitters</code></td><td>List of emitters where request logs (i.e., query logging events sent to emitters when <code>druid.request.logging.type</code> is set to <code>emitter</code>) will be forwarded to. This is a JSON list of emitter names, e.g. <code>["logging", "http"]</code></td><td>no</td><td>empty list (no forwarding)</td></tr>
+<tr><td><code>druid.emitter.graphite.emitWaitTime</code></td><td>wait time in milliseconds to try to send the event otherwise emitter will throwing event.</td><td>no</td><td>0</td></tr>
+<tr><td><code>druid.emitter.graphite.waitForEventTime</code></td><td>waiting time in milliseconds if necessary for an event to become available.</td><td>no</td><td>1000 (1 sec)</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="supported-event-types"></a><a href="#supported-event-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<p>The graphite emitter only emits service metric events to graphite (See <a href="/docs/0.16.0-incubating/operations/metrics.html">Druid Metrics</a> for a list of metrics).</p>
+<p>Alerts and request logs are not sent to graphite. These event types are not well represented in Graphite, which is more suited for timeseries views on numeric metrics, vs. storing non-numeric log events.</p>
+<p>Instead, alerts and request logs are optionally forwarded to other emitter implementations, specified by <code>druid.emitter.graphite.alertEmitters</code> and <code>druid.emitter.graphite.requestLogEmitters</code> respectively.</p>
+<h3><a class="anchor" aria-hidden="true" id="druid-to-graphite-event-converter"></a><a href="#druid-to-graphite-event-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<p>Graphite Event Converter defines a mapping between druid metrics name plus dimensions to a Graphite metric path.
+Graphite metric path is organized using the following schema:
+<code><namespacePrefix>.[<druid service name>].[<druid hostname>].<druid metrics dimensions>.<druid metrics name></code>
+Properly naming the metrics is critical to avoid conflicts, confusing data and potentially wrong interpretation later on.</p>
+<p>Example <code>druid.historical.hist-host1_yahoo_com:8080.MyDataSourceName.GroupBy.query/time</code>:</p>
+<ul>
+<li><code>druid</code> -> namespace prefix</li>
+<li><code>historical</code> -> service name</li>
+<li><code>hist-host1.yahoo.com:8080</code> -> druid hostname</li>
+<li><code>MyDataSourceName</code> -> dimension value</li>
+<li><code>GroupBy</code> -> dimension value</li>
+<li><code>query/time</code> -> metric name</li>
+</ul>
+<p>We have two different implementation of event converter:</p>
+<h4><a class="anchor" aria-hidden="true" id="send-all-converter"></a><a href="#send-all-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
+<p>The first implementation called <code>all</code>, will send all the druid service metrics events.
+The path will be in the form <code><namespacePrefix>.[<druid service name>].[<druid hostname>].<dimensions values ordered by dimension's name>.<metric></code>
+User has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code></p>
+<p>You can omit the hostname by setting <code>ignoreHostname=true</code>
+<code>druid.SERVICE_NAME.dataSourceName.queryType.query/time</code></p>
+<p>You can omit the service name by setting <code>ignoreServiceName=true</code>
+<code>druid.HOSTNAME.dataSourceName.queryType.query/time</code></p>
+<p>Elements in metric name by default are separated by "/", so graphite will create all metrics on one level. If you want to have metrics in the tree structure, you have to set <code>replaceSlashWithDot=true</code>
+Original: <code>druid.HOSTNAME.dataSourceName.queryType.query/time</code>
+Changed: <code>druid.HOSTNAME.dataSourceName.queryType.query.time</code></p>
+<pre><code class="hljs css language-json">
+druid.emitter.graphite.eventConverter={"type":"all", "namespacePrefix": "druid.test", "ignoreHostname":true, "ignoreServiceName":true}
+
+</code></pre>
+<h4><a class="anchor" aria-hidden="true" id="white-list-based-converter"></a><a href="#white-list-based-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The second implementation called <code>whiteList</code>, will send only the white listed metrics and dimensions.
+Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
+White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
+<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
+This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
+<pre><code class="hljs css language-json">
+druid.emitter.graphite.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "ignoreServiceName":true, "mapPath":"/pathPrefix/fileName.json"}
+
+</code></pre>
+<p><strong>Druid emits a huge number of metrics we highly recommend to use the <code>whiteList</code> converter</strong></p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/google.html"><span class="arrow-prev">← </span><span>Google Cloud Storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/aggregations.html"><span>Aggregations</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>InfluxDB Line Protocol Parser · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="InfluxDB Line Protocol Parser · Apache Druid"/><meta property="og:type" content="website"/><meta [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
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+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Line Protocol Parser</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-influx-extensions</code>.</p>
+<p>This extension enables Druid to parse the <a href="https://docs.influxdata.com/influxdb/v1.5/write_protocols/line_protocol_tutorial/">InfluxDB Line Protocol</a>, a popular text-based timeseries metric serialization format.</p>
+<h2><a class="anchor" aria-hidden="true" id="line-protocol"></a><a href="#line-protocol" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>A typical line looks like this:</p>
+<p><code>cpu,application=dbhost=prdb123,region=us-east-1 usage_idle=99.24,usage_user=0.55 1520722030000000000</code></p>
+<p>which contains four parts:</p>
+<ul>
+<li>measurement: A string indicating the name of the measurement represented (e.g. cpu, network, web_requests)</li>
+<li>tags: zero or more key-value pairs (i.e. dimensions)</li>
+<li>measurements: one or more key-value pairs; values can be numeric, boolean, or string</li>
+<li>timestamp: nanoseconds since Unix epoch (the parser truncates it to milliseconds)</li>
+</ul>
+<p>The parser extracts these fields into a map, giving the measurement the key <code>measurement</code> and the timestamp the key <code>_ts</code>. The tag and measurement keys are copied verbatim, so users should take care to avoid name collisions. It is up to the ingestion spec to decide which fields should be treated as dimensions and which should be treated as metrics (typically tags correspond to dimensions and measurements correspond to metrics).</p>
+<p>The parser is configured like so:</p>
+<pre><code class="hljs css language-json">"parser": {
+ "type": "string",
+ "parseSpec": {
+ "format": "influx",
+ "timestampSpec": {
+ "column": "__ts",
+ "format": "millis"
+ },
+ "dimensionsSpec": {
+ "dimensionExclusions": [
+ "__ts"
+ ]
+ },
+ "whitelistMeasurements": [
+ "cpu"
+ ]
+ }
+</code></pre>
+<p>The <code>whitelistMeasurements</code> field is an optional list of strings. If present, measurements that do not match one of the strings in the list will be ignored.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/querying/virtual-columns.html"><span class="arrow-prev">← </span><span>Virtual Columns</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html"><span class="function-name-prevnext">InfluxDB Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li>< [...]
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+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>InfluxDB Emitter · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="InfluxDB Emitter · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content= [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
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+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
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+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
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+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
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+ el = el.parentNode;
+ }
+ }
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+ var toggler = document.querySelector(togglerSelector);
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+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
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+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Emitter</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-influxdb-emitter</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>This extension emits druid metrics to <a href="https://www.influxdata.com/time-series-platform/influxdb/">InfluxDB</a> over HTTP. Currently this emitter only emits service metric events to InfluxDB (See <a href="/docs/0.16.0-incubating/operations/metrics.html">Druid metrics</a> for a list of metrics).
+When a metric event is fired it is added to a queue of events. After a configurable amount of time, the events on the queue are transformed to InfluxDB's line protocol
+and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point. The queue is also flushed as the emitter is shutdown.</p>
+<p>Note that authentication and authorization must be <a href="https://docs.influxdata.com/influxdb/v1.7/administration/authentication_and_authorization/">enabled</a> on the InfluxDB server.</p>
+<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>All the configuration parameters for the influxdb emitter are under <code>druid.emitter.influxdb</code>.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Required?</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.influxdb.hostname</code></td><td>The hostname of the InfluxDB server.</td><td>Yes</td><td>N/A</td></tr>
+<tr><td><code>druid.emitter.influxdb.port</code></td><td>The port of the InfluxDB server.</td><td>No</td><td>8086</td></tr>
+<tr><td><code>druid.emitter.influxdb.databaseName</code></td><td>The name of the database in InfluxDB.</td><td>Yes</td><td>N/A</td></tr>
+<tr><td><code>druid.emitter.influxdb.maxQueueSize</code></td><td>The size of the queue that holds events.</td><td>No</td><td>Integer.Max_Value(=2^31-1)</td></tr>
+<tr><td><code>druid.emitter.influxdb.flushPeriod</code></td><td>How often (in milliseconds) the events queue is parsed into Line Protocol and POSTed to InfluxDB.</td><td>No</td><td>60000</td></tr>
+<tr><td><code>druid.emitter.influxdb.flushDelay</code></td><td>How long (in milliseconds) the scheduled method will wait until it first runs.</td><td>No</td><td>60000</td></tr>
+<tr><td><code>druid.emitter.influxdb.influxdbUserName</code></td><td>The username for authenticating with the InfluxDB database.</td><td>Yes</td><td>N/A</td></tr>
+<tr><td><code>druid.emitter.influxdb.influxdbPassword</code></td><td>The password of the database authorized user</td><td>Yes</td><td>N/A</td></tr>
+<tr><td><code>druid.emitter.influxdb.dimensionWhitelist</code></td><td>A whitelist of metric dimensions to include as tags</td><td>No</td><td><code>["dataSource","type","numMetrics","numDimensions","threshold","dimension","taskType","taskStatus","tier"]</code></td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="influxdb-line-protocol"></a><a href="#influxdb-line-protocol" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<p>An example of how this emitter parses a Druid metric event into InfluxDB's <a href="https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_reference/">line protocol</a> is given here:</p>
+<p>The syntax of the line protocol is :</p>
+<p><code><measurement>[,<tag_key>=<tag_value>[,<tag_key>=<tag_value>]] <field_key>=<field_value>[,<field_key>=<field_value>] [<timestamp>]</code></p>
+<p>where timestamp is in nano-seconds since epoch.</p>
+<p>A typical service metric event as recorded by Druid's logging emitter is: <code>Event [{"feed":"metrics","timestamp":"2017-10-31T09:09:06.857Z","service":"druid/historical","host":"historical001:8083","version":"0.11.0-SNAPSHOT","metric":"query/cache/total/hits","value":34787256}]</code>.</p>
+<p>This event is parsed into line protocol according to these rules:</p>
+<ul>
+<li>The measurement becomes druid_query since query is the first part of the metric.</li>
+<li>The tags are service=druid/historical, hostname=historical001, metric=druid_cache_total. (The metric tag is the middle part of the druid metric separated with _ and preceded by druid_. Another example would be if an event has metric=query/time then there is no middle part and hence no metric tag)</li>
+<li>The field is druid_hits since this is the last part of the metric.</li>
+</ul>
+<p>This gives the following String which can be POSTed to InfluxDB: <code>"druid_query,service=druid/historical,hostname=historical001,metric=druid_cache_total druid_hits=34787256 1509440946857000000"</code></p>
+<p>The InfluxDB emitter has a white list of dimensions
+which will be added as a tag to the line protocol string if the metric has a dimension from the white list.
+The value of the dimension is sanitized such that every occurence of a dot or whitespace is replaced with a <code>_</code> .</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/influx.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">InfluxDB Line Protocol Parser</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html"><span>Kafka Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
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index 0000000..7592cbe
--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
@@ -0,0 +1,106 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Kafka Emitter · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Kafka Emitter · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Kafka Emitter</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>kafka-emitter</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>This extension emits Druid metrics to <a href="https://kafka.apache.org">Apache Kafka</a> directly with JSON format.<br>
+Currently, Kafka has not only their nice ecosystem but also consumer API readily available.
+So, If you currently use Kafka, It's easy to integrate various tool or UI
+to monitor the status of your Druid cluster with this extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>All the configuration parameters for the Kafka emitter are under <code>druid.emitter.kafka</code>.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>required?</th><th>default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.emitter.kafka.bootstrap.servers</code></td><td>Comma-separated Kafka broker. (<code>[hostname:port],[hostname:port]...</code>)</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.kafka.metric.topic</code></td><td>Kafka topic name for emitter's target to emit service metric.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.kafka.alert.topic</code></td><td>Kafka topic name for emitter's target to emit alert.</td><td>yes</td><td>none</td></tr>
+<tr><td><code>druid.emitter.kafka.producer.config</code></td><td>JSON formatted configuration which user want to set additional properties to Kafka producer.</td><td>no</td><td>none</td></tr>
+<tr><td><code>druid.emitter.kafka.clusterName</code></td><td>Optional value to specify name of your druid cluster. It can help make groups in your monitoring environment.</td><td>no</td><td>none</td></tr>
+</tbody>
+</table>
+<h3><a class="anchor" aria-hidden="true" id="example"></a><a href="#example" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<pre><code class="hljs">druid<span class="hljs-selector-class">.emitter</span><span class="hljs-selector-class">.kafka</span><span class="hljs-selector-class">.bootstrap</span><span class="hljs-selector-class">.servers</span>=hostname1:<span class="hljs-number">9092</span>,hostname2:<span class="hljs-number">9092</span>
+druid<span class="hljs-selector-class">.emitter</span><span class="hljs-selector-class">.kafka</span><span class="hljs-selector-class">.metric</span><span class="hljs-selector-class">.topic</span>=druid-metric
+druid<span class="hljs-selector-class">.emitter</span><span class="hljs-selector-class">.kafka</span><span class="hljs-selector-class">.alert</span><span class="hljs-selector-class">.topic</span>=druid-alert
+druid<span class="hljs-selector-class">.emitter</span><span class="hljs-selector-class">.kafka</span><span class="hljs-selector-class">.producer</span><span class="hljs-selector-class">.config</span>={<span class="hljs-string">"max.block.ms"</span>:<span class="hljs-number">10000</span>}
+</code></pre>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">InfluxDB Emitter</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html"><span>Materialized View</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.md b/docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.md
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--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.md
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../../ingestion/standalone-realtime.html">
+<meta http-equiv="refresh" content="0; url=../../ingestion/standalone-realtime.html">
+<h1>Redirecting...</h1>
+<a href="../../ingestion/standalone-realtime.html">Click here if you are not redirected.</a>
+<script>location="../../ingestion/standalone-realtime.html"</script>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
new file mode 100644
index 0000000..0e640b6
--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
@@ -0,0 +1,189 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Materialized View · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Materialized View · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" conten [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Materialized View</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) feature, make sure to only load <code>materialized-view-selection</code> on Broker and load <code>materialized-view-maintenance</code> on Overlord. In addtion, this feature currently requires a Hadoop cluster.</p>
+<p>This feature enables Druid to greatly improve the query performance, especially when the query dataSource has a very large number of dimensions but the query only required several dimensions. This feature includes two parts. One is <code>materialized-view-maintenance</code>, and the other is <code>materialized-view-selection</code>.</p>
+<h2><a class="anchor" aria-hidden="true" id="materialized-view-maintenance"></a><a href="#materialized-view-maintenance" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>In materialized-view-maintenance, dataSouces user ingested are called "base-dataSource". For each base-dataSource, we can submit <code>derivativeDataSource</code> supervisors to create and maintain other dataSources which we called "derived-dataSource". The deminsions and metrics of derived-dataSources are the subset of base-dataSource's.
+The <code>derivativeDataSource</code> supervisor is used to keep the timeline of derived-dataSource consistent with base-dataSource. Each <code>derivativeDataSource</code> supervisor is responsible for one derived-dataSource.</p>
+<p>A sample derivativeDataSource supervisor spec is shown below:</p>
+<pre><code class="hljs css language-json"> {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"derivativeDataSource"</span>,
+ <span class="hljs-attr">"baseDataSource"</span>: <span class="hljs-string">"wikiticker"</span>,
+ <span class="hljs-attr">"dimensionsSpec"</span>: {
+ <span class="hljs-attr">"dimensions"</span>: [
+ <span class="hljs-string">"isUnpatrolled"</span>,
+ <span class="hljs-string">"metroCode"</span>,
+ <span class="hljs-string">"namespace"</span>,
+ <span class="hljs-string">"page"</span>,
+ <span class="hljs-string">"regionIsoCode"</span>,
+ <span class="hljs-string">"regionName"</span>,
+ <span class="hljs-string">"user"</span>
+ ]
+ },
+ <span class="hljs-attr">"metricsSpec"</span>: [
+ {
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"count"</span>,
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"count"</span>
+ },
+ {
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"added"</span>,
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"longSum"</span>,
+ <span class="hljs-attr">"fieldName"</span>: <span class="hljs-string">"added"</span>
+ }
+ ],
+ <span class="hljs-attr">"tuningConfig"</span>: {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"hadoop"</span>
+ }
+ }
+</code></pre>
+<p><strong>Supervisor Configuration</strong></p>
+<table>
+<thead>
+<tr><th>Field</th><th>Description</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td>Type</td><td>The supervisor type. This should always be <code>derivativeDataSource</code>.</td><td>yes</td></tr>
+<tr><td>baseDataSource</td><td>The name of base dataSource. This dataSource data should be already stored inside Druid, and the dataSource will be used as input data.</td><td>yes</td></tr>
+<tr><td>dimensionsSpec</td><td>Specifies the dimensions of the data. These dimensions must be the subset of baseDataSource's dimensions.</td><td>yes</td></tr>
+<tr><td>metricsSpec</td><td>A list of aggregators. These metrics must be the subset of baseDataSource's metrics. See <a href="/docs/0.16.0-incubating/querying/aggregations.html">aggregations</a>.</td><td>yes</td></tr>
+<tr><td>tuningConfig</td><td>TuningConfig must be HadoopTuningConfig. See <a href="../../ingestion/hadoop.html#tuningconfig">Hadoop tuning config</a>.</td><td>yes</td></tr>
+<tr><td>dataSource</td><td>The name of this derived dataSource.</td><td>no(default=baseDataSource-hashCode of supervisor)</td></tr>
+<tr><td>hadoopDependencyCoordinates</td><td>A JSON array of Hadoop dependency coordinates that Druid will use, this property will override the default Hadoop coordinates. Once specified, Druid will look for those Hadoop dependencies from the location specified by druid.extensions.hadoopDependenciesDir</td><td>no</td></tr>
+<tr><td>classpathPrefix</td><td>Classpath that will be pre-appended for the Peon process.</td><td>no</td></tr>
+<tr><td>context</td><td>See below.</td><td>no</td></tr>
+</tbody>
+</table>
+<p><strong>Context</strong></p>
+<table>
+<thead>
+<tr><th>Field</th><th>Description</th><th>Required</th></tr>
+</thead>
+<tbody>
+<tr><td>maxTaskCount</td><td>The max number of tasks the supervisor can submit simultaneously.</td><td>no(default=1)</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="materialized-view-selection"></a><a href="#materialized-view-selection" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>In materialized-view-selection, we implement a new query type <code>view</code>. When we request a view query, Druid will try its best to optimize the query based on query dataSource and intervals.</p>
+<p>A sample view query spec is shown below:</p>
+<pre><code class="hljs css language-json"> {
+ <span class="hljs-attr">"queryType"</span>: <span class="hljs-string">"view"</span>,
+ <span class="hljs-attr">"query"</span>: {
+ <span class="hljs-attr">"queryType"</span>: <span class="hljs-string">"groupBy"</span>,
+ <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"wikiticker"</span>,
+ <span class="hljs-attr">"granularity"</span>: <span class="hljs-string">"all"</span>,
+ <span class="hljs-attr">"dimensions"</span>: [
+ <span class="hljs-string">"user"</span>
+ ],
+ <span class="hljs-attr">"limitSpec"</span>: {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"default"</span>,
+ <span class="hljs-attr">"limit"</span>: <span class="hljs-number">1</span>,
+ <span class="hljs-attr">"columns"</span>: [
+ {
+ <span class="hljs-attr">"dimension"</span>: <span class="hljs-string">"added"</span>,
+ <span class="hljs-attr">"direction"</span>: <span class="hljs-string">"descending"</span>,
+ <span class="hljs-attr">"dimensionOrder"</span>: <span class="hljs-string">"numeric"</span>
+ }
+ ]
+ },
+ <span class="hljs-attr">"aggregations"</span>: [
+ {
+ <span class="hljs-attr">"type"</span>: <span class="hljs-string">"longSum"</span>,
+ <span class="hljs-attr">"name"</span>: <span class="hljs-string">"added"</span>,
+ <span class="hljs-attr">"fieldName"</span>: <span class="hljs-string">"added"</span>
+ }
+ ],
+ <span class="hljs-attr">"intervals"</span>: [
+ <span class="hljs-string">"2015-09-12/2015-09-13"</span>
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[incubator-druid-website] 05/05: update docs to latest
0.16.0-incubating
Posted by cw...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git
commit 387daf10228ea5ad687eea651da589d4faa50a1c
Author: Clint Wylie <cw...@apache.org>
AuthorDate: Mon Sep 23 16:07:44 2019 -0700
update docs to latest 0.16.0-incubating
---
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448 files changed, 1006 insertions(+), 1064 deletions(-)
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html b/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html b/docs/0.16.0-incubating/comparisons/druid-vs-kudu.html
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@@ -88,6 +88,6 @@ Druid's segment architecture is heavily geared towards fast aggregates and filte
fast in Druid, whereas updates of older data is higher latency. This is by design as the data Druid is good for is typically event data,
and does not need to be updated too frequently. Kudu supports arbitrary primary keys with uniqueness constraints, and
efficient lookup by ranges of those keys. Kudu chooses not to include the execution engine, but supports sufficient
-operations so as to allow node-local processing from the execution engines. This means that Kudu can support multiple frameworks on the same data (eg MR, Spark, and SQL).
+operations so as to allow node-local processing from the execution engines. This means that Kudu can support multiple frameworks on the same data (e.g., MR, Spark, and SQL).
Druid includes its own query layer that allows it to push down aggregations and computations directly to data processes for faster query processing.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-key-value.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/comparisons/druid-vs-redshift.html"><span>Apache Druid vs Redshift</span><span class="arrow-next"> →</span></a></div></div></div><nav class=" [...]
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function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html b/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html
index 44ac2f2..965430f 100644
--- a/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html
+++ b/docs/0.16.0-incubating/comparisons/druid-vs-sql-on-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -89,7 +89,7 @@ product requirements and what the systems were designed to do.</p>
<li>handle slice-n-dice style ad-hoc queries</li>
</ol>
<p>SQL-on-Hadoop engines generally sidestep Map/Reduce, instead querying data directly from HDFS or, in some cases, other storage systems.
-Some of these engines (including Impala and Presto) can be colocated with HDFS data nodes and coordinate with them to achieve data locality for queries.
+Some of these engines (including Impala and Presto) can be co-located with HDFS data nodes and coordinate with them to achieve data locality for queries.
What does this mean? We can talk about it in terms of three general areas</p>
<ol>
<li>Queries</li>
@@ -103,7 +103,7 @@ are queries and results, and all computation is done internally as part of the D
<p>Most SQL-on-Hadoop engines are responsible for query planning and execution for underlying storage layers and storage formats.
They are processes that stay on even if there is no query running (eliminating the JVM startup costs from Hadoop MapReduce).
Some (Impala/Presto) SQL-on-Hadoop engines have daemon processes that can be run where the data is stored, virtually eliminating network transfer costs. There is still
-some latency overhead (e.g. serde time) associated with pulling data from the underlying storage layer into the computation layer. We are unaware of exactly
+some latency overhead (e.g. serialization/deserialization time) associated with pulling data from the underlying storage layer into the computation layer. We are unaware of exactly
how much of a performance impact this makes.</p>
<h3><a class="anchor" aria-hidden="true" id="data-ingestion"></a><a href="#data-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>Druid is built to allow for real-time ingestion of data. You can ingest data and query it immediately upon ingestion,
@@ -120,5 +120,5 @@ base Druid is less flexible than SQL-on-Hadoop solutions for generic processing.
<p>Parquet is a column storage format that is designed to work with SQL-on-Hadoop engines. Parquet doesn't have a query execution engine, and instead
relies on external sources to pull data out of it.</p>
<p>Druid's storage format is highly optimized for linear scans. Although Druid has support for nested data, Parquet's storage format is much
-more hierachical, and is more designed for binary chunking. In theory, this should lead to faster scans in Druid.</p>
+more hierarchical, and is more designed for binary chunking. In theory, this should lead to faster scans in Druid.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/comparisons/druid-vs-spark.html"><span class="arrow-prev">← </span><span>Apache Druid vs Spark</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/auth.html"><span>Authentication and Authorization</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#druid-vs-parquet">Druid vs Parquet [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/configuration/index.html b/docs/0.16.0-incubating/configuration/index.html
index 378c6a9..e1e5352 100644
--- a/docs/0.16.0-incubating/configuration/index.html
+++ b/docs/0.16.0-incubating/configuration/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -107,7 +107,7 @@ jvm<span class="hljs-selector-class">.config</span> runtime<span class="
conf/tranquility:
kafka<span class="hljs-selector-class">.json</span> server<span class="hljs-selector-class">.json</span>
</code></pre>
-<p>Each directory has a <code>runtime.properties</code> file containing configuration properties for the specific Druid process correponding to the directory (e.g., <code>historical</code>).</p>
+<p>Each directory has a <code>runtime.properties</code> file containing configuration properties for the specific Druid process corresponding to the directory (e.g., <code>historical</code>).</p>
<p>The <code>jvm.config</code> files contain JVM flags such as heap sizing properties for each service.</p>
<p>Common properties shared by all services are placed in <code>_common/common.runtime.properties</code>.</p>
<h2><a class="anchor" aria-hidden="true" id="common-configurations"></a><a href="#common-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
@@ -142,7 +142,7 @@ kafka<span class="hljs-selector-class">.json</span> server<span class="hljs-sel
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.modules.excludeList</code></td><td>A JSON array of canonical class names (e. g. <code>"org.apache.druid.somepackage.SomeModule"</code>) of module classes which shouldn't be loaded, even if they are found in extensions specified by <code>druid.extensions.loadList</code>, or in the list of core modules specified to be loaded on a particular Druid process type. Useful when some useful extension contains some module, which shouldn't be loaded on some Druid proce [...]
+<tr><td><code>druid.modules.excludeList</code></td><td>A JSON array of canonical class names (e.g., <code>"org.apache.druid.somepackage.SomeModule"</code>) of module classes which shouldn't be loaded, even if they are found in extensions specified by <code>druid.extensions.loadList</code>, or in the list of core modules specified to be loaded on a particular Druid process type. Useful when some useful extension contains some module, which shouldn't be loaded on some Druid proce [...]
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="zookeeper"></a><a href="#zookeeper" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
@@ -224,7 +224,7 @@ That is, it allows Druid to keep the connections of Exhibitor-supervised ZooKeep
<tr><td><code>druid.exhibitor.service.port</code></td><td>The REST port used to connect to Exhibitor.</td><td><code>8080</code></td></tr>
<tr><td><code>druid.exhibitor.service.restUriPath</code></td><td>The path of the REST call used to get the server set.</td><td><code>/exhibitor/v1/cluster/list</code></td></tr>
<tr><td><code>druid.exhibitor.service.useSsl</code></td><td>Boolean flag for whether or not to use https protocol.</td><td><code>false</code></td></tr>
-<tr><td><code>druid.exhibitor.service.pollingMs</code></td><td>How ofter to poll the exhibitors for the list</td><td><code>10000</code></td></tr>
+<tr><td><code>druid.exhibitor.service.pollingMs</code></td><td>How often to poll the exhibitors for the list</td><td><code>10000</code></td></tr>
</tbody>
</table>
<p>Note that <code>druid.zk.service.host</code> is used as a backup in case an Exhibitor instance can't be contacted and therefore should still be set.</p>
@@ -334,7 +334,7 @@ values for the above mentioned configs among others provided by Java implementat
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.request.logging.dir</code></td><td>Historical, Realtime and Broker processes maintain request logs of all of the requests they get (interacton is via POST, so normal request logs don’t generally capture information about the actual query), this specifies the directory to store the request logs in</td><td>none</td></tr>
+<tr><td><code>druid.request.logging.dir</code></td><td>Historical, Realtime and Broker processes maintain request logs of all of the requests they get (interaction is via POST, so normal request logs don’t generally capture information about the actual query), this specifies the directory to store the request logs in</td><td>none</td></tr>
<tr><td><code>druid.request.logging.filePattern</code></td><td><a href="http://www.joda.org/joda-time/apidocs/org/joda/time/format/DateTimeFormat.html">Joda datetime format</a> for each file</td><td>"yyyy-MM-dd'.log'"</td></tr>
</tbody>
</table>
@@ -356,7 +356,7 @@ values for the above mentioned configs among others provided by Java implementat
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="slf4j-request-logging"></a><a href="#slf4j-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>Every request is logged via SLF4J. Native queries are serialized into JSON in the log message regardless of the SJF4J format specification. They will be logged under the class <code>org.apache.druid.server.log.LoggingRequestLogger</code>.</p>
+<p>Every request is logged via SLF4J. Native queries are serialized into JSON in the log message regardless of the SLF4J format specification. They will be logged under the class <code>org.apache.druid.server.log.LoggingRequestLogger</code>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -391,8 +391,8 @@ For native query, only request logs where query/time is above the threshold are
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.request.logging.queryTimeThresholdMs</code></td><td>Threshold value for query/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
-<tr><td><code>druid.request.logging.sqlQueryTimeThresholdMs</code></td><td>Threshold value for sqlQuery/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
+<tr><td><code>druid.request.logging.queryTimeThresholdMs</code></td><td>Threshold value for query/time in milliseconds.</td><td>0, i.e., no filtering</td></tr>
+<tr><td><code>druid.request.logging.sqlQueryTimeThresholdMs</code></td><td>Threshold value for sqlQuery/time in milliseconds.</td><td>0, i.e., no filtering</td></tr>
<tr><td><code>druid.request.logging.mutedQueryTypes</code></td><td>Query requests of these types are not logged. Query types are defined as string objects corresponding to the "queryType" value for the specified query in the Druid's <a href="http://druid.apache.org/docs/0.16.0-incubating/latest/querying/querying.html">native JSON query API</a>. Misspelled query types will be ignored. Example to ignore scan and timeBoundary queries: ["scan", "timeBoundary"]</ [...]
<tr><td><code>druid.request.logging.delegate.type</code></td><td>Type of delegate request logger to log requests.</td><td>none</td></tr>
</tbody>
@@ -476,7 +476,7 @@ For native query, only request logs where query/time is above the threshold are
<tbody>
<tr><td><code>druid.emitter.http.flushMillis</code></td><td>How often the internal message buffer is flushed (data is sent).</td><td>60000</td></tr>
<tr><td><code>druid.emitter.http.flushCount</code></td><td>How many messages the internal message buffer can hold before flushing (sending).</td><td>500</td></tr>
-<tr><td><code>druid.emitter.http.basicAuthentication</code></td><td>Login and password for authentification in "login:password" form, e. g. <code>druid.emitter.http.basicAuthentication=admin:adminpassword</code></td><td>not specified = no authentification</td></tr>
+<tr><td><code>druid.emitter.http.basicAuthentication</code></td><td>Login and password for authentication in "login:password" form, e.g., <code>druid.emitter.http.basicAuthentication=admin:adminpassword</code></td><td>not specified = no authentication</td></tr>
<tr><td><code>druid.emitter.http.flushTimeOut</code></td><td>The timeout after which an event should be sent to the endpoint, even if internal buffers are not filled, in milliseconds.</td><td>not specified = no timeout</td></tr>
<tr><td><code>druid.emitter.http.batchingStrategy</code></td><td>The strategy of how the batch is formatted. "ARRAY" means <code>[event1,event2]</code>, "NEWLINES" means <code>event1\nevent2</code>, ONLY_EVENTS means <code>event1event2</code>.</td><td>ARRAY</td></tr>
<tr><td><code>druid.emitter.http.maxBatchSize</code></td><td>The maximum batch size, in bytes.</td><td>the minimum of (10% of JVM heap size divided by 2) or (5191680 (i. e. 5 MB))</td></tr>
@@ -506,7 +506,7 @@ SSLContext that would be used for internal communications between Druid processe
</table>
<h4><a class="anchor" aria-hidden="true" id="parametrized-http-emitter-module"></a><a href="#parametrized-http-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p><code>druid.emitter.parametrized.httpEmitting.*</code> configs correspond to the configs of Http Emitter Modules, see above.
-Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.httpEmitting.flushMillis</code>,
+Except <code>recipientBaseUrl</code>. E.g., <code>druid.emitter.parametrized.httpEmitting.flushMillis</code>,
<code>druid.emitter.parametrized.httpEmitting.flushCount</code>, <code>druid.emitter.parametrized.httpEmitting.ssl.trustStorePath</code>, etc.</p>
<p>The additional configs are:</p>
<table>
@@ -514,7 +514,7 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.emitter.parametrized.recipientBaseUrlPattern</code></td><td>The URL pattern to send an event to, based on the event's feed. E. g. <code>http://foo.bar/{feed}</code>, that will send event to <code>http://foo.bar/metrics</code> if the event's feed is "metrics".</td><td>none, required config</td></tr>
+<tr><td><code>druid.emitter.parametrized.recipientBaseUrlPattern</code></td><td>The URL pattern to send an event to, based on the event's feed. E.g., <code>http://foo.bar/{feed}</code>, that will send event to <code>http://foo.bar/metrics</code> if the event's feed is "metrics".</td><td>none, required config</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="composing-emitter-module"></a><a href="#composing-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
@@ -523,20 +523,20 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.emitter.composing.emitters</code></td><td>List of emitter modules to load e.g. ["logging","http"].</td><td>[]</td></tr>
+<tr><td><code>druid.emitter.composing.emitters</code></td><td>List of emitter modules to load, e.g., ["logging","http"].</td><td>[]</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="graphite-emitter"></a><a href="#graphite-emitter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>To use graphite as emitter set <code>druid.emitter=graphite</code>. For configuration details please follow this <a href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html">link</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="metadata-storage"></a><a href="#metadata-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
-<p>These properties specify the jdbc connection and other configuration around the metadata storage. The only processes that connect to the metadata storage with these properties are the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a>.</p>
+<p>These properties specify the JDBC connection and other configuration around the metadata storage. The only processes that connect to the metadata storage with these properties are the <a href="/docs/0.16.0-incubating/design/coordinator.html">Coordinator</a> and <a href="/docs/0.16.0-incubating/design/overlord.html">Overlord</a>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
<tr><td><code>druid.metadata.storage.type</code></td><td>The type of metadata storage to use. Choose from "mysql", "postgresql", or "derby".</td><td>derby</td></tr>
-<tr><td><code>druid.metadata.storage.connector.connectURI</code></td><td>The jdbc uri for the database to connect to</td><td>none</td></tr>
+<tr><td><code>druid.metadata.storage.connector.connectURI</code></td><td>The JDBC URI for the database to connect to</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.user</code></td><td>The username to connect with.</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.password</code></td><td>The <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> or String password used to connect with.</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.createTables</code></td><td>If Druid requires a table and it doesn't exist, create it?</td><td>true</td></tr>
@@ -550,7 +550,7 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><td><code>druid.metadata.storage.tables.taskLog</code></td><td>Used by the indexing service to store task logs.</td><td>druid_taskLog</td></tr>
<tr><td><code>druid.metadata.storage.tables.taskLock</code></td><td>Used by the indexing service to store task locks.</td><td>druid_taskLock</td></tr>
<tr><td><code>druid.metadata.storage.tables.supervisors</code></td><td>Used by the indexing service to store supervisor configurations.</td><td>druid_supervisors</td></tr>
-<tr><td><code>druid.metadata.storage.tables.audit</code></td><td>The table to use for audit history of configuration changes e.g. Coordinator rules.</td><td>druid_audit</td></tr>
+<tr><td><code>druid.metadata.storage.tables.audit</code></td><td>The table to use for audit history of configuration changes, e.g., Coordinator rules.</td><td>druid_audit</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
@@ -626,7 +626,7 @@ The below table shows some important configurations for S3. See <a href="/docs/0
</tbody>
</table>
<p>You can also configure the Overlord to automatically retain the task logs in log directory and entries in task-related metadata storage tables only for last x milliseconds by configuring following additional properties.
-Caution: Automatic log file deletion typically works based on log file modification timestamp on the backing store, so large clock skews between druid processes and backing store nodes might result in un-intended behavior.</p>
+Caution: Automatic log file deletion typically works based on log file modification timestamp on the backing store, so large clock skews between druid processes and backing store nodes might result in unintended behavior.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -747,7 +747,7 @@ the following properties.</p>
<p>Prior to version 0.13.0 Druid's storage layer used a 32-bit float representation to store columns created by the
doubleSum, doubleMin, and doubleMax aggregators at indexing time.
Starting from version 0.13.0 the default will be 64-bit floats for Double columns.
-Using 64-bit representation for double column will lead to avoid precesion loss at the cost of doubling the storage size of such columns.
+Using 64-bit representation for double column will lead to avoid precision loss at the cost of doubling the storage size of such columns.
To keep the old format set the system-wide property <code>druid.indexing.doubleStorage=float</code>.
You can also use floatSum, floatMin and floatMax to use 32-bit float representation.
Support for 64-bit floating point columns was released in Druid 0.11.0, so if you use this feature then older versions of Druid will not be able to read your data segments.</p>
@@ -788,14 +788,14 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
<tr><td><code>druid.coordinator.period.indexingPeriod</code></td><td>How often to send compact/merge/conversion tasks to the indexing service. It's recommended to be longer than <code>druid.manager.segments.pollDuration</code></td><td>PT1800S (30 mins)</td></tr>
<tr><td><code>druid.coordinator.startDelay</code></td><td>The operation of the Coordinator works on the assumption that it has an up-to-date view of the state of the world when it runs, the current ZK interaction code, however, is written in a way that doesn’t allow the Coordinator to know for a fact that it’s done loading the current state of the world. This delay is a hack to give it enough time to believe that it has all the data.</td><td>PT300S</td></tr>
<tr><td><code>druid.coordinator.load.timeout</code></td><td>The timeout duration for when the Coordinator assigns a segment to a Historical process.</td><td>PT15M</td></tr>
-<tr><td><code>druid.coordinator.kill.pendingSegments.on</code></td><td>Boolean flag for whether or not the Coordinator clean up old entries in the <code>pendingSegments</code> table of metadata store. If set to true, Coordinator will check the created time of most recently complete task. If it doesn't exist, it finds the created time of the earlist running/pending/waiting tasks. Once the created time is found, then for all dataSources not in the <code>killPendingSegmentsSkipList</code> ( [...]
+<tr><td><code>druid.coordinator.kill.pendingSegments.on</code></td><td>Boolean flag for whether or not the Coordinator clean up old entries in the <code>pendingSegments</code> table of metadata store. If set to true, Coordinator will check the created time of most recently complete task. If it doesn't exist, it finds the created time of the earliest running/pending/waiting tasks. Once the created time is found, then for all dataSources not in the <code>killPendingSegmentsSkipList</code> [...]
<tr><td><code>druid.coordinator.kill.on</code></td><td>Boolean flag for whether or not the Coordinator should submit kill task for unused segments, that is, hard delete them from metadata store and deep storage. If set to true, then for all whitelisted dataSources (or optionally all), Coordinator will submit tasks periodically based on <code>period</code> specified. These kill tasks will delete all segments except for the last <code>durationToRetain</code> period. Whitelist or All can be [...]
<tr><td><code>druid.coordinator.kill.period</code></td><td>How often to send kill tasks to the indexing service. Value must be greater than <code>druid.coordinator.period.indexingPeriod</code>. Only applies if kill is turned on.</td><td>P1D (1 Day)</td></tr>
<tr><td><code>druid.coordinator.kill.durationToRetain</code></td><td>Do not kill segments in last <code>durationToRetain</code>, must be greater or equal to 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>PT-1S (-1 seconds)</td></tr>
<tr><td><code>druid.coordinator.kill.maxSegments</code></td><td>Kill at most n segments per kill task submission, must be greater than 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>0</td></tr>
<tr><td><code>druid.coordinator.balancer.strategy</code></td><td>Specify the type of balancing strategy that the coordinator should use to distribute segments among the historicals. <code>cachingCost</code> is logically equivalent to <code>cost</code> but is more CPU-efficient on large clusters and will replace <code>cost</code> in the future versions, users are invited to try it. Use <code>diskNormalized</code> to distribute segments among processes so that the disks fill up uniformly a [...]
<tr><td><code>druid.coordinator.balancer.cachingCost.awaitInitialization</code></td><td>Whether to wait for segment view initialization before creating the <code>cachingCost</code> balancing strategy. This property is enabled only when <code>druid.coordinator.balancer.strategy</code> is <code>cachingCost</code>. If set to 'true', the Coordinator will not start to assign segments, until the segment view is initialized. If set to 'false', the Coordinator will fallback to use the <code>cost [...]
-<tr><td><code>druid.coordinator.loadqueuepeon.repeatDelay</code></td><td>The start and repeat delay for the loadqueuepeon , which manages the load and drop of segments.</td><td>PT0.050S (50 ms)</td></tr>
+<tr><td><code>druid.coordinator.loadqueuepeon.repeatDelay</code></td><td>The start and repeat delay for the loadqueuepeon, which manages the load and drop of segments.</td><td>PT0.050S (50 ms)</td></tr>
<tr><td><code>druid.coordinator.asOverlord.enabled</code></td><td>Boolean value for whether this Coordinator process should act like an Overlord as well. This configuration allows users to simplify a druid cluster by not having to deploy any standalone Overlord processes. If set to true, then Overlord console is available at <code>http://coordinator-host:port/console.html</code> and be sure to set <code>druid.coordinator.asOverlord.overlordService</code> also. See next.</td><td>false</td></tr>
<tr><td><code>druid.coordinator.asOverlord.overlordService</code></td><td>Required, if <code>druid.coordinator.asOverlord.enabled</code> is <code>true</code>. This must be same value as <code>druid.service</code> on standalone Overlord processes and <code>druid.selectors.indexing.serviceName</code> on Middle Managers.</td><td>NULL</td></tr>
</tbody>
@@ -808,7 +808,7 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
<tbody>
<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
<tr><td><code>druid.coordinator.loadqueuepeon.type</code></td><td>curator or http</td><td>Whether to use "http" or "curator" implementation to assign segment loads/drops to historical</td><td>curator</td></tr>
-<tr><td><code>druid.coordinator.segment.awaitInitializationOnStart</code></td><td>true or false</td><td>Whether the the Coordinator will wait for its view of segments to fully initialize before starting up. If set to 'true', the Coordinator's HTTP server will not start up, and the Coordinator will not announce itself as available, until the server view is initialized.</td><td>true</td></tr>
+<tr><td><code>druid.coordinator.segment.awaitInitializationOnStart</code></td><td>true or false</td><td>Whether the Coordinator will wait for its view of segments to fully initialize before starting up. If set to 'true', the Coordinator's HTTP server will not start up, and the Coordinator will not announce itself as available, until the server view is initialized.</td><td>true</td></tr>
</tbody>
</table>
<h6><a class="anchor" aria-hidden="true" id="additional-config-when-http-loadqueuepeon-is-used"></a><a href="#additional-config-when-http-loadqueuepeon-is-used" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 [...]
@@ -834,7 +834,7 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="dynamic-configuration"></a><a href="#dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The Coordinator has dynamic configuration to change certain behaviour on the fly. The Coordinator uses a JSON spec object from the Druid <a href="/docs/0.16.0-incubating/dependencies/metadata-storage.html">metadata storage</a> config table. This object is detailed below:</p>
+<p>The Coordinator has dynamic configuration to change certain behavior on the fly. The Coordinator uses a JSON spec object from the Druid <a href="/docs/0.16.0-incubating/dependencies/metadata-storage.html">metadata storage</a> config table. This object is detailed below:</p>
<p>It is recommended that you use the Coordinator Console to configure these parameters. However, if you need to do it via HTTP, the JSON object can be submitted to the Coordinator via a POST request at:</p>
<pre><code class="hljs">http:<span class="hljs-regexp">//</span><COORDINATOR_IP>:<PORT><span class="hljs-regexp">/druid/</span>coordinator<span class="hljs-regexp">/v1/</span>config
</code></pre>
@@ -1105,10 +1105,10 @@ If you see this problem, it's recommended to set <code>skipOffsetFromLatest</cod
<pre><code class="hljs">http://<span class="hljs-symbol"><OVERLORD_IP></span>:<span class="hljs-symbol"><port></span>/druid/indexer/v1/worker/<span class="hljs-keyword">history</span>?<span class="hljs-built_in">count</span>=<span class="hljs-symbol"><n></span>
</code></pre>
<h5><a class="anchor" aria-hidden="true" id="worker-select-strategy"></a><a href="#worker-select-strategy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
-<p>Worker select strategies control how Druid assigns tasks to middleManagers.</p>
+<p>Worker select strategies control how Druid assigns tasks to MiddleManagers.</p>
<h6><a class="anchor" aria-hidden="true" id="equal-distribution"></a><a href="#equal-distribution" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
-<p>Tasks are assigned to the middleManager with the most available capacity at the time the task begins running. This is
-useful if you want work evenly distributed across your middleManagers.</p>
+<p>Tasks are assigned to the MiddleManager with the most available capacity at the time the task begins running. This is
+useful if you want work evenly distributed across your MiddleManagers.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -1120,10 +1120,10 @@ useful if you want work evenly distributed across your middleManagers.</p>
</table>
<h6><a class="anchor" aria-hidden="true" id="fill-capacity"></a><a href="#fill-capacity" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
<p>Tasks are assigned to the worker with the most currently-running tasks at the time the task begins running. This is
-useful in situations where you are elastically auto-scaling middleManagers, since it will tend to pack some full and
+useful in situations where you are elastically auto-scaling MiddleManagers, since it will tend to pack some full and
leave others empty. The empty ones can be safely terminated.</p>
<p>Note that if <code>druid.indexer.runner.pendingTasksRunnerNumThreads</code> is set to <em>N</em> > 1, then this strategy will fill <em>N</em>
-middleManagers up to capacity simultaneously, rather than a single middleManager.</p>
+MiddleManagers up to capacity simultaneously, rather than a single MiddleManager.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -1134,11 +1134,11 @@ middleManagers up to capacity simultaneously, rather than a single middleManager
</tbody>
</table>
<p><a name="javascript-worker-select-strategy"></a></p>
-<h6><a class="anchor" aria-hidden="true" id="javascript-1"></a><a href="#javascript-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h6><a class="anchor" aria-hidden="true" id="javascript-1"></a><a href="#javascript-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Allows defining arbitrary logic for selecting workers to run task using a JavaScript function.
The function is passed remoteTaskRunnerConfig, map of workerId to available workers and task to be executed and returns the workerId on which the task should be run or null if the task cannot be run.
It can be used for rapid development of missing features where the worker selection logic is to be changed or tuned often.
-If the selection logic is quite complex and cannot be easily tested in javascript environment,
+If the selection logic is quite complex and cannot be easily tested in JavaScript environment,
its better to write a druid extension module with extending current worker selection strategies written in java.</p>
<table>
<thead>
@@ -1146,7 +1146,7 @@ its better to write a druid extension module with extending current worker selec
</thead>
<tbody>
<tr><td><code>type</code></td><td><code>javascript</code>.</td><td>required; must be <code>javascript</code></td></tr>
-<tr><td><code>function</code></td><td>String representing javascript function</td><td></td></tr>
+<tr><td><code>function</code></td><td>String representing JavaScript function</td><td></td></tr>
</tbody>
</table>
<p>Example: a function that sends batch_index_task to workers 10.0.0.1 and 10.0.0.2 and all other tasks to other available workers.</p>
@@ -1166,8 +1166,8 @@ field. If not provided, the default is to not use affinity at all.</p>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>affinity</code></td><td>JSON object mapping a datasource String name to a list of indexing service middleManager host:port String values. Druid doesn't perform DNS resolution, so the 'host' value must match what is configured on the middleManager and what the middleManager announces itself as (examine the Overlord logs to see what your middleManager announces itself as).</td><td>{}</td></tr>
-<tr><td><code>strong</code></td><td>With weak affinity (the default), tasks for a dataSource may be assigned to other middleManagers if their affinity-mapped middleManagers are not able to run all pending tasks in the queue for that dataSource. With strong affinity, tasks for a dataSource will only ever be assigned to their affinity-mapped middleManagers, and will wait in the pending queue if necessary.</td><td>false</td></tr>
+<tr><td><code>affinity</code></td><td>JSON object mapping a datasource String name to a list of indexing service MiddleManager host:port String values. Druid doesn't perform DNS resolution, so the 'host' value must match what is configured on the MiddleManager and what the MiddleManager announces itself as (examine the Overlord logs to see what your MiddleManager announces itself as).</td><td>{}</td></tr>
+<tr><td><code>strong</code></td><td>With weak affinity (the default), tasks for a dataSource may be assigned to other MiddleManagers if their affinity-mapped MiddleManagers are not able to run all pending tasks in the queue for that dataSource. With strong affinity, tasks for a dataSource will only ever be assigned to their affinity-mapped MiddleManagers, and will wait in the pending queue if necessary.</td><td>false</td></tr>
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="autoscaler"></a><a href="#autoscaler" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
@@ -1214,11 +1214,11 @@ field. If not provided, the default is to not use affinity at all.</p>
<tr><td><code>druid.indexer.runner.classpath</code></td><td>Java classpath for the peon.</td><td>System.getProperty("java.class.path")</td></tr>
<tr><td><code>druid.indexer.runner.javaCommand</code></td><td>Command required to execute java.</td><td>java</td></tr>
<tr><td><code>druid.indexer.runner.javaOpts</code></td><td><em>DEPRECATED</em> A string of -X Java options to pass to the peon's JVM. Quotable parameters or parameters with spaces are encouraged to use javaOptsArray</td><td>""</td></tr>
-<tr><td><code>druid.indexer.runner.javaOptsArray</code></td><td>A json array of strings to be passed in as options to the peon's jvm. This is additive to javaOpts and is recommended for properly handling arguments which contain quotes or spaces like <code>["-XX:OnOutOfMemoryError=kill -9 %p"]</code></td><td><code>[]</code></td></tr>
+<tr><td><code>druid.indexer.runner.javaOptsArray</code></td><td>A JSON array of strings to be passed in as options to the peon's JVM. This is additive to javaOpts and is recommended for properly handling arguments which contain quotes or spaces like <code>["-XX:OnOutOfMemoryError=kill -9 %p"]</code></td><td><code>[]</code></td></tr>
<tr><td><code>druid.indexer.runner.maxZnodeBytes</code></td><td>The maximum size Znode in bytes that can be created in Zookeeper.</td><td>524288</td></tr>
<tr><td><code>druid.indexer.runner.startPort</code></td><td>Starting port used for peon processes, should be greater than 1023 and less than 65536.</td><td>8100</td></tr>
<tr><td><code>druid.indexer.runner.endPort</code></td><td>Ending port used for peon processes, should be greater than or equal to <code>druid.indexer.runner.startPort</code> and less than 65536.</td><td>65535</td></tr>
-<tr><td><code>druid.indexer.runner.ports</code></td><td>A json array of integers to specify ports that used for peon processes. If provided and non-empty, ports for peon processes will be chosen from these ports. And <code>druid.indexer.runner.startPort/druid.indexer.runner.endPort</code> will be completely ignored.</td><td><code>[]</code></td></tr>
+<tr><td><code>druid.indexer.runner.ports</code></td><td>A JSON array of integers to specify ports that used for peon processes. If provided and non-empty, ports for peon processes will be chosen from these ports. And <code>druid.indexer.runner.startPort/druid.indexer.runner.endPort</code> will be completely ignored.</td><td><code>[]</code></td></tr>
<tr><td><code>druid.worker.ip</code></td><td>The IP of the worker.</td><td>localhost</td></tr>
<tr><td><code>druid.worker.version</code></td><td>Version identifier for the MiddleManager.</td><td>0</td></tr>
<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the MiddleManager can accept.</td><td>Number of available processors - 1</td></tr>
@@ -1279,7 +1279,7 @@ ensure at least this amount of direct memory is available by providing <code>-XX
<tr><td><code>druid.indexer.task.directoryLockTimeout</code></td><td>Wait this long for zombie peons to exit before giving up on their replacements.</td><td>PT10M</td></tr>
<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on middleManager restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
-<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, middleManagers will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, MiddleManagers will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
<tr><td><code>druid.indexer.server.maxChatRequests</code></td><td>Maximum number of concurrent requests served by a task's chat handler. Set to 0 to disable limiting.</td><td>0</td></tr>
</tbody>
</table>
@@ -1295,10 +1295,10 @@ ensure at least this amount of direct memory is available by providing <code>-XX
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="segmentwriteoutmediumfactory"></a><a href="#segmentwriteoutmediumfactory" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
-<p>When new segments are created, Druid temporarily stores some pre-processed data in some buffers. Currently two types of
+<p>When new segments are created, Druid temporarily stores some preprocessed data in some buffers. Currently two types of
<em>medium</em> exist for those buffers: <em>temporary files</em> and <em>off-heap memory</em>.</p>
<p><em>Temporary files</em> (<code>tmpFile</code>) are stored under the task working directory (see <code>druid.indexer.task.baseTaskDir</code>
-configuration above) and thus share it's mounting properies, e. g. they could be backed by HDD, SSD or memory (tmpfs).
+configuration above) and thus share it's mounting properties, e. g. they could be backed by HDD, SSD or memory (tmpfs).
This type of medium may do unnecessary disk I/O and requires some disk space to be available.</p>
<p><em>Off-heap memory medium</em> (<code>offHeapMemory</code>) creates buffers in off-heap memory of a JVM process that is running a task.
This type of medium is preferred, but it may require to allow the JVM to have more off-heap memory, by changing
@@ -1617,15 +1617,15 @@ line.</p>
<tr><td><code>druid.sql.avatica.maxStatementsPerConnection</code></td><td>Maximum number of simultaneous open statements per Avatica client connection.</td><td>1</td></tr>
<tr><td><code>druid.sql.avatica.connectionIdleTimeout</code></td><td>Avatica client connection idle timeout.</td><td>PT5M</td></tr>
<tr><td><code>druid.sql.http.enable</code></td><td>Whether to enable JSON over HTTP querying at <code>/druid/v2/sql/</code>.</td><td>true</td></tr>
-<tr><td><code>druid.sql.planner.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its SQL metadata view to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.broker.segment.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the Broker will wait for its SQL metadata view to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.broker.segment.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.maxQueryCount</code></td><td>Maximum number of queries to issue, including nested queries. Set to 1 to disable sub-queries, or set to 0 for unlimited.</td><td>8</td></tr>
<tr><td><code>druid.sql.planner.maxSemiJoinRowsInMemory</code></td><td>Maximum number of rows to keep in memory for executing two-stage semi-join queries like <code>SELECT * FROM Employee WHERE DeptName IN (SELECT DeptName FROM Dept)</code>.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.maxTopNLimit</code></td><td>Maximum threshold for a <a href="/docs/0.16.0-incubating/querying/topnquery.html">TopN query</a>. Higher limits will be planned as <a href="/docs/0.16.0-incubating/querying/groupbyquery.html">GroupBy queries</a> instead.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.metadataRefreshPeriod</code></td><td>Throttle for metadata refreshes.</td><td>PT1M</td></tr>
<tr><td><code>druid.sql.planner.selectThreshold</code></td><td>Page size threshold for <a href="/docs/0.16.0-incubating/querying/select-query.html">Select queries</a>. Select queries for larger resultsets will be issued back-to-back using pagination.</td><td>1000</td></tr>
-<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinalty algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinality algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.useApproximateTopN</code></td><td>Whether to use approximate <a href="/docs/0.16.0-incubating/querying/topnquery.html">TopN queries</a> when a SQL query could be expressed as such. If false, exact <a href="/docs/0.16.0-incubating/querying/groupbyquery.html">GroupBy queries</a> will be used instead.</td><td>true</td></tr>
-<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries wihout filter condition on __time column will fail</td><td>false</td></tr>
+<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries without filter condition on __time column will fail</td><td>false</td></tr>
<tr><td><code>druid.sql.planner.sqlTimeZone</code></td><td>Sets the default time zone for the server, which will affect how time functions and timestamp literals behave. Should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td><td>UTC</td></tr>
<tr><td><code>druid.sql.planner.serializeComplexValues</code></td><td>Whether to serialize "complex" output values, false will return the class name instead of the serialized value.</td><td>true</td></tr>
</tbody>
@@ -1657,14 +1657,14 @@ line.</p>
<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
<tr><td><code>druid.broker.segment.watchedTiers</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of tiers. By default, Broker would consider all tiers. This can be used to partition your dataSources in specific Historical tiers and configure brokers in partitions so that they are only qu [...]
<tr><td><code>druid.broker.segment.watchedDataSources</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of dataSources. By default, Broker would consider all datasources. This can be used to configure brokers in partitions so that they are only queryable for specific dataSources.</td><td> [...]
-<tr><td><code>druid.broker.segment.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its view of segments to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.sql.planner.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+<tr><td><code>druid.broker.segment.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the Broker will wait for its view of segments to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.sql.planner.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="cache-configuration"></a><a href="#cache-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>This section describes caching configuration that is common to Broker, Historical, and MiddleManager/Peon processes.</p>
-<p>Caching can optionally be enabled on the Broker, Historical, and MiddleManager/Peon processses. See <a href="#broker-caching">Broker</a>,
+<p>Caching can optionally be enabled on the Broker, Historical, and MiddleManager/Peon processes. See <a href="#broker-caching">Broker</a>,
<a href="#historical-caching">Historical</a>, and <a href="#peon-caching">Peon</a> configuration options for how to enable it for different processes.</p>
-<p>Druid uses a local in-memory cache by default, unless a diffrent type of cache is specified.
+<p>Druid uses a local in-memory cache by default, unless a different type of cache is specified.
Use the <code>druid.cache.type</code> configuration to set a different kind of cache.</p>
<p>Cache settings are set globally, so the same configuration can be re-used
for both Broker and Historical processes, when defined in the common properties file.</p>
@@ -1849,7 +1849,7 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>druid.query.groupBy.bufferGrouperInitialBuckets</code></td><td>Initial number of buckets in the off-heap hash table used for grouping results. Set to 0 to use a reasonable default (1024).</td><td>0</td></tr>
<tr><td><code>druid.query.groupBy.bufferGrouperMaxLoadFactor</code></td><td>Maximum load factor of the off-heap hash table used for grouping results. When the load factor exceeds this size, the table will be grown or spilled to disk. Set to 0 to use a reasonable default (0.7).</td><td>0</td></tr>
<tr><td><code>druid.query.groupBy.forceHashAggregation</code></td><td>Force to use hash-based aggregation.</td><td>false</td></tr>
-<tr><td><code>druid.query.groupBy.intermediateCombineDegree</code></td><td>Number of intermediate processes combined together in the combining tree. Higher degrees will need less threads which might be helpful to improve the query performance by reducing the overhead of too many threads if the server has sufficiently powerful cpu cores.</td><td>8</td></tr>
+<tr><td><code>druid.query.groupBy.intermediateCombineDegree</code></td><td>Number of intermediate processes combined together in the combining tree. Higher degrees will need less threads which might be helpful to improve the query performance by reducing the overhead of too many threads if the server has sufficiently powerful CPU cores.</td><td>8</td></tr>
<tr><td><code>druid.query.groupBy.numParallelCombineThreads</code></td><td>Hint for the number of parallel combining threads. This should be larger than 1 to turn on the parallel combining feature. The actual number of threads used for parallel combining is min(<code>druid.query.groupBy.numParallelCombineThreads</code>, <code>druid.processing.numThreads</code>).</td><td>1 (disabled)</td></tr>
</tbody>
</table>
@@ -1916,7 +1916,7 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>Please see <a href="../design/router.html#router-strategies">Router Strategies</a> for details.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name. Please see <a href="../design/router.html#avatica-query-balancing">Avatica Query Balancing</a></td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
-<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to at least the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
<tr><td><code>druid.router.managementProxy.enabled</code></td><td>Enables the Router's <a href="../design/router.html#router-as-management-proxy">management proxy</a> functionality.</td><td>false</td></tr>
</tbody>
</table>
diff --git a/docs/0.16.0-incubating/configuration/logging.html b/docs/0.16.0-incubating/configuration/logging.html
index 29afadf..3da7f06 100644
--- a/docs/0.16.0-incubating/configuration/logging.html
+++ b/docs/0.16.0-incubating/configuration/logging.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/ingestion/stream-pull.md b/docs/0.16.0-incubating/configuration/realtime.html
similarity index 100%
rename from docs/latest/ingestion/stream-pull.md
rename to docs/0.16.0-incubating/configuration/realtime.html
diff --git a/docs/latest/dependencies/cassandra-deep-storage.md b/docs/0.16.0-incubating/dependencies/cassandra-deep-storage.html
similarity index 100%
rename from docs/latest/dependencies/cassandra-deep-storage.md
rename to docs/0.16.0-incubating/dependencies/cassandra-deep-storage.html
diff --git a/docs/0.16.0-incubating/dependencies/deep-storage.html b/docs/0.16.0-incubating/dependencies/deep-storage.html
index c7f5e57..7c13b80 100644
--- a/docs/0.16.0-incubating/dependencies/deep-storage.html
+++ b/docs/0.16.0-incubating/dependencies/deep-storage.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/dependencies/metadata-storage.html b/docs/0.16.0-incubating/dependencies/metadata-storage.html
index 72af209..866a95e 100644
--- a/docs/0.16.0-incubating/dependencies/metadata-storage.html
+++ b/docs/0.16.0-incubating/dependencies/metadata-storage.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -98,7 +98,7 @@ because there is no way to restore if you lose any metadata.</p>
<h2><a class="anchor" aria-hidden="true" id="postgresql"></a><a href="#postgresql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>See <a href="/docs/0.16.0-incubating/development/extensions-core/postgresql.html">postgresql-metadata-storage</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="adding-custom-dbcp-properties"></a><a href="#adding-custom-dbcp-properties" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>NOTE: These properties are not settable through the druid.metadata.storage.connector.dbcp properties : username, password, connectURI, validationQuery, testOnBorrow. These must be set through druid.metadata.storage.connector properties.</p>
+<p>NOTE: These properties are not settable through the <code>druid.metadata.storage.connector.dbcp properties</code>: <code>username</code>, <code>password</code>, <code>connectURI</code>, <code>validationQuery</code>, <code>testOnBorrow</code>. These must be set through <code>druid.metadata.storage.connector</code> properties.</p>
<p>Example supported properties:</p>
<pre><code class="hljs css language-properties"><span class="hljs-meta">druid.metadata.storage.connector.dbcp.maxConnLifetimeMillis</span>=<span class="hljs-string">1200000</span>
<span class="hljs-meta">druid.metadata.storage.connector.dbcp.defaultQueryTimeout</span>=<span class="hljs-string">30000</span>
@@ -113,7 +113,7 @@ determine the set of segments that should be available for querying in the
system. The table has two main functional columns, the other columns are for
indexing purposes.</p>
<p>The <code>used</code> column is a boolean "tombstone". A 1 means that the segment should
-be "used" by the cluster (i.e. it should be loaded and available for requests).
+be "used" by the cluster (i.e., it should be loaded and available for requests).
A 0 means that the segment should not be actively loaded into the cluster. We
do this as a means of removing segments from the cluster without actually
removing their metadata (which allows for simpler rolling back if that is ever
@@ -159,5 +159,5 @@ config changes.</p>
<li>Realtime Processes (if any)</li>
<li>Coordinator Processes</li>
</ol>
-<p>Thus you need to give permissions (eg in AWS Security Groups) only for these machines to access the Metadata storage.</p>
+<p>Thus you need to give permissions (e.g., in AWS Security Groups) only for these machines to access the Metadata storage.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/dependencies/deep-storage.html"><span class="arrow-prev">← </span><span>Deep storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/dependencies/zookeeper.html"><span class="function-name-prevnext">ZooKeeper</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#using-derby">Using Derby< [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/dependencies/zookeeper.html b/docs/0.16.0-incubating/dependencies/zookeeper.html
index 2d99989..014c001 100644
--- a/docs/0.16.0-incubating/dependencies/zookeeper.html
+++ b/docs/0.16.0-incubating/dependencies/zookeeper.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/design/architecture.html b/docs/0.16.0-incubating/design/architecture.html
index c74349c..3f3b5d5 100644
--- a/docs/0.16.0-incubating/design/architecture.html
+++ b/docs/0.16.0-incubating/design/architecture.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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@@ -96,7 +96,7 @@ design also provides enhanced fault tolerance: an outage of one component will n
<li><strong>Query</strong>: Runs Broker and optional Router processes, handles queries from external clients.</li>
<li><strong>Data</strong>: Runs Historical and MiddleManager processes, executes ingestion workloads and stores all queryable data.</li>
</ul>
-<p>For more details on process and server organization, please see <a href="/docs/0.16.0-incubating/design/processes.html">Druid Processses and Servers</a>.</p>
+<p>For more details on process and server organization, please see <a href="/docs/0.16.0-incubating/design/processes.html">Druid Processes and Servers</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="external-dependencies"></a><a href="#external-dependencies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>In addition to its built-in process types, Druid also has three external dependencies. These are intended to be able to
leverage existing infrastructure, where present.</p>
@@ -106,7 +106,7 @@ be a distributed object store like S3 or HDFS, or a network mounted filesystem.
this is typically going to be local disk. Druid uses deep storage to store any data that has been ingested into the
system.</p>
<p>Druid uses deep storage only as a backup of your data and as a way to transfer data in the background between
-Druid processes. To respond to queries, Historical processes do not read from deep storage, but instead read pre-fetched
+Druid processes. To respond to queries, Historical processes do not read from deep storage, but instead read prefetched
segments from their local disks before any queries are served. This means that Druid never needs to access deep storage
during a query, helping it offer the best query latencies possible. It also means that you must have enough disk space
both in deep storage and across your Historical processes for the data you plan to load.</p>
diff --git a/docs/0.16.0-incubating/design/auth.html b/docs/0.16.0-incubating/design/auth.html
index 487d08c..b2e20d2 100644
--- a/docs/0.16.0-incubating/design/auth.html
+++ b/docs/0.16.0-incubating/design/auth.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -87,13 +87,13 @@
<tr><td><code>druid.escalator.type</code></td><td>String</td><td>Type of the Escalator that should be used for internal Druid communications. This Escalator must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>.</td><td>"noop"</td><td>no</td></tr>
<tr><td><code>druid.auth.authorizers</code></td><td>JSON List of Strings</td><td>List of Authorizer type names</td><td>["allowAll"]</td><td>no</td></tr>
<tr><td><code>druid.auth.unsecuredPaths</code></td><td>List of Strings</td><td>List of paths for which security checks will not be performed. All requests to these paths will be allowed.</td><td>[]</td><td>no</td></tr>
-<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS pre-flight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information abou [...]
+<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS preflight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information about [...]
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="enabling-authentication-authorizationloadinglookuptest"></a><a href="#enabling-authentication-authorizationloadinglookuptest" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 [...]
<h2><a class="anchor" aria-hidden="true" id="authenticator-chain"></a><a href="#authenticator-chain" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>Authentication decisions are handled by a chain of Authenticator instances. A request will be checked by Authenticators in the sequence defined by the <code>druid.auth.authenticatorChain</code>.</p>
-<p>Authenticator implementions are provided by extensions.</p>
+<p>Authenticator implementations are provided by extensions.</p>
<p>For example, the following authentication chain definition enables the Kerberos and HTTP Basic authenticators, from the <code>druid-kerberos</code> and <code>druid-basic-security</code> core extensions, respectively:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-class">.authenticatorChain</span>=[<span class="hljs-string">"kerberos"</span>, <span class="hljs-string">"basic"</span>]
</code></pre>
@@ -126,7 +126,7 @@ the Anonymous Authenticator should be added to the end of the authentication cha
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="escalator"></a><a href="#escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
<p>The <code>druid.escalator.type</code> property determines what authentication scheme should be used for internal Druid cluster communications (such as when a Broker process communicates with Historical processes for query processing).</p>
-<p>The Escalator chosen for this property must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>. Authenticator extension implementors must also provide a corresponding Escalator implementation if they intend to use a particular authentication scheme for internal Druid communications.</p>
+<p>The Escalator chosen for this property must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>. Authenticator extension implementers must also provide a corresponding Escalator implementation if they intend to use a particular authentication scheme for internal Druid communications.</p>
<h3><a class="anchor" aria-hidden="true" id="noop-escalator"></a><a href="#noop-escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>This built-in default Escalator is intended for use only with the default AllowAll Authenticator and Authorizer.</p>
<h2><a class="anchor" aria-hidden="true" id="authorizers"></a><a href="#authorizers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
diff --git a/docs/0.16.0-incubating/design/broker.html b/docs/0.16.0-incubating/design/broker.html
index 2ec9725..eee3c7d 100644
--- a/docs/0.16.0-incubating/design/broker.html
+++ b/docs/0.16.0-incubating/design/broker.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -91,6 +91,6 @@ On start up, Historical processes announce themselves and the segments they are
<p>Most Druid queries contain an interval object that indicates a span of time for which data is requested. Likewise, Druid <a href="/docs/0.16.0-incubating/design/segments.html">Segments</a> are partitioned to contain data for some interval of time and segments are distributed across a cluster. Consider a simple datasource with 7 segments where each segment contains data for a given day of the week. Any query issued to the datasource for more than one day of data will hit more than one [...]
<p>To determine which processes to forward queries to, the Broker process first builds a view of the world from information in Zookeeper. Zookeeper maintains information about <a href="/docs/0.16.0-incubating/design/historical.html">Historical</a> and streaming ingestion <a href="/docs/0.16.0-incubating/design/peons.html">Peon</a> processes and the segments they are serving. For every datasource in Zookeeper, the Broker process builds a timeline of segments and the processes that serve t [...]
<h3><a class="anchor" aria-hidden="true" id="caching"></a><a href="#caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>Broker processes employ a cache with a LRU cache invalidation strategy. The Broker cache stores per-segment results. The cache can be local to each Broker process or shared across multiple processes using an external distributed cache such as <a href="http://memcached.org/">memcached</a>. Each time a broker process receives a query, it first maps the query to a set of segments. A subset of these segment results may already exist in the cache and the results can be directly pulled from [...]
+<p>Broker processes employ a cache with an LRU cache invalidation strategy. The Broker cache stores per-segment results. The cache can be local to each Broker process or shared across multiple processes using an external distributed cache such as <a href="http://memcached.org/">memcached</a>. Each time a broker process receives a query, it first maps the query to a set of segments. A subset of these segment results may already exist in the cache and the results can be directly pulled fro [...]
Historical processes. Once the Historical processes return their results, the Broker will store those results in the cache. Real-time segments are never cached and hence requests for real-time data will always be forwarded to real-time processes. Real-time data is perpetually changing and caching the results would be unreliable.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/auth.html"><span class="arrow-prev">← </span><span>Authentication and Authorization</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/coordinator.html"><span>Coordinator Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="contain [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/design/coordinator.html b/docs/0.16.0-incubating/design/coordinator.html
index 9c1602c..e496263 100644
--- a/docs/0.16.0-incubating/design/coordinator.html
+++ b/docs/0.16.0-incubating/design/coordinator.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -83,7 +83,7 @@
<p>For a list of API endpoints supported by the Coordinator, see <a href="../operations/api-reference.html#coordinator">Coordinator API</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>The Druid Coordinator process is primarily responsible for segment management and distribution. More specifically, the Druid Coordinator process communicates to Historical processes to load or drop segments based on configurations. The Druid Coordinator is responsible for loading new segments, dropping outdated segments, managing segment replication, and balancing segment load.</p>
-<p>The Druid Coordinator runs periodically and the time between each run is a configurable parameter. Each time the Druid Coordinator runs, it assesses the current state of the cluster before deciding on the appropriate actions to take. Similar to the Broker and Historical processses, the Druid Coordinator maintains a connection to a Zookeeper cluster for current cluster information. The Coordinator also maintains a connection to a database containing information about available segments [...]
+<p>The Druid Coordinator runs periodically and the time between each run is a configurable parameter. Each time the Druid Coordinator runs, it assesses the current state of the cluster before deciding on the appropriate actions to take. Similar to the Broker and Historical processes, the Druid Coordinator maintains a connection to a Zookeeper cluster for current cluster information. The Coordinator also maintains a connection to a database containing information about available segments [...]
<p>Before any unassigned segments are serviced by Historical processes, the available Historical processes for each tier are first sorted in terms of capacity, with least capacity servers having the highest priority. Unassigned segments are always assigned to the processes with least capacity to maintain a level of balance between processes. The Coordinator does not directly communicate with a historical process when assigning it a new segment; instead the Coordinator creates some tempor [...]
<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>coordinator
@@ -114,8 +114,8 @@ See <a href="../operations/api-reference.html#compaction-configuration">Compacti
<h3><a class="anchor" aria-hidden="true" id="segment-search-policy"></a><a href="#segment-search-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<h4><a class="anchor" aria-hidden="true" id="newest-segment-first-policy"></a><a href="#newest-segment-first-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>At every coordinator run, this policy searches for segments to compact by iterating segments from the latest to the oldest.
-Once it finds the latest segment among all dataSources, it checks if the segment is <em>compactible</em> with other segments of the same dataSource which have the same or abutting intervals.
-Note that segments are compactible if their total size is smaller than or equal to the configured <code>inputSegmentSizeBytes</code>.</p>
+Once it finds the latest segment among all dataSources, it checks if the segment is <em>compactable</em> with other segments of the same dataSource which have the same or abutting intervals.
+Note that segments are compactable if their total size is smaller than or equal to the configured <code>inputSegmentSizeBytes</code>.</p>
<p>Here are some details with an example. Let us assume we have two dataSources (<code>foo</code>, <code>bar</code>)
and 5 segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>, <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-08-01T00:00:00.000Z_2017-09-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-09-01T00:00:00.000Z_2017-10-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>).
When each segment has the same size of 10 MB and <code>inputSegmentSizeBytes</code> is 20 MB, this policy first returns two segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code> and <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>) to compact together because
diff --git a/docs/0.16.0-incubating/design/historical.html b/docs/0.16.0-incubating/design/historical.html
index 8549fe5..f199376 100644
--- a/docs/0.16.0-incubating/design/historical.html
+++ b/docs/0.16.0-incubating/design/historical.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/design/index.html b/docs/0.16.0-incubating/design/index.html
index daf11cc..12d7206 100644
--- a/docs/0.16.0-incubating/design/index.html
+++ b/docs/0.16.0-incubating/design/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/design/indexer.html b/docs/0.16.0-incubating/design/indexer.html
index 79cd416..991ca4b 100644
--- a/docs/0.16.0-incubating/design/indexer.html
+++ b/docs/0.16.0-incubating/design/indexer.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/design/indexing-service.html b/docs/0.16.0-incubating/design/indexing-service.html
index d320ae8..f2d70b8 100644
--- a/docs/0.16.0-incubating/design/indexing-service.html
+++ b/docs/0.16.0-incubating/design/indexing-service.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/design/middlemanager.html b/docs/0.16.0-incubating/design/middlemanager.html
index 5acec26..2d62cba 100644
--- a/docs/0.16.0-incubating/design/middlemanager.html
+++ b/docs/0.16.0-incubating/design/middlemanager.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -78,7 +78,7 @@
~ under the License.
-->
<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>For Apache Druid (incubating) Middlemanager Process Configuration, see <a href="../configuration/index.html#middlemanager-and-peons">Indexing Service Configuration</a>.</p>
+<p>For Apache Druid (incubating) MiddleManager Process Configuration, see <a href="../configuration/index.html#middlemanager-and-peons">Indexing Service Configuration</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>For a list of API endpoints supported by the MiddleManager, please see the <a href="../operations/api-reference.html#middlemanager">API reference</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
diff --git a/docs/0.16.0-incubating/design/overlord.html b/docs/0.16.0-incubating/design/overlord.html
index c96c996..2cfd158 100644
--- a/docs/0.16.0-incubating/design/overlord.html
+++ b/docs/0.16.0-incubating/design/overlord.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -90,7 +90,7 @@ This mode is recommended if you intend to use the indexing service as the single
<p>The Overlord provides a UI for managing tasks and workers. For more details, please see <a href="../operations/management-uis.html#overlord-console">overlord console</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="blacklisted-workers"></a><a href="#blacklisted-workers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>If a MiddleManager has task failures above a threshold, the Overlord will blacklist these MiddleManagers. No more than 20% of the MiddleManagers can be blacklisted. Blacklisted MiddleManagers will be periodically whitelisted.</p>
-<p>The following vairables can be used to set the threshold and blacklist timeouts.</p>
+<p>The following variables can be used to set the threshold and blacklist timeouts.</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.maxRetriesBeforeBlacklist</span>
druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListBackoffTime</span>
druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListCleanupPeriod</span>
diff --git a/docs/0.16.0-incubating/design/peons.html b/docs/0.16.0-incubating/design/peons.html
index ae37db7..e5f428e 100644
--- a/docs/0.16.0-incubating/design/peons.html
+++ b/docs/0.16.0-incubating/design/peons.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -89,4 +89,4 @@ Peons should rarely (if ever for testing purposes) be run on their own.</p>
</code></pre>
<p>The task file contains the task JSON object.
The status file indicates where the task status will be output.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/router.html"><span class="arrow-prev">← </span><span>Router Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html"><span>Integrating with other technologies</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-foot [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/router.html"><span class="arrow-prev">← </span><span>Router Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html"><span>Approximate Histogram aggregators</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" i [...]
\ No newline at end of file
diff --git a/docs/latest/design/realtime.md b/docs/0.16.0-incubating/design/plumber.html
similarity index 100%
rename from docs/latest/design/realtime.md
rename to docs/0.16.0-incubating/design/plumber.html
diff --git a/docs/0.16.0-incubating/design/processes.html b/docs/0.16.0-incubating/design/processes.html
index def6fbd..999e85c 100644
--- a/docs/0.16.0-incubating/design/processes.html
+++ b/docs/0.16.0-incubating/design/processes.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/design/plumber.md b/docs/0.16.0-incubating/design/realtime.html
similarity index 100%
rename from docs/latest/design/plumber.md
rename to docs/0.16.0-incubating/design/realtime.html
diff --git a/docs/0.16.0-incubating/design/router.html b/docs/0.16.0-incubating/design/router.html
index 4af6b42..60bff79 100644
--- a/docs/0.16.0-incubating/design/router.html
+++ b/docs/0.16.0-incubating/design/router.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -164,7 +164,7 @@ processes, so explicit routing needs to be used to indicate the proxy destinatio
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=consistentHash
</code></pre>
-<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous hash [...]
+<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezvous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous has [...]
<h3><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
<p>JVM settings:</p>
diff --git a/docs/0.16.0-incubating/design/segments.html b/docs/0.16.0-incubating/design/segments.html
index 643efae..7ce5012 100644
--- a/docs/0.16.0-incubating/design/segments.html
+++ b/docs/0.16.0-incubating/design/segments.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -207,7 +207,7 @@ datasource_intervalStart_intervalEnd_version_partitionNum</p>
<li>A Jackson-serialized ColumnDescriptor</li>
<li>The rest of the binary for the column</li>
</ol>
-<p>A ColumnDescriptor is essentially an object that allows us to use jackson’s polymorphic deserialization to add new and interesting methods of serialization with minimal impact to the code. It consists of some metadata about the column (what type is it, is it multi-value, etc.) and then a list of serde logic that can deserialize the rest of the binary.</p>
+<p>A ColumnDescriptor is essentially an object that allows us to use Jackson's polymorphic deserialization to add new and interesting methods of serialization with minimal impact to the code. It consists of some metadata about the column (what type is it, is it multi-value, etc.) and then a list of serialization/deserialization logic that can deserialize the rest of the binary.</p>
<h2><a class="anchor" aria-hidden="true" id="sharding-data-to-create-segments"></a><a href="#sharding-data-to-create-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<h3><a class="anchor" aria-hidden="true" id="sharding"></a><a href="#sharding" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>Multiple segments may exist for the same interval of time for the same datasource. These segments form a <code>block</code> for an interval.
diff --git a/docs/0.16.0-incubating/development/build.html b/docs/0.16.0-incubating/development/build.html
index 31799fd..fe0000b 100644
--- a/docs/0.16.0-incubating/development/build.html
+++ b/docs/0.16.0-incubating/development/build.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/experimental.html b/docs/0.16.0-incubating/development/experimental.html
index 3a3a866..04293f8 100644
--- a/docs/0.16.0-incubating/development/experimental.html
+++ b/docs/0.16.0-incubating/development/experimental.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html
index cde4937..3777e85 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -131,7 +131,7 @@ druid.emitter.ambari-metrics.eventConverter={"type":"all", "namespacePrefix": "d
Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
-This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+This property is a String containing the path for the file containing <strong>white list map JSON object</strong>.
For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
<pre><code class="hljs css language-json">
druid.emitter.ambari-metrics.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "appName":"druid", "mapPath":"/pathPrefix/fileName.json"}
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/azure.html b/docs/0.16.0-incubating/development/extensions-contrib/azure.html
index 02beeee..5ce7d49 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/azure.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/azure.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html b/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html
index db8dba8..8eef989 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html b/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
index 2722d4a..acb7fc0 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -91,7 +91,7 @@
<tr><td><code>druid.storage.basePath</code></td><td></td><td>Rackspace Cloud Files base path to use in the container.</td><td>Must be set.</td></tr>
<tr><td><code>druid.storage.operationMaxRetries</code></td><td></td><td>Number of tries before cancel a Rackspace operation.</td><td>10</td></tr>
<tr><td><code>druid.cloudfiles.userName</code></td><td></td><td>Rackspace Cloud username</td><td>Must be set.</td></tr>
-<tr><td><code>druid.cloudfiles.apiKey</code></td><td></td><td>Rackspace Cloud api key.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.cloudfiles.apiKey</code></td><td></td><td>Rackspace Cloud API key.</td><td>Must be set.</td></tr>
<tr><td><code>druid.cloudfiles.provider</code></td><td>rackspace-cloudfiles-us,rackspace-cloudfiles-uk</td><td>Name of the provider depending on the region.</td><td>Must be set.</td></tr>
<tr><td><code>druid.cloudfiles.useServiceNet</code></td><td>true,false</td><td>Whether to use the internal service net.</td><td>true</td></tr>
</tbody>
@@ -101,7 +101,7 @@
<h4><a class="anchor" aria-hidden="true" id="staticcloudfilesfirehose"></a><a href="#staticcloudfilesfirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This firehose ingests events, similar to the StaticAzureBlobStoreFirehose, but from Rackspace's Cloud Files.</p>
<p>Data is newline delimited, with one JSON object per line and parsed as per the <code>InputRowParser</code> configuration.</p>
-<p>The storage account is shared with the one used for Racksapce's Cloud Files deep storage functionality, but blobs can be in a different region and container.</p>
+<p>The storage account is shared with the one used for Rackspace's Cloud Files deep storage functionality, but blobs can be in a different region and container.</p>
<p>As with the Azure blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html b/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
index 8edb419..446cdbd 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/graphite.html b/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
index f03c3a7..0d78ae9 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -141,7 +141,7 @@ druid.emitter.graphite.eventConverter={"type":"all", "namespacePrefix": "druid.t
Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
-This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+This property is a String containing the path for the file containing <strong>white list map JSON object</strong>.
For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
<pre><code class="hljs css language-json">
druid.emitter.graphite.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "ignoreServiceName":true, "mapPath":"/pathPrefix/fileName.json"}
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/influx.html b/docs/0.16.0-incubating/development/extensions-contrib/influx.html
index 4787086..46aa0c9 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/influx.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/influx.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
index 78fa6c5..aef4103 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -93,7 +93,7 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<tr><td><code>druid.emitter.influxdb.hostname</code></td><td>The hostname of the InfluxDB server.</td><td>Yes</td><td>N/A</td></tr>
<tr><td><code>druid.emitter.influxdb.port</code></td><td>The port of the InfluxDB server.</td><td>No</td><td>8086</td></tr>
<tr><td><code>druid.emitter.influxdb.databaseName</code></td><td>The name of the database in InfluxDB.</td><td>Yes</td><td>N/A</td></tr>
-<tr><td><code>druid.emitter.influxdb.maxQueueSize</code></td><td>The size of the queue that holds events.</td><td>No</td><td>Integer.Max_Value(=2^31-1)</td></tr>
+<tr><td><code>druid.emitter.influxdb.maxQueueSize</code></td><td>The size of the queue that holds events.</td><td>No</td><td>Integer.MAX_VALUE(=2^31-1)</td></tr>
<tr><td><code>druid.emitter.influxdb.flushPeriod</code></td><td>How often (in milliseconds) the events queue is parsed into Line Protocol and POSTed to InfluxDB.</td><td>No</td><td>60000</td></tr>
<tr><td><code>druid.emitter.influxdb.flushDelay</code></td><td>How long (in milliseconds) the scheduled method will wait until it first runs.</td><td>No</td><td>60000</td></tr>
<tr><td><code>druid.emitter.influxdb.influxdbUserName</code></td><td>The username for authenticating with the InfluxDB database.</td><td>Yes</td><td>N/A</td></tr>
@@ -105,7 +105,7 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<p>An example of how this emitter parses a Druid metric event into InfluxDB's <a href="https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_reference/">line protocol</a> is given here:</p>
<p>The syntax of the line protocol is :</p>
<p><code><measurement>[,<tag_key>=<tag_value>[,<tag_key>=<tag_value>]] <field_key>=<field_value>[,<field_key>=<field_value>] [<timestamp>]</code></p>
-<p>where timestamp is in nano-seconds since epoch.</p>
+<p>where timestamp is in nanoseconds since epoch.</p>
<p>A typical service metric event as recorded by Druid's logging emitter is: <code>Event [{"feed":"metrics","timestamp":"2017-10-31T09:09:06.857Z","service":"druid/historical","host":"historical001:8083","version":"0.11.0-SNAPSHOT","metric":"query/cache/total/hits","value":34787256}]</code>.</p>
<p>This event is parsed into line protocol according to these rules:</p>
<ul>
@@ -116,5 +116,5 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<p>This gives the following String which can be POSTed to InfluxDB: <code>"druid_query,service=druid/historical,hostname=historical001,metric=druid_cache_total druid_hits=34787256 1509440946857000000"</code></p>
<p>The InfluxDB emitter has a white list of dimensions
which will be added as a tag to the line protocol string if the metric has a dimension from the white list.
-The value of the dimension is sanitized such that every occurence of a dot or whitespace is replaced with a <code>_</code> .</p>
+The value of the dimension is sanitized such that every occurrence of a dot or whitespace is replaced with a <code>_</code> .</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/influx.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">InfluxDB Line Protocol Parser</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html"><span>Kafka Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
index 2f1cc87..6fa6c5c 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/kafka-eight-firehose.md b/docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.html
similarity index 100%
rename from docs/latest/development/extensions-core/kafka-eight-firehose.md
rename to docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.html
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
index 2cd9c7d..e4111e7 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -77,10 +77,10 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<p>To use this Apache Druid (incubating) feature, make sure to only load <code>materialized-view-selection</code> on Broker and load <code>materialized-view-maintenance</code> on Overlord. In addtion, this feature currently requires a Hadoop cluster.</p>
+<p>To use this Apache Druid (incubating) feature, make sure to only load <code>materialized-view-selection</code> on Broker and load <code>materialized-view-maintenance</code> on Overlord. In addition, this feature currently requires a Hadoop cluster.</p>
<p>This feature enables Druid to greatly improve the query performance, especially when the query dataSource has a very large number of dimensions but the query only required several dimensions. This feature includes two parts. One is <code>materialized-view-maintenance</code>, and the other is <code>materialized-view-selection</code>.</p>
<h2><a class="anchor" aria-hidden="true" id="materialized-view-maintenance"></a><a href="#materialized-view-maintenance" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>In materialized-view-maintenance, dataSouces user ingested are called "base-dataSource". For each base-dataSource, we can submit <code>derivativeDataSource</code> supervisors to create and maintain other dataSources which we called "derived-dataSource". The deminsions and metrics of derived-dataSources are the subset of base-dataSource's.
+<p>In materialized-view-maintenance, dataSources user ingested are called "base-dataSource". For each base-dataSource, we can submit <code>derivativeDataSource</code> supervisors to create and maintain other dataSources which we called "derived-dataSource". The dimensions and metrics of derived-dataSources are the subset of base-dataSource's.
The <code>derivativeDataSource</code> supervisor is used to keep the timeline of derived-dataSource consistent with base-dataSource. Each <code>derivativeDataSource</code> supervisor is responsible for one derived-dataSource.</p>
<p>A sample derivativeDataSource supervisor spec is shown below:</p>
<pre><code class="hljs css language-json"> {
@@ -126,7 +126,7 @@ The <code>derivativeDataSource</code> supervisor is used to keep the timeline of
<tr><td>tuningConfig</td><td>TuningConfig must be HadoopTuningConfig. See <a href="../../ingestion/hadoop.html#tuningconfig">Hadoop tuning config</a>.</td><td>yes</td></tr>
<tr><td>dataSource</td><td>The name of this derived dataSource.</td><td>no(default=baseDataSource-hashCode of supervisor)</td></tr>
<tr><td>hadoopDependencyCoordinates</td><td>A JSON array of Hadoop dependency coordinates that Druid will use, this property will override the default Hadoop coordinates. Once specified, Druid will look for those Hadoop dependencies from the location specified by druid.extensions.hadoopDependenciesDir</td><td>no</td></tr>
-<tr><td>classpathPrefix</td><td>Classpath that will be pre-appended for the Peon process.</td><td>no</td></tr>
+<tr><td>classpathPrefix</td><td>Classpath that will be prepended for the Peon process.</td><td>no</td></tr>
<tr><td>context</td><td>See below.</td><td>no</td></tr>
</tbody>
</table>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html b/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
index b46af7a..cd8b0c0 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -84,7 +84,7 @@ The momentsketch provides coarse quantile estimates with less space and aggregat
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="aggregator"></a><a href="#aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>The result of the aggregation is a momentsketch that is the union of all sketches either built from raw data or read from the segments.</p>
-<p>The <code>momentSketch</code> aggregator operates over raw data while the <code>momentSketchMerge</code> aggregator should be used when aggregating pre-computed sketches.</p>
+<p>The <code>momentSketch</code> aggregator operates over raw data while the <code>momentSketchMerge</code> aggregator should be used when aggregating precomputed sketches.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <aggregator_type>,
<span class="hljs-attr">"name"</span> : <output_name>,
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html b/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
index f0b2b1e..592038e 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -120,7 +120,7 @@
<tr><td>dimensions</td><td>A JSON list of <a href="/docs/0.16.0-incubating/querying/dimensionspecs.html">DimensionSpec</a> (Notice that property is optional)</td><td>no</td></tr>
<tr><td>limitSpec</td><td>See <a href="/docs/0.16.0-incubating/querying/limitspec.html">LimitSpec</a></td><td>no</td></tr>
<tr><td>having</td><td>See <a href="/docs/0.16.0-incubating/querying/having.html">Having</a></td><td>no</td></tr>
-<tr><td>granularity</td><td>A period granilarity; See <a href="../../querying/granularities.html#period-granularities">Period Granularities</a></td><td>yes</td></tr>
+<tr><td>granularity</td><td>A period granularity; See <a href="../../querying/granularities.html#period-granularities">Period Granularities</a></td><td>yes</td></tr>
<tr><td>filter</td><td>See <a href="/docs/0.16.0-incubating/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>aggregations</td><td>Aggregations forms the input to Averagers; See <a href="/docs/0.16.0-incubating/querying/aggregations.html">Aggregations</a></td><td>yes</td></tr>
<tr><td>postAggregations</td><td>Supports only aggregations as input; See <a href="/docs/0.16.0-incubating/querying/post-aggregations.html">Post Aggregations</a></td><td>no</td></tr>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
index a3f206c..f5e4e8f 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -81,7 +81,7 @@
<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>This extension emits druid metrics to <a href="https://github.com/OpenTSDB/opentsdb">OpenTSDB</a> over HTTP (Using <code>Jersey client</code>). And this emitter only emits service metric events to OpenTSDB (See <a href="/docs/0.16.0-incubating/operations/metrics.html">Druid metrics</a> for a list of metrics).</p>
<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>All the configuration parameters for the opentsdb emitter are under <code>druid.emitter.opentsdb</code>.</p>
+<p>All the configuration parameters for the OpenTSDB emitter are under <code>druid.emitter.opentsdb</code>.</p>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th><th>default</th></tr>
@@ -98,7 +98,7 @@
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="druid-to-opentsdb-event-converter"></a><a href="#druid-to-opentsdb-event-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>The opentsdb emitter will send only the desired metrics and dimensions which is defined in a JSON file.
+<p>The OpenTSDB emitter will send only the desired metrics and dimensions which is defined in a JSON file.
If the user does not specify their own JSON file, a default file is used. All metrics are expected to be configured in the JSON file. Metrics which are not configured will be logged.
Desired metrics and dimensions is organized using the following schema:<code><druid metric name> : [ <dimension list> ]</code><br />
e.g.</p>
diff --git a/docs/latest/development/extensions-contrib/rocketmq.md b/docs/0.16.0-incubating/development/extensions-contrib/rabbitmq.html
similarity index 100%
rename from docs/latest/development/extensions-contrib/rocketmq.md
rename to docs/0.16.0-incubating/development/extensions-contrib/rabbitmq.html
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html b/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html
index 8713217..bef3922 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-contrib/rabbitmq.md b/docs/0.16.0-incubating/development/extensions-contrib/rocketmq.html
similarity index 100%
rename from docs/latest/development/extensions-contrib/rabbitmq.md
rename to docs/0.16.0-incubating/development/extensions-contrib/rocketmq.html
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html b/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html
index 1dac730..3b1eef6 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/statsd.html b/docs/0.16.0-incubating/development/extensions-contrib/statsd.html
index e17643a..8740895 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/statsd.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/statsd.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -95,7 +95,7 @@
<tr><td><code>druid.emitter.statsd.separator</code></td><td>Metric name separator</td><td>no</td><td>.</td></tr>
<tr><td><code>druid.emitter.statsd.includeHost</code></td><td>Flag to include the hostname as part of the metric name.</td><td>no</td><td>false</td></tr>
<tr><td><code>druid.emitter.statsd.dimensionMapPath</code></td><td>JSON file defining the StatsD type, and desired dimensions for every Druid metric</td><td>no</td><td>Default mapping provided. See below.</td></tr>
-<tr><td><code>druid.emitter.statsd.blankHolder</code></td><td>The blank character replacement as statsD does not support path with blank character</td><td>no</td><td>"-"</td></tr>
+<tr><td><code>druid.emitter.statsd.blankHolder</code></td><td>The blank character replacement as StatsD does not support path with blank character</td><td>no</td><td>"-"</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsd</code></td><td>Flag to enable <a href="https://docs.datadoghq.com/developers/dogstatsd/">DogStatsD</a> support. Causes dimensions to be included as tags, not as a part of the metric name. <code>convertRange</code> fields will be ignored.</td><td>no</td><td>false</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsdConstantTags</code></td><td>If <code>druid.emitter.statsd.dogstatsd</code> is true, the tags in the JSON list of strings will be sent with every event.</td><td>no</td><td>[]</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsdServiceAsTag</code></td><td>If <code>druid.emitter.statsd.dogstatsd</code> and <code>druid.emitter.statsd.dogstatsdServiceAsTag</code> are true, druid service (e.g. <code>druid/broker</code>, <code>druid/coordinator</code>, etc) is reported as a tag (e.g. <code>druid_service:druid/broker</code>) instead of being included in metric name (e.g. <code>druid.broker.query.time</code>) and <code>druid</code> is used as metric prefix (e.g. <code>druid. [...]
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html b/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html
index 94052dd..e30c0dd 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -78,15 +78,15 @@
~ under the License.
-->
<p>This module provides Apache Druid (incubating) approximate sketch aggregators based on T-Digest.
-T-Digest (<a href="https://github.com/tdunning/t-digest">https://github.com/tdunning/t-digest</a>) is a popular datastructure for accurate on-line accumulation of
+T-Digest (<a href="https://github.com/tdunning/t-digest">https://github.com/tdunning/t-digest</a>) is a popular data structure for accurate on-line accumulation of
rank-based statistics such as quantiles and trimmed means.
-The datastructure is also designed for parallel programming use cases like distributed aggregations or map reduce jobs by making combining two intermediate t-digests easy and efficient.</p>
+The data structure is also designed for parallel programming use cases like distributed aggregations or map reduce jobs by making combining two intermediate t-digests easy and efficient.</p>
<p>The tDigestSketch aggregator is capable of generating sketches from raw numeric values as well as
aggregating/combining pre-generated T-Digest sketches generated using the tDigestSketch aggregator itself.
While one can generate sketches on the fly during the query time itself, it generally is more performant
to generate sketches during ingestion time itself and then combining them during query time.
The module also provides a postAggregator, quantilesFromTDigestSketch, that can be used to compute approximate
-quantiles from T-Digest sketches generated by the tDigestSketch aggreator.</p>
+quantiles from T-Digest sketches generated by the tDigestSketch aggregator.</p>
<p>To use this aggregator, make sure you <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> the extension in your config file:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.extensions</span><span class="hljs-selector-class">.loadList</span>=[<span class="hljs-string">"druid-tdigestsketch"</span>]
</code></pre>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/thrift.html b/docs/0.16.0-incubating/development/extensions-contrib/thrift.html
index 27f1223..3ad8a1d 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/thrift.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/thrift.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -89,7 +89,7 @@
</thead>
<tbody>
<tr><td>type</td><td>String</td><td>This should say <code>thrift</code></td><td>yes</td></tr>
-<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. Should be a Json parseSpec.</td><td>yes</td></tr>
+<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. Should be a JSON parseSpec.</td><td>yes</td></tr>
<tr><td>thriftJar</td><td>String</td><td>path of thrift jar, if not provided, it will try to find the thrift class in classpath. Thrift jar in batch ingestion should be uploaded to HDFS first and configure <code>jobProperties</code> with <code>"tmpjars":"/path/to/your/thrift.jar"</code></td><td>no</td></tr>
<tr><td>thriftClass</td><td>String</td><td>classname of thrift</td><td>yes</td></tr>
</tbody>
@@ -131,7 +131,7 @@
<ul>
<li>Batch Ingestion - <code>inputFormat</code> and <code>tmpjars</code> should be set.</li>
</ul>
-<p>This is for batch ingestion using the HadoopDruidIndexer. The inputFormat of inputSpec in ioConfig could be one of <code>"org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat"</code> and <code>com.twitter.elephantbird.mapreduce.input.LzoThriftBlockInputFormat</code>. Be carefull, when <code>LzoThriftBlockInputFormat</code> is used, thrift class must be provided twice.</p>
+<p>This is for batch ingestion using the HadoopDruidIndexer. The inputFormat of inputSpec in ioConfig could be one of <code>"org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat"</code> and <code>com.twitter.elephantbird.mapreduce.input.LzoThriftBlockInputFormat</code>. Be careful, when <code>LzoThriftBlockInputFormat</code> is used, thrift class must be provided twice.</p>
<pre><code class="hljs css language-json">{
"type": "index_hadoop",
"spec": {
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html b/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html
index f2f0e40..20741a9 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html b/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html
index 76b749a..3a163db 100644
--- a/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html
+++ b/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -121,7 +121,7 @@ them for monitoring purposes and detect meaningful variations with a few
hundred centroids. To get good accuracy readings on 95th percentiles with
millions of rows of data, you may want to use several thousand centroids,
especially with long tails, since that's where the approximation will be worse.</p>
-<h3><a class="anchor" aria-hidden="true" id="creating-approxiate-histogram-sketches-at-ingestion-time"></a><a href="#creating-approxiate-histogram-sketches-at-ingestion-time" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.2 [...]
+<h3><a class="anchor" aria-hidden="true" id="creating-approximate-histogram-sketches-at-ingestion-time"></a><a href="#creating-approximate-histogram-sketches-at-ingestion-time" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1 [...]
<p>To use this feature, an "approxHistogram" or "approxHistogramFold" aggregator must be included at
indexing time. The ingestion aggregator can only apply to numeric values. If you use "approxHistogram"
then any input rows missing the value will be considered to have a value of 0, while with "approxHistogramFold"
@@ -197,7 +197,7 @@ query.</p>
<li><code>upperLimit</code>: Upper limit of the histogram</li>
<li><code>numBuckets</code>: Number of histogram buckets</li>
<li><code>outlierHandlingMode</code>: Outlier handling mode</li>
-<li><code>count</code>: Total number of values contained in the histgram, excluding outliers</li>
+<li><code>count</code>: Total number of values contained in the histogram, excluding outliers</li>
<li><code>lowerOutlierCount</code>: Count of outlier values below <code>lowerLimit</code>. Only used if the outlier mode is <code>overflow</code>.</li>
<li><code>upperOutlierCount</code>: Count of outlier values above <code>upperLimit</code>. Only used if the outlier mode is <code>overflow</code>.</li>
<li><code>missingValueCount</code>: Count of null values seen by the histogram.</li>
@@ -303,4 +303,4 @@ Bucket intervals are based on the range of the underlying data. This aggregator
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"quantiles"</span>, <span class="hljs-attr">"name"</span> : <output_name>, <span class="hljs-attr">"fieldName"</span> : <aggregator_name>,
<span class="hljs-attr">"probabilities"</span> : [ <quantile>, <quantile>, ... ] }
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html"><span class="arrow-prev">← </span><span>Integrating with other technologies</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/avro.html"><span>Apache Avro</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/peons.html"><span class="arrow-prev">← </span><span>Peons</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/avro.html"><span>Apache Avro</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#approximate-histogram-aggregator-deprecated">Approximate Histogr [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-core/avro.html b/docs/0.16.0-incubating/development/extensions-core/avro.html
index b28e199..431cd34 100644
--- a/docs/0.16.0-incubating/development/extensions-core/avro.html
+++ b/docs/0.16.0-incubating/development/extensions-core/avro.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -122,7 +122,7 @@ field types, which can be used to read nested Avro records. The "jq" f
may need to migrate schemas in the future, consider one of the other decoders, all of which use a message header that
allows the parser to identify the proper Avro schema for reading records.</p>
</blockquote>
-<p>This decoder can be used if all the input events can be read using the same schema. In that case schema can be specified in the input task json itself as described below.</p>
+<p>This decoder can be used if all the input events can be read using the same schema. In that case schema can be specified in the input task JSON itself as described below.</p>
<pre><code class="hljs"><span class="hljs-string">...</span>
<span class="hljs-string">"avroBytesDecoder"</span>: {
<span class="hljs-string">"type"</span>: <span class="hljs-string">"schema_inline"</span>,
@@ -140,7 +140,7 @@ allows the parser to identify the proper Avro schema for reading records.</p>
<span class="hljs-string">...</span>
</code></pre>
<h5><a class="anchor" aria-hidden="true" id="multiple-inline-schemas-based-avro-bytes-decoder"></a><a href="#multiple-inline-schemas-based-avro-bytes-decoder" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9z [...]
-<p>This decoder can be used if different input events can have different read schema. In that case schema can be specified in the input task json itself as described below.</p>
+<p>This decoder can be used if different input events can have different read schema. In that case schema can be specified in the input task JSON itself as described below.</p>
<pre><code class="hljs">...
<span class="hljs-string">"avroBytesDecoder"</span>: {
<span class="hljs-string">"type"</span>: <span class="hljs-string">"multiple_schemas_inline"</span>,
@@ -194,7 +194,7 @@ remaining bytes contain serialized avro message.</p>
</thead>
<tbody>
<tr><td>type</td><td>String</td><td>This should say <code>avro_1124</code>.</td><td>no</td></tr>
-<tr><td>topic</td><td>String</td><td>Specifies the topic of your kafka stream.</td><td>yes</td></tr>
+<tr><td>topic</td><td>String</td><td>Specifies the topic of your Kafka stream.</td><td>yes</td></tr>
</tbody>
</table>
<h6><a class="anchor" aria-hidden="true" id="avro-1124-schema-repository"></a><a href="#avro-1124-schema-repository" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
@@ -229,7 +229,7 @@ Details can be found in Schema Registry <a href="http://docs.confluent.io/curren
...
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="avro-hadoop-parser"></a><a href="#avro-hadoop-parser" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
-<p>This is for batch ingestion using the <code>HadoopDruidIndexer</code>. The <code>inputFormat</code> of <code>inputSpec</code> in <code>ioConfig</code> must be set to <code>"org.apache.druid.data.input.avro.AvroValueInputFormat"</code>. You may want to set Avro reader's schema in <code>jobProperties</code> in <code>tuningConfig</code>, eg: <code>"avro.schema.input.value.path": "/path/to/your/schema.avsc"</code> or <code>"avro.schema.input.value": [...]
+<p>This is for batch ingestion using the <code>HadoopDruidIndexer</code>. The <code>inputFormat</code> of <code>inputSpec</code> in <code>ioConfig</code> must be set to <code>"org.apache.druid.data.input.avro.AvroValueInputFormat"</code>. You may want to set Avro reader's schema in <code>jobProperties</code> in <code>tuningConfig</code>, e.g.: <code>"avro.schema.input.value.path": "/path/to/your/schema.avsc"</code> or <code>"avro.schema.input.value" [...]
<table>
<thead>
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr>
diff --git a/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html b/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html
index 2bb3235..e342fff 100644
--- a/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html
+++ b/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -80,12 +80,12 @@
<p>This Apache Druid (incubating) extension adds the ability to both construct bloom filters from query results, and filter query results by testing
against a bloom filter. Make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-bloom-filter</code> as an
extension.</p>
-<p>A BloomFilter is a probabilistic data structure for performing a set membership check. A bloom filter is a good candidate
+<p>A Bloom filter is a probabilistic data structure for performing a set membership check. A bloom filter is a good candidate
to use with Druid for cases where an explicit filter is impossible, e.g. filtering a query against a set of millions of
values.</p>
-<p>Following are some characteristics of BloomFilters:</p>
+<p>Following are some characteristics of Bloom filters:</p>
<ul>
-<li>BloomFilters are highly space efficient when compared to using a HashSet.</li>
+<li>Bloom filters are highly space efficient when compared to using a HashSet.</li>
<li>Because of the probabilistic nature of bloom filters, false positive results are possible (element was not actually
inserted into a bloom filter during construction, but <code>test()</code> says true)</li>
<li>False negatives are not possible (if element is present then <code>test()</code> will never say false).</li>
@@ -105,7 +105,7 @@ ByteArrayOutputStream byteArrayOutputStream = <span class="hljs-keyword">new</sp
BloomKFilter.serialize(byteArrayOutputStream, bloomFilter);
String base64Serialized = Base64.encodeBase64String(byteArrayOutputStream.toByteArray());
</code></pre>
-<p>This string can then be used in the native or sql Druid query.</p>
+<p>This string can then be used in the native or SQL Druid query.</p>
<h2><a class="anchor" aria-hidden="true" id="filtering-queries-with-a-bloom-filter"></a><a href="#filtering-queries-with-a-bloom-filter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 [...]
<h3><a class="anchor" aria-hidden="true" id="json-specification-of-bloom-filter"></a><a href="#json-specification-of-bloom-filter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5 [...]
<pre><code class="hljs css language-json">{
@@ -146,7 +146,7 @@ with the SQL operator.</p>
<h2><a class="anchor" aria-hidden="true" id="bloom-filter-query-aggregator"></a><a href="#bloom-filter-query-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
<p>Input for a <code>bloomKFilter</code> can also be created from a druid query with the <code>bloom</code> aggregator. Note that it is very
important to set a reasonable value for the <code>maxNumEntries</code> parameter, which is the maximum number of distinct entries
-that the bloom filter can represent without increasing the false postive rate. It may be worth performing a query using
+that the bloom filter can represent without increasing the false positive rate. It may be worth performing a query using
one of the unique count sketches to calculate the value for this parameter in order to build a bloom filter appropriate
for the query.</p>
<h3><a class="anchor" aria-hidden="true" id="json-specification-of-bloom-filter-aggregator"></a><a href="#json-specification-of-bloom-filter-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h- [...]
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
index 88405f6..b6a35ca 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html
index 517ecc5..e608084 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html
index 9683b79..c2a8435 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -77,7 +77,7 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<p>This module provides Apache Druid (incubating) aggregators based on numeric quantiles DoublesSketch from <a href="https://datasketches.github.io/">datasketches</a> library. Quantiles sketch is a mergeable streaming algorithm to estimate the distribution of values, and approximately answer queries about the rank of a value, probability mass function of the distribution (PMF) or histogram, cummulative distribution function (CDF), and quantiles (median, min, max, 95th percentile and such [...]
+<p>This module provides Apache Druid (incubating) aggregators based on numeric quantiles DoublesSketch from <a href="https://datasketches.github.io/">datasketches</a> library. Quantiles sketch is a mergeable streaming algorithm to estimate the distribution of values, and approximately answer queries about the rank of a value, probability mass function of the distribution (PMF) or histogram, cumulative distribution function (CDF), and quantiles (median, min, max, 95th percentile and such) [...]
<p>There are three major modes of operation:</p>
<ol>
<li>Ingesting sketches built outside of Druid (say, with Pig or Hive)</li>
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html
index 22ef2fd..0aee5a3 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html
index 830e941..99d8ce2 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -101,7 +101,7 @@
<tr><td>fieldName</td><td>A String for the name of the input field.</td><td>yes</td></tr>
<tr><td>nominalEntries</td><td>Parameter that determines the accuracy and size of the sketch. Higher k means higher accuracy but more space to store sketches. Must be a power of 2. See the <a href="https://datasketches.github.io/docs/0.16.0-incubating/Theta/ThetaErrorTable.html">Theta sketch accuracy</a> for details.</td><td>no, defaults to 16384</td></tr>
<tr><td>numberOfValues</td><td>Number of values associated with each distinct key.</td><td>no, defaults to 1</td></tr>
-<tr><td>metricCoulumns</td><td>If building sketches from raw data, an array of names of the input columns containing numeric vaues to be associated with each distinct key.</td><td>no, defaults to empty array</td></tr>
+<tr><td>metricColumns</td><td>If building sketches from raw data, an array of names of the input columns containing numeric values to be associated with each distinct key.</td><td>no, defaults to empty array</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="post-aggregators"></a><a href="#post-aggregators" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
@@ -147,7 +147,7 @@
}
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="quantiles-sketch-from-a-column"></a><a href="#quantiles-sketch-from-a-column" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
-<p>Returns a quanitles DoublesSketch constructed from a given column of values from a given ArrayOfDoublesSketch using optional parameter k that determines the accuracy and size of the quantiles sketch. See <a href="datasketches-quantiles.html">Quantiles Sketch Module</a></p>
+<p>Returns a quantiles DoublesSketch constructed from a given column of values from a given ArrayOfDoublesSketch using optional parameter k that determines the accuracy and size of the quantiles sketch. See <a href="datasketches-quantiles.html">Quantiles Sketch Module</a></p>
<ul>
<li>The column number is 1-based and is optional (the default is 1).</li>
<li>The parameter k is optional (the default is defined in the sketch library).</li>
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html b/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html
index 8b1d9ff..ec6a6dc 100644
--- a/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html
+++ b/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -140,7 +140,7 @@ druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-cl
<tr><th>Property</th><th>Description</th><th>Default</th><th>required</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.escalator.internalClientUsername</code></td><td>The escalator will use this username for requests made as the internal systerm user.</td><td>n/a</td><td>Yes</td></tr>
+<tr><td><code>druid.escalator.internalClientUsername</code></td><td>The escalator will use this username for requests made as the internal system user.</td><td>n/a</td><td>Yes</td></tr>
<tr><td><code>druid.escalator.internalClientPassword</code></td><td>The escalator will use this <a href="/docs/0.16.0-incubating/operations/password-provider.html">Password Provider</a> for requests made as the internal system user.</td><td>n/a</td><td>Yes</td></tr>
<tr><td><code>druid.escalator.authorizerName</code></td><td>Authorizer that requests should be directed to.</td><td>n/a</td><td>Yes</td></tr>
</tbody>
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html b/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html
index 75ff0d2..e49ee98 100644
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -97,10 +97,10 @@ druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-cl
<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th><th>required</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.auth.authenticator.kerberos.serverPrincipal</code></td><td><code>HTTP/_HOST@EXAMPLE.COM</code></td><td>SPNego service principal used by druid processes</td><td>empty</td><td>Yes</td></tr>
+<tr><td><code>druid.auth.authenticator.kerberos.serverPrincipal</code></td><td><code>HTTP/_HOST@EXAMPLE.COM</code></td><td>SPNEGO service principal used by druid processes</td><td>empty</td><td>Yes</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.serverKeytab</code></td><td><code>/etc/security/keytabs/spnego.service.keytab</code></td><td>SPNego service keytab used by druid processes</td><td>empty</td><td>Yes</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.authToLocal</code></td><td><code>RULE:[1:$1@$0](druid@EXAMPLE.COM)s/.*/druid DEFAULT</code></td><td>It allows you to set a general rule for mapping principal names to local user names. It will be used if there is not an explicit mapping for the principal name that is being translated.</td><td>DEFAULT</td><td>No</td></tr>
-<tr><td><code>druid.auth.authenticator.kerberos.cookieSignatureSecret</code></td><td><code>secretString</code></td><td>Secret used to sign authentication cookies. It is advisable to explicitly set it, if you have multiple druid ndoes running on same machine with different ports as the Cookie Specification does not guarantee isolation by port.</td><td><Random value></td><td>No</td></tr>
+<tr><td><code>druid.auth.authenticator.kerberos.cookieSignatureSecret</code></td><td><code>secretString</code></td><td>Secret used to sign authentication cookies. It is advisable to explicitly set it, if you have multiple druid nodes running on same machine with different ports as the Cookie Specification does not guarantee isolation by port.</td><td><Random value></td><td>No</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.authorizerName</code></td><td>Depends on available authorizers</td><td>Authorizer that requests should be directed to</td><td>Empty</td><td>Yes</td></tr>
</tbody>
</table>
@@ -110,7 +110,7 @@ The special string _HOST will be replaced automatically with the value of config
<p>In older releases, the Kerberos authenticator had an <code>excludedPaths</code> property that allowed the user to specify a list of paths where authentication checks should be skipped. This property has been removed from the Kerberos authenticator because the path exclusion functionality is now handled across all authenticators/authorizers by setting <code>druid.auth.unsecuredPaths</code>, as described in the <a href="/docs/0.16.0-incubating/design/auth.html">main auth documentation</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="auth-to-local-syntax"></a><a href="#auth-to-local-syntax" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
<p><code>druid.auth.authenticator.kerberos.authToLocal</code> allows you to set a general rules for mapping principal names to local user names.
-The syntax for mapping rules is <code>RULE:\[n:string](regexp)s/pattern/replacement/g</code>. The integer n indicates how many components the target principal should have. If this matches, then a string will be formed from string, substituting the realm of the principal for $0 and the n‘th component of the principal for $n. e.g. if the principal was druid/admin then <code>\[2:$2$1suffix]</code> would result in the string <code>admindruidsuffix</code>.
+The syntax for mapping rules is <code>RULE:\[n:string](regexp)s/pattern/replacement/g</code>. The integer n indicates how many components the target principal should have. If this matches, then a string will be formed from string, substituting the realm of the principal for $0 and the nth component of the principal for $n. e.g. if the principal was druid/admin then <code>\[2:$2$1suffix]</code> would result in the string <code>admindruidsuffix</code>.
If this string matches regexp, then the s//[g] substitution command will be run over the string. The optional g will cause the substitution to be global over the string, instead of replacing only the first match in the string.
If required, multiple rules can be be joined by newline character and specified as a String.</p>
<h3><a class="anchor" aria-hidden="true" id="increasing-http-header-size-for-large-spnego-negotiate-header"></a><a href="#increasing-http-header-size-for-large-spnego-negotiate-header" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-. [...]
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html b/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html
index 1189420..e449666 100644
--- a/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html
+++ b/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -97,12 +97,12 @@ If you need new type of data fetcher, all you need to do, is to implement the in
<h4><a class="anchor" aria-hidden="true" id="poll-lookup-cache"></a><a href="#poll-lookup-cache" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>The poll strategy cache strategy will fetch and swap all the pair of key/values periodically from the lookup source.
Hence, user should make sure that the cache can fit all the data.
-The current implementation provides 2 type of poll cache, the first is onheap (uses immutable map), while the second uses MapBD based offheap map.
+The current implementation provides 2 type of poll cache, the first is on-heap (uses immutable map), while the second uses MapDB based off-heap map.
User can also implement a different lookup polling cache by implementing <code>PollingCacheFactory</code> and <code>PollingCache</code> interfaces.</p>
<h4><a class="anchor" aria-hidden="true" id="loading-lookup"></a><a href="#loading-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>Loading cache strategy will load the key/value pair upon request on the key it self, the general algorithm is load key if absent.
Once the key/value pair is loaded eviction will occur according to the cache eviction policy.
-This module comes with two loading lookup implementation, the first is onheap backed by a Guava cache implementation, the second is MapDB offheap implementation.
+This module comes with two loading lookup implementation, the first is on-heap backed by a Guava cache implementation, the second is MapDB off-heap implementation.
Both implementations offer various eviction strategies.
Same for Loading cache, developer can implement a new type of loading cache by implementing <code>LookupLoadingCache</code> interface.</p>
<h2><a class="anchor" aria-hidden="true" id="configuration-and-operation"></a><a href="#configuration-and-operation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
@@ -113,8 +113,8 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th><th>default</th></tr>
</thead>
<tbody>
-<tr><td>dataFetcher</td><td>Json object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
-<tr><td>cacheFactory</td><td>Json Object</td><td>Cache factory implementation</td><td>no</td><td>onHeapPolling</td></tr>
+<tr><td>dataFetcher</td><td>JSON object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
+<tr><td>cacheFactory</td><td>JSON Object</td><td>Cache factory implementation</td><td>no</td><td>onHeapPolling</td></tr>
<tr><td>pollPeriod</td><td>Period</td><td>polling period</td><td>no</td><td>null (poll once)</td></tr>
</tbody>
</table>
@@ -143,9 +143,9 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th><th>default</th></tr>
</thead>
<tbody>
-<tr><td>dataFetcher</td><td>Json object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
-<tr><td>loadingCacheSpec</td><td>Json Object</td><td>Lookup cache spec implementation</td><td>yes</td><td>null</td></tr>
-<tr><td>reverseLoadingCacheSpec</td><td>Json Object</td><td>Reverse lookup cache implementation</td><td>yes</td><td>null</td></tr>
+<tr><td>dataFetcher</td><td>JSON object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
+<tr><td>loadingCacheSpec</td><td>JSON Object</td><td>Lookup cache spec implementation</td><td>yes</td><td>null</td></tr>
+<tr><td>reverseLoadingCacheSpec</td><td>JSON Object</td><td>Reverse lookup cache implementation</td><td>yes</td><td>null</td></tr>
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="example-loading-on-heap-guava"></a><a href="#example-loading-on-heap-guava" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
diff --git a/docs/0.16.0-incubating/development/extensions-core/google.html b/docs/0.16.0-incubating/development/extensions-core/google.html
index fe2db99..8ddb178 100644
--- a/docs/0.16.0-incubating/development/extensions-core/google.html
+++ b/docs/0.16.0-incubating/development/extensions-core/google.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/hdfs.html b/docs/0.16.0-incubating/development/extensions-core/hdfs.html
index 6a52bbe..478b4c8 100644
--- a/docs/0.16.0-incubating/development/extensions-core/hdfs.html
+++ b/docs/0.16.0-incubating/development/extensions-core/hdfs.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-contrib/kafka-simple.md b/docs/0.16.0-incubating/development/extensions-core/kafka-eight-firehose.html
similarity index 100%
rename from docs/latest/development/extensions-contrib/kafka-simple.md
rename to docs/0.16.0-incubating/development/extensions-core/kafka-eight-firehose.html
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html b/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
index 5ecfbbf..4c9f10e 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -81,7 +81,7 @@
<p>Lookups are an <a href="/docs/0.16.0-incubating/development/experimental.html">experimental</a> feature.</p>
</blockquote>
<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-lookups-cached-global</code> and <code>druid-kafka-extraction-namespace</code> as an extension.</p>
-<p>If you need updates to populate as promptly as possible, it is possible to plug into a kafka topic whose key is the old value and message is the desired new value (both in UTF-8) as a LookupExtractorFactory.</p>
+<p>If you need updates to populate as promptly as possible, it is possible to plug into a Kafka topic whose key is the old value and message is the desired new value (both in UTF-8) as a LookupExtractorFactory.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"kafka"</span>,
<span class="hljs-attr">"kafkaTopic"</span>:<span class="hljs-string">"testTopic"</span>,
@@ -93,21 +93,21 @@
<tr><th>Parameter</th><th>Description</th><th>Required</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>kafkaTopic</code></td><td>The kafka topic to read the data from</td><td>Yes</td><td></td></tr>
+<tr><td><code>kafkaTopic</code></td><td>The Kafka topic to read the data from</td><td>Yes</td><td></td></tr>
<tr><td><code>kafkaProperties</code></td><td>Kafka consumer properties. At least"zookeeper.connect" must be specified. Only the zookeeper connector is supported</td><td>Yes</td><td></td></tr>
<tr><td><code>connectTimeout</code></td><td>How long to wait for an initial connection</td><td>No</td><td><code>0</code> (do not wait)</td></tr>
<tr><td><code>isOneToOne</code></td><td>The map is a one-to-one (see <a href="/docs/0.16.0-incubating/querying/dimensionspecs.html">Lookup DimensionSpecs</a>)</td><td>No</td><td><code>false</code></td></tr>
</tbody>
</table>
-<p>The extension <code>kafka-extraction-namespace</code> enables reading from a kafka feed which has name/key pairs to allow renaming of dimension values. An example use case would be to rename an ID to a human readable format.</p>
+<p>The extension <code>kafka-extraction-namespace</code> enables reading from a Kafka feed which has name/key pairs to allow renaming of dimension values. An example use case would be to rename an ID to a human readable format.</p>
<p>The consumer properties <code>group.id</code> and <code>auto.offset.reset</code> CANNOT be set in <code>kafkaProperties</code> as they are set by the extension as <code>UUID.randomUUID().toString()</code> and <code>smallest</code> respectively.</p>
<p>See <a href="/docs/0.16.0-incubating/querying/lookups.html">lookups</a> for how to configure and use lookups.</p>
<h2><a class="anchor" aria-hidden="true" id="limitations"></a><a href="#limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>Currently the Kafka lookup extractor feeds the entire kafka stream into a local cache. If you are using OnHeap caching, this can easily clobber your java heap if the kafka stream spews a lot of unique keys.
-OffHeap caching should alleviate these concerns, but there is still a limit to the quantity of data that can be stored.
+<p>Currently the Kafka lookup extractor feeds the entire Kafka stream into a local cache. If you are using on-heap caching, this can easily clobber your java heap if the Kafka stream spews a lot of unique keys.
+off-heap caching should alleviate these concerns, but there is still a limit to the quantity of data that can be stored.
There is currently no eviction policy.</p>
<h2><a class="anchor" aria-hidden="true" id="testing-the-kafka-rename-functionality"></a><a href="#testing-the-kafka-rename-functionality" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
-<p>To test this setup, you can send key/value pairs to a kafka stream via the following producer console:</p>
+<p>To test this setup, you can send key/value pairs to a Kafka stream via the following producer console:</p>
<pre><code class="hljs">./bin/kafka-console-producer.sh --<span class="hljs-keyword">property</span><span class="hljs-title"> </span>parse.<span class="hljs-attr">key=</span><span class="hljs-literal">true</span> --<span class="hljs-keyword">property</span><span class="hljs-title"> </span>key.<span class="hljs-attr">separator=</span><span class="hljs-string">"->"</span> --broker-list localhost:<span class="hljs-number">9092</span> --topic testTopic
</code></pre>
<p>Renames can then be published as <code>OLD_VAL->NEW_VAL</code> followed by newline (enter or return)</p>
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
index 5bde0fc..73f215e 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -258,7 +258,7 @@ MiddleManagers. A supervisor for a dataSource is started by submitting a supervi
<tbody>
<tr><td><code>topic</code></td><td>String</td><td>The Kafka topic to read from. This must be a specific topic as topic patterns are not supported.</td><td>yes</td></tr>
<tr><td><code>consumerProperties</code></td><td>Map<String, Object></td><td>A map of properties to be passed to the Kafka consumer. This must contain a property <code>bootstrap.servers</code> with a list of Kafka brokers in the form: <code><BROKER_1>:<PORT_1>,<BROKER_2>:<PORT_2>,...</code>. For SSL connections, the <code>keystore</code>, <code>truststore</code> and <code>key</code> passwords can be provided as a <a href="/docs/0.16.0-incubating/operations/pa [...]
-<tr><td><code>pollTimeout</code></td><td>Long</td><td>The length of time to wait for the kafka consumer to poll records, in milliseconds</td><td>no (default == 100)</td></tr>
+<tr><td><code>pollTimeout</code></td><td>Long</td><td>The length of time to wait for the Kafka consumer to poll records, in milliseconds</td><td>no (default == 100)</td></tr>
<tr><td><code>replicas</code></td><td>Integer</td><td>The number of replica sets, where 1 means a single set of tasks (no replication). Replica tasks will always be assigned to different workers to provide resiliency against process failure.</td><td>no (default == 1)</td></tr>
<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKafkaPartitions}</code>.</td> [...]
<tr><td><code>taskDuration</code></td><td>ISO8601 Period</td><td>The length of time before tasks stop reading and begin publishing their segment.</td><td>no (default == PT1H)</td></tr>
@@ -360,9 +360,9 @@ may cause some Kafka messages to be skipped or to be read twice.</p>
<p><code>POST /druid/indexer/v1/supervisor/<supervisorId>/terminate</code> terminates a supervisor and causes all associated indexing
tasks managed by this supervisor to immediately stop and begin
publishing their segments. This supervisor will still exist in the metadata store and it's history may be retrieved
-with the supervisor history api, but will not be listed in the 'get supervisors' api response nor can it's configuration
+with the supervisor history API, but will not be listed in the 'get supervisors' API response nor can it's configuration
or status report be retrieved. The only way this supervisor can start again is by submitting a functioning supervisor
-spec to the create api.</p>
+spec to the create API.</p>
<h3><a class="anchor" aria-hidden="true" id="capacity-planning"></a><a href="#capacity-planning" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>Kafka indexing tasks run on MiddleManagers and are thus limited by the resources available in the MiddleManager
cluster. In particular, you should make sure that you have sufficient worker capacity (configured using the
@@ -401,7 +401,7 @@ fail-overs.</p>
tombstone marker in the database (to prevent the supervisor from being reloaded on a restart) and then gracefully
shuts down the currently running supervisor. When a supervisor is shut down in this way, it will instruct its
managed tasks to stop reading and begin publishing their segments immediately. The call to the shutdown endpoint will
-return after all tasks have been signalled to stop but before the tasks finish publishing their segments.</p>
+return after all tasks have been signaled to stop but before the tasks finish publishing their segments.</p>
<h3><a class="anchor" aria-hidden="true" id="schema-configuration-changes"></a><a href="#schema-configuration-changes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
<p>Schema and configuration changes are handled by submitting the new supervisor spec via the same
<code>POST /druid/indexer/v1/supervisor</code> endpoint used to initially create the supervisor. The Overlord will initiate a
diff --git a/docs/0.16.0-incubating/development/extensions-core/kinesis-ingestion.html b/docs/0.16.0-incubating/development/extensions-core/kinesis-ingestion.html
index 09215cc..59d6695 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kinesis-ingestion.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kinesis-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -258,7 +258,7 @@ and the MiddleManagers. A supervisor for a dataSource is started by submitting a
<tr><td><code>stream</code></td><td>String</td><td>The Kinesis stream to read.</td><td>yes</td></tr>
<tr><td><code>endpoint</code></td><td>String</td><td>The AWS Kinesis stream endpoint for a region. You can find a list of endpoints <a href="http://docs.aws.amazon.com/general/latest/gr/rande.html#ak_region">here</a>.</td><td>no (default == kinesis.us-east-1.amazonaws.com)</td></tr>
<tr><td><code>replicas</code></td><td>Integer</td><td>The number of replica sets, where 1 means a single set of tasks (no replication). Replica tasks will always be assigned to different workers to provide resiliency against process failure.</td><td>no (default == 1)</td></tr>
-<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKinesisshards}</code>.</td><t [...]
+<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKinesisShards}</code>.</td><t [...]
<tr><td><code>taskDuration</code></td><td>ISO8601 Period</td><td>The length of time before tasks stop reading and begin publishing their segment.</td><td>no (default == PT1H)</td></tr>
<tr><td><code>startDelay</code></td><td>ISO8601 Period</td><td>The period to wait before the supervisor starts managing tasks.</td><td>no (default == PT5S)</td></tr>
<tr><td><code>period</code></td><td>ISO8601 Period</td><td>How often the supervisor will execute its management logic. Note that the supervisor will also run in response to certain events (such as tasks succeeding, failing, and reaching their taskDuration) so this value specifies the maximum time between iterations.</td><td>no (default == PT30S)</td></tr>
diff --git a/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html b/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html
index eb19e65..e5805a7 100644
--- a/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html
+++ b/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -143,7 +143,7 @@ and are small enough to reasonably populate in-memory. This usually means tens t
<p>Proper functionality of globally cached lookups requires the following extension to be loaded on the Broker, Peon, and Historical processes:
<code>druid-lookups-cached-global</code></p>
<h2><a class="anchor" aria-hidden="true" id="example-configuration"></a><a href="#example-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>In a simple case where only one <a href="../../querying/lookups.html#dynamic-configuration">tier</a> exists (<code>realtime_customer2</code>) with one <code>cachedNamespace</code> lookup called <code>country_code</code>, the resulting configuration json looks similar to the following:</p>
+<p>In a simple case where only one <a href="../../querying/lookups.html#dynamic-configuration">tier</a> exists (<code>realtime_customer2</code>) with one <code>cachedNamespace</code> lookup called <code>country_code</code>, the resulting configuration JSON looks similar to the following:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"realtime_customer2"</span>: {
<span class="hljs-attr">"country_code"</span>: {
@@ -205,7 +205,7 @@ setting namespaces (Broker, Peon, Historical)</p>
<tbody>
<tr><td><code>druid.lookup.namespace.cache.type</code></td><td>Specifies the type of caching to be used by the namespaces. May be one of [<code>offHeap</code>, <code>onHeap</code>]. <code>offHeap</code> uses a temporary file for off-heap storage of the namespace (memory mapped files). <code>onHeap</code> stores all cache on the heap in standard java map types.</td><td><code>onHeap</code></td></tr>
<tr><td><code>druid.lookup.namespace.numExtractionThreads</code></td><td>The number of threads in the thread pool dedicated for lookup extraction and updates. This number may need to be scaled up, if you have a lot of lookups and they take long time to extract, to avoid timeouts.</td><td>2</td></tr>
-<tr><td><code>druid.lookup.namespace.numBufferedEntries</code></td><td>If using offHeap caching, the number of records to be stored on an on-heap buffer.</td><td>100,000</td></tr>
+<tr><td><code>druid.lookup.namespace.numBufferedEntries</code></td><td>If using off-heap caching, the number of records to be stored on an on-heap buffer.</td><td>100,000</td></tr>
</tbody>
</table>
<p>The cache is populated in different ways depending on the settings below. In general, most namespaces employ
@@ -217,7 +217,7 @@ It's highly recommended that <code>druid.lookup.namespace.numBufferedEntries</co
<h2><a class="anchor" aria-hidden="true" id="supported-lookups"></a><a href="#supported-lookups" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>For additional lookups, please see our <a href="/docs/0.16.0-incubating/development/extensions.html">extensions list</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="uri-lookup"></a><a href="#uri-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
-<p>The remapping values for each globally cached lookup can be specified by a json object as per the following examples:</p>
+<p>The remapping values for each globally cached lookup can be specified by a JSON object as per the following examples:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"uri"</span>,
<span class="hljs-attr">"uri"</span>: <span class="hljs-string">"s3://bucket/some/key/prefix/renames-0003.gz"</span>,
@@ -341,7 +341,7 @@ truck|<span class="hljs-type">something</span>,<span class="hljs-number">3</span
<p>With customJson parsing, if the value field for a particular row is missing or null then that line will be skipped, and
will not be included in the lookup.</p>
<h4><a class="anchor" aria-hidden="true" id="simplejson-lookupparsespec"></a><a href="#simplejson-lookupparsespec" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>The <code>simpleJson</code> lookupParseSpec does not take any parameters. It is simply a line delimited json file where the field is the key, and the field's value is the value.</p>
+<p>The <code>simpleJson</code> lookupParseSpec does not take any parameters. It is simply a line delimited JSON file where the field is the key, and the field's value is the value.</p>
<p><em>example input</em></p>
<pre><code class="hljs css language-json">{<span class="hljs-attr">"foo"</span>: <span class="hljs-string">"bar"</span>}
{<span class="hljs-attr">"baz"</span>: <span class="hljs-string">"bat"</span>}
@@ -353,7 +353,7 @@ will not be included in the lookup.</p>
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="jdbc-lookup"></a><a href="#jdbc-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>The JDBC lookups will poll a database to populate its local cache. If the <code>tsColumn</code> is set it must be able to accept comparisons in the format <code>'2015-01-01 00:00:00'</code>. For example, the following must be valid sql for the table <code>SELECT * FROM some_lookup_table WHERE timestamp_column > '2015-01-01 00:00:00'</code>. If <code>tsColumn</code> is set, the caching service will attempt to only poll values that were written <em>after</em> the last sync. If <code> [...]
+<p>The JDBC lookups will poll a database to populate its local cache. If the <code>tsColumn</code> is set it must be able to accept comparisons in the format <code>'2015-01-01 00:00:00'</code>. For example, the following must be valid SQL for the table <code>SELECT * FROM some_lookup_table WHERE timestamp_column > '2015-01-01 00:00:00'</code>. If <code>tsColumn</code> is set, the caching service will attempt to only poll values that were written <em>after</em> the last sync. If <code> [...]
<table>
<thead>
<tr><th>Parameter</th><th>Description</th><th>Required</th><th>Default</th></tr>
diff --git a/docs/0.16.0-incubating/development/extensions-core/mysql.html b/docs/0.16.0-incubating/development/extensions-core/mysql.html
index 275c5e1..a8bd06e 100644
--- a/docs/0.16.0-incubating/development/extensions-core/mysql.html
+++ b/docs/0.16.0-incubating/development/extensions-core/mysql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-core/orc.html b/docs/0.16.0-incubating/development/extensions-core/orc.html
index c196dfb..5784ca3 100644
--- a/docs/0.16.0-incubating/development/extensions-core/orc.html
+++ b/docs/0.16.0-incubating/development/extensions-core/orc.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -297,7 +297,7 @@ setting <code>"mapreduce.job.user.classpath.first": "true"</
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="migration-from-contrib-extension"></a><a href="#migration-from-contrib-extension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p>This extension, first available in version 0.15.0, replaces the previous 'contrib' extension which was available until
-0.14.0-incubating. While this extension can index any data the 'contrib' extension could, the json spec for the
+0.14.0-incubating. While this extension can index any data the 'contrib' extension could, the JSON spec for the
ingestion task is <em>incompatible</em>, and will need modified to work with the newer 'core' extension.</p>
<p>To migrate to 0.15.0+:</p>
<ul>
diff --git a/docs/0.16.0-incubating/development/extensions-core/parquet.html b/docs/0.16.0-incubating/development/extensions-core/parquet.html
index fa9b65d..d6d5411 100644
--- a/docs/0.16.0-incubating/development/extensions-core/parquet.html
+++ b/docs/0.16.0-incubating/development/extensions-core/parquet.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -97,11 +97,11 @@ the <code>ioConfig</code>:</p>
<p>Both parse options support auto field discovery and flattening if provided with a
<a href="/docs/0.16.0-incubating/ingestion/index.html#flattenspec"><code>flattenSpec</code></a> with <code>parquet</code> or <code>avro</code> as the format. Parquet nested list and map
<a href="https://github.com/apache/parquet-format/blob/master/LogicalTypes.md">logical types</a> <em>should</em> operate correctly with
-json path expressions for all supported types. <code>parquet-avro</code> sets a hadoop job property
+JSON path expressions for all supported types. <code>parquet-avro</code> sets a hadoop job property
<code>parquet.avro.add-list-element-records</code> to <code>false</code> (which normally defaults to <code>true</code>), in order to 'unwrap' primitive
list elements into multi-value dimensions.</p>
<p>The <code>parquet</code> parser supports <code>int96</code> Parquet values, while <code>parquet-avro</code> does not. There may also be some subtle
-differences in the behavior of json path expression evaluation of <code>flattenSpec</code>.</p>
+differences in the behavior of JSON path expression evaluation of <code>flattenSpec</code>.</p>
<p>We suggest using <code>parquet</code> over <code>parquet-avro</code> to allow ingesting data beyond the schema constraints of Avro conversion.
However, <code>parquet-avro</code> was the original basis for this extension, and as such it is a bit more mature.</p>
<table>
diff --git a/docs/0.16.0-incubating/development/extensions-core/postgresql.html b/docs/0.16.0-incubating/development/extensions-core/postgresql.html
index 6cbd394..017f3f3 100644
--- a/docs/0.16.0-incubating/development/extensions-core/postgresql.html
+++ b/docs/0.16.0-incubating/development/extensions-core/postgresql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -113,7 +113,7 @@ with the location (host name and port) of the database.</p>
<span class="hljs-meta">druid.metadata.storage.connector.password</span>=<span class="hljs-string">diurd</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>In most cases, the configuration options map directly to the <a href="https://jdbc.postgresql.org/documentation/head/connect.html">postgres jdbc connection options</a>.</p>
+<p>In most cases, the configuration options map directly to the <a href="https://jdbc.postgresql.org/documentation/head/connect.html">postgres JDBC connection options</a>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
diff --git a/docs/0.16.0-incubating/development/extensions-core/protobuf.html b/docs/0.16.0-incubating/development/extensions-core/protobuf.html
index dcbd37c..7b2a485 100644
--- a/docs/0.16.0-incubating/development/extensions-core/protobuf.html
+++ b/docs/0.16.0-incubating/development/extensions-core/protobuf.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -87,7 +87,7 @@
<tr><td>type</td><td>String</td><td>This should say <code>protobuf</code>.</td><td>no</td></tr>
<tr><td>descriptor</td><td>String</td><td>Protobuf descriptor file name in the classpath or URL.</td><td>yes</td></tr>
<tr><td>protoMessageType</td><td>String</td><td>Protobuf message type in the descriptor. Both short name and fully qualified name are accepted. The parser uses the first message type found in the descriptor if not specified.</td><td>no</td></tr>
-<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. The format must be json. See <a href="/docs/0.16.0-incubating/ingestion/index.html">JSON ParseSpec</a> for more configuration options. Please note timeAndDims parseSpec is no longer supported.</td><td>yes</td></tr>
+<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. The format must be JSON. See <a href="/docs/0.16.0-incubating/ingestion/index.html">JSON ParseSpec</a> for more configuration options. Please note timeAndDims parseSpec is no longer supported.</td><td>yes</td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="example-load-protobuf-messages-from-kafka"></a><a href="#example-load-protobuf-messages-from-kafka" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 [...]
@@ -137,7 +137,7 @@ Please make sure these keys are properly configured for successful ingestion.</p
<li><code>protoMessageType</code> from the proto definition.</li>
<li>parseSpec <code>format</code> must be <code>json</code>.</li>
<li><code>topic</code> to subscribe. The topic is "metrics_pb" instead of "metrics".</li>
-<li><code>bootstrap.server</code> is the kafka broker host.</li>
+<li><code>bootstrap.server</code> is the Kafka broker host.</li>
</ul>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"kafka"</span>,
diff --git a/docs/0.16.0-incubating/development/extensions-core/s3.html b/docs/0.16.0-incubating/development/extensions-core/s3.html
index 5a1cde3..65e832e 100644
--- a/docs/0.16.0-incubating/development/extensions-core/s3.html
+++ b/docs/0.16.0-incubating/development/extensions-core/s3.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -92,9 +92,9 @@
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.s3.accessKey</code></td><td>S3 access key.See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
-<tr><td><code>druid.s3.secretKey</code></td><td>S3 secret key.See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
-<tr><td><code>druid.s3.fileSessionCredentials</code></td><td>Path to properties file containing <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> value. One key/value pair per line (format <code>key=value</code>). See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.accessKey</code></td><td>S3 access key. See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.secretKey</code></td><td>S3 secret key. See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.fileSessionCredentials</code></td><td>Path to properties file containing <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> value. One key/value pair per line (format <code>key=value</code>). See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
<tr><td><code>druid.s3.protocol</code></td><td>Communication protocol type to use when sending requests to AWS. <code>http</code> or <code>https</code> can be used. This configuration would be ignored if <code>druid.s3.endpoint.url</code> is filled with a URL with a different protocol.</td><td><code>https</code></td></tr>
<tr><td><code>druid.s3.disableChunkedEncoding</code></td><td>Disables chunked encoding. See <a href="https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#disableChunkedEncoding--">AWS document</a> for details.</td><td>false</td></tr>
<tr><td><code>druid.s3.enablePathStyleAccess</code></td><td>Enables path style access. See <a href="https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#enablePathStyleAccess--">AWS document</a> for details.</td><td>false</td></tr>
@@ -127,16 +127,16 @@ If <code>druid.storage.disableAcl</code> is set to <code>false</code>, then <cod
</thead>
<tbody>
<tr><td>1</td><td>Druid config file</td><td>Based on your runtime.properties if it contains values <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code></td></tr>
-<tr><td>2</td><td>Custom properties file</td><td>Based on custom properties file where you can supply <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> values. This file is provided to Druid through <code>druid.s3.fileSessionCredentials</code> propertie</td></tr>
+<tr><td>2</td><td>Custom properties file</td><td>Based on custom properties file where you can supply <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> values. This file is provided to Druid through <code>druid.s3.fileSessionCredentials</code> properties</td></tr>
<tr><td>3</td><td>Environment variables</td><td>Based on environment variables <code>AWS_ACCESS_KEY_ID</code> and <code>AWS_SECRET_ACCESS_KEY</code></td></tr>
<tr><td>4</td><td>Java system properties</td><td>Based on JVM properties <code>aws.accessKeyId</code> and <code>aws.secretKey</code></td></tr>
-<tr><td>5</td><td>Profile informations</td><td>Based on credentials you may have on your druid instance (generally in <code>~/.aws/credentials</code>)</td></tr>
-<tr><td>6</td><td>Instance profile informations</td><td>Based on the instance profile you may have attached to your druid instance</td></tr>
+<tr><td>5</td><td>Profile information</td><td>Based on credentials you may have on your druid instance (generally in <code>~/.aws/credentials</code>)</td></tr>
+<tr><td>6</td><td>Instance profile information</td><td>Based on the instance profile you may have attached to your druid instance</td></tr>
</tbody>
</table>
-<p>You can find more informations about authentication method <a href="https://docs.aws.amazon.com/fr_fr/sdk-for-java/v1/developer-guide/credentials.html">here</a><br/>
+<p>You can find more information about authentication method <a href="https://docs.aws.amazon.com/fr_fr/sdk-for-java/v1/developer-guide/credentials.html">here</a><br/>
<strong>Note :</strong> <em>Order is important here as it indicates the precedence of authentication methods.<br/>
-So if you are trying to use Instance profile informations, you <strong>must not</strong> set <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code> in your Druid runtime.properties</em></p>
+So if you are trying to use Instance profile information, you <strong>must not</strong> set <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code> in your Druid runtime.properties</em></p>
<h2><a class="anchor" aria-hidden="true" id="server-side-encryption"></a><a href="#server-side-encryption" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
<p>You can enable <a href="https://docs.aws.amazon.com/AmazonS3/latest/dev/serv-side-encryption.html">server-side encryption</a> by setting
<code>druid.storage.sse.type</code> to a supported type of server-side encryption. The current supported types are:</p>
diff --git a/docs/0.16.0-incubating/development/extensions-core/simple-client-sslcontext.html b/docs/0.16.0-incubating/development/extensions-core/simple-client-sslcontext.html
index ee493c4..277be33 100644
--- a/docs/0.16.0-incubating/development/extensions-core/simple-client-sslcontext.html
+++ b/docs/0.16.0-incubating/development/extensions-core/simple-client-sslcontext.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/stats.html b/docs/0.16.0-incubating/development/extensions-core/stats.html
index 0bbd7c2..b31dd0e 100644
--- a/docs/0.16.0-incubating/development/extensions-core/stats.html
+++ b/docs/0.16.0-incubating/development/extensions-core/stats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-core/test-stats.html b/docs/0.16.0-incubating/development/extensions-core/test-stats.html
index 52a31d1..a2ae08b 100644
--- a/docs/0.16.0-incubating/development/extensions-core/test-stats.html
+++ b/docs/0.16.0-incubating/development/extensions-core/test-stats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -78,7 +78,7 @@
~ under the License.
-->
<p>This Apache Druid (incubating) extension incorporates test statistics related aggregators, including z-score and p-value. Please refer to <a href="https://www.paypal-engineering.com/2017/06/29/democratizing-experimentation-data-for-product-innovations/">https://www.paypal-engineering.com/2017/06/29/democratizing-experimentation-data-for-product-innovations/</a> for math background and details.</p>
-<p>Make sure to include <code>druid-stats</code> extension in order to use these aggregrators.</p>
+<p>Make sure to include <code>druid-stats</code> extension in order to use these aggregators.</p>
<h2><a class="anchor" aria-hidden="true" id="z-score-for-two-sample-ztests-post-aggregator"></a><a href="#z-score-for-two-sample-ztests-post-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h- [...]
<p>Please refer to <a href="https://www.isixsigma.com/tools-templates/hypothesis-testing/making-sense-two-proportions-test/">https://www.isixsigma.com/tools-templates/hypothesis-testing/making-sense-two-proportions-test/</a> and <a href="http://www.ucs.louisiana.edu/~jcb0773/Berry_statbook/Berry_statbook_chpt6.pdf">http://www.ucs.louisiana.edu/~jcb0773/Berry_statbook/Berry_statbook_chpt6.pdf</a> for more details.</p>
<p>z = (p1 - p2) / S.E. (assuming null hypothesis is true)</p>
diff --git a/docs/0.16.0-incubating/development/extensions.html b/docs/0.16.0-incubating/development/extensions.html
index 6eea156..ac453ef 100644
--- a/docs/0.16.0-incubating/development/extensions.html
+++ b/docs/0.16.0-incubating/development/extensions.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -133,7 +133,7 @@ If you'd like to take on maintenance for a community extension, please post on <
<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html">link</a></td></tr>
<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html">link</a></td></tr>
<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html">link</a></td></tr>
-<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html">link</a></td></tr>
+<tr><td>sqlserver-metadata-storage</td><td>Microsoft SQLServer deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html">link</a></td></tr>
<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html">link</a></td></tr>
<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/statsd.html">link</a></td></tr>
<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
diff --git a/docs/0.16.0-incubating/development/geo.html b/docs/0.16.0-incubating/development/geo.html
index 75b513a..ecb58ab 100644
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+++ b/docs/0.16.0-incubating/development/geo.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
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gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/indexer.md b/docs/0.16.0-incubating/development/indexer.html
similarity index 100%
rename from docs/latest/development/indexer.md
rename to docs/0.16.0-incubating/development/indexer.html
diff --git a/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html b/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html
index 2ccc501..6013623 100644
--- a/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html
+++ b/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.html
@@ -1,88 +1,8 @@
-<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Integrating Apache Druid with other technologies · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Integrating Apache Druid with other technologies · Apache Druid"/><meta proper [...]
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- function gtag(){dataLayer.push(arguments); }
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- event.preventDefault();
-
- target.classList.toggle(className);
- };
- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/integrating-druid-with-other-technologies.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Integrating Apache Druid with other technologies</h1></header><article><div><span><!--
- ~ Licensed to the Apache Software Foundation (ASF) under one
- ~ or more contributor license agreements. See the NOTICE file
- ~ distributed with this work for additional information
- ~ regarding copyright ownership. The ASF licenses this file
- ~ to you under the Apache License, Version 2.0 (the
- ~ "License"); you may not use this file except in compliance
- ~ with the License. You may obtain a copy of the License at
- ~
- ~ http://www.apache.org/licenses/LICENSE-2.0
- ~
- ~ Unless required by applicable law or agreed to in writing,
- ~ software distributed under the License is distributed on an
- ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- ~ KIND, either express or implied. See the License for the
- ~ specific language governing permissions and limitations
- ~ under the License.
- -->
-<p>This page discusses how we can integrate Druid with other technologies.</p>
-<h2><a class="anchor" aria-hidden="true" id="integrating-with-open-source-streaming-technologies"></a><a href="#integrating-with-open-source-streaming-technologies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 [...]
-<p>Event streams can be stored in a distributed message bus such as Kafka and further processed via a distributed stream
-processor system such as Storm, Samza, or Spark Streaming. Data processed by the stream processor can feed into Druid using
-the <a href="https://github.com/druid-io/tranquility">Tranquility</a> library.</p>
-<p><img src="../assets/druid-production.png" width="800"/></p>
-<h2><a class="anchor" aria-hidden="true" id="integrating-with-sql-on-hadoop-technologies"></a><a href="#integrating-with-sql-on-hadoop-technologies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h [...]
-<p>Druid should theoretically integrate well with SQL-on-Hadoop technologies such as Apache Drill, Spark SQL, Presto, Impala, and Hive.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/peons.html"><span class="arrow-prev">← </span><span>Peons</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html"><span>Approximate Histogram aggregators</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#integrating-with-open-so [...]
\ No newline at end of file
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../ingestion/index.html">
+<meta http-equiv="refresh" content="0; url=../ingestion/index.html">
+<h1>Redirecting...</h1>
+<a href="../ingestion/index.html">Click here if you are not redirected.</a>
+<script>location="../ingestion/index.html"</script>
diff --git a/docs/0.16.0-incubating/development/javascript.html b/docs/0.16.0-incubating/development/javascript.html
index 89cb141..00ce7f7 100644
--- a/docs/0.16.0-incubating/development/javascript.html
+++ b/docs/0.16.0-incubating/development/javascript.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -93,8 +93,8 @@
without needing to write and deploy Druid extensions.</p>
<p>Druid uses the Mozilla Rhino engine at optimization level 9 to compile and execute JavaScript.</p>
<h2><a class="anchor" aria-hidden="true" id="security"></a><a href="#security" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p>Druid does not execute JavaScript functions in a sandbox, so they have full access to the machine. So Javascript
-functions allow users to execute arbitrary code inside druid process. So, by default, Javascript is disabled.
+<p>Druid does not execute JavaScript functions in a sandbox, so they have full access to the machine. So JavaScript
+functions allow users to execute arbitrary code inside druid process. So, by default, JavaScript is disabled.
However, on dev/staging environments or secured production environments you can enable those by setting
the <a href="../configuration/index.html#javascript">configuration property</a>
<code>druid.javascript.enabled = true</code>.</p>
diff --git a/docs/0.16.0-incubating/development/modules.html b/docs/0.16.0-incubating/development/modules.html
index c477228..b4ce086 100644
--- a/docs/0.16.0-incubating/development/modules.html
+++ b/docs/0.16.0-incubating/development/modules.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -182,12 +182,12 @@ T00:00:00.000Z/2015<span class="hljs-string">-04</span><span class="hljs-string"
);
}
</code></pre>
-<p>This is registering the FirehoseFactory with Jackson's polymorphic serde layer. More concretely, having this will mean that if you specify a <code>"firehose": { "type": "static-s3", ... }</code> in your realtime config, then the system will load this FirehoseFactory for your firehose.</p>
+<p>This is registering the FirehoseFactory with Jackson's polymorphic serialization/deserialization layer. More concretely, having this will mean that if you specify a <code>"firehose": { "type": "static-s3", ... }</code> in your realtime config, then the system will load this FirehoseFactory for your firehose.</p>
<p>Note that inside of Druid, we have made the @JacksonInject annotation for Jackson deserialized objects actually use the base Guice injector to resolve the object to be injected. So, if your FirehoseFactory needs access to some object, you can add a @JacksonInject annotation on a setter and it will get set on instantiation.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-aggregators"></a><a href="#adding-aggregators" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>Adding AggregatorFactory objects is very similar to Firehose objects. They operate purely through Jackson and thus should just be additions to the Jackson modules returned by your DruidModule.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-complex-metrics"></a><a href="#adding-complex-metrics" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
-<p>Adding ComplexMetrics is a little ugly in the current version. The method of getting at complex metrics is through registration with the <code>ComplexMetrics.registerSerde()</code> method. There is no special Guice stuff to get this working, just in your <code>configure(Binder)</code> method register the serde.</p>
+<p>Adding ComplexMetrics is a little ugly in the current version. The method of getting at complex metrics is through registration with the <code>ComplexMetrics.registerSerde()</code> method. There is no special Guice stuff to get this working, just in your <code>configure(Binder)</code> method register the serialization/deserialization.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-new-query-types"></a><a href="#adding-new-query-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
<p>Adding a new Query type requires the implementation of three interfaces.</p>
<ol>
diff --git a/docs/0.16.0-incubating/development/overview.html b/docs/0.16.0-incubating/development/overview.html
index 3865c7d..7e13566 100644
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diff --git a/docs/latest/development/router.md b/docs/0.16.0-incubating/development/router.html
similarity index 100%
rename from docs/latest/development/router.md
rename to docs/0.16.0-incubating/development/router.html
diff --git a/docs/0.16.0-incubating/development/versioning.html b/docs/0.16.0-incubating/development/versioning.html
index 83cfbc0..452817d 100644
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diff --git a/docs/latest/ingestion/hadoop-vs-native-batch.md b/docs/0.16.0-incubating/ingestion/batch-ingestion.html
similarity index 100%
rename from docs/latest/ingestion/hadoop-vs-native-batch.md
rename to docs/0.16.0-incubating/ingestion/batch-ingestion.html
diff --git a/docs/latest/ingestion/command-line-hadoop-indexer.md b/docs/0.16.0-incubating/ingestion/command-line-hadoop-indexer.html
similarity index 100%
rename from docs/latest/ingestion/command-line-hadoop-indexer.md
rename to docs/0.16.0-incubating/ingestion/command-line-hadoop-indexer.html
diff --git a/docs/latest/ingestion/compaction.md b/docs/0.16.0-incubating/ingestion/compaction.html
similarity index 100%
rename from docs/latest/ingestion/compaction.md
rename to docs/0.16.0-incubating/ingestion/compaction.html
diff --git a/docs/0.16.0-incubating/ingestion/data-formats.html b/docs/0.16.0-incubating/ingestion/data-formats.html
index a894ff3..066f7f7 100644
--- a/docs/0.16.0-incubating/ingestion/data-formats.html
+++ b/docs/0.16.0-incubating/ingestion/data-formats.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/ingestion/data-management.html b/docs/0.16.0-incubating/ingestion/data-management.html
index 7dba3bf..da35c8b 100644
--- a/docs/0.16.0-incubating/ingestion/data-management.html
+++ b/docs/0.16.0-incubating/ingestion/data-management.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -146,7 +146,7 @@ metric will generally "do the right thing". Aggregations over this mis
<tr><td><code>dimensionsSpec</code></td><td>Custom dimensionsSpec. Compaction task will use this dimensionsSpec if exist instead of generating one. See below for more details.</td><td>No</td></tr>
<tr><td><code>metricsSpec</code></td><td>Custom metricsSpec. Compaction task will use this metricsSpec if specified rather than generating one.</td><td>No</td></tr>
<tr><td><code>segmentGranularity</code></td><td>If this is set, compactionTask will change the segment granularity for the given interval. See <code>segmentGranularity</code> of <a href="/docs/0.16.0-incubating/ingestion/index.html#granularityspec"><code>granularitySpec</code></a> for more details. See the below table for the behavior.</td><td>No</td></tr>
-<tr><td><code>targetCompactionSizeBytes</code></td><td>Target segment size after comapction. Cannot be used with <code>maxRowsPerSegment</code>, <code>maxTotalRows</code>, and <code>numShards</code> in tuningConfig.</td><td>No</td></tr>
+<tr><td><code>targetCompactionSizeBytes</code></td><td>Target segment size after compaction. Cannot be used with <code>maxRowsPerSegment</code>, <code>maxTotalRows</code>, and <code>numShards</code> in tuningConfig.</td><td>No</td></tr>
<tr><td><code>tuningConfig</code></td><td><a href="/docs/0.16.0-incubating/ingestion/native-batch.html#tuningconfig">Index task tuningConfig</a></td><td>No</td></tr>
<tr><td><code>context</code></td><td><a href="/docs/0.16.0-incubating/ingestion/tasks.html#context">Task context</a></td><td>No</td></tr>
</tbody>
diff --git a/docs/latest/ingestion/delete-data.md b/docs/0.16.0-incubating/ingestion/delete-data.html
similarity index 100%
rename from docs/latest/ingestion/delete-data.md
rename to docs/0.16.0-incubating/ingestion/delete-data.html
diff --git a/docs/0.16.0-incubating/ingestion/faq.html b/docs/0.16.0-incubating/ingestion/faq.html
index 5058f4b..e2526fe 100644
--- a/docs/0.16.0-incubating/ingestion/faq.html
+++ b/docs/0.16.0-incubating/ingestion/faq.html
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diff --git a/docs/latest/ingestion/firehose.md b/docs/0.16.0-incubating/ingestion/firehose.html
similarity index 100%
rename from docs/latest/ingestion/firehose.md
rename to docs/0.16.0-incubating/ingestion/firehose.html
diff --git a/docs/latest/ingestion/flatten-json.md b/docs/0.16.0-incubating/ingestion/flatten-json.html
similarity index 100%
rename from docs/latest/ingestion/flatten-json.md
rename to docs/0.16.0-incubating/ingestion/flatten-json.html
diff --git a/docs/latest/ingestion/batch-ingestion.md b/docs/0.16.0-incubating/ingestion/hadoop-vs-native-batch.html
similarity index 100%
rename from docs/latest/ingestion/batch-ingestion.md
rename to docs/0.16.0-incubating/ingestion/hadoop-vs-native-batch.html
diff --git a/docs/0.16.0-incubating/ingestion/hadoop.html b/docs/0.16.0-incubating/ingestion/hadoop.html
index e97da79..85a9bce 100644
--- a/docs/0.16.0-incubating/ingestion/hadoop.html
+++ b/docs/0.16.0-incubating/ingestion/hadoop.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ For a walk-through instead, check out the <a href="/docs/0.16.0-incubating/tutor
<tr><td>type</td><td>The task type, this should always be "index_hadoop".</td><td>yes</td></tr>
<tr><td>spec</td><td>A Hadoop Index Spec. See <a href="/docs/0.16.0-incubating/ingestion/index.html">Ingestion</a></td><td>yes</td></tr>
<tr><td>hadoopDependencyCoordinates</td><td>A JSON array of Hadoop dependency coordinates that Druid will use, this property will override the default Hadoop coordinates. Once specified, Druid will look for those Hadoop dependencies from the location specified by <code>druid.extensions.hadoopDependenciesDir</code></td><td>no</td></tr>
-<tr><td>classpathPrefix</td><td>Classpath that will be pre-appended for the Peon process.</td><td>no</td></tr>
+<tr><td>classpathPrefix</td><td>Classpath that will be prepended for the Peon process.</td><td>no</td></tr>
</tbody>
</table>
<p>Also note that Druid automatically computes the classpath for Hadoop job containers that run in the Hadoop cluster. But in case of conflicts between Hadoop and Druid's dependencies, you can manually specify the classpath by setting <code>druid.extensions.hadoopContainerDruidClasspath</code> property. See the extensions config in <a href="../configuration/index.html#extensions">base druid configuration</a>.</p>
@@ -235,7 +235,7 @@ s3n:<span class="hljs-regexp">//</span>billy-bucket<span class="hljs-regexp">/th
<tbody>
<tr><td>dataSource</td><td>String</td><td>Druid dataSource name from which you are loading the data.</td><td>yes</td></tr>
<tr><td>intervals</td><td>List</td><td>A list of strings representing ISO-8601 Intervals.</td><td>yes</td></tr>
-<tr><td>segments</td><td>List</td><td>List of segments from which to read data from, by default it is obtained automatically. You can obtain list of segments to put here by making a POST query to Coordinator at url /druid/coordinator/v1/metadata/datasources/segments?full with list of intervals specified in the request paylod e.g. ["2012-01-01T00:00:00.000/2012-01-03T00:00:00.000", "2012-01-05T00:00:00.000/2012-01-07T00:00:00.000"]. You may want to provide this list ma [...]
+<tr><td>segments</td><td>List</td><td>List of segments from which to read data from, by default it is obtained automatically. You can obtain list of segments to put here by making a POST query to Coordinator at url /druid/coordinator/v1/metadata/datasources/segments?full with list of intervals specified in the request payload, e.g. ["2012-01-01T00:00:00.000/2012-01-03T00:00:00.000", "2012-01-05T00:00:00.000/2012-01-07T00:00:00.000"]. You may want to provide this list [...]
<tr><td>filter</td><td>JSON</td><td>See <a href="/docs/0.16.0-incubating/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>dimensions</td><td>Array of String</td><td>Name of dimension columns to load. By default, the list will be constructed from parseSpec. If parseSpec does not have an explicit list of dimensions then all the dimension columns present in stored data will be read.</td><td>no</td></tr>
<tr><td>metrics</td><td>Array of String</td><td>Name of metric columns to load. By default, the list will be constructed from the "name" of all the configured aggregators.</td><td>no</td></tr>
@@ -422,7 +422,7 @@ should be in advanced mode under "Edit software settings":</li>
on your EMR master.</li>
</ul>
<h2><a class="anchor" aria-hidden="true" id="kerberized-hadoop-clusters"></a><a href="#kerberized-hadoop-clusters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>By default druid can use the exisiting TGT kerberos ticket available in local kerberos key cache.
+<p>By default druid can use the existing TGT kerberos ticket available in local kerberos key cache.
Although TGT ticket has a limited life cycle,
therefore you need to call <code>kinit</code> command periodically to ensure validity of TGT ticket.
To avoid this extra external cron job script calling <code>kinit</code> periodically,
diff --git a/docs/0.16.0-incubating/ingestion/index.html b/docs/0.16.0-incubating/ingestion/index.html
index 8ad7b62..13b976a 100644
--- a/docs/0.16.0-incubating/ingestion/index.html
+++ b/docs/0.16.0-incubating/ingestion/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -477,7 +477,7 @@ your ingestion spec.</p>
</thead>
<tbody>
<tr><td>column</td><td>Input row field to read the primary timestamp from.<br><br>Regardless of the name of this input field, the primary timestamp will always be stored as a column named <code>__time</code> in your Druid datasource.</td><td>timestamp</td></tr>
-<tr><td>format</td><td>Timestamp format. Options are: <ul><li><code>iso</code>: ISO8601 with 'T' separator, like "2000-01-01T01:02:03.456"</li><li><code>posix</code>: seconds since epoch</li><li><code>millis</code>: milliseconds since epoch</li><li><code>micro</code>: microseconds since epoch</li><li><code>nano</code>: nanoseconds since epoch</li><li><code>auto</code>: automatically detects iso (either 'T' or space separator) or millis format</li><li>any <a href="http://joda-ti [...]
+<tr><td>format</td><td>Timestamp format. Options are: <ul><li><code>iso</code>: ISO8601 with 'T' separator, like "2000-01-01T01:02:03.456"</li><li><code>posix</code>: seconds since epoch</li><li><code>millis</code>: milliseconds since epoch</li><li><code>micro</code>: microseconds since epoch</li><li><code>nano</code>: nanoseconds since epoch</li><li><code>auto</code>: automatically detects ISO (either 'T' or space separator) or millis format</li><li>any <a href="http://joda-ti [...]
<tr><td>missingValue</td><td>Timestamp to use for input records that have a null or missing timestamp <code>column</code>. Should be in ISO8601 format, like <code>"2000-01-01T01:02:03.456"</code>, even if you have specified something else for <code>format</code>. Since Druid requires a primary timestamp, this setting can be useful for ingesting datasets that do not have any per-record timestamps at all.</td><td>none</td></tr>
</tbody>
</table>
diff --git a/docs/latest/ingestion/ingestion-spec.md b/docs/0.16.0-incubating/ingestion/ingestion-spec.html
similarity index 100%
rename from docs/latest/ingestion/ingestion-spec.md
rename to docs/0.16.0-incubating/ingestion/ingestion-spec.html
diff --git a/docs/latest/ingestion/locking-and-priority.md b/docs/0.16.0-incubating/ingestion/locking-and-priority.html
similarity index 100%
rename from docs/latest/ingestion/locking-and-priority.md
rename to docs/0.16.0-incubating/ingestion/locking-and-priority.html
diff --git a/docs/latest/ingestion/misc-tasks.md b/docs/0.16.0-incubating/ingestion/misc-tasks.html
similarity index 100%
rename from docs/latest/ingestion/misc-tasks.md
rename to docs/0.16.0-incubating/ingestion/misc-tasks.html
diff --git a/docs/0.16.0-incubating/ingestion/native-batch.html b/docs/0.16.0-incubating/ingestion/native-batch.html
index 5b9f870..365d631 100644
--- a/docs/0.16.0-incubating/ingestion/native-batch.html
+++ b/docs/0.16.0-incubating/ingestion/native-batch.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -103,10 +103,10 @@ In the first phase, each sub task partitions input data based on <code>segmentGr
and <code>partitionDimensions</code> (secondary partition key) in <code>partitionsSpec</code>. The partitioned data is served by
the <a href="/docs/0.16.0-incubating/design/middlemanager.html">middleManager</a> or the <a href="/docs/0.16.0-incubating/design/indexer.html">indexer</a>
where the first phase tasks ran. In the second phase, each sub task fetches
-partitioned data from middleManagers or indexers and merges them to create the final segments.
+partitioned data from MiddleManagers or indexers and merges them to create the final segments.
As in the single phase execution, the created segments are reported to the supervisor task to publish at once.</p>
<p>To use this task, the <code>firehose</code> in <code>ioConfig</code> should be <em>splittable</em> and <code>maxNumConcurrentSubTasks</code> should be set something larger than 1 in <code>tuningConfig</code>.
-Otherwise, this task runs sequentially. Here is the list of currently splittable fireshoses.</p>
+Otherwise, this task runs sequentially. Here is the list of currently splittable firehoses.</p>
<ul>
<li><a href="#local-firehose"><code>LocalFirehose</code></a></li>
<li><a href="#segment-firehose"><code>IngestSegmentFirehose</code></a></li>
@@ -219,7 +219,7 @@ left alone.</li>
<p>See <a href="/docs/0.16.0-incubating/ingestion/index.html#dataschema">Ingestion Spec DataSchema</a></p>
<p>If you specify <code>intervals</code> explicitly in your dataSchema's granularitySpec, batch ingestion will lock the full intervals
specified when it starts up, and you will learn quickly if the specified interval overlaps with locks held by other
-tasks (eg, Kafka ingestion). Otherwise, batch ingestion will lock each interval as it is discovered, so you may only
+tasks (e.g., Kafka ingestion). Otherwise, batch ingestion will lock each interval as it is discovered, so you may only
learn that the task overlaps with a higher-priority task later in ingestion. If you specify <code>intervals</code> explicitly, any
rows outside the specified intervals will be thrown away. We recommend setting <code>intervals</code> explicitly if you know the
time range of the data so that locking failure happens faster, and so that you don't accidentally replace data outside
@@ -260,7 +260,7 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>maxRetry</td><td>Maximum number of retries on task failures.</td><td>3</td><td>no</td></tr>
<tr><td>maxNumSegmentsToMerge</td><td>Max limit for the number of segments that a single task can merge at the same time in the second phase. Used only <code>forceGuaranteedRollup</code> is set.</td><td>100</td><td>no</td></tr>
<tr><td>totalNumMergeTasks</td><td>Total number of tasks to merge segments in the second phase when <code>forceGuaranteedRollup</code> is set.</td><td>10</td><td>no</td></tr>
-<tr><td>taskStatusCheckPeriodMs</td><td>Polling period in milleseconds to check running task statuses.</td><td>1000</td><td>no</td></tr>
+<tr><td>taskStatusCheckPeriodMs</td><td>Polling period in milliseconds to check running task statuses.</td><td>1000</td><td>no</td></tr>
<tr><td>chatHandlerTimeout</td><td>Timeout for reporting the pushed segments in worker tasks.</td><td>PT10S</td><td>no</td></tr>
<tr><td>chatHandlerNumRetries</td><td>Retries for reporting the pushed segments in worker tasks.</td><td>5</td><td>no</td></tr>
</tbody>
diff --git a/docs/0.16.0-incubating/ingestion/native_tasks.md b/docs/0.16.0-incubating/ingestion/native_tasks.md
deleted file mode 100644
index 0fc7a4d..0000000
--- a/docs/0.16.0-incubating/ingestion/native_tasks.md
+++ /dev/null
@@ -1,8 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>Redirecting...</title>
-<link rel="canonical" href="native-batch.html">
-<meta http-equiv="refresh" content="0; url=native-batch.html">
-<h1>Redirecting...</h1>
-<a href="native-batch.html">Click here if you are not redirected.</a>
-<script>location="native-batch.html"</script>
diff --git a/docs/latest/ingestion/reports.md b/docs/0.16.0-incubating/ingestion/reports.html
similarity index 100%
rename from docs/latest/ingestion/reports.md
rename to docs/0.16.0-incubating/ingestion/reports.html
diff --git a/docs/latest/ingestion/schema-changes.md b/docs/0.16.0-incubating/ingestion/schema-changes.html
similarity index 100%
rename from docs/latest/ingestion/schema-changes.md
rename to docs/0.16.0-incubating/ingestion/schema-changes.html
diff --git a/docs/0.16.0-incubating/ingestion/schema-design.html b/docs/0.16.0-incubating/ingestion/schema-design.html
index f9b4788..cf44369 100644
--- a/docs/0.16.0-incubating/ingestion/schema-design.html
+++ b/docs/0.16.0-incubating/ingestion/schema-design.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/ingestion/standalone-realtime.html b/docs/0.16.0-incubating/ingestion/standalone-realtime.html
index 4be4703..6b305dd 100644
--- a/docs/0.16.0-incubating/ingestion/standalone-realtime.html
+++ b/docs/0.16.0-incubating/ingestion/standalone-realtime.html
@@ -3,7 +3,7 @@
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diff --git a/docs/latest/ingestion/stream-ingestion.md b/docs/0.16.0-incubating/ingestion/stream-ingestion.html
similarity index 100%
rename from docs/latest/ingestion/stream-ingestion.md
rename to docs/0.16.0-incubating/ingestion/stream-ingestion.html
diff --git a/docs/latest/configuration/realtime.md b/docs/0.16.0-incubating/ingestion/stream-pull.html
similarity index 100%
rename from docs/latest/configuration/realtime.md
rename to docs/0.16.0-incubating/ingestion/stream-pull.html
diff --git a/docs/latest/ingestion/stream-push.md b/docs/0.16.0-incubating/ingestion/stream-push.html
similarity index 100%
rename from docs/latest/ingestion/stream-push.md
rename to docs/0.16.0-incubating/ingestion/stream-push.html
diff --git a/docs/0.16.0-incubating/ingestion/tasks.html b/docs/0.16.0-incubating/ingestion/tasks.html
index 37804a2..1adba10 100644
--- a/docs/0.16.0-incubating/ingestion/tasks.html
+++ b/docs/0.16.0-incubating/ingestion/tasks.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -196,7 +196,7 @@ and Kinesis indexing services.</p>
<p><a name="locks"></a></p>
<h2><a class="anchor" aria-hidden="true" id="task-lock-system"></a><a href="#task-lock-system" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>This section explains the task locking system in Druid. Druid's locking system
-and versioning system are tighly coupled with each other to guarantee the correctness of ingested data.</p>
+and versioning system are tightly coupled with each other to guarantee the correctness of ingested data.</p>
<h2><a class="anchor" aria-hidden="true" id="overshadowing-between-segments"></a><a href="#overshadowing-between-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
<p>You can run a task to overwrite existing data. The segments created by an overwriting task <em>overshadows</em> existing segments.
Note that the overshadow relation holds only for the same time chunk and the same data source.
@@ -255,7 +255,7 @@ If a task of a higher priority asks a lock later than another of a lower priorit
then this task will <em>preempt</em> the other task of a lower priority. The lock
of the lower-prioritized task will be revoked and the higher-prioritized task will acquire a new lock.</p>
<p>This lock preemption can happen at any time while a task is running except
-when it is <em>publishing segments</em> in a critical section. Its locks become preemptable again once publishing segments is finished.</p>
+when it is <em>publishing segments</em> in a critical section. Its locks become preemptible again once publishing segments is finished.</p>
<p>Note that locks are shared by the tasks of the same groupId.
For example, Kafka indexing tasks of the same supervisor have the same groupId and share all locks with each other.</p>
<p><a name="priority"></a></p>
diff --git a/docs/0.16.0-incubating/ingestion/tranquility.html b/docs/0.16.0-incubating/ingestion/tranquility.html
index 37ef91f..e1d919b 100644
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diff --git a/docs/latest/ingestion/transform-spec.md b/docs/0.16.0-incubating/ingestion/transform-spec.html
similarity index 100%
rename from docs/latest/ingestion/transform-spec.md
rename to docs/0.16.0-incubating/ingestion/transform-spec.html
diff --git a/docs/latest/ingestion/update-existing-data.md b/docs/0.16.0-incubating/ingestion/update-existing-data.html
similarity index 100%
rename from docs/latest/ingestion/update-existing-data.md
rename to docs/0.16.0-incubating/ingestion/update-existing-data.html
diff --git a/docs/0.16.0-incubating/misc/math-expr.html b/docs/0.16.0-incubating/misc/math-expr.html
index 1469f76..1e944d8 100644
--- a/docs/0.16.0-incubating/misc/math-expr.html
+++ b/docs/0.16.0-incubating/misc/math-expr.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -164,7 +164,7 @@ allows transforming the stringified dimension back into the true native array ty
<tr><th>name</th><th>description</th></tr>
</thead>
<tbody>
-<tr><td>timestamp</td><td>timestamp(expr[,format-string]) parses string expr into date then returns milli-seconds from java epoch. without 'format-string' it's regarded as ISO datetime format</td></tr>
+<tr><td>timestamp</td><td>timestamp(expr[,format-string]) parses string expr into date then returns milliseconds from java epoch. without 'format-string' it's regarded as ISO datetime format</td></tr>
<tr><td>unix_timestamp</td><td>same with 'timestamp' function but returns seconds instead</td></tr>
<tr><td>timestamp_ceil</td><td>timestamp_ceil(expr, period, [origin, [timezone]]) rounds up a timestamp, returning it as a new timestamp. Period can be any ISO8601 period, like P3M (quarters) or PT12H (half-days). The time zone, if provided, should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td></tr>
<tr><td>timestamp_floor</td><td>timestamp_floor(expr, period, [origin, [timezone]]) rounds down a timestamp, returning it as a new timestamp. Period can be any ISO8601 period, like P3M (quarters) or PT12H (half-days). The time zone, if provided, should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td></tr>
@@ -251,10 +251,10 @@ allows transforming the stringified dimension back into the true native array ty
</thead>
<tbody>
<tr><td>map(lambda,arr)</td><td>applies a transform specified by a single argument lambda expression to all elements of arr, returning a new array</td></tr>
-<tr><td>cartesian_map(lambda,arr1,arr2,...)</td><td>applies a transform specified by a multi argument lambda expression to all elements of the cartesian product of all input arrays, returning a new array; the number of lambda arguments and array inputs must be the same</td></tr>
+<tr><td>cartesian_map(lambda,arr1,arr2,...)</td><td>applies a transform specified by a multi argument lambda expression to all elements of the Cartesian product of all input arrays, returning a new array; the number of lambda arguments and array inputs must be the same</td></tr>
<tr><td>filter(lambda,arr)</td><td>filters arr by a single argument lambda, returning a new array with all matching elements, or null if no elements match</td></tr>
<tr><td>fold(lambda,arr)</td><td>folds a 2 argument lambda across arr. The first argument of the lambda is the array element and the second the accumulator, returning a single accumulated value.</td></tr>
-<tr><td>cartesian_fold(lambda,arr1,arr2,...)</td><td>folds a multi argument lambda across the cartesian product of all input arrays. The first arguments of the lambda is the array element and the last is the accumulator, returning a single accumulated value.</td></tr>
+<tr><td>cartesian_fold(lambda,arr1,arr2,...)</td><td>folds a multi argument lambda across the Cartesian product of all input arrays. The first arguments of the lambda is the array element and the last is the accumulator, returning a single accumulated value.</td></tr>
<tr><td>any(lambda,arr)</td><td>returns 1 if any element in the array matches the lambda expression, else 0</td></tr>
<tr><td>all(lambda,arr)</td><td>returns 1 if all elements in the array matches the lambda expression, else 0</td></tr>
</tbody>
diff --git a/docs/0.16.0-incubating/misc/papers-and-talks.html b/docs/0.16.0-incubating/misc/papers-and-talks.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/alerts.html b/docs/0.16.0-incubating/operations/alerts.html
index 074fa00..0c5cd04 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/api-reference.html b/docs/0.16.0-incubating/operations/api-reference.html
index 304bae5..5f02359 100644
--- a/docs/0.16.0-incubating/operations/api-reference.html
+++ b/docs/0.16.0-incubating/operations/api-reference.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -381,7 +381,7 @@ result of this API call.</p>
<li><code>/druid/coordinator/v1/config/compaction/taskslots?ratio={someRatio}&max={someMaxSlots}</code></li>
</ul>
<p>Update the capacity for compaction tasks. <code>ratio</code> and <code>max</code> are used to limit the max number of compaction tasks.
-They mean the ratio of the total task slots to the copmaction task slots and the maximum number of task slots for compaction tasks, respectively.
+They mean the ratio of the total task slots to the compaction task slots and the maximum number of task slots for compaction tasks, respectively.
The actual max number of compaction tasks is <code>min(max, ratio * total task slots)</code>.
Note that <code>ratio</code> and <code>max</code> are optional and can be omitted. If they are omitted, default values (0.1 and unbounded)
will be set for them.</p>
diff --git a/docs/0.16.0-incubating/operations/basic-cluster-tuning.html b/docs/0.16.0-incubating/operations/basic-cluster-tuning.html
index 954b9b5..571332b 100644
--- a/docs/0.16.0-incubating/operations/basic-cluster-tuning.html
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diff --git a/docs/0.16.0-incubating/operations/deep-storage-migration.html b/docs/0.16.0-incubating/operations/deep-storage-migration.html
index e046582..09d46e8 100644
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diff --git a/docs/0.16.0-incubating/operations/druid-console.html b/docs/0.16.0-incubating/operations/druid-console.html
index abccbbc..f3735cc 100644
--- a/docs/0.16.0-incubating/operations/druid-console.html
+++ b/docs/0.16.0-incubating/operations/druid-console.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -83,7 +83,7 @@
<li>the Router's <a href="../design/router.html#enabling-the-management-proxy">management proxy</a> must be enabled.</li>
<li>the Broker processes in the cluster must have <a href="/docs/0.16.0-incubating/querying/sql.html">Druid SQL</a> enabled.</li>
</ul>
-<p>After enabling Druid SQL on the Brokers and deploying a Router with the managment proxy enabled, the Druid console can be accessed at:</p>
+<p>After enabling Druid SQL on the Brokers and deploying a Router with the management proxy enabled, the Druid console can be accessed at:</p>
<pre><code class="hljs">http://<span class="hljs-tag"><<span class="hljs-name">ROUTER_IP</span>></span>:<span class="hljs-tag"><<span class="hljs-name">ROUTER_PORT</span>></span>
</code></pre>
<p>Below is a description of the high-level features and functionality of the Druid Console</p>
diff --git a/docs/0.16.0-incubating/operations/dump-segment.html b/docs/0.16.0-incubating/operations/dump-segment.html
index a672295..60fee3b 100644
--- a/docs/0.16.0-incubating/operations/dump-segment.html
+++ b/docs/0.16.0-incubating/operations/dump-segment.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/export-metadata.html b/docs/0.16.0-incubating/operations/export-metadata.html
index 02af81f..138e21c 100644
--- a/docs/0.16.0-incubating/operations/export-metadata.html
+++ b/docs/0.16.0-incubating/operations/export-metadata.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
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- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ java -classpath <span class="hljs-string">"lib/*"</span> -Dlog4j.configurationFi
</code></pre>
<p>In the example command above:</p>
<ul>
-<li><code>lib</code> is the the Druid lib directory</li>
+<li><code>lib</code> is the Druid lib directory</li>
<li><code>extensions</code> is the Druid extensions directory</li>
<li><code>/tmp/csv</code> is the output directory. Please make sure that this directory exists.</li>
</ul>
diff --git a/docs/0.16.0-incubating/operations/getting-started.html b/docs/0.16.0-incubating/operations/getting-started.html
index 774550d..a2b3d88 100644
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diff --git a/docs/0.16.0-incubating/operations/high-availability.html b/docs/0.16.0-incubating/operations/high-availability.html
index e67df4a..95c9155 100644
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diff --git a/docs/0.16.0-incubating/operations/http-compression.html b/docs/0.16.0-incubating/operations/http-compression.html
index 842189c..4a21c57 100644
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diff --git a/docs/latest/operations/including-extensions.md b/docs/0.16.0-incubating/operations/including-extensions.html
similarity index 100%
rename from docs/latest/operations/including-extensions.md
rename to docs/0.16.0-incubating/operations/including-extensions.html
diff --git a/docs/0.16.0-incubating/operations/insert-segment-to-db.html b/docs/0.16.0-incubating/operations/insert-segment-to-db.html
index 2eaf122..994e308 100644
--- a/docs/0.16.0-incubating/operations/insert-segment-to-db.html
+++ b/docs/0.16.0-incubating/operations/insert-segment-to-db.html
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/management-uis.html b/docs/0.16.0-incubating/operations/management-uis.html
index 756a15c..c6ad83c 100644
--- a/docs/0.16.0-incubating/operations/management-uis.html
+++ b/docs/0.16.0-incubating/operations/management-uis.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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@@ -85,7 +85,7 @@
<li>the Router's <a href="../design/router.html#enabling-the-management-proxy">management proxy</a> must be enabled.</li>
<li>the Broker processes in the cluster must have <a href="/docs/0.16.0-incubating/querying/sql.html">Druid SQL</a> enabled.</li>
</ul>
-<p>After enabling Druid SQL on the Brokers and deploying a Router with the managment proxy enabled, the Druid console can be accessed at:</p>
+<p>After enabling Druid SQL on the Brokers and deploying a Router with the management proxy enabled, the Druid console can be accessed at:</p>
<pre><code class="hljs">http://<span class="hljs-tag"><<span class="hljs-name">ROUTER_IP</span>></span>:<span class="hljs-tag"><<span class="hljs-name">ROUTER_PORT</span>></span>
</code></pre>
<p>The Druid Console contains all of the functionality provided by the older consoles described below, which are still available if needed. The legacy consoles may be replaced by the Druid Console in the future.</p>
diff --git a/docs/0.16.0-incubating/operations/metadata-migration.html b/docs/0.16.0-incubating/operations/metadata-migration.html
index 83743db..1522542 100644
--- a/docs/0.16.0-incubating/operations/metadata-migration.html
+++ b/docs/0.16.0-incubating/operations/metadata-migration.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -99,7 +99,7 @@ for <a href="/docs/0.16.0-incubating/operations/deep-storage-migration.html">dee
<p>Druid provides a <code>metadata-init</code> tool for creating Druid's metadata tables. After initializing the Druid database, you can run the commands shown below from the root of the Druid package to initialize the tables.</p>
<p>In the example commands below:</p>
<ul>
-<li><code>lib</code> is the the Druid lib directory</li>
+<li><code>lib</code> is the Druid lib directory</li>
<li><code>extensions</code> is the Druid extensions directory</li>
<li><code>base</code> corresponds to the value of <code>druid.metadata.storage.tables.base</code> in the configuration, <code>druid</code> by default.</li>
<li>The <code>--connectURI</code> parameter corresponds to the value of <code>druid.metadata.storage.connector.connectURI</code>.</li>
diff --git a/docs/0.16.0-incubating/operations/metrics.html b/docs/0.16.0-incubating/operations/metrics.html
index e31ed89..badd025 100644
--- a/docs/0.16.0-incubating/operations/metrics.html
+++ b/docs/0.16.0-incubating/operations/metrics.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -347,8 +347,8 @@
<tr><td><code>sys/swap/pageOut</code></td><td>Paged out swap.</td><td></td><td>Varies.</td></tr>
<tr><td><code>sys/disk/write/count</code></td><td>Writes to disk.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
<tr><td><code>sys/disk/read/count</code></td><td>Reads from disk.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
-<tr><td><code>sys/disk/write/size</code></td><td>Bytes written to disk. Can we used to determine how much paging is occuring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
-<tr><td><code>sys/disk/read/size</code></td><td>Bytes read from disk. Can we used to determine how much paging is occuring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
+<tr><td><code>sys/disk/write/size</code></td><td>Bytes written to disk. Can we used to determine how much paging is occurring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
+<tr><td><code>sys/disk/read/size</code></td><td>Bytes read from disk. Can we used to determine how much paging is occurring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
<tr><td><code>sys/net/write/size</code></td><td>Bytes written to the network.</td><td>netName, netAddress, netHwaddr</td><td>Varies.</td></tr>
<tr><td><code>sys/net/read/size</code></td><td>Bytes read from the network.</td><td>netName, netAddress, netHwaddr</td><td>Varies.</td></tr>
<tr><td><code>sys/fs/used</code></td><td>Filesystem bytes used.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>< max</td></tr>
diff --git a/docs/0.16.0-incubating/operations/other-hadoop.html b/docs/0.16.0-incubating/operations/other-hadoop.html
index fa6e646..7f898c5 100644
--- a/docs/0.16.0-incubating/operations/other-hadoop.html
+++ b/docs/0.16.0-incubating/operations/other-hadoop.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -204,7 +204,7 @@ work with the classloader isolation option (<code>mapreduce.job.classloader = tr
<p>(9) Make sure the jars you've uploaded has been completely removed. The HDFS directory is by default '/tmp/druid-indexing/classpath'.</p>
<p>(10) Include the fat jar in the classpath when you start the indexing service. Make sure you've removed 'lib/*' from your classpath because now the fat jar includes all you need.</p>
<p><strong>Alternate workaround - 3</strong></p>
-<p>If sbt is not your choice, you can also use <code>maven-shade-plugin</code> to make a fat jar: relocation all jackson packages will resolve it too. In this way, druid will not be affected by jackson library embedded in hadoop. Please follow the steps below:</p>
+<p>If sbt is not your choice, you can also use <code>maven-shade-plugin</code> to make a fat jar: relocation all Jackson packages will resolve it too. In this way, druid will not be affected by Jackson library embedded in hadoop. Please follow the steps below:</p>
<p>(1) Add all extensions you needed to <code>services/pom.xml</code> like</p>
<pre><code class="hljs css language-xml"><span class="hljs-tag"><<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.apache.druid.extensions<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
@@ -230,7 +230,7 @@ work with the classloader isolation option (<code>mapreduce.job.classloader = tr
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>${project.parent.version}<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependency</span>></span>
</code></pre>
-<p>(2) Shade jackson packages and assemble a fat jar.</p>
+<p>(2) Shade Jackson packages and assemble a fat jar.</p>
<pre><code class="hljs css language-xml"><span class="hljs-tag"><<span class="hljs-name">plugin</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.apache.maven.plugins<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>maven-shade-plugin<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
diff --git a/docs/0.16.0-incubating/operations/password-provider.html b/docs/0.16.0-incubating/operations/password-provider.html
index fb39938..cc97e56 100644
--- a/docs/0.16.0-incubating/operations/password-provider.html
+++ b/docs/0.16.0-incubating/operations/password-provider.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/operations/pull-deps.html b/docs/0.16.0-incubating/operations/pull-deps.html
index 691c608..bf08df6 100644
--- a/docs/0.16.0-incubating/operations/pull-deps.html
+++ b/docs/0.16.0-incubating/operations/pull-deps.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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@@ -86,9 +86,9 @@
<p><code>--no-default-hadoop</code></p>
<p>Don't pull down the default hadoop coordinate, i.e., org.apache.hadoop:hadoop-client:2.3.0. If <code>-h</code> option is supplied, then default hadoop coordinate will not be downloaded.</p>
<p><code>--clean</code></p>
-<p>Remove exisiting extension and hadoop dependencies directories before pulling down dependencies.</p>
+<p>Remove existing extension and hadoop dependencies directories before pulling down dependencies.</p>
<p><code>-l</code> or <code>--localRepository</code></p>
-<p>A local repostiry that Maven will use to put downloaded files. Then pull-deps will lay these files out into the extensions directory as needed.</p>
+<p>A local repository that Maven will use to put downloaded files. Then pull-deps will lay these files out into the extensions directory as needed.</p>
<p><code>-r</code> or <code>--remoteRepository</code></p>
<p>Add a remote repository. Unless --no-default-remote-repositories is provided, these will be used after <a href="https://repo1.maven.org/maven2/">https://repo1.maven.org/maven2/</a> and <a href="https://metamx.artifactoryonline.com/metamx/pub-libs-releases-local">https://metamx.artifactoryonline.com/metamx/pub-libs-releases-local</a></p>
<p><code>--no-default-remote-repositories</code></p>
diff --git a/docs/0.16.0-incubating/operations/recommendations.html b/docs/0.16.0-incubating/operations/recommendations.html
index a3343c0..5a04ff4 100644
--- a/docs/0.16.0-incubating/operations/recommendations.html
+++ b/docs/0.16.0-incubating/operations/recommendations.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -102,14 +102,14 @@
-XX:MaxDirectMemorySize=<span class="hljs-number">10240</span>g
</code></pre>
<p><code>ExitOnOutOfMemoryError</code> flag is only supported starting JDK 8u92 . For older versions, <code>-XX:OnOutOfMemoryError='kill -9 %p'</code> can be used.</p>
-<p><code>MaxDirectMemorySize</code> restricts jvm from allocating more than specified limit, by setting it to unlimited jvm restriction is lifted and OS level memory limits would still be effective. It's still important to make sure that Druid is not configured to allocate more off-heap memory than your machine has available. Important settings here include druid.processing.numThreads, druid.processing.numMergeBuffers, and druid.processing.buffer.sizeBytes.</p>
+<p><code>MaxDirectMemorySize</code> restricts JVM from allocating more than specified limit, by setting it to unlimited JVM restriction is lifted and OS level memory limits would still be effective. It's still important to make sure that Druid is not configured to allocate more off-heap memory than your machine has available. Important settings here include druid.processing.numThreads, druid.processing.numMergeBuffers, and druid.processing.buffer.sizeBytes.</p>
<p>Please note that above flags are general guidelines only. Be cautious and feel free to change them if necessary for the specific deployment.</p>
-<p>Additionally, for large jvm heaps, here are a few Garbage Collection efficiency guidelines that have been known to help in some cases.</p>
+<p>Additionally, for large JVM heaps, here are a few Garbage Collection efficiency guidelines that have been known to help in some cases.</p>
<ul>
<li>Mount /tmp on tmpfs ( See <a href="http://www.evanjones.ca/jvm-mmap-pause.html">http://www.evanjones.ca/jvm-mmap-pause.html</a> )</li>
<li>On Disk-IO intensive processes (e.g. Historical and MiddleManager), GC and Druid logs should be written to a different disk than where data is written.</li>
<li>Disable Transparent Huge Pages ( See <a href="https://blogs.oracle.com/linux/performance-issues-with-transparent-huge-pages-thp">https://blogs.oracle.com/linux/performance-issues-with-transparent-huge-pages-thp</a> )</li>
-<li>Try disabling biased locking by using <code>-XX:-UseBiasedLocking</code> jvm flag. ( See <a href="https://dzone.com/articles/logging-stop-world-pauses-jvm">https://dzone.com/articles/logging-stop-world-pauses-jvm</a> )</li>
+<li>Try disabling biased locking by using <code>-XX:-UseBiasedLocking</code> JVM flag. ( See <a href="https://dzone.com/articles/logging-stop-world-pauses-jvm">https://dzone.com/articles/logging-stop-world-pauses-jvm</a> )</li>
</ul>
<h2><a class="anchor" aria-hidden="true" id="use-utc-timezone"></a><a href="#use-utc-timezone" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>We recommend using UTC timezone for all your events and across your hosts, not just for Druid, but for all data infrastructure. This can greatly mitigate potential query problems with inconsistent timezones. To query in a non-UTC timezone see <a href="../querying/granularities.html#period-granularities">query granularities</a></p>
@@ -120,7 +120,7 @@
<h2><a class="anchor" aria-hidden="true" id="use-timeseries-and-topn-queries-instead-of-groupby-where-possible"></a><a href="#use-timeseries-and-topn-queries-instead-of-groupby-where-possible" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 [...]
<p>Timeseries and TopN queries are much more optimized and significantly faster than groupBy queries for their designed use cases. Issuing multiple topN or timeseries queries from your application can potentially be more efficient than a single groupBy query.</p>
<h2><a class="anchor" aria-hidden="true" id="segment-sizes-matter"></a><a href="#segment-sizes-matter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
-<p>Segments should generally be between 300MB-700MB in size. Too many small segments results in inefficient CPU utilizations and
+<p>Segments should generally be between 300MB-700MB in size. Too many small segments results in inefficient CPU utilization and
too many large segments impacts query performance, most notably with TopN queries.</p>
<h2><a class="anchor" aria-hidden="true" id="faqs-and-guides"></a><a href="#faqs-and-guides" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<ol>
diff --git a/docs/0.16.0-incubating/operations/reset-cluster.html b/docs/0.16.0-incubating/operations/reset-cluster.html
index 0760e06..493d228 100644
--- a/docs/0.16.0-incubating/operations/reset-cluster.html
+++ b/docs/0.16.0-incubating/operations/reset-cluster.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/rolling-updates.html b/docs/0.16.0-incubating/operations/rolling-updates.html
index 3448d2c..b906e5a 100644
--- a/docs/0.16.0-incubating/operations/rolling-updates.html
+++ b/docs/0.16.0-incubating/operations/rolling-updates.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/rule-configuration.html b/docs/0.16.0-incubating/operations/rule-configuration.html
index 52fcab5..9fca1e1 100644
--- a/docs/0.16.0-incubating/operations/rule-configuration.html
+++ b/docs/0.16.0-incubating/operations/rule-configuration.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/operations/segment-optimization.html b/docs/0.16.0-incubating/operations/segment-optimization.html
index 7961133..e75c90a 100644
--- a/docs/0.16.0-incubating/operations/segment-optimization.html
+++ b/docs/0.16.0-incubating/operations/segment-optimization.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -92,7 +92,7 @@ slots of the processing pool.</li>
</ol>
<p>It would be best if you can optimize the segment size at ingestion time, but sometimes it's not easy
especially when it comes to stream ingestion because the amount of data ingested might vary over time. In this case,
-you can create segments with a sub-optimzed size first and optimize them later.</p>
+you can create segments with a sub-optimized size first and optimize them later.</p>
<p>You may need to consider the followings to optimize your segments.</p>
<ul>
<li>Number of rows per segment: it's generally recommended for each segment to have around 5 million rows.
diff --git a/docs/0.16.0-incubating/operations/single-server.html b/docs/0.16.0-incubating/operations/single-server.html
index 59e8d5c..5b85d1c 100644
--- a/docs/0.16.0-incubating/operations/single-server.html
+++ b/docs/0.16.0-incubating/operations/single-server.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -92,23 +92,35 @@
<p>The startup scripts for these example configurations run a single ZK instance along with the Druid services. You can choose to deploy ZK separately as well.</p>
<p>The example configurations run the Druid Coordinator and Overlord together in a single process using the optional configuration <code>druid.coordinator.asOverlord.enabled=true</code>, described in the <a href="../configuration/index.html#coordinator-operation">Coordinator configuration documentation</a>.</p>
<p>While example configurations are provided for very large single machines, at higher scales we recommend running Druid in a <a href="/docs/0.16.0-incubating/tutorials/cluster.html">clustered deployment</a>, for fault-tolerance and reduced resource contention.</p>
-<h2><a class="anchor" aria-hidden="true" id="single-server-reference-configurations"></a><a href="#single-server-reference-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
-<h2><a class="anchor" aria-hidden="true" id="nano-quickstart-1-cpu-4gb-ram"></a><a href="#nano-quickstart-1-cpu-4gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>Launch command: <code>bin/start-nano-quickstart</code>
-Configuration directory: <code>conf/druid/single-server/nano-quickstart</code></p>
-<h2><a class="anchor" aria-hidden="true" id="micro-quickstart-4-cpu-16gb-ram"></a><a href="#micro-quickstart-4-cpu-16gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 [...]
-<p>Launch command: <code>bin/start-micro-quickstart</code>
-Configuration directory: <code>conf/druid/single-server/micro-quickstart</code></p>
-<h2><a class="anchor" aria-hidden="true" id="small-8-cpu-64gb-ram-i32xlarge"></a><a href="#small-8-cpu-64gb-ram-i32xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
-<p>Launch command: <code>bin/start-small</code>
-Configuration directory: <code>conf/druid/single-server/small</code></p>
-<h2><a class="anchor" aria-hidden="true" id="medium-16-cpu-128gb-ram-i34xlarge"></a><a href="#medium-16-cpu-128gb-ram-i34xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>Launch command: <code>bin/start-medium</code>
-Configuration directory: <code>conf/druid/single-server/medium</code></p>
-<h2><a class="anchor" aria-hidden="true" id="large-32-cpu-256gb-ram-i38xlarge"></a><a href="#large-32-cpu-256gb-ram-i38xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
-<p>Launch command: <code>bin/start-large</code>
-Configuration directory: <code>conf/druid/single-server/large</code></p>
-<h2><a class="anchor" aria-hidden="true" id="x-large-64-cpu-512gb-ram-i316xlarge"></a><a href="#x-large-64-cpu-512gb-ram-i316xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
-<p>Launch command: <code>bin/start-xlarge</code>
-Configuration directory: <code>conf/druid/single-server/xlarge</code></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/tutorials/index.html"><span class="arrow-prev">← </span><span>Quickstart</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/cluster.html"><span>Clustered deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#single-server-reference-configurations">Single Server Referenc [...]
\ No newline at end of file
+<h2><a class="anchor" aria-hidden="true" id="single-server-reference-configurations"></a><a href="#single-server-reference-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
+<h3><a class="anchor" aria-hidden="true" id="nano-quickstart-1-cpu-4gb-ram"></a><a href="#nano-quickstart-1-cpu-4gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<ul>
+<li>Launch command: <code>bin/start-nano-quickstart</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/nano-quickstart</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="micro-quickstart-4-cpu-16gb-ram"></a><a href="#micro-quickstart-4-cpu-16gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 [...]
+<ul>
+<li>Launch command: <code>bin/start-micro-quickstart</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/micro-quickstart</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="small-8-cpu-64gb-ram-i32xlarge"></a><a href="#small-8-cpu-64gb-ram-i32xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<ul>
+<li>Launch command: <code>bin/start-small</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/small</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="medium-16-cpu-128gb-ram-i34xlarge"></a><a href="#medium-16-cpu-128gb-ram-i34xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<ul>
+<li>Launch command: <code>bin/start-medium</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/medium</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="large-32-cpu-256gb-ram-i38xlarge"></a><a href="#large-32-cpu-256gb-ram-i38xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<ul>
+<li>Launch command: <code>bin/start-large</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/large</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="x-large-64-cpu-512gb-ram-i316xlarge"></a><a href="#x-large-64-cpu-512gb-ram-i316xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
+<ul>
+<li>Launch command: <code>bin/start-xlarge</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/xlarge</code></li>
+</ul>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/tutorials/index.html"><span class="arrow-prev">← </span><span>Quickstart</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/cluster.html"><span>Clustered deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#single-server-reference-configurations">Single server referenc [...]
\ No newline at end of file
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -111,7 +111,7 @@ Then groupBy/topN processing pipeline "explodes" all multi-value dimen
<p>The following filtered dimension spec acts as a whitelist or blacklist for values as per the "isWhitelist" attribute value.</p>
<pre><code class="hljs css language-json">{ "type" : "listFiltered", "delegate" : <dimensionSpec>, "values": <array of strings>, "isWhitelist": <optional attribute for true/false, default is true> }
</code></pre>
-<p>Following filtered dimension spec retains only the values matching regex. Note that <code>listFiltered</code> is faster than this and one should use that for whitelist or blacklist usecase.</p>
+<p>Following filtered dimension spec retains only the values matching regex. Note that <code>listFiltered</code> is faster than this and one should use that for whitelist or blacklist use case.</p>
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"regexFiltered"</span>, <span class="hljs-attr">"delegate"</span> : <dimensionSpec>, <span class="hljs-attr">"pattern"</span>: <java regex pattern> }
</code></pre>
<p>Following filtered dimension spec retains only the values starting with the same prefix.</p>
@@ -267,7 +267,7 @@ the start and end of calendar years) in a more ISO8601 compliant way.</p>
"resultFormat" : <output_format>,
"joda" : <true, false> }
</code></pre>
-<h3><a class="anchor" aria-hidden="true" id="javascript-extraction-function"></a><a href="#javascript-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<h3><a class="anchor" aria-hidden="true" id="javascript-extraction-function"></a><a href="#javascript-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
<p>Returns the dimension value, as transformed by the given JavaScript function.</p>
<p>For regular dimensions, the input value is passed as a string.</p>
<p>For the <code>__time</code> dimension, the input value is passed as a number
@@ -284,7 +284,7 @@ representing the number of milliseconds since January 1, 1970 UTC.</p>
<span class="hljs-attr">"injective"</span> : <span class="hljs-literal">true</span>
}
</code></pre>
-<p>A property of <code>injective</code> specifies if the javascript function preserves uniqueness. The default value is <code>false</code> meaning uniqueness is not preserved</p>
+<p>A property of <code>injective</code> specifies if the JavaScript function preserves uniqueness. The default value is <code>false</code> meaning uniqueness is not preserved</p>
<p>Example for the <code>__time</code> dimension:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <span class="hljs-string">"javascript"</span>,
@@ -392,7 +392,7 @@ configuration.</p>
<h3><a class="anchor" aria-hidden="true" id="cascade-extraction-function"></a><a href="#cascade-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>Provides chained execution of extraction functions.</p>
<p>A property of <code>extractionFns</code> contains an array of any extraction functions, which is executed in the array index order.</p>
-<p>Example for chaining <a href="#regular-expression-extraction-function">regular expression extraction function</a>, <a href="#javascript-extraction-function">javascript extraction function</a>, and <a href="#substring-extraction-function">substring extraction function</a> is as followings.</p>
+<p>Example for chaining <a href="#regular-expression-extraction-function">regular expression extraction function</a>, <a href="#javascript-extraction-function">JavaScript extraction function</a>, and <a href="#substring-extraction-function">substring extraction function</a> is as followings.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <span class="hljs-string">"cascade"</span>,
<span class="hljs-attr">"extractionFns"</span>: [
@@ -414,7 +414,7 @@ configuration.</p>
}
</code></pre>
<p>It will transform dimension values with specified extraction functions in the order named.
-For example, <code>'/druid/prod/historical'</code> is transformed to <code>'the dru'</code> as regular expression extraction function first transforms it to <code>'druid'</code> and then, javascript extraction function transforms it to <code>'the druid'</code>, and lastly, substring extraction function transforms it to <code>'the dru'</code>.</p>
+For example, <code>'/druid/prod/historical'</code> is transformed to <code>'the dru'</code> as regular expression extraction function first transforms it to <code>'druid'</code> and then, JavaScript extraction function transforms it to <code>'the druid'</code>, and lastly, substring extraction function transforms it to <code>'the dru'</code>.</p>
<h3><a class="anchor" aria-hidden="true" id="string-format-extraction-function"></a><a href="#string-format-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
<p>Returns the dimension value formatted according to the given format string.</p>
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"stringFormat"</span>, <span class="hljs-attr">"format"</span> : <sprintf_expression>, <span class="hljs-attr">"nullHandling"</span> : <optional attribute for handling <span class="hljs-literal">null</span> value> }
@@ -446,4 +446,4 @@ Optionally user can specify the language to use in order to perform upper or low
<span class="hljs-attr">"offset"</span> : <span class="hljs-number">2</span>
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/querying/datasource.html"><span class="arrow-prev">← </span><span>Datasources</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/filters.html"><span>Query Filters</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#dimensionspec">DimensionSpec</a><ul class="toc-headings"><li><a h [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/querying/datasource.html"><span class="arrow-prev">← </span><span>Datasources</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/filters.html"><span>Query Filters</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#dimensionspec">DimensionSpec</a><ul class="toc-headings"><li><a h [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/querying/filters.html b/docs/0.16.0-incubating/querying/filters.html
index 3f79262..a0140a4 100644
--- a/docs/0.16.0-incubating/querying/filters.html
+++ b/docs/0.16.0-incubating/querying/filters.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/querying/granularities.html b/docs/0.16.0-incubating/querying/granularities.html
index 907d308..926c815 100644
--- a/docs/0.16.0-incubating/querying/granularities.html
+++ b/docs/0.16.0-incubating/querying/granularities.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/groupbyquery.html b/docs/0.16.0-incubating/querying/groupbyquery.html
index 90b5136..9b63967 100644
--- a/docs/0.16.0-incubating/querying/groupbyquery.html
+++ b/docs/0.16.0-incubating/querying/groupbyquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -333,7 +333,7 @@ concurrent query load.</p>
<h5><a class="anchor" aria-hidden="true" id="limit-pushdown-optimization"></a><a href="#limit-pushdown-optimization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>Druid pushes down the <code>limit</code> spec in groupBy queries to the segments on Historicals wherever possible to early prune unnecessary intermediate results and minimize the amount of data transferred to Brokers. By default, this technique is applied only when all fields in the <code>orderBy</code> spec is a subset of the grouping keys. This is because the <code>limitPushDown</code> doesn't guarantee the exact results if the <code>orderBy</code> spec includes any fields that are [...]
<h5><a class="anchor" aria-hidden="true" id="optimizing-hash-table"></a><a href="#optimizing-hash-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The groupBy v2 engine uses an open addressing hash table for aggregation. The hash table is initalized with a given initial bucket number and gradually grows on buffer full. On hash collisions, the linear probing technique is used.</p>
+<p>The groupBy v2 engine uses an open addressing hash table for aggregation. The hash table is initialized with a given initial bucket number and gradually grows on buffer full. On hash collisions, the linear probing technique is used.</p>
<p>The default number of initial buckets is 1024 and the default max load factor of the hash table is 0.7. If you can see too many collisions in the hash table, you can adjust these numbers. See <code>bufferGrouperInitialBuckets</code> and <code>bufferGrouperMaxLoadFactor</code> in <a href="#groupby-v2-configurations">Advanced groupBy v2 configurations</a>.</p>
<h5><a class="anchor" aria-hidden="true" id="parallel-combine"></a><a href="#parallel-combine" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>Once a Historical finishes aggregation using the hash table, it sorts the aggregated results and merges them before sending to the
diff --git a/docs/0.16.0-incubating/querying/having.html b/docs/0.16.0-incubating/querying/having.html
index 911ec80..da55740 100644
--- a/docs/0.16.0-incubating/querying/having.html
+++ b/docs/0.16.0-incubating/querying/having.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/hll-old.html b/docs/0.16.0-incubating/querying/hll-old.html
index 649b7c4..2b5a7d7 100644
--- a/docs/0.16.0-incubating/querying/hll-old.html
+++ b/docs/0.16.0-incubating/querying/hll-old.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ This is equivalent to something akin to</p>
<span class="hljs-attr">"round"</span> : <span class="hljs-literal">false</span>
}
</code></pre>
-<p>"isInputHyperUnique" can be set to true to index pre-computed HLL (Base64 encoded output from druid-hll is expected).
+<p>"isInputHyperUnique" can be set to true to index precomputed HLL (Base64 encoded output from druid-hll is expected).
The "isInputHyperUnique" field only affects ingestion-time behavior, and is ignored at query-time.</p>
<p>The HyperLogLog algorithm generates decimal estimates with some error. "round" can be set to true to round off estimated
values to whole numbers. Note that even with rounding, the cardinality is still an estimate. The "round" field only
diff --git a/docs/0.16.0-incubating/querying/joins.html b/docs/0.16.0-incubating/querying/joins.html
index a85082d..80cd82e 100644
--- a/docs/0.16.0-incubating/querying/joins.html
+++ b/docs/0.16.0-incubating/querying/joins.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/limitspec.html b/docs/0.16.0-incubating/querying/limitspec.html
index 5cf5fb2..d933608 100644
--- a/docs/0.16.0-incubating/querying/limitspec.html
+++ b/docs/0.16.0-incubating/querying/limitspec.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/lookups.html b/docs/0.16.0-incubating/querying/lookups.html
index 78c7828..98abe1c 100644
--- a/docs/0.16.0-incubating/querying/lookups.html
+++ b/docs/0.16.0-incubating/querying/lookups.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/multi-value-dimensions.html b/docs/0.16.0-incubating/querying/multi-value-dimensions.html
index 197cf31..2f5d7da 100644
--- a/docs/0.16.0-incubating/querying/multi-value-dimensions.html
+++ b/docs/0.16.0-incubating/querying/multi-value-dimensions.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/querying/multitenancy.html b/docs/0.16.0-incubating/querying/multitenancy.html
index 35d3560..741120e 100644
--- a/docs/0.16.0-incubating/querying/multitenancy.html
+++ b/docs/0.16.0-incubating/querying/multitenancy.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/querying/post-aggregations.html b/docs/0.16.0-incubating/querying/post-aggregations.html
index f370d26..848eccb 100644
--- a/docs/0.16.0-incubating/querying/post-aggregations.html
+++ b/docs/0.16.0-incubating/querying/post-aggregations.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
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diff --git a/docs/0.16.0-incubating/querying/query-context.html b/docs/0.16.0-incubating/querying/query-context.html
index 7d41d6b..5fe512e 100644
--- a/docs/0.16.0-incubating/querying/query-context.html
+++ b/docs/0.16.0-incubating/querying/query-context.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
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diff --git a/docs/0.16.0-incubating/querying/querying.html b/docs/0.16.0-incubating/querying/querying.html
index 2691173..2f9d0a5 100644
--- a/docs/0.16.0-incubating/querying/querying.html
+++ b/docs/0.16.0-incubating/querying/querying.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/querying/scan-query.html b/docs/0.16.0-incubating/querying/scan-query.html
index 4616a32..0700369 100644
--- a/docs/0.16.0-incubating/querying/scan-query.html
+++ b/docs/0.16.0-incubating/querying/scan-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/querying/searchquery.html b/docs/0.16.0-incubating/querying/searchquery.html
index b9f540f..0a8b5fd 100644
--- a/docs/0.16.0-incubating/querying/searchquery.html
+++ b/docs/0.16.0-incubating/querying/searchquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/querying/searchqueryspec.html b/docs/0.16.0-incubating/querying/searchqueryspec.html
index 3c9170e..b160da5 100644
--- a/docs/0.16.0-incubating/querying/searchqueryspec.html
+++ b/docs/0.16.0-incubating/querying/searchqueryspec.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/0.16.0-incubating/querying/segmentmetadataquery.html b/docs/0.16.0-incubating/querying/segmentmetadataquery.html
index 4a5afd0..b14b148 100644
--- a/docs/0.16.0-incubating/querying/segmentmetadataquery.html
+++ b/docs/0.16.0-incubating/querying/segmentmetadataquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -136,7 +136,7 @@ Metric columns will have type <code>FLOAT</code> or <code>LONG</code> or name of
Timestamp column will have type <code>LONG</code>.</p>
<p>If the <code>errorMessage</code> field is non-null, you should not trust the other fields in the response. Their contents are
undefined.</p>
-<p>Only columns which are dimensions (ie, have type <code>STRING</code>) will have any cardinality. Rest of the columns (timestamp and metric columns) will show cardinality as <code>null</code>.</p>
+<p>Only columns which are dimensions (i.e., have type <code>STRING</code>) will have any cardinality. Rest of the columns (timestamp and metric columns) will show cardinality as <code>null</code>.</p>
<h3><a class="anchor" aria-hidden="true" id="intervals"></a><a href="#intervals" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
<p>If an interval is not specified, the query will use a default interval that spans a configurable period before the end time of the most recent segment.</p>
<p>The length of this default time period is set in the Broker configuration via:
@@ -205,6 +205,6 @@ two segments use incompatible aggregators for the same column (e.g. longSum chan
with unknown aggregators, or any conflicts of any kind, the merged aggregators list will be <code>null</code>. With lenient
merging, segments with unknown aggregators will be ignored, and conflicts between aggregators will only null out
the aggregator for that particular column.</p>
-<p>In particular, with lenient merging, it is possible for an invidiual column's aggregator to be <code>null</code>. This will not
+<p>In particular, with lenient merging, it is possible for an individual column's aggregator to be <code>null</code>. This will not
occur with strict merging.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/querying/timeboundaryquery.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">TimeBoundary</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/datasourcemetadataquery.html"><span class="function-name-prevnext">DatasourceMetadata</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div>< [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/querying/select-query.html b/docs/0.16.0-incubating/querying/select-query.html
index d06c7b2..4940a7b 100644
--- a/docs/0.16.0-incubating/querying/select-query.html
+++ b/docs/0.16.0-incubating/querying/select-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/querying/sorting-orders.html b/docs/0.16.0-incubating/querying/sorting-orders.html
index 0b3cc99..4572315 100644
--- a/docs/0.16.0-incubating/querying/sorting-orders.html
+++ b/docs/0.16.0-incubating/querying/sorting-orders.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -79,7 +79,7 @@
-->
<p>These sorting orders are used by the <a href="/docs/0.16.0-incubating/querying/topnmetricspec.html">TopNMetricSpec</a>, <a href="/docs/0.16.0-incubating/querying/searchquery.html">SearchQuery</a>, GroupByQuery's <a href="/docs/0.16.0-incubating/querying/limitspec.html">LimitSpec</a>, and <a href="./filters.html#bound-filter">BoundFilter</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="lexicographic"></a><a href="#lexicographic" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>Sorts values by converting Strings to their UTF-8 byte array representations and comparing lexicgraphically, byte-by-byte.</p>
+<p>Sorts values by converting Strings to their UTF-8 byte array representations and comparing lexicographically, byte-by-byte.</p>
<h2><a class="anchor" aria-hidden="true" id="alphanumeric"></a><a href="#alphanumeric" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Suitable for strings with both numeric and non-numeric content, e.g.: "file12 sorts after file2"</p>
<p>See <a href="https://github.com/amjjd/java-alphanum">https://github.com/amjjd/java-alphanum</a> for more details on how this ordering sorts values.</p>
diff --git a/docs/0.16.0-incubating/querying/sql.html b/docs/0.16.0-incubating/querying/sql.html
index a60093c..b01c87f 100644
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+++ b/docs/0.16.0-incubating/querying/sql.html
@@ -3,7 +3,7 @@
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@@ -699,7 +699,7 @@ datasource "foo", use the query:</p>
<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> <span class="hljs-number">1</span>
<span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> <span class="hljs-number">2</span> <span class="hljs-keyword">DESC</span>
</code></pre>
-<p><em>Caveat:</em> Note that a segment can be served by more than one stream ingestion tasks or Historical processes, in that case it would have multiple replicas. These replicas are weakly consistent with each other when served by multiple ingestion tasks, until a segment is eventually served by a Historical, at that point the segment is immutable. Broker prefers to query a segment from Historical over an ingestion task. But if a segment has multiple realtime replicas, for eg. kafka in [...]
+<p><em>Caveat:</em> Note that a segment can be served by more than one stream ingestion tasks or Historical processes, in that case it would have multiple replicas. These replicas are weakly consistent with each other when served by multiple ingestion tasks, until a segment is eventually served by a Historical, at that point the segment is immutable. Broker prefers to query a segment from Historical over an ingestion task. But if a segment has multiple realtime replicas, for e.g.. Kafka [...]
<h4><a class="anchor" aria-hidden="true" id="servers-table"></a><a href="#servers-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
<p>Servers table lists all discovered servers in the cluster.</p>
<table>
@@ -787,7 +787,7 @@ check out the documentation for <a href="../ingestion/tasks.html">ingestion task
<tr><td><code>druid.sql.planner.maxSemiJoinRowsInMemory</code></td><td>Maximum number of rows to keep in memory for executing two-stage semi-join queries like <code>SELECT * FROM Employee WHERE DeptName IN (SELECT DeptName FROM Dept)</code>.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.maxTopNLimit</code></td><td>Maximum threshold for a <a href="/docs/0.16.0-incubating/querying/topnquery.html">TopN query</a>. Higher limits will be planned as <a href="/docs/0.16.0-incubating/querying/groupbyquery.html">GroupBy queries</a> instead.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.metadataRefreshPeriod</code></td><td>Throttle for metadata refreshes.</td><td>PT1M</td></tr>
-<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinalty algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinality algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.useApproximateTopN</code></td><td>Whether to use approximate <a href="../querying/topnquery.html">TopN queries</a> when a SQL query could be expressed as such. If false, exact <a href="../querying/groupbyquery.html">GroupBy queries</a> will be used instead.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries without filter condition on __time column will fail</td><td>false</td></tr>
<tr><td><code>druid.sql.planner.sqlTimeZone</code></td><td>Sets the default time zone for the server, which will affect how time functions and timestamp literals behave. Should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td><td>UTC</td></tr>
diff --git a/docs/0.16.0-incubating/querying/timeboundaryquery.html b/docs/0.16.0-incubating/querying/timeboundaryquery.html
index 1333c92..da1711f 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/querying/timeseriesquery.html b/docs/0.16.0-incubating/querying/timeseriesquery.html
index 6505d26..53f3170 100644
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diff --git a/docs/0.16.0-incubating/querying/topnmetricspec.html b/docs/0.16.0-incubating/querying/topnmetricspec.html
index 6725aca..fc70bef 100644
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diff --git a/docs/0.16.0-incubating/querying/topnquery.html b/docs/0.16.0-incubating/querying/topnquery.html
index cf754ca..02b6f47 100644
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diff --git a/docs/0.16.0-incubating/querying/virtual-columns.html b/docs/0.16.0-incubating/querying/virtual-columns.html
index f66503d..37942d8 100644
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diff --git a/docs/0.16.0-incubating/tutorials/cluster.html b/docs/0.16.0-incubating/tutorials/cluster.html
index 457e36a..731b97c 100644
--- a/docs/0.16.0-incubating/tutorials/cluster.html
+++ b/docs/0.16.0-incubating/tutorials/cluster.html
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@@ -137,7 +137,7 @@ in-memory query cache. These servers benefit greatly from CPU and RAM.</p>
<p>In a clustered deployment, having multiple Data servers is a good idea for fault-tolerance purposes.</p>
<p>When choosing the Data server hardware, you can choose a split factor <code>N</code>, divide the original CPU/RAM of the single-server deployment by <code>N</code>, and deploy <code>N</code> Data servers of reduced size in the new cluster.</p>
<p>Instructions for adjusting the Historical/MiddleManager configs for the split are described in a later section in this guide.</p>
-<h4><a class="anchor" aria-hidden="true" id="query-derver"></a><a href="#query-derver" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h4><a class="anchor" aria-hidden="true" id="query-server-1"></a><a href="#query-server-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>The main considerations for the Query server are available CPUs and RAM for the Broker heap + direct memory, and Router heap.</p>
<p>Sum up the allocated memory sizes for your Broker and Router from the single-server deployment, and choose Query server hardware with enough RAM to cover the Broker/Router, with some extra RAM for other processes on the machine.</p>
<p>For CPU cores, you can choose hardware with approximately 1/4th of the cores of the single-server deployment.</p>
@@ -344,7 +344,7 @@ inbound connections on the following:</p>
<li>8083 (Historical)</li>
<li>8091, 8100–8199 (Druid Middle Manager; you may need higher than port 8199 if you have a very high <code>druid.worker.capacity</code>)</li>
</ul>
-<h3><a class="anchor" aria-hidden="true" id="query-server-1"></a><a href="#query-server-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h3><a class="anchor" aria-hidden="true" id="query-server-2"></a><a href="#query-server-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<ul>
<li>8082 (Broker)</li>
<li>8088 (Router, if used)</li>
@@ -397,7 +397,7 @@ This also allows you take advantage of Druid's built-in MiddleManager autoscalin
tar -xzf tranquility-distribution-0.8.3.tgz
mv tranquility-distribution-0.8.3 tranquility
</code></pre>
-<p>Afterwards, in <code>conf/supervise/cluster/data.conf</code>, uncomment out the <code>tranquility-server</code> line, and restart the Data server proceses.</p>
+<p>Afterwards, in <code>conf/supervise/cluster/data.conf</code>, uncomment out the <code>tranquility-server</code> line, and restart the Data server processes.</p>
<h2><a class="anchor" aria-hidden="true" id="start-query-server"></a><a href="#start-query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>Copy the Druid distribution and your edited configurations to your Query servers.</p>
<p>From the distribution root, run the following command to start the Query server:</p>
@@ -407,4 +407,4 @@ mv tranquility-distribution-0.8.3 tranquility
<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Congratulations, you now have a Druid cluster! The next step is to learn about recommended ways to load data into
Druid based on your use case. Read more about <a href="/docs/0.16.0-incubating/ingestion/index.html">loading data</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/operations/single-server.html"><span class="arrow-prev">← </span><span>Single server deployment</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch.html"><span>Loading files natively</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#select-hardware">Select hardwa [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/operations/single-server.html"><span class="arrow-prev">← </span><span>Single server deployment</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch.html"><span>Loading files natively</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#select-hardware">Select hardwa [...]
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diff --git a/docs/0.16.0-incubating/tutorials/index.html b/docs/0.16.0-incubating/tutorials/index.html
index 7ab1230..e1f5f5c 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -141,11 +141,11 @@ using a different configuration, the <code>bin</code> directory has equivalent s
<p>All persistent state such as the cluster metadata store and segments for the services will be kept in the <code>var</code> directory under the apache-druid-#{DRUIDVERSION} package root. Logs for the services are located at <code>var/sv</code>.</p>
<p>Later on, if you'd like to stop the services, CTRL-C to exit the <code>bin/start-micro-quickstart</code> script, which will terminate the Druid processes.</p>
<p>Once the cluster has started, you can navigate to <a href="http://localhost:8888">http://localhost:8888</a>.
-The <a href="/docs/0.16.0-incubating/design/router.html">Druid router process</a>, which serves the Druid console, resides at this address.</p>
+The <a href="/docs/0.16.0-incubating/design/router.html">Druid router process</a>, which serves the <a href="/docs/0.16.0-incubating/operations/druid-console.html">Druid console</a>, resides at this address.</p>
<p><img src="../assets/tutorial-quickstart-01.png" alt="Druid console" title="Druid console"></p>
<p>It takes a few seconds for all the Druid processes to fully start up. If you open the console immediately after starting the services, you may see some errors that you can safely ignore.</p>
-<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
-<h3><a class="anchor" aria-hidden="true" id="tutorial-dataset"></a><a href="#tutorial-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h3><a class="anchor" aria-hidden="true" id="tutorial-dataset"></a><a href="#tutorial-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>For the following data loading tutorials, we have included a sample data file containing Wikipedia page edit events that occurred on 2015-09-12.</p>
<p>This sample data is located at <code>quickstart/tutorial/wikiticker-2015-09-12-sampled.json.gz</code> from the Druid package root.
The page edit events are stored as JSON objects in a text file.</p>
@@ -210,4 +210,4 @@ All tutorials assume that you are using the <code>micro-quickstart</code> single
<p>Shut down the Kafka broker with CTRL-C before stopping Zookeeper and the Druid services, and then delete the Kafka log directory at <code>/tmp/kafka-logs</code>:</p>
<pre><code class="hljs css language-bash">rm -rf /tmp/kafka-logs
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/index.html"><span class="arrow-prev">← </span><span>Introduction to Apache Druid</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/operations/single-server.html"><span>Single server deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#prerequisites">Prerequisites</a><ul [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/index.html"><span class="arrow-prev">← </span><span>Introduction to Apache Druid</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/operations/single-server.html"><span>Single server deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#prerequisites">Prerequisites</a><ul [...]
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diff --git a/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html b/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html
index daaedf6..45abf9e 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -186,7 +186,7 @@ druid.indexer.logs.directory=/druid/indexing-logs
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="restart-druid-cluster"></a><a href="#restart-druid-cluster" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>Once the Hadoop .xml files have been copied to the Druid cluster and the segment/log storage configuration has been updated to use HDFS, the Druid cluster needs to be restarted for the new configurations to take effect.</p>
-<p>If the cluster is still running, CTRL-C to terminate the <code>bin/start-micro-quickstart</code> script, and re-reun it to bring the Druid services back up.</p>
+<p>If the cluster is still running, CTRL-C to terminate the <code>bin/start-micro-quickstart</code> script, and re-run it to bring the Druid services back up.</p>
<h2><a class="anchor" aria-hidden="true" id="load-batch-data"></a><a href="#load-batch-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>We've included a sample of Wikipedia edits from September 12, 2015 to get you started.</p>
<p>To load this data into Druid, you can submit an <em>ingestion task</em> pointing to the file. We've included
diff --git a/docs/0.16.0-incubating/tutorials/tutorial-batch.html b/docs/0.16.0-incubating/tutorials/tutorial-batch.html
index a9b71d5..5f51b7e 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-batch.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-batch.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -88,53 +88,55 @@ The data loader currently only supports native batch ingestion (support for stre
Streaming ingestion is only available through a written ingestion spec today.</p>
<p>We've included a sample of Wikipedia edits from September 12, 2015 to get you started.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-data-with-the-data-loader"></a><a href="#loading-data-with-the-data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.
-Select <code>Local disk</code>.</p>
+<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.</p>
<p><img src="../assets/tutorial-batch-data-loader-01.png" alt="Data loader init" title="Data loader init"></p>
-<p>Enter the value of <code>quickstart/tutorial/</code> as the base directory and <code>wikiticker-2015-09-12-sampled.json.gz</code> as a filter.
-The separation of base directory and <a href="https://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/filefilter/WildcardFileFilter.html">wildcard file filter</a> is there if you need to ingest data from multiple files.</p>
-<p>Click <code>Preview</code> and make sure that the the data you are seeing is correct.</p>
+<p>Select <code>Local disk</code> and click <code>Connect data</code>.</p>
<p><img src="../assets/tutorial-batch-data-loader-02.png" alt="Data loader sample" title="Data loader sample"></p>
-<p>Once the data is located, you can click "Next: Parse data" to go to the next step.
-The data loader will try to automatically determine the correct parser for the data.
+<p>Enter <code>quickstart/tutorial/</code> as the base directory and <code>wikiticker-2015-09-12-sampled.json.gz</code> as a filter.
+The separation of base directory and <a href="https://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/filefilter/WildcardFileFilter.html">wildcard file filter</a> is there if you need to ingest data from multiple files.</p>
+<p>Click <code>Preview</code> and make sure that the data you are seeing is correct.</p>
+<p>Once the data is located, you can click "Next: Parse data" to go to the next step.</p>
+<p><img src="../assets/tutorial-batch-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
+<p>The data loader will try to automatically determine the correct parser for the data.
In this case it will successfully determine <code>json</code>.
Feel free to play around with different parser options to get a preview of how Druid will parse your data.</p>
-<p><img src="../assets/tutorial-batch-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
-<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.
-Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
+<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.</p>
+<p><img src="../assets/tutorial-batch-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
+<p>Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
If you do not have a timestamp in your data, select <code>Constant value</code>.
In our example, the data loader will determine that the <code>time</code> column in our raw data is the only candidate that can be used as the primary time column.</p>
-<p><img src="../assets/tutorial-batch-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
<p>Click <code>Next: ...</code> twice to go past the <code>Transform</code> and <code>Filter</code> steps.
You do not need to enter anything in these steps as applying ingestion time transforms and filters are out of scope for this tutorial.</p>
-<p>In the <code>Configure schema</code> step, you can configure which dimensions (and metrics) will be ingested into Druid.
-This is exactly what the data will appear like in Druid once it is ingested.
-Since our dataset is very small, go ahead and turn off <code>Rollup</code> by clicking on the switch and confirming the change.</p>
<p><img src="../assets/tutorial-batch-data-loader-05.png" alt="Data loader schema" title="Data loader schema"></p>
-<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.
-Here you can adjust how the data will be split up into segments in Druid.
-Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>In the <code>Configure schema</code> step, you can configure which <a href="/docs/0.16.0-incubating/ingestion/index.html#dimensions">dimensions</a> and <a href="/docs/0.16.0-incubating/ingestion/index.html#metrics">metrics</a> will be ingested into Druid.
+This is exactly what the data will appear like in Druid once it is ingested.
+Since our dataset is very small, go ahead and turn off <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup"><code>Rollup</code></a> by clicking on the switch and confirming the change.</p>
+<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.</p>
<p><img src="../assets/tutorial-batch-data-loader-06.png" alt="Data loader partition" title="Data loader partition"></p>
-<p>Clicking past the <code>Tune</code> step, we get to the publish step, which is where we can specify what the datasource name in Druid.
-Let's name this datasource <code>wikipedia</code>.</p>
+<p>Here, you can adjust how the data will be split up into segments in Druid.
+Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>Clicking past the <code>Tune</code> step, to get to the publish step.</p>
<p><img src="../assets/tutorial-batch-data-loader-07.png" alt="Data loader publish" title="Data loader publish"></p>
-<p>Finally, click <code>Next</code> to review your spec.
-This is the spec you have constructed.
+<p>The <code>Publish</code> step is where we can specify what the datasource name in Druid.
+Let's name this datasource <code>wikipedia</code>.
+Finally, click <code>Next</code> to review your spec.</p>
+<p><img src="../assets/tutorial-batch-data-loader-08.png" alt="Data loader spec" title="Data loader spec"></p>
+<p>This is the spec you have constructed.
Feel free to go back and make changes in previous steps to see how changes will update the spec.
Similarly, you can also edit the spec directly and see it reflected in the previous steps.</p>
-<p><img src="../assets/tutorial-batch-data-loader-08.png" alt="Data loader spec" title="Data loader spec"></p>
<p>Once you are satisfied with the spec, click <code>Submit</code> and an ingestion task will be created.</p>
-<p>You will be taken to the task view with the focus on the newly created task.</p>
<p><img src="../assets/tutorial-batch-data-loader-09.png" alt="Tasks view" title="Tasks view"></p>
-<p>In the tasks view, you can click <code>Refresh</code> a couple of times until your ingestion task (hopefully) succeeds.</p>
+<p>You will be taken to the task view with the focus on the newly created task.
+The task view is set to auto refresh, wait until your task succeeds.</p>
<p>When a tasks succeeds it means that it built one or more segments that will now be picked up by the data servers.</p>
-<p>Navigate to the <code>Datasources</code> view and click refresh until your datasource (<code>wikipedia</code>) appears.
-This can take a few seconds as the segments are being loaded.</p>
+<p>Navigate to the <code>Datasources</code> view from the header.</p>
<p><img src="../assets/tutorial-batch-data-loader-10.png" alt="Datasource view" title="Datasource view"></p>
+<p>Wait until your datasource (<code>wikipedia</code>) appears.
+This can take a few seconds as the segments are being loaded.</p>
<p>A datasource is queryable once you see a green (fully available) circle.
At this point, you can go to the <code>Query</code> view to run SQL queries against the datasource.</p>
-<p>Since this is a small dataset, you can simply run a <code>SELECT * FROM wikipedia</code> query to see your results.</p>
<p><img src="../assets/tutorial-batch-data-loader-11.png" alt="Query view" title="Query view"></p>
+<p>Run a <code>SELECT * FROM "wikipedia"</code> query to see your results.</p>
<p>Check out the <a href="/docs/0.16.0-incubating/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-data-with-a-spec-via-console"></a><a href="#loading-data-with-a-spec-via-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 [...]
<p>The Druid package includes the following sample native batch ingestion task spec at <code>quickstart/tutorial/wikipedia-index.json</code>, shown here for convenience,
diff --git a/docs/0.16.0-incubating/tutorials/tutorial-compaction.html b/docs/0.16.0-incubating/tutorials/tutorial-compaction.html
index a5bd875..f6ac1f5 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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index 4e32938..b9742a7 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/tutorials/tutorial-ingestion-spec.html b/docs/0.16.0-incubating/tutorials/tutorial-ingestion-spec.html
index 7c529e6..77f2e14 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-ingestion-spec.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-ingestion-spec.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -161,7 +161,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<li><p>If rollup is disabled, then all columns are treated as "dimensions" and no pre-aggregation occurs.</p></li>
</ul>
<p>For this tutorial, let's enable rollup. This is specified with a <code>granularitySpec</code> on the <code>dataSchema</code>.</p>
-<p>Note that the <code>granularitySpec</code> lies outside of the <code>parser</code>. We will revist the <code>parser</code> soon when we define our dimensions and metrics.</p>
+<p>Note that the <code>granularitySpec</code> lies outside of the <code>parser</code>. We will revisit the <code>parser</code> soon when we define our dimensions and metrics.</p>
<pre><code class="hljs css language-json">"dataSchema" : {
"dataSource" : "ingestion-tutorial",
"parser" : {
diff --git a/docs/0.16.0-incubating/tutorials/tutorial-kafka.html b/docs/0.16.0-incubating/tutorials/tutorial-kafka.html
index 572ed9d..a085254 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-kafka.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-kafka.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -96,11 +96,72 @@ tar -xzf kafka_2.12-2.1.0.tgz
<p>Run this command to create a Kafka topic called <em>wikipedia</em>, to which we'll send data:</p>
<pre><code class="hljs css language-bash">./bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic wikipedia
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="start-druid-kafka-ingestion"></a><a href="#start-druid-kafka-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
-<p>We will use Druid's Kafka indexing service to ingest messages from our newly created <em>wikipedia</em> topic.</p>
+<h2><a class="anchor" aria-hidden="true" id="load-data-into-kafka"></a><a href="#load-data-into-kafka" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Let's launch a producer for our topic and send some data!</p>
+<p>In your Druid directory, run the following command:</p>
+<pre><code class="hljs css language-bash"><span class="hljs-built_in">cd</span> quickstart/tutorial
+gunzip -c wikiticker-2015-09-12-sampled.json.gz > wikiticker-2015-09-12-sampled.json
+</code></pre>
+<p>In your Kafka directory, run the following command, where {PATH_TO_DRUID} is replaced by the path to the Druid directory:</p>
+<pre><code class="hljs css language-bash"><span class="hljs-built_in">export</span> KAFKA_OPTS=<span class="hljs-string">"-Dfile.encoding=UTF-8"</span>
+./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic wikipedia < {PATH_TO_DRUID}/quickstart/tutorial/wikiticker-2015-09-12-sampled.json
+</code></pre>
+<p>The previous command posted sample events to the <em>wikipedia</em> Kafka topic.
+Now we will use Druid's Kafka indexing service to ingest messages from our newly created topic.</p>
+<h2><a class="anchor" aria-hidden="true" id="loading-data-with-the-data-loader"></a><a href="#loading-data-with-the-data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-01.png" alt="Data loader init" title="Data loader init"></p>
+<p>Select <code>Apache Kafka</code> and click <code>Connect data</code>.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-02.png" alt="Data loader sample" title="Data loader sample"></p>
+<p>Enter <code>localhost:9092</code> as the bootstrap server and <code>wikipedia</code> as the topic.</p>
+<p>Click <code>Preview</code> and make sure that the data you are seeing is correct.</p>
+<p>Once the data is located, you can click "Next: Parse data" to go to the next step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
+<p>The data loader will try to automatically determine the correct parser for the data.
+In this case it will successfully determine <code>json</code>.
+Feel free to play around with different parser options to get a preview of how Druid will parse your data.</p>
+<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
+<p>Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
+If you do not have a timestamp in your data, select <code>Constant value</code>.
+In our example, the data loader will determine that the <code>time</code> column in our raw data is the only candidate that can be used as the primary time column.</p>
+<p>Click <code>Next: ...</code> twice to go past the <code>Transform</code> and <code>Filter</code> steps.
+You do not need to enter anything in these steps as applying ingestion time transforms and filters are out of scope for this tutorial.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-05.png" alt="Data loader schema" title="Data loader schema"></p>
+<p>In the <code>Configure schema</code> step, you can configure which <a href="/docs/0.16.0-incubating/ingestion/index.html#dimensions">dimensions</a> and <a href="/docs/0.16.0-incubating/ingestion/index.html#metrics">metrics</a> will be ingested into Druid.
+This is exactly what the data will appear like in Druid once it is ingested.
+Since our dataset is very small, go ahead and turn off <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup"><code>Rollup</code></a> by clicking on the switch and confirming the change.</p>
+<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-06.png" alt="Data loader partition" title="Data loader partition"></p>
+<p>Here, you can adjust how the data will be split up into segments in Druid.
+Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>Click <code>Next: Tune</code> to go to the tuning step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-07.png" alt="Data loader tune" title="Data loader tune"></p>
+<p>In the <code>Tune</code> step is it <em>very important</em> to set <code>Use earliest offset</code> to <code>True</code> since we want to consume the data from the start of the stream.
+There are no other changes that need to be made hear, so click <code>Next: Publish</code> to go to the <code>Publish</code> step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-08.png" alt="Data loader publish" title="Data loader publish"></p>
+<p>Let's name this datasource <code>wikipedia-kafka</code>.</p>
+<p>Finally, click <code>Next</code> to review your spec.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-09.png" alt="Data loader spec" title="Data loader spec"></p>
+<p>This is the spec you have constructed.
+Feel free to go back and make changes in previous steps to see how changes will update the spec.
+Similarly, you can also edit the spec directly and see it reflected in the previous steps.</p>
+<p>Once you are satisfied with the spec, click <code>Submit</code> and an ingestion task will be created.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-10.png" alt="Tasks view" title="Tasks view"></p>
+<p>You will be taken to the task view with the focus on the newly created supervisor.</p>
+<p>The task view is set to auto refresh, wait until your supervisor launches a task.</p>
+<p>When a tasks starts running, it will also start serving the data that it is ingesting.</p>
+<p>Navigate to the <code>Datasources</code> view from the header.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-11.png" alt="Datasource view" title="Datasource view"></p>
+<p>When the <code>wikipedia-kafka</code> datasource appears here it can be queried.</p>
+<p><em>Note:</em> if the datasource does not appear after a minute you might have not set the supervisor to read from the start of the stream (in the <code>Tune</code> step).</p>
+<p>At this point, you can go to the <code>Query</code> view to run SQL queries against the datasource.</p>
+<p>Since this is a small dataset, you can simply run a <code>SELECT * FROM "wikipedia-kafka"</code> query to see your results.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-12.png" alt="Query view" title="Query view"></p>
+<p>Check out the <a href="/docs/0.16.0-incubating/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
<h3><a class="anchor" aria-hidden="true" id="submit-a-supervisor-via-the-console"></a><a href="#submit-a-supervisor-via-the-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
<p>In the console, click <code>Submit supervisor</code> to open the submit supervisor dialog.</p>
-<p><img src="../assets/tutorial-kafka-01.png" alt="Submit supervisor" title="Submit supervisor"></p>
+<p><img src="../assets/tutorial-kafka-submit-supervisor-01.png" alt="Submit supervisor" title="Submit supervisor"></p>
<p>Paste in this spec and click <code>Submit</code>.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"kafka"</span>,
@@ -163,7 +224,6 @@ tar -xzf kafka_2.12-2.1.0.tgz
}
</code></pre>
<p>This will start the supervisor that will in turn spawn some tasks that will start listening for incoming data.</p>
-<p><img src="../assets/tutorial-kafka-02.png" alt="Running supervisor" title="Running supervisor"></p>
<h3><a class="anchor" aria-hidden="true" id="submit-a-supervisor-directly"></a><a href="#submit-a-supervisor-directly" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
<p>To start the service directly, we will need to submit a supervisor spec to the Druid overlord by running the following from the Druid package root:</p>
<pre><code class="hljs css language-bash">curl -XPOST -H<span class="hljs-string">'Content-Type: application/json'</span> -d @quickstart/tutorial/wikipedia-kafka-supervisor.json http://localhost:8081/druid/indexer/v1/supervisor
@@ -172,17 +232,6 @@ tar -xzf kafka_2.12-2.1.0.tgz
<p>For more details about what's going on here, check out the
<a href="/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html">Druid Kafka indexing service documentation</a>.</p>
<p>You can view the current supervisors and tasks in the Druid Console: <a href="http://localhost:8888/unified-console.html#tasks">http://localhost:8888/unified-console.html#tasks</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="load-data"></a><a href="#load-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
-<p>Let's launch a producer for our topic and send some data!</p>
-<p>In your Druid directory, run the following command:</p>
-<pre><code class="hljs css language-bash"><span class="hljs-built_in">cd</span> quickstart/tutorial
-gunzip -k wikiticker-2015-09-12-sampled.json.gz
-</code></pre>
-<p>In your Kafka directory, run the following command, where {PATH_TO_DRUID} is replaced by the path to the Druid directory:</p>
-<pre><code class="hljs css language-bash"><span class="hljs-built_in">export</span> KAFKA_OPTS=<span class="hljs-string">"-Dfile.encoding=UTF-8"</span>
-./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic wikipedia < {PATH_TO_DRUID}/quickstart/tutorial/wikiticker-2015-09-12-sampled.json
-</code></pre>
-<p>The previous command posted sample events to the <em>wikipedia</em> Kafka topic which were then ingested into Druid by the Kafka indexing service. You're now ready to run some queries!</p>
<h2><a class="anchor" aria-hidden="true" id="querying-your-data"></a><a href="#querying-your-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>After data is sent to the Kafka stream, it is immediately available for querying.</p>
<p>Please follow the <a href="/docs/0.16.0-incubating/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
@@ -190,4 +239,4 @@ gunzip -k wikiticker-2015-09-12-sampled.json.gz
<p>If you wish to go through any of the other ingestion tutorials, you will need to shut down the cluster and reset the cluster state by removing the contents of the <code>var</code> directory under the druid package, as the other tutorials will write to the same "wikipedia" datasource.</p>
<h2><a class="anchor" aria-hidden="true" id="further-reading"></a><a href="#further-reading" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>For more information on loading data from Kafka streams, please see the <a href="/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html">Druid Kafka indexing service documentation</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch.html"><span class="arrow-prev">← </span><span>Loading files natively</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html"><span>Load from Apache Hadoop</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#getting-started">Getting [...]
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch.html"><span class="arrow-prev">← </span><span>Loading files natively</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/tutorials/tutorial-batch-hadoop.html"><span>Load from Apache Hadoop</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#getting-started">Getting [...]
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diff --git a/docs/0.16.0-incubating/tutorials/tutorial-kerberos-hadoop.html b/docs/0.16.0-incubating/tutorials/tutorial-kerberos-hadoop.html
index d5eafa6..12e414f 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-kerberos-hadoop.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-kerberos-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/tutorials/tutorial-query.html b/docs/0.16.0-incubating/tutorials/tutorial-query.html
index 1bb9ff9..26a16d5 100644
--- a/docs/0.16.0-incubating/tutorials/tutorial-query.html
+++ b/docs/0.16.0-incubating/tutorials/tutorial-query.html
@@ -3,7 +3,7 @@
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@@ -91,18 +91,22 @@ The Druid console includes a view to issue queries to Druid and nicely format th
<p>This query retrieves the 10 Wikipedia pages with the most page edits on 2015-09-12.</p>
<pre><code class="hljs css language-sql"><span class="hljs-keyword">SELECT</span> page, <span class="hljs-keyword">COUNT</span>(*) <span class="hljs-keyword">AS</span> Edits
<span class="hljs-keyword">FROM</span> wikipedia
-<span class="hljs-keyword">WHERE</span> <span class="hljs-string">"__time"</span> <span class="hljs-keyword">BETWEEN</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-12 00:00:00'</span> <span class="hljs-keyword">AND</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-13 00:00:00'</span>
-<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> page <span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> Edits <span class="hljs-keyword">DESC</span>
+<span class="hljs-keyword">WHERE</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-12 00:00:00'</span> <= <span class="hljs-string">"__time"</span> <span class="hljs-keyword">AND</span> <span class="hljs-string">"__time"</span> < <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-13 00:00:00'</span>
+<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> page
+<span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> Edits <span class="hljs-keyword">DESC</span>
<span class="hljs-keyword">LIMIT</span> <span class="hljs-number">10</span>
</code></pre>
<p>Let's look at the different ways to issue this query.</p>
<h3><a class="anchor" aria-hidden="true" id="query-sql-via-the-console"></a><a href="#query-sql-via-the-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
<p>You can issue the above query from the console.</p>
<p><img src="../assets/tutorial-query-01.png" alt="Query autocomplete" title="Query autocomplete"></p>
-<p>The console query view provides autocomplete together with inline function documentation.
-You can also configure extra context flags to be sent with the query from the more options menu.</p>
+<p>The console query view provides autocomplete functionality with inline documentation.</p>
<p><img src="../assets/tutorial-query-02.png" alt="Query options" title="Query options"></p>
-<p>Note that the console will by default wrap your SQL queries in a limit so that you can issue queries like <code>SELECT * FROM wikipedia</code> without much hesitation - you can turn off this behaviour.</p>
+<p>You can also configure extra <a href="/docs/0.16.0-incubating/querying/query-context.html">context flags</a> to be sent with the query from the <code>...</code> options menu.</p>
+<p>Note that the console will (by default) wrap your SQL queries in a limit where appropriate so that queries such as <code>SELECT * FROM wikipedia</code> can complete.
+You can turn off this behavior from the <code>Smart query limit</code> toggle.</p>
+<p><img src="../assets/tutorial-query-03.png" alt="Query actions" title="Query actions"></p>
+<p>The query view provides contextual actions that can write and modify the query for you.</p>
<h3><a class="anchor" aria-hidden="true" id="query-sql-via-dsql"></a><a href="#query-sql-via-dsql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>For convenience, the Druid package includes a SQL command-line client, located at <code>bin/dsql</code> from the Druid package root.</p>
<p>Let's now run <code>bin/dsql</code>; you should see the following prompt:</p>
diff --git a/docs/0.16.0-incubating/tutorials/tutorial-retention.html b/docs/0.16.0-incubating/tutorials/tutorial-retention.html
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@@ -89,7 +89,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<p>After the ingestion completes, go to <a href="http://localhost:8888/unified-console.html#datasources">http://localhost:8888/unified-console.html#datasources</a> in a browser to access the Druid Console's datasource view.</p>
<p>This view shows the available datasources and a summary of the retention rules for each datasource:</p>
<p><img src="../assets/tutorial-retention-01.png" alt="Summary" title="Summary"></p>
-<p>Currently there are no rules set for the <code>retention-tutorial</code> datasource. Note that there are default rules for the cluster: load forever with 2 replicants in <code>_default_tier</code>.</p>
+<p>Currently there are no rules set for the <code>retention-tutorial</code> datasource. Note that there are default rules for the cluster: load forever with 2 replicas in <code>_default_tier</code>.</p>
<p>This means that all data will be loaded regardless of timestamp, and each segment will be replicated to two Historical processes in the default tier.</p>
<p>In this tutorial, we will ignore the tiering and redundancy concepts for now.</p>
<p>Let's view the segments for the <code>retention-tutorial</code> datasource by clicking the "24 Segments" link next to "Fully Available".</p>
@@ -101,7 +101,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<p>A rule configuration window will appear:</p>
<p><img src="../assets/tutorial-retention-03.png" alt="Rule configuration" title="Rule configuration"></p>
<p>Now click the <code>+ New rule</code> button twice.</p>
-<p>In the upper rule box, select <code>Load</code> and <code>by interval</code>, and then enter <code>2015-09-12T12:00:00.000Z/2015-09-13T00:00:00.000Z</code> in field next to <code>by interval</code>. Replicants can remain at 2 in the <code>_default_tier</code>.</p>
+<p>In the upper rule box, select <code>Load</code> and <code>by interval</code>, and then enter <code>2015-09-12T12:00:00.000Z/2015-09-13T00:00:00.000Z</code> in field next to <code>by interval</code>. Replicas can remain at 2 in the <code>_default_tier</code>.</p>
<p>In the lower rule box, select <code>Drop</code> and <code>forever</code>.</p>
<p>The rules should look like this:</p>
<p><img src="../assets/tutorial-retention-04.png" alt="Set rules" title="Set rules"></p>
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diff --git a/docs/latest/comparisons/druid-vs-elasticsearch.html b/docs/latest/comparisons/druid-vs-elasticsearch.html
index 3e4c4b5..e1cc001 100644
--- a/docs/latest/comparisons/druid-vs-elasticsearch.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/comparisons/druid-vs-key-value.html b/docs/latest/comparisons/druid-vs-key-value.html
index 3ddd08b..f8c82d7 100644
--- a/docs/latest/comparisons/druid-vs-key-value.html
+++ b/docs/latest/comparisons/druid-vs-key-value.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/comparisons/druid-vs-kudu.html b/docs/latest/comparisons/druid-vs-kudu.html
index 0ad19a9..b1631a1 100644
--- a/docs/latest/comparisons/druid-vs-kudu.html
+++ b/docs/latest/comparisons/druid-vs-kudu.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -88,6 +88,6 @@ Druid's segment architecture is heavily geared towards fast aggregates and filte
fast in Druid, whereas updates of older data is higher latency. This is by design as the data Druid is good for is typically event data,
and does not need to be updated too frequently. Kudu supports arbitrary primary keys with uniqueness constraints, and
efficient lookup by ranges of those keys. Kudu chooses not to include the execution engine, but supports sufficient
-operations so as to allow node-local processing from the execution engines. This means that Kudu can support multiple frameworks on the same data (eg MR, Spark, and SQL).
+operations so as to allow node-local processing from the execution engines. This means that Kudu can support multiple frameworks on the same data (e.g., MR, Spark, and SQL).
Druid includes its own query layer that allows it to push down aggregations and computations directly to data processes for faster query processing.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/comparisons/druid-vs-key-value.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)</span></a><a class="docs-next button" href="/docs/latest/comparisons/druid-vs-redshift.html"><span>Apache Druid vs Redshift</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div [...]
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diff --git a/docs/latest/comparisons/druid-vs-redshift.html b/docs/latest/comparisons/druid-vs-redshift.html
index 165904c..5792e4f 100644
--- a/docs/latest/comparisons/druid-vs-redshift.html
+++ b/docs/latest/comparisons/druid-vs-redshift.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/comparisons/druid-vs-spark.html b/docs/latest/comparisons/druid-vs-spark.html
index aaf7501..2cfa90d 100644
--- a/docs/latest/comparisons/druid-vs-spark.html
+++ b/docs/latest/comparisons/druid-vs-spark.html
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diff --git a/docs/latest/comparisons/druid-vs-sql-on-hadoop.html b/docs/latest/comparisons/druid-vs-sql-on-hadoop.html
index 3c561ab..63b2f3d 100644
--- a/docs/latest/comparisons/druid-vs-sql-on-hadoop.html
+++ b/docs/latest/comparisons/druid-vs-sql-on-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -89,7 +89,7 @@ product requirements and what the systems were designed to do.</p>
<li>handle slice-n-dice style ad-hoc queries</li>
</ol>
<p>SQL-on-Hadoop engines generally sidestep Map/Reduce, instead querying data directly from HDFS or, in some cases, other storage systems.
-Some of these engines (including Impala and Presto) can be colocated with HDFS data nodes and coordinate with them to achieve data locality for queries.
+Some of these engines (including Impala and Presto) can be co-located with HDFS data nodes and coordinate with them to achieve data locality for queries.
What does this mean? We can talk about it in terms of three general areas</p>
<ol>
<li>Queries</li>
@@ -103,7 +103,7 @@ are queries and results, and all computation is done internally as part of the D
<p>Most SQL-on-Hadoop engines are responsible for query planning and execution for underlying storage layers and storage formats.
They are processes that stay on even if there is no query running (eliminating the JVM startup costs from Hadoop MapReduce).
Some (Impala/Presto) SQL-on-Hadoop engines have daemon processes that can be run where the data is stored, virtually eliminating network transfer costs. There is still
-some latency overhead (e.g. serde time) associated with pulling data from the underlying storage layer into the computation layer. We are unaware of exactly
+some latency overhead (e.g. serialization/deserialization time) associated with pulling data from the underlying storage layer into the computation layer. We are unaware of exactly
how much of a performance impact this makes.</p>
<h3><a class="anchor" aria-hidden="true" id="data-ingestion"></a><a href="#data-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>Druid is built to allow for real-time ingestion of data. You can ingest data and query it immediately upon ingestion,
@@ -120,5 +120,5 @@ base Druid is less flexible than SQL-on-Hadoop solutions for generic processing.
<p>Parquet is a column storage format that is designed to work with SQL-on-Hadoop engines. Parquet doesn't have a query execution engine, and instead
relies on external sources to pull data out of it.</p>
<p>Druid's storage format is highly optimized for linear scans. Although Druid has support for nested data, Parquet's storage format is much
-more hierachical, and is more designed for binary chunking. In theory, this should lead to faster scans in Druid.</p>
+more hierarchical, and is more designed for binary chunking. In theory, this should lead to faster scans in Druid.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/comparisons/druid-vs-spark.html"><span class="arrow-prev">← </span><span>Apache Druid vs Spark</span></a><a class="docs-next button" href="/docs/latest/design/auth.html"><span>Authentication and Authorization</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#druid-vs-parquet">Druid vs Parquet</a></li></ul></nav></ [...]
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diff --git a/docs/latest/configuration/index.html b/docs/latest/configuration/index.html
index c530816..675b99c 100644
--- a/docs/latest/configuration/index.html
+++ b/docs/latest/configuration/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -107,7 +107,7 @@ jvm<span class="hljs-selector-class">.config</span> runtime<span class="
conf/tranquility:
kafka<span class="hljs-selector-class">.json</span> server<span class="hljs-selector-class">.json</span>
</code></pre>
-<p>Each directory has a <code>runtime.properties</code> file containing configuration properties for the specific Druid process correponding to the directory (e.g., <code>historical</code>).</p>
+<p>Each directory has a <code>runtime.properties</code> file containing configuration properties for the specific Druid process corresponding to the directory (e.g., <code>historical</code>).</p>
<p>The <code>jvm.config</code> files contain JVM flags such as heap sizing properties for each service.</p>
<p>Common properties shared by all services are placed in <code>_common/common.runtime.properties</code>.</p>
<h2><a class="anchor" aria-hidden="true" id="common-configurations"></a><a href="#common-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
@@ -142,7 +142,7 @@ kafka<span class="hljs-selector-class">.json</span> server<span class="hljs-sel
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.modules.excludeList</code></td><td>A JSON array of canonical class names (e. g. <code>"org.apache.druid.somepackage.SomeModule"</code>) of module classes which shouldn't be loaded, even if they are found in extensions specified by <code>druid.extensions.loadList</code>, or in the list of core modules specified to be loaded on a particular Druid process type. Useful when some useful extension contains some module, which shouldn't be loaded on some Druid proce [...]
+<tr><td><code>druid.modules.excludeList</code></td><td>A JSON array of canonical class names (e.g., <code>"org.apache.druid.somepackage.SomeModule"</code>) of module classes which shouldn't be loaded, even if they are found in extensions specified by <code>druid.extensions.loadList</code>, or in the list of core modules specified to be loaded on a particular Druid process type. Useful when some useful extension contains some module, which shouldn't be loaded on some Druid proce [...]
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="zookeeper"></a><a href="#zookeeper" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
@@ -224,7 +224,7 @@ That is, it allows Druid to keep the connections of Exhibitor-supervised ZooKeep
<tr><td><code>druid.exhibitor.service.port</code></td><td>The REST port used to connect to Exhibitor.</td><td><code>8080</code></td></tr>
<tr><td><code>druid.exhibitor.service.restUriPath</code></td><td>The path of the REST call used to get the server set.</td><td><code>/exhibitor/v1/cluster/list</code></td></tr>
<tr><td><code>druid.exhibitor.service.useSsl</code></td><td>Boolean flag for whether or not to use https protocol.</td><td><code>false</code></td></tr>
-<tr><td><code>druid.exhibitor.service.pollingMs</code></td><td>How ofter to poll the exhibitors for the list</td><td><code>10000</code></td></tr>
+<tr><td><code>druid.exhibitor.service.pollingMs</code></td><td>How often to poll the exhibitors for the list</td><td><code>10000</code></td></tr>
</tbody>
</table>
<p>Note that <code>druid.zk.service.host</code> is used as a backup in case an Exhibitor instance can't be contacted and therefore should still be set.</p>
@@ -334,7 +334,7 @@ values for the above mentioned configs among others provided by Java implementat
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.request.logging.dir</code></td><td>Historical, Realtime and Broker processes maintain request logs of all of the requests they get (interacton is via POST, so normal request logs don’t generally capture information about the actual query), this specifies the directory to store the request logs in</td><td>none</td></tr>
+<tr><td><code>druid.request.logging.dir</code></td><td>Historical, Realtime and Broker processes maintain request logs of all of the requests they get (interaction is via POST, so normal request logs don’t generally capture information about the actual query), this specifies the directory to store the request logs in</td><td>none</td></tr>
<tr><td><code>druid.request.logging.filePattern</code></td><td><a href="http://www.joda.org/joda-time/apidocs/org/joda/time/format/DateTimeFormat.html">Joda datetime format</a> for each file</td><td>"yyyy-MM-dd'.log'"</td></tr>
</tbody>
</table>
@@ -356,7 +356,7 @@ values for the above mentioned configs among others provided by Java implementat
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="slf4j-request-logging"></a><a href="#slf4j-request-logging" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>Every request is logged via SLF4J. Native queries are serialized into JSON in the log message regardless of the SJF4J format specification. They will be logged under the class <code>org.apache.druid.server.log.LoggingRequestLogger</code>.</p>
+<p>Every request is logged via SLF4J. Native queries are serialized into JSON in the log message regardless of the SLF4J format specification. They will be logged under the class <code>org.apache.druid.server.log.LoggingRequestLogger</code>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -391,8 +391,8 @@ For native query, only request logs where query/time is above the threshold are
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.request.logging.queryTimeThresholdMs</code></td><td>Threshold value for query/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
-<tr><td><code>druid.request.logging.sqlQueryTimeThresholdMs</code></td><td>Threshold value for sqlQuery/time in milliseconds.</td><td>0 i.e no filtering</td></tr>
+<tr><td><code>druid.request.logging.queryTimeThresholdMs</code></td><td>Threshold value for query/time in milliseconds.</td><td>0, i.e., no filtering</td></tr>
+<tr><td><code>druid.request.logging.sqlQueryTimeThresholdMs</code></td><td>Threshold value for sqlQuery/time in milliseconds.</td><td>0, i.e., no filtering</td></tr>
<tr><td><code>druid.request.logging.mutedQueryTypes</code></td><td>Query requests of these types are not logged. Query types are defined as string objects corresponding to the "queryType" value for the specified query in the Druid's <a href="http://druid.apache.org/docs/latest/latest/querying/querying.html">native JSON query API</a>. Misspelled query types will be ignored. Example to ignore scan and timeBoundary queries: ["scan", "timeBoundary"]</td><td>[]</ [...]
<tr><td><code>druid.request.logging.delegate.type</code></td><td>Type of delegate request logger to log requests.</td><td>none</td></tr>
</tbody>
@@ -476,7 +476,7 @@ For native query, only request logs where query/time is above the threshold are
<tbody>
<tr><td><code>druid.emitter.http.flushMillis</code></td><td>How often the internal message buffer is flushed (data is sent).</td><td>60000</td></tr>
<tr><td><code>druid.emitter.http.flushCount</code></td><td>How many messages the internal message buffer can hold before flushing (sending).</td><td>500</td></tr>
-<tr><td><code>druid.emitter.http.basicAuthentication</code></td><td>Login and password for authentification in "login:password" form, e. g. <code>druid.emitter.http.basicAuthentication=admin:adminpassword</code></td><td>not specified = no authentification</td></tr>
+<tr><td><code>druid.emitter.http.basicAuthentication</code></td><td>Login and password for authentication in "login:password" form, e.g., <code>druid.emitter.http.basicAuthentication=admin:adminpassword</code></td><td>not specified = no authentication</td></tr>
<tr><td><code>druid.emitter.http.flushTimeOut</code></td><td>The timeout after which an event should be sent to the endpoint, even if internal buffers are not filled, in milliseconds.</td><td>not specified = no timeout</td></tr>
<tr><td><code>druid.emitter.http.batchingStrategy</code></td><td>The strategy of how the batch is formatted. "ARRAY" means <code>[event1,event2]</code>, "NEWLINES" means <code>event1\nevent2</code>, ONLY_EVENTS means <code>event1event2</code>.</td><td>ARRAY</td></tr>
<tr><td><code>druid.emitter.http.maxBatchSize</code></td><td>The maximum batch size, in bytes.</td><td>the minimum of (10% of JVM heap size divided by 2) or (5191680 (i. e. 5 MB))</td></tr>
@@ -506,7 +506,7 @@ SSLContext that would be used for internal communications between Druid processe
</table>
<h4><a class="anchor" aria-hidden="true" id="parametrized-http-emitter-module"></a><a href="#parametrized-http-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p><code>druid.emitter.parametrized.httpEmitting.*</code> configs correspond to the configs of Http Emitter Modules, see above.
-Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.httpEmitting.flushMillis</code>,
+Except <code>recipientBaseUrl</code>. E.g., <code>druid.emitter.parametrized.httpEmitting.flushMillis</code>,
<code>druid.emitter.parametrized.httpEmitting.flushCount</code>, <code>druid.emitter.parametrized.httpEmitting.ssl.trustStorePath</code>, etc.</p>
<p>The additional configs are:</p>
<table>
@@ -514,7 +514,7 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.emitter.parametrized.recipientBaseUrlPattern</code></td><td>The URL pattern to send an event to, based on the event's feed. E. g. <code>http://foo.bar/{feed}</code>, that will send event to <code>http://foo.bar/metrics</code> if the event's feed is "metrics".</td><td>none, required config</td></tr>
+<tr><td><code>druid.emitter.parametrized.recipientBaseUrlPattern</code></td><td>The URL pattern to send an event to, based on the event's feed. E.g., <code>http://foo.bar/{feed}</code>, that will send event to <code>http://foo.bar/metrics</code> if the event's feed is "metrics".</td><td>none, required config</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="composing-emitter-module"></a><a href="#composing-emitter-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
@@ -523,20 +523,20 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.emitter.composing.emitters</code></td><td>List of emitter modules to load e.g. ["logging","http"].</td><td>[]</td></tr>
+<tr><td><code>druid.emitter.composing.emitters</code></td><td>List of emitter modules to load, e.g., ["logging","http"].</td><td>[]</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="graphite-emitter"></a><a href="#graphite-emitter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>To use graphite as emitter set <code>druid.emitter=graphite</code>. For configuration details please follow this <a href="/docs/latest/development/extensions-contrib/graphite.html">link</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="metadata-storage"></a><a href="#metadata-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
-<p>These properties specify the jdbc connection and other configuration around the metadata storage. The only processes that connect to the metadata storage with these properties are the <a href="/docs/latest/design/coordinator.html">Coordinator</a> and <a href="/docs/latest/design/overlord.html">Overlord</a>.</p>
+<p>These properties specify the JDBC connection and other configuration around the metadata storage. The only processes that connect to the metadata storage with these properties are the <a href="/docs/latest/design/coordinator.html">Coordinator</a> and <a href="/docs/latest/design/overlord.html">Overlord</a>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
<tr><td><code>druid.metadata.storage.type</code></td><td>The type of metadata storage to use. Choose from "mysql", "postgresql", or "derby".</td><td>derby</td></tr>
-<tr><td><code>druid.metadata.storage.connector.connectURI</code></td><td>The jdbc uri for the database to connect to</td><td>none</td></tr>
+<tr><td><code>druid.metadata.storage.connector.connectURI</code></td><td>The JDBC URI for the database to connect to</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.user</code></td><td>The username to connect with.</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.password</code></td><td>The <a href="/docs/latest/operations/password-provider.html">Password Provider</a> or String password used to connect with.</td><td>none</td></tr>
<tr><td><code>druid.metadata.storage.connector.createTables</code></td><td>If Druid requires a table and it doesn't exist, create it?</td><td>true</td></tr>
@@ -550,7 +550,7 @@ Except <code>recipientBaseUrl</code>. E. g. <code>druid.emitter.parametrized.htt
<tr><td><code>druid.metadata.storage.tables.taskLog</code></td><td>Used by the indexing service to store task logs.</td><td>druid_taskLog</td></tr>
<tr><td><code>druid.metadata.storage.tables.taskLock</code></td><td>Used by the indexing service to store task locks.</td><td>druid_taskLock</td></tr>
<tr><td><code>druid.metadata.storage.tables.supervisors</code></td><td>Used by the indexing service to store supervisor configurations.</td><td>druid_supervisors</td></tr>
-<tr><td><code>druid.metadata.storage.tables.audit</code></td><td>The table to use for audit history of configuration changes e.g. Coordinator rules.</td><td>druid_audit</td></tr>
+<tr><td><code>druid.metadata.storage.tables.audit</code></td><td>The table to use for audit history of configuration changes, e.g., Coordinator rules.</td><td>druid_audit</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
@@ -626,7 +626,7 @@ The below table shows some important configurations for S3. See <a href="/docs/l
</tbody>
</table>
<p>You can also configure the Overlord to automatically retain the task logs in log directory and entries in task-related metadata storage tables only for last x milliseconds by configuring following additional properties.
-Caution: Automatic log file deletion typically works based on log file modification timestamp on the backing store, so large clock skews between druid processes and backing store nodes might result in un-intended behavior.</p>
+Caution: Automatic log file deletion typically works based on log file modification timestamp on the backing store, so large clock skews between druid processes and backing store nodes might result in unintended behavior.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -747,7 +747,7 @@ the following properties.</p>
<p>Prior to version 0.13.0 Druid's storage layer used a 32-bit float representation to store columns created by the
doubleSum, doubleMin, and doubleMax aggregators at indexing time.
Starting from version 0.13.0 the default will be 64-bit floats for Double columns.
-Using 64-bit representation for double column will lead to avoid precesion loss at the cost of doubling the storage size of such columns.
+Using 64-bit representation for double column will lead to avoid precision loss at the cost of doubling the storage size of such columns.
To keep the old format set the system-wide property <code>druid.indexing.doubleStorage=float</code>.
You can also use floatSum, floatMin and floatMax to use 32-bit float representation.
Support for 64-bit floating point columns was released in Druid 0.11.0, so if you use this feature then older versions of Druid will not be able to read your data segments.</p>
@@ -788,14 +788,14 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
<tr><td><code>druid.coordinator.period.indexingPeriod</code></td><td>How often to send compact/merge/conversion tasks to the indexing service. It's recommended to be longer than <code>druid.manager.segments.pollDuration</code></td><td>PT1800S (30 mins)</td></tr>
<tr><td><code>druid.coordinator.startDelay</code></td><td>The operation of the Coordinator works on the assumption that it has an up-to-date view of the state of the world when it runs, the current ZK interaction code, however, is written in a way that doesn’t allow the Coordinator to know for a fact that it’s done loading the current state of the world. This delay is a hack to give it enough time to believe that it has all the data.</td><td>PT300S</td></tr>
<tr><td><code>druid.coordinator.load.timeout</code></td><td>The timeout duration for when the Coordinator assigns a segment to a Historical process.</td><td>PT15M</td></tr>
-<tr><td><code>druid.coordinator.kill.pendingSegments.on</code></td><td>Boolean flag for whether or not the Coordinator clean up old entries in the <code>pendingSegments</code> table of metadata store. If set to true, Coordinator will check the created time of most recently complete task. If it doesn't exist, it finds the created time of the earlist running/pending/waiting tasks. Once the created time is found, then for all dataSources not in the <code>killPendingSegmentsSkipList</code> ( [...]
+<tr><td><code>druid.coordinator.kill.pendingSegments.on</code></td><td>Boolean flag for whether or not the Coordinator clean up old entries in the <code>pendingSegments</code> table of metadata store. If set to true, Coordinator will check the created time of most recently complete task. If it doesn't exist, it finds the created time of the earliest running/pending/waiting tasks. Once the created time is found, then for all dataSources not in the <code>killPendingSegmentsSkipList</code> [...]
<tr><td><code>druid.coordinator.kill.on</code></td><td>Boolean flag for whether or not the Coordinator should submit kill task for unused segments, that is, hard delete them from metadata store and deep storage. If set to true, then for all whitelisted dataSources (or optionally all), Coordinator will submit tasks periodically based on <code>period</code> specified. These kill tasks will delete all segments except for the last <code>durationToRetain</code> period. Whitelist or All can be [...]
<tr><td><code>druid.coordinator.kill.period</code></td><td>How often to send kill tasks to the indexing service. Value must be greater than <code>druid.coordinator.period.indexingPeriod</code>. Only applies if kill is turned on.</td><td>P1D (1 Day)</td></tr>
<tr><td><code>druid.coordinator.kill.durationToRetain</code></td><td>Do not kill segments in last <code>durationToRetain</code>, must be greater or equal to 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>PT-1S (-1 seconds)</td></tr>
<tr><td><code>druid.coordinator.kill.maxSegments</code></td><td>Kill at most n segments per kill task submission, must be greater than 0. Only applies and MUST be specified if kill is turned on. Note that default value is invalid.</td><td>0</td></tr>
<tr><td><code>druid.coordinator.balancer.strategy</code></td><td>Specify the type of balancing strategy that the coordinator should use to distribute segments among the historicals. <code>cachingCost</code> is logically equivalent to <code>cost</code> but is more CPU-efficient on large clusters and will replace <code>cost</code> in the future versions, users are invited to try it. Use <code>diskNormalized</code> to distribute segments among processes so that the disks fill up uniformly a [...]
<tr><td><code>druid.coordinator.balancer.cachingCost.awaitInitialization</code></td><td>Whether to wait for segment view initialization before creating the <code>cachingCost</code> balancing strategy. This property is enabled only when <code>druid.coordinator.balancer.strategy</code> is <code>cachingCost</code>. If set to 'true', the Coordinator will not start to assign segments, until the segment view is initialized. If set to 'false', the Coordinator will fallback to use the <code>cost [...]
-<tr><td><code>druid.coordinator.loadqueuepeon.repeatDelay</code></td><td>The start and repeat delay for the loadqueuepeon , which manages the load and drop of segments.</td><td>PT0.050S (50 ms)</td></tr>
+<tr><td><code>druid.coordinator.loadqueuepeon.repeatDelay</code></td><td>The start and repeat delay for the loadqueuepeon, which manages the load and drop of segments.</td><td>PT0.050S (50 ms)</td></tr>
<tr><td><code>druid.coordinator.asOverlord.enabled</code></td><td>Boolean value for whether this Coordinator process should act like an Overlord as well. This configuration allows users to simplify a druid cluster by not having to deploy any standalone Overlord processes. If set to true, then Overlord console is available at <code>http://coordinator-host:port/console.html</code> and be sure to set <code>druid.coordinator.asOverlord.overlordService</code> also. See next.</td><td>false</td></tr>
<tr><td><code>druid.coordinator.asOverlord.overlordService</code></td><td>Required, if <code>druid.coordinator.asOverlord.enabled</code> is <code>true</code>. This must be same value as <code>druid.service</code> on standalone Overlord processes and <code>druid.selectors.indexing.serviceName</code> on Middle Managers.</td><td>NULL</td></tr>
</tbody>
@@ -808,7 +808,7 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
<tbody>
<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
<tr><td><code>druid.coordinator.loadqueuepeon.type</code></td><td>curator or http</td><td>Whether to use "http" or "curator" implementation to assign segment loads/drops to historical</td><td>curator</td></tr>
-<tr><td><code>druid.coordinator.segment.awaitInitializationOnStart</code></td><td>true or false</td><td>Whether the the Coordinator will wait for its view of segments to fully initialize before starting up. If set to 'true', the Coordinator's HTTP server will not start up, and the Coordinator will not announce itself as available, until the server view is initialized.</td><td>true</td></tr>
+<tr><td><code>druid.coordinator.segment.awaitInitializationOnStart</code></td><td>true or false</td><td>Whether the Coordinator will wait for its view of segments to fully initialize before starting up. If set to 'true', the Coordinator's HTTP server will not start up, and the Coordinator will not announce itself as available, until the server view is initialized.</td><td>true</td></tr>
</tbody>
</table>
<h6><a class="anchor" aria-hidden="true" id="additional-config-when-http-loadqueuepeon-is-used"></a><a href="#additional-config-when-http-loadqueuepeon-is-used" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 [...]
@@ -834,7 +834,7 @@ Support for 64-bit floating point columns was released in Druid 0.11.0, so if yo
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="dynamic-configuration"></a><a href="#dynamic-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The Coordinator has dynamic configuration to change certain behaviour on the fly. The Coordinator uses a JSON spec object from the Druid <a href="/docs/latest/dependencies/metadata-storage.html">metadata storage</a> config table. This object is detailed below:</p>
+<p>The Coordinator has dynamic configuration to change certain behavior on the fly. The Coordinator uses a JSON spec object from the Druid <a href="/docs/latest/dependencies/metadata-storage.html">metadata storage</a> config table. This object is detailed below:</p>
<p>It is recommended that you use the Coordinator Console to configure these parameters. However, if you need to do it via HTTP, the JSON object can be submitted to the Coordinator via a POST request at:</p>
<pre><code class="hljs">http:<span class="hljs-regexp">//</span><COORDINATOR_IP>:<PORT><span class="hljs-regexp">/druid/</span>coordinator<span class="hljs-regexp">/v1/</span>config
</code></pre>
@@ -1105,10 +1105,10 @@ If you see this problem, it's recommended to set <code>skipOffsetFromLatest</cod
<pre><code class="hljs">http://<span class="hljs-symbol"><OVERLORD_IP></span>:<span class="hljs-symbol"><port></span>/druid/indexer/v1/worker/<span class="hljs-keyword">history</span>?<span class="hljs-built_in">count</span>=<span class="hljs-symbol"><n></span>
</code></pre>
<h5><a class="anchor" aria-hidden="true" id="worker-select-strategy"></a><a href="#worker-select-strategy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
-<p>Worker select strategies control how Druid assigns tasks to middleManagers.</p>
+<p>Worker select strategies control how Druid assigns tasks to MiddleManagers.</p>
<h6><a class="anchor" aria-hidden="true" id="equal-distribution"></a><a href="#equal-distribution" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
-<p>Tasks are assigned to the middleManager with the most available capacity at the time the task begins running. This is
-useful if you want work evenly distributed across your middleManagers.</p>
+<p>Tasks are assigned to the MiddleManager with the most available capacity at the time the task begins running. This is
+useful if you want work evenly distributed across your MiddleManagers.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -1120,10 +1120,10 @@ useful if you want work evenly distributed across your middleManagers.</p>
</table>
<h6><a class="anchor" aria-hidden="true" id="fill-capacity"></a><a href="#fill-capacity" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
<p>Tasks are assigned to the worker with the most currently-running tasks at the time the task begins running. This is
-useful in situations where you are elastically auto-scaling middleManagers, since it will tend to pack some full and
+useful in situations where you are elastically auto-scaling MiddleManagers, since it will tend to pack some full and
leave others empty. The empty ones can be safely terminated.</p>
<p>Note that if <code>druid.indexer.runner.pendingTasksRunnerNumThreads</code> is set to <em>N</em> > 1, then this strategy will fill <em>N</em>
-middleManagers up to capacity simultaneously, rather than a single middleManager.</p>
+MiddleManagers up to capacity simultaneously, rather than a single MiddleManager.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
@@ -1134,11 +1134,11 @@ middleManagers up to capacity simultaneously, rather than a single middleManager
</tbody>
</table>
<p><a name="javascript-worker-select-strategy"></a></p>
-<h6><a class="anchor" aria-hidden="true" id="javascript-1"></a><a href="#javascript-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h6><a class="anchor" aria-hidden="true" id="javascript-1"></a><a href="#javascript-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Allows defining arbitrary logic for selecting workers to run task using a JavaScript function.
The function is passed remoteTaskRunnerConfig, map of workerId to available workers and task to be executed and returns the workerId on which the task should be run or null if the task cannot be run.
It can be used for rapid development of missing features where the worker selection logic is to be changed or tuned often.
-If the selection logic is quite complex and cannot be easily tested in javascript environment,
+If the selection logic is quite complex and cannot be easily tested in JavaScript environment,
its better to write a druid extension module with extending current worker selection strategies written in java.</p>
<table>
<thead>
@@ -1146,7 +1146,7 @@ its better to write a druid extension module with extending current worker selec
</thead>
<tbody>
<tr><td><code>type</code></td><td><code>javascript</code>.</td><td>required; must be <code>javascript</code></td></tr>
-<tr><td><code>function</code></td><td>String representing javascript function</td><td></td></tr>
+<tr><td><code>function</code></td><td>String representing JavaScript function</td><td></td></tr>
</tbody>
</table>
<p>Example: a function that sends batch_index_task to workers 10.0.0.1 and 10.0.0.2 and all other tasks to other available workers.</p>
@@ -1166,8 +1166,8 @@ field. If not provided, the default is to not use affinity at all.</p>
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>affinity</code></td><td>JSON object mapping a datasource String name to a list of indexing service middleManager host:port String values. Druid doesn't perform DNS resolution, so the 'host' value must match what is configured on the middleManager and what the middleManager announces itself as (examine the Overlord logs to see what your middleManager announces itself as).</td><td>{}</td></tr>
-<tr><td><code>strong</code></td><td>With weak affinity (the default), tasks for a dataSource may be assigned to other middleManagers if their affinity-mapped middleManagers are not able to run all pending tasks in the queue for that dataSource. With strong affinity, tasks for a dataSource will only ever be assigned to their affinity-mapped middleManagers, and will wait in the pending queue if necessary.</td><td>false</td></tr>
+<tr><td><code>affinity</code></td><td>JSON object mapping a datasource String name to a list of indexing service MiddleManager host:port String values. Druid doesn't perform DNS resolution, so the 'host' value must match what is configured on the MiddleManager and what the MiddleManager announces itself as (examine the Overlord logs to see what your MiddleManager announces itself as).</td><td>{}</td></tr>
+<tr><td><code>strong</code></td><td>With weak affinity (the default), tasks for a dataSource may be assigned to other MiddleManagers if their affinity-mapped MiddleManagers are not able to run all pending tasks in the queue for that dataSource. With strong affinity, tasks for a dataSource will only ever be assigned to their affinity-mapped MiddleManagers, and will wait in the pending queue if necessary.</td><td>false</td></tr>
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="autoscaler"></a><a href="#autoscaler" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
@@ -1214,11 +1214,11 @@ field. If not provided, the default is to not use affinity at all.</p>
<tr><td><code>druid.indexer.runner.classpath</code></td><td>Java classpath for the peon.</td><td>System.getProperty("java.class.path")</td></tr>
<tr><td><code>druid.indexer.runner.javaCommand</code></td><td>Command required to execute java.</td><td>java</td></tr>
<tr><td><code>druid.indexer.runner.javaOpts</code></td><td><em>DEPRECATED</em> A string of -X Java options to pass to the peon's JVM. Quotable parameters or parameters with spaces are encouraged to use javaOptsArray</td><td>""</td></tr>
-<tr><td><code>druid.indexer.runner.javaOptsArray</code></td><td>A json array of strings to be passed in as options to the peon's jvm. This is additive to javaOpts and is recommended for properly handling arguments which contain quotes or spaces like <code>["-XX:OnOutOfMemoryError=kill -9 %p"]</code></td><td><code>[]</code></td></tr>
+<tr><td><code>druid.indexer.runner.javaOptsArray</code></td><td>A JSON array of strings to be passed in as options to the peon's JVM. This is additive to javaOpts and is recommended for properly handling arguments which contain quotes or spaces like <code>["-XX:OnOutOfMemoryError=kill -9 %p"]</code></td><td><code>[]</code></td></tr>
<tr><td><code>druid.indexer.runner.maxZnodeBytes</code></td><td>The maximum size Znode in bytes that can be created in Zookeeper.</td><td>524288</td></tr>
<tr><td><code>druid.indexer.runner.startPort</code></td><td>Starting port used for peon processes, should be greater than 1023 and less than 65536.</td><td>8100</td></tr>
<tr><td><code>druid.indexer.runner.endPort</code></td><td>Ending port used for peon processes, should be greater than or equal to <code>druid.indexer.runner.startPort</code> and less than 65536.</td><td>65535</td></tr>
-<tr><td><code>druid.indexer.runner.ports</code></td><td>A json array of integers to specify ports that used for peon processes. If provided and non-empty, ports for peon processes will be chosen from these ports. And <code>druid.indexer.runner.startPort/druid.indexer.runner.endPort</code> will be completely ignored.</td><td><code>[]</code></td></tr>
+<tr><td><code>druid.indexer.runner.ports</code></td><td>A JSON array of integers to specify ports that used for peon processes. If provided and non-empty, ports for peon processes will be chosen from these ports. And <code>druid.indexer.runner.startPort/druid.indexer.runner.endPort</code> will be completely ignored.</td><td><code>[]</code></td></tr>
<tr><td><code>druid.worker.ip</code></td><td>The IP of the worker.</td><td>localhost</td></tr>
<tr><td><code>druid.worker.version</code></td><td>Version identifier for the MiddleManager.</td><td>0</td></tr>
<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the MiddleManager can accept.</td><td>Number of available processors - 1</td></tr>
@@ -1279,7 +1279,7 @@ ensure at least this amount of direct memory is available by providing <code>-XX
<tr><td><code>druid.indexer.task.directoryLockTimeout</code></td><td>Wait this long for zombie peons to exit before giving up on their replacements.</td><td>PT10M</td></tr>
<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on middleManager restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
-<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, middleManagers will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, MiddleManagers will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
<tr><td><code>druid.indexer.server.maxChatRequests</code></td><td>Maximum number of concurrent requests served by a task's chat handler. Set to 0 to disable limiting.</td><td>0</td></tr>
</tbody>
</table>
@@ -1295,10 +1295,10 @@ ensure at least this amount of direct memory is available by providing <code>-XX
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="segmentwriteoutmediumfactory"></a><a href="#segmentwriteoutmediumfactory" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
-<p>When new segments are created, Druid temporarily stores some pre-processed data in some buffers. Currently two types of
+<p>When new segments are created, Druid temporarily stores some preprocessed data in some buffers. Currently two types of
<em>medium</em> exist for those buffers: <em>temporary files</em> and <em>off-heap memory</em>.</p>
<p><em>Temporary files</em> (<code>tmpFile</code>) are stored under the task working directory (see <code>druid.indexer.task.baseTaskDir</code>
-configuration above) and thus share it's mounting properies, e. g. they could be backed by HDD, SSD or memory (tmpfs).
+configuration above) and thus share it's mounting properties, e. g. they could be backed by HDD, SSD or memory (tmpfs).
This type of medium may do unnecessary disk I/O and requires some disk space to be available.</p>
<p><em>Off-heap memory medium</em> (<code>offHeapMemory</code>) creates buffers in off-heap memory of a JVM process that is running a task.
This type of medium is preferred, but it may require to allow the JVM to have more off-heap memory, by changing
@@ -1617,15 +1617,15 @@ line.</p>
<tr><td><code>druid.sql.avatica.maxStatementsPerConnection</code></td><td>Maximum number of simultaneous open statements per Avatica client connection.</td><td>1</td></tr>
<tr><td><code>druid.sql.avatica.connectionIdleTimeout</code></td><td>Avatica client connection idle timeout.</td><td>PT5M</td></tr>
<tr><td><code>druid.sql.http.enable</code></td><td>Whether to enable JSON over HTTP querying at <code>/druid/v2/sql/</code>.</td><td>true</td></tr>
-<tr><td><code>druid.sql.planner.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its SQL metadata view to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.broker.segment.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the Broker will wait for its SQL metadata view to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.broker.segment.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.maxQueryCount</code></td><td>Maximum number of queries to issue, including nested queries. Set to 1 to disable sub-queries, or set to 0 for unlimited.</td><td>8</td></tr>
<tr><td><code>druid.sql.planner.maxSemiJoinRowsInMemory</code></td><td>Maximum number of rows to keep in memory for executing two-stage semi-join queries like <code>SELECT * FROM Employee WHERE DeptName IN (SELECT DeptName FROM Dept)</code>.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.maxTopNLimit</code></td><td>Maximum threshold for a <a href="/docs/latest/querying/topnquery.html">TopN query</a>. Higher limits will be planned as <a href="/docs/latest/querying/groupbyquery.html">GroupBy queries</a> instead.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.metadataRefreshPeriod</code></td><td>Throttle for metadata refreshes.</td><td>PT1M</td></tr>
<tr><td><code>druid.sql.planner.selectThreshold</code></td><td>Page size threshold for <a href="/docs/latest/querying/select-query.html">Select queries</a>. Select queries for larger resultsets will be issued back-to-back using pagination.</td><td>1000</td></tr>
-<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinalty algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinality algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.useApproximateTopN</code></td><td>Whether to use approximate <a href="/docs/latest/querying/topnquery.html">TopN queries</a> when a SQL query could be expressed as such. If false, exact <a href="/docs/latest/querying/groupbyquery.html">GroupBy queries</a> will be used instead.</td><td>true</td></tr>
-<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries wihout filter condition on __time column will fail</td><td>false</td></tr>
+<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries without filter condition on __time column will fail</td><td>false</td></tr>
<tr><td><code>druid.sql.planner.sqlTimeZone</code></td><td>Sets the default time zone for the server, which will affect how time functions and timestamp literals behave. Should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td><td>UTC</td></tr>
<tr><td><code>druid.sql.planner.serializeComplexValues</code></td><td>Whether to serialize "complex" output values, false will return the class name instead of the serialized value.</td><td>true</td></tr>
</tbody>
@@ -1657,14 +1657,14 @@ line.</p>
<tr><td><code>druid.serverview.type</code></td><td>batch or http</td><td>Segment discovery method to use. "http" enables discovering segments using HTTP instead of zookeeper.</td><td>batch</td></tr>
<tr><td><code>druid.broker.segment.watchedTiers</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of tiers. By default, Broker would consider all tiers. This can be used to partition your dataSources in specific Historical tiers and configure brokers in partitions so that they are only qu [...]
<tr><td><code>druid.broker.segment.watchedDataSources</code></td><td>List of strings</td><td>Broker watches the segment announcements from processes serving segments to build cache of which process is serving which segments, this configuration allows to only consider segments being served from a whitelist of dataSources. By default, Broker would consider all datasources. This can be used to configure brokers in partitions so that they are only queryable for specific dataSources.</td><td> [...]
-<tr><td><code>druid.broker.segment.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the the Broker will wait for its view of segments to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.sql.planner.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
+<tr><td><code>druid.broker.segment.awaitInitializationOnStart</code></td><td>Boolean</td><td>Whether the Broker will wait for its view of segments to fully initialize before starting up. If set to 'true', the Broker's HTTP server will not start up, and the Broker will not announce itself as available, until the server view is initialized. See also <code>druid.sql.planner.awaitInitializationOnStart</code>, a related setting.</td><td>true</td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="cache-configuration"></a><a href="#cache-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>This section describes caching configuration that is common to Broker, Historical, and MiddleManager/Peon processes.</p>
-<p>Caching can optionally be enabled on the Broker, Historical, and MiddleManager/Peon processses. See <a href="#broker-caching">Broker</a>,
+<p>Caching can optionally be enabled on the Broker, Historical, and MiddleManager/Peon processes. See <a href="#broker-caching">Broker</a>,
<a href="#historical-caching">Historical</a>, and <a href="#peon-caching">Peon</a> configuration options for how to enable it for different processes.</p>
-<p>Druid uses a local in-memory cache by default, unless a diffrent type of cache is specified.
+<p>Druid uses a local in-memory cache by default, unless a different type of cache is specified.
Use the <code>druid.cache.type</code> configuration to set a different kind of cache.</p>
<p>Cache settings are set globally, so the same configuration can be re-used
for both Broker and Historical processes, when defined in the common properties file.</p>
@@ -1849,7 +1849,7 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>druid.query.groupBy.bufferGrouperInitialBuckets</code></td><td>Initial number of buckets in the off-heap hash table used for grouping results. Set to 0 to use a reasonable default (1024).</td><td>0</td></tr>
<tr><td><code>druid.query.groupBy.bufferGrouperMaxLoadFactor</code></td><td>Maximum load factor of the off-heap hash table used for grouping results. When the load factor exceeds this size, the table will be grown or spilled to disk. Set to 0 to use a reasonable default (0.7).</td><td>0</td></tr>
<tr><td><code>druid.query.groupBy.forceHashAggregation</code></td><td>Force to use hash-based aggregation.</td><td>false</td></tr>
-<tr><td><code>druid.query.groupBy.intermediateCombineDegree</code></td><td>Number of intermediate processes combined together in the combining tree. Higher degrees will need less threads which might be helpful to improve the query performance by reducing the overhead of too many threads if the server has sufficiently powerful cpu cores.</td><td>8</td></tr>
+<tr><td><code>druid.query.groupBy.intermediateCombineDegree</code></td><td>Number of intermediate processes combined together in the combining tree. Higher degrees will need less threads which might be helpful to improve the query performance by reducing the overhead of too many threads if the server has sufficiently powerful CPU cores.</td><td>8</td></tr>
<tr><td><code>druid.query.groupBy.numParallelCombineThreads</code></td><td>Hint for the number of parallel combining threads. This should be larger than 1 to turn on the parallel combining feature. The actual number of threads used for parallel combining is min(<code>druid.query.groupBy.numParallelCombineThreads</code>, <code>druid.processing.numThreads</code>).</td><td>1 (disabled)</td></tr>
</tbody>
</table>
@@ -1916,7 +1916,7 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>Please see <a href="../design/router.html#router-strategies">Router Strategies</a> for details.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name. Please see <a href="../design/router.html#avatica-query-balancing">Avatica Query Balancing</a></td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
-<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to at least the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
<tr><td><code>druid.router.managementProxy.enabled</code></td><td>Enables the Router's <a href="../design/router.html#router-as-management-proxy">management proxy</a> functionality.</td><td>false</td></tr>
</tbody>
</table>
diff --git a/docs/latest/configuration/logging.html b/docs/latest/configuration/logging.html
index fa2185f..8de66c9 100644
--- a/docs/latest/configuration/logging.html
+++ b/docs/latest/configuration/logging.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/ingestion/stream-pull.md b/docs/latest/configuration/realtime.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/stream-pull.md
rename to docs/latest/configuration/realtime.html
diff --git a/docs/0.16.0-incubating/dependencies/cassandra-deep-storage.md b/docs/latest/dependencies/cassandra-deep-storage.html
similarity index 100%
rename from docs/0.16.0-incubating/dependencies/cassandra-deep-storage.md
rename to docs/latest/dependencies/cassandra-deep-storage.html
diff --git a/docs/latest/dependencies/deep-storage.html b/docs/latest/dependencies/deep-storage.html
index 804b79b..5055fdb 100644
--- a/docs/latest/dependencies/deep-storage.html
+++ b/docs/latest/dependencies/deep-storage.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/dependencies/metadata-storage.html b/docs/latest/dependencies/metadata-storage.html
index ca27f70..ad6f489 100644
--- a/docs/latest/dependencies/metadata-storage.html
+++ b/docs/latest/dependencies/metadata-storage.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -98,7 +98,7 @@ because there is no way to restore if you lose any metadata.</p>
<h2><a class="anchor" aria-hidden="true" id="postgresql"></a><a href="#postgresql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>See <a href="/docs/latest/development/extensions-core/postgresql.html">postgresql-metadata-storage</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="adding-custom-dbcp-properties"></a><a href="#adding-custom-dbcp-properties" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>NOTE: These properties are not settable through the druid.metadata.storage.connector.dbcp properties : username, password, connectURI, validationQuery, testOnBorrow. These must be set through druid.metadata.storage.connector properties.</p>
+<p>NOTE: These properties are not settable through the <code>druid.metadata.storage.connector.dbcp properties</code>: <code>username</code>, <code>password</code>, <code>connectURI</code>, <code>validationQuery</code>, <code>testOnBorrow</code>. These must be set through <code>druid.metadata.storage.connector</code> properties.</p>
<p>Example supported properties:</p>
<pre><code class="hljs css language-properties"><span class="hljs-meta">druid.metadata.storage.connector.dbcp.maxConnLifetimeMillis</span>=<span class="hljs-string">1200000</span>
<span class="hljs-meta">druid.metadata.storage.connector.dbcp.defaultQueryTimeout</span>=<span class="hljs-string">30000</span>
@@ -113,7 +113,7 @@ determine the set of segments that should be available for querying in the
system. The table has two main functional columns, the other columns are for
indexing purposes.</p>
<p>The <code>used</code> column is a boolean "tombstone". A 1 means that the segment should
-be "used" by the cluster (i.e. it should be loaded and available for requests).
+be "used" by the cluster (i.e., it should be loaded and available for requests).
A 0 means that the segment should not be actively loaded into the cluster. We
do this as a means of removing segments from the cluster without actually
removing their metadata (which allows for simpler rolling back if that is ever
@@ -159,5 +159,5 @@ config changes.</p>
<li>Realtime Processes (if any)</li>
<li>Coordinator Processes</li>
</ol>
-<p>Thus you need to give permissions (eg in AWS Security Groups) only for these machines to access the Metadata storage.</p>
+<p>Thus you need to give permissions (e.g., in AWS Security Groups) only for these machines to access the Metadata storage.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/dependencies/deep-storage.html"><span class="arrow-prev">← </span><span>Deep storage</span></a><a class="docs-next button" href="/docs/latest/dependencies/zookeeper.html"><span class="function-name-prevnext">ZooKeeper</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#using-derby">Using Derby</a></li><li><a href="# [...]
\ No newline at end of file
diff --git a/docs/latest/dependencies/zookeeper.html b/docs/latest/dependencies/zookeeper.html
index 3ef30d6..f42851b 100644
--- a/docs/latest/dependencies/zookeeper.html
+++ b/docs/latest/dependencies/zookeeper.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/design/architecture.html b/docs/latest/design/architecture.html
index f7f9b03..40769d4 100644
--- a/docs/latest/design/architecture.html
+++ b/docs/latest/design/architecture.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -96,7 +96,7 @@ design also provides enhanced fault tolerance: an outage of one component will n
<li><strong>Query</strong>: Runs Broker and optional Router processes, handles queries from external clients.</li>
<li><strong>Data</strong>: Runs Historical and MiddleManager processes, executes ingestion workloads and stores all queryable data.</li>
</ul>
-<p>For more details on process and server organization, please see <a href="/docs/latest/design/processes.html">Druid Processses and Servers</a>.</p>
+<p>For more details on process and server organization, please see <a href="/docs/latest/design/processes.html">Druid Processes and Servers</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="external-dependencies"></a><a href="#external-dependencies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>In addition to its built-in process types, Druid also has three external dependencies. These are intended to be able to
leverage existing infrastructure, where present.</p>
@@ -106,7 +106,7 @@ be a distributed object store like S3 or HDFS, or a network mounted filesystem.
this is typically going to be local disk. Druid uses deep storage to store any data that has been ingested into the
system.</p>
<p>Druid uses deep storage only as a backup of your data and as a way to transfer data in the background between
-Druid processes. To respond to queries, Historical processes do not read from deep storage, but instead read pre-fetched
+Druid processes. To respond to queries, Historical processes do not read from deep storage, but instead read prefetched
segments from their local disks before any queries are served. This means that Druid never needs to access deep storage
during a query, helping it offer the best query latencies possible. It also means that you must have enough disk space
both in deep storage and across your Historical processes for the data you plan to load.</p>
diff --git a/docs/latest/design/auth.html b/docs/latest/design/auth.html
index 135fe00..609efee 100644
--- a/docs/latest/design/auth.html
+++ b/docs/latest/design/auth.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -87,13 +87,13 @@
<tr><td><code>druid.escalator.type</code></td><td>String</td><td>Type of the Escalator that should be used for internal Druid communications. This Escalator must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>.</td><td>"noop"</td><td>no</td></tr>
<tr><td><code>druid.auth.authorizers</code></td><td>JSON List of Strings</td><td>List of Authorizer type names</td><td>["allowAll"]</td><td>no</td></tr>
<tr><td><code>druid.auth.unsecuredPaths</code></td><td>List of Strings</td><td>List of paths for which security checks will not be performed. All requests to these paths will be allowed.</td><td>[]</td><td>no</td></tr>
-<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS pre-flight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information abou [...]
+<tr><td><code>druid.auth.allowUnauthenticatedHttpOptions</code></td><td>Boolean</td><td>If true, skip authentication checks for HTTP OPTIONS requests. This is needed for certain use cases, such as supporting CORS preflight requests. Note that disabling authentication checks for OPTIONS requests will allow unauthenticated users to determine what Druid endpoints are valid (by checking if the OPTIONS request returns a 200 instead of 404), so enabling this option may reveal information about [...]
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="enabling-authentication-authorizationloadinglookuptest"></a><a href="#enabling-authentication-authorizationloadinglookuptest" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 [...]
<h2><a class="anchor" aria-hidden="true" id="authenticator-chain"></a><a href="#authenticator-chain" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>Authentication decisions are handled by a chain of Authenticator instances. A request will be checked by Authenticators in the sequence defined by the <code>druid.auth.authenticatorChain</code>.</p>
-<p>Authenticator implementions are provided by extensions.</p>
+<p>Authenticator implementations are provided by extensions.</p>
<p>For example, the following authentication chain definition enables the Kerberos and HTTP Basic authenticators, from the <code>druid-kerberos</code> and <code>druid-basic-security</code> core extensions, respectively:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-class">.authenticatorChain</span>=[<span class="hljs-string">"kerberos"</span>, <span class="hljs-string">"basic"</span>]
</code></pre>
@@ -126,7 +126,7 @@ the Anonymous Authenticator should be added to the end of the authentication cha
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="escalator"></a><a href="#escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
<p>The <code>druid.escalator.type</code> property determines what authentication scheme should be used for internal Druid cluster communications (such as when a Broker process communicates with Historical processes for query processing).</p>
-<p>The Escalator chosen for this property must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>. Authenticator extension implementors must also provide a corresponding Escalator implementation if they intend to use a particular authentication scheme for internal Druid communications.</p>
+<p>The Escalator chosen for this property must use an authentication scheme that is supported by an Authenticator in <code>druid.auth.authenticationChain</code>. Authenticator extension implementers must also provide a corresponding Escalator implementation if they intend to use a particular authentication scheme for internal Druid communications.</p>
<h3><a class="anchor" aria-hidden="true" id="noop-escalator"></a><a href="#noop-escalator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>This built-in default Escalator is intended for use only with the default AllowAll Authenticator and Authorizer.</p>
<h2><a class="anchor" aria-hidden="true" id="authorizers"></a><a href="#authorizers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
diff --git a/docs/latest/design/broker.html b/docs/latest/design/broker.html
index b217772..1e1d8dd 100644
--- a/docs/latest/design/broker.html
+++ b/docs/latest/design/broker.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -91,6 +91,6 @@ On start up, Historical processes announce themselves and the segments they are
<p>Most Druid queries contain an interval object that indicates a span of time for which data is requested. Likewise, Druid <a href="/docs/latest/design/segments.html">Segments</a> are partitioned to contain data for some interval of time and segments are distributed across a cluster. Consider a simple datasource with 7 segments where each segment contains data for a given day of the week. Any query issued to the datasource for more than one day of data will hit more than one segment. Th [...]
<p>To determine which processes to forward queries to, the Broker process first builds a view of the world from information in Zookeeper. Zookeeper maintains information about <a href="/docs/latest/design/historical.html">Historical</a> and streaming ingestion <a href="/docs/latest/design/peons.html">Peon</a> processes and the segments they are serving. For every datasource in Zookeeper, the Broker process builds a timeline of segments and the processes that serve them. When queries are [...]
<h3><a class="anchor" aria-hidden="true" id="caching"></a><a href="#caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>Broker processes employ a cache with a LRU cache invalidation strategy. The Broker cache stores per-segment results. The cache can be local to each Broker process or shared across multiple processes using an external distributed cache such as <a href="http://memcached.org/">memcached</a>. Each time a broker process receives a query, it first maps the query to a set of segments. A subset of these segment results may already exist in the cache and the results can be directly pulled from [...]
+<p>Broker processes employ a cache with an LRU cache invalidation strategy. The Broker cache stores per-segment results. The cache can be local to each Broker process or shared across multiple processes using an external distributed cache such as <a href="http://memcached.org/">memcached</a>. Each time a broker process receives a query, it first maps the query to a set of segments. A subset of these segment results may already exist in the cache and the results can be directly pulled fro [...]
Historical processes. Once the Historical processes return their results, the Broker will store those results in the cache. Real-time segments are never cached and hence requests for real-time data will always be forwarded to real-time processes. Real-time data is perpetually changing and caching the results would be unreliable.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/auth.html"><span class="arrow-prev">← </span><span>Authentication and Authorization</span></a><a class="docs-next button" href="/docs/latest/design/coordinator.html"><span>Coordinator Process</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-c [...]
\ No newline at end of file
diff --git a/docs/latest/design/coordinator.html b/docs/latest/design/coordinator.html
index 7e8ab1b..e9436db 100644
--- a/docs/latest/design/coordinator.html
+++ b/docs/latest/design/coordinator.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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for (var i = 0; i < coll.length; i++) {
@@ -83,7 +83,7 @@
<p>For a list of API endpoints supported by the Coordinator, see <a href="../operations/api-reference.html#coordinator">Coordinator API</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>The Druid Coordinator process is primarily responsible for segment management and distribution. More specifically, the Druid Coordinator process communicates to Historical processes to load or drop segments based on configurations. The Druid Coordinator is responsible for loading new segments, dropping outdated segments, managing segment replication, and balancing segment load.</p>
-<p>The Druid Coordinator runs periodically and the time between each run is a configurable parameter. Each time the Druid Coordinator runs, it assesses the current state of the cluster before deciding on the appropriate actions to take. Similar to the Broker and Historical processses, the Druid Coordinator maintains a connection to a Zookeeper cluster for current cluster information. The Coordinator also maintains a connection to a database containing information about available segments [...]
+<p>The Druid Coordinator runs periodically and the time between each run is a configurable parameter. Each time the Druid Coordinator runs, it assesses the current state of the cluster before deciding on the appropriate actions to take. Similar to the Broker and Historical processes, the Druid Coordinator maintains a connection to a Zookeeper cluster for current cluster information. The Coordinator also maintains a connection to a database containing information about available segments [...]
<p>Before any unassigned segments are serviced by Historical processes, the available Historical processes for each tier are first sorted in terms of capacity, with least capacity servers having the highest priority. Unassigned segments are always assigned to the processes with least capacity to maintain a level of balance between processes. The Coordinator does not directly communicate with a historical process when assigning it a new segment; instead the Coordinator creates some tempor [...]
<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>coordinator
@@ -114,8 +114,8 @@ See <a href="../operations/api-reference.html#compaction-configuration">Compacti
<h3><a class="anchor" aria-hidden="true" id="segment-search-policy"></a><a href="#segment-search-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<h4><a class="anchor" aria-hidden="true" id="newest-segment-first-policy"></a><a href="#newest-segment-first-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>At every coordinator run, this policy searches for segments to compact by iterating segments from the latest to the oldest.
-Once it finds the latest segment among all dataSources, it checks if the segment is <em>compactible</em> with other segments of the same dataSource which have the same or abutting intervals.
-Note that segments are compactible if their total size is smaller than or equal to the configured <code>inputSegmentSizeBytes</code>.</p>
+Once it finds the latest segment among all dataSources, it checks if the segment is <em>compactable</em> with other segments of the same dataSource which have the same or abutting intervals.
+Note that segments are compactable if their total size is smaller than or equal to the configured <code>inputSegmentSizeBytes</code>.</p>
<p>Here are some details with an example. Let us assume we have two dataSources (<code>foo</code>, <code>bar</code>)
and 5 segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>, <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-08-01T00:00:00.000Z_2017-09-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-09-01T00:00:00.000Z_2017-10-01T00:00:00.000Z_VERSION</code>, <code>bar_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code>).
When each segment has the same size of 10 MB and <code>inputSegmentSizeBytes</code> is 20 MB, this policy first returns two segments (<code>foo_2017-10-01T00:00:00.000Z_2017-11-01T00:00:00.000Z_VERSION</code> and <code>foo_2017-11-01T00:00:00.000Z_2017-12-01T00:00:00.000Z_VERSION</code>) to compact together because
diff --git a/docs/latest/design/historical.html b/docs/latest/design/historical.html
index 83fe8b2..7218357 100644
--- a/docs/latest/design/historical.html
+++ b/docs/latest/design/historical.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/design/index.html b/docs/latest/design/index.html
index 6a88e14..4c64ef6 100644
--- a/docs/latest/design/index.html
+++ b/docs/latest/design/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/design/indexer.html b/docs/latest/design/indexer.html
index 0d88f38..b356771 100644
--- a/docs/latest/design/indexer.html
+++ b/docs/latest/design/indexer.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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diff --git a/docs/latest/design/indexing-service.html b/docs/latest/design/indexing-service.html
index 82f7cc4..41ec970 100644
--- a/docs/latest/design/indexing-service.html
+++ b/docs/latest/design/indexing-service.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/design/middlemanager.html b/docs/latest/design/middlemanager.html
index 7dcb76e..89aae63 100644
--- a/docs/latest/design/middlemanager.html
+++ b/docs/latest/design/middlemanager.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -78,7 +78,7 @@
~ under the License.
-->
<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>For Apache Druid (incubating) Middlemanager Process Configuration, see <a href="../configuration/index.html#middlemanager-and-peons">Indexing Service Configuration</a>.</p>
+<p>For Apache Druid (incubating) MiddleManager Process Configuration, see <a href="../configuration/index.html#middlemanager-and-peons">Indexing Service Configuration</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>For a list of API endpoints supported by the MiddleManager, please see the <a href="../operations/api-reference.html#middlemanager">API reference</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="overview"></a><a href="#overview" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
diff --git a/docs/latest/design/overlord.html b/docs/latest/design/overlord.html
index b167641..cceb666 100644
--- a/docs/latest/design/overlord.html
+++ b/docs/latest/design/overlord.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -90,7 +90,7 @@ This mode is recommended if you intend to use the indexing service as the single
<p>The Overlord provides a UI for managing tasks and workers. For more details, please see <a href="../operations/management-uis.html#overlord-console">overlord console</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="blacklisted-workers"></a><a href="#blacklisted-workers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>If a MiddleManager has task failures above a threshold, the Overlord will blacklist these MiddleManagers. No more than 20% of the MiddleManagers can be blacklisted. Blacklisted MiddleManagers will be periodically whitelisted.</p>
-<p>The following vairables can be used to set the threshold and blacklist timeouts.</p>
+<p>The following variables can be used to set the threshold and blacklist timeouts.</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.maxRetriesBeforeBlacklist</span>
druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListBackoffTime</span>
druid<span class="hljs-selector-class">.indexer</span><span class="hljs-selector-class">.runner</span><span class="hljs-selector-class">.workerBlackListCleanupPeriod</span>
diff --git a/docs/latest/design/peons.html b/docs/latest/design/peons.html
index 64385b8..60fbd2b 100644
--- a/docs/latest/design/peons.html
+++ b/docs/latest/design/peons.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -89,4 +89,4 @@ Peons should rarely (if ever for testing purposes) be run on their own.</p>
</code></pre>
<p>The task file contains the task JSON object.
The status file indicates where the task status will be output.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/router.html"><span class="arrow-prev">← </span><span>Router Process</span></a><a class="docs-next button" href="/docs/latest/development/integrating-druid-with-other-technologies.html"><span>Integrating with other technologies</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div c [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/router.html"><span class="arrow-prev">← </span><span>Router Process</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/approximate-histograms.html"><span>Approximate Histogram aggregators</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class= [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/design/realtime.md b/docs/latest/design/plumber.html
similarity index 100%
rename from docs/0.16.0-incubating/design/realtime.md
rename to docs/latest/design/plumber.html
diff --git a/docs/latest/design/processes.html b/docs/latest/design/processes.html
index c17441a..e7cee08 100644
--- a/docs/latest/design/processes.html
+++ b/docs/latest/design/processes.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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diff --git a/docs/0.16.0-incubating/design/plumber.md b/docs/latest/design/realtime.html
similarity index 100%
rename from docs/0.16.0-incubating/design/plumber.md
rename to docs/latest/design/realtime.html
diff --git a/docs/latest/design/router.html b/docs/latest/design/router.html
index b20d873..c7b6b90 100644
--- a/docs/latest/design/router.html
+++ b/docs/latest/design/router.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -164,7 +164,7 @@ processes, so explicit routing needs to be used to indicate the proxy destinatio
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=consistentHash
</code></pre>
-<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous hash [...]
+<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezvous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous has [...]
<h3><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
<p>JVM settings:</p>
diff --git a/docs/latest/design/segments.html b/docs/latest/design/segments.html
index 0263333..88e164f 100644
--- a/docs/latest/design/segments.html
+++ b/docs/latest/design/segments.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -207,7 +207,7 @@ datasource_intervalStart_intervalEnd_version_partitionNum</p>
<li>A Jackson-serialized ColumnDescriptor</li>
<li>The rest of the binary for the column</li>
</ol>
-<p>A ColumnDescriptor is essentially an object that allows us to use jackson’s polymorphic deserialization to add new and interesting methods of serialization with minimal impact to the code. It consists of some metadata about the column (what type is it, is it multi-value, etc.) and then a list of serde logic that can deserialize the rest of the binary.</p>
+<p>A ColumnDescriptor is essentially an object that allows us to use Jackson's polymorphic deserialization to add new and interesting methods of serialization with minimal impact to the code. It consists of some metadata about the column (what type is it, is it multi-value, etc.) and then a list of serialization/deserialization logic that can deserialize the rest of the binary.</p>
<h2><a class="anchor" aria-hidden="true" id="sharding-data-to-create-segments"></a><a href="#sharding-data-to-create-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<h3><a class="anchor" aria-hidden="true" id="sharding"></a><a href="#sharding" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>Multiple segments may exist for the same interval of time for the same datasource. These segments form a <code>block</code> for an interval.
diff --git a/docs/latest/development/build.html b/docs/latest/development/build.html
index 4054bd5..0bb10f8 100644
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diff --git a/docs/latest/development/experimental.html b/docs/latest/development/experimental.html
index b654595..40755e7 100644
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+++ b/docs/latest/development/experimental.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html b/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
index 063212f..6f89e03 100644
--- a/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
+++ b/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -131,7 +131,7 @@ druid.emitter.ambari-metrics.eventConverter={"type":"all", "namespacePrefix": "d
Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
-This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+This property is a String containing the path for the file containing <strong>white list map JSON object</strong>.
For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
<pre><code class="hljs css language-json">
druid.emitter.ambari-metrics.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "appName":"druid", "mapPath":"/pathPrefix/fileName.json"}
diff --git a/docs/latest/development/extensions-contrib/azure.html b/docs/latest/development/extensions-contrib/azure.html
index c117b93..1d748df 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-contrib/cassandra.html b/docs/latest/development/extensions-contrib/cassandra.html
index ae5ee3d..96916e2 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-contrib/cloudfiles.html b/docs/latest/development/extensions-contrib/cloudfiles.html
index 0da1f68..c453515 100644
--- a/docs/latest/development/extensions-contrib/cloudfiles.html
+++ b/docs/latest/development/extensions-contrib/cloudfiles.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -91,7 +91,7 @@
<tr><td><code>druid.storage.basePath</code></td><td></td><td>Rackspace Cloud Files base path to use in the container.</td><td>Must be set.</td></tr>
<tr><td><code>druid.storage.operationMaxRetries</code></td><td></td><td>Number of tries before cancel a Rackspace operation.</td><td>10</td></tr>
<tr><td><code>druid.cloudfiles.userName</code></td><td></td><td>Rackspace Cloud username</td><td>Must be set.</td></tr>
-<tr><td><code>druid.cloudfiles.apiKey</code></td><td></td><td>Rackspace Cloud api key.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.cloudfiles.apiKey</code></td><td></td><td>Rackspace Cloud API key.</td><td>Must be set.</td></tr>
<tr><td><code>druid.cloudfiles.provider</code></td><td>rackspace-cloudfiles-us,rackspace-cloudfiles-uk</td><td>Name of the provider depending on the region.</td><td>Must be set.</td></tr>
<tr><td><code>druid.cloudfiles.useServiceNet</code></td><td>true,false</td><td>Whether to use the internal service net.</td><td>true</td></tr>
</tbody>
@@ -101,7 +101,7 @@
<h4><a class="anchor" aria-hidden="true" id="staticcloudfilesfirehose"></a><a href="#staticcloudfilesfirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This firehose ingests events, similar to the StaticAzureBlobStoreFirehose, but from Rackspace's Cloud Files.</p>
<p>Data is newline delimited, with one JSON object per line and parsed as per the <code>InputRowParser</code> configuration.</p>
-<p>The storage account is shared with the one used for Racksapce's Cloud Files deep storage functionality, but blobs can be in a different region and container.</p>
+<p>The storage account is shared with the one used for Rackspace's Cloud Files deep storage functionality, but blobs can be in a different region and container.</p>
<p>As with the Azure blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/latest/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
diff --git a/docs/latest/development/extensions-contrib/distinctcount.html b/docs/latest/development/extensions-contrib/distinctcount.html
index 96efcdf..6addd89 100644
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diff --git a/docs/latest/development/extensions-contrib/graphite.html b/docs/latest/development/extensions-contrib/graphite.html
index e9d8913..5b92ba4 100644
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gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -141,7 +141,7 @@ druid.emitter.graphite.eventConverter={"type":"all", "namespacePrefix": "druid.t
Same as for the <code>all</code> converter user has control of <code><namespacePrefix>.[<druid service name>].[<druid hostname>].</code>
White-list based converter comes with the following default white list map located under resources in <code>./src/main/resources/defaultWhiteListMap.json</code></p>
<p>Although user can override the default white list map by supplying a property called <code>mapPath</code>.
-This property is a String containing the path for the file containing <strong>white list map Json object</strong>.
+This property is a String containing the path for the file containing <strong>white list map JSON object</strong>.
For example the following converter will read the map from the file <code>/pathPrefix/fileName.json</code>.</p>
<pre><code class="hljs css language-json">
druid.emitter.graphite.eventConverter={"type":"whiteList", "namespacePrefix": "druid.test", "ignoreHostname":true, "ignoreServiceName":true, "mapPath":"/pathPrefix/fileName.json"}
diff --git a/docs/latest/development/extensions-contrib/influx.html b/docs/latest/development/extensions-contrib/influx.html
index 29cbc27..366ed55 100644
--- a/docs/latest/development/extensions-contrib/influx.html
+++ b/docs/latest/development/extensions-contrib/influx.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-contrib/influxdb-emitter.html b/docs/latest/development/extensions-contrib/influxdb-emitter.html
index 93dfadf..d67846b 100644
--- a/docs/latest/development/extensions-contrib/influxdb-emitter.html
+++ b/docs/latest/development/extensions-contrib/influxdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -93,7 +93,7 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<tr><td><code>druid.emitter.influxdb.hostname</code></td><td>The hostname of the InfluxDB server.</td><td>Yes</td><td>N/A</td></tr>
<tr><td><code>druid.emitter.influxdb.port</code></td><td>The port of the InfluxDB server.</td><td>No</td><td>8086</td></tr>
<tr><td><code>druid.emitter.influxdb.databaseName</code></td><td>The name of the database in InfluxDB.</td><td>Yes</td><td>N/A</td></tr>
-<tr><td><code>druid.emitter.influxdb.maxQueueSize</code></td><td>The size of the queue that holds events.</td><td>No</td><td>Integer.Max_Value(=2^31-1)</td></tr>
+<tr><td><code>druid.emitter.influxdb.maxQueueSize</code></td><td>The size of the queue that holds events.</td><td>No</td><td>Integer.MAX_VALUE(=2^31-1)</td></tr>
<tr><td><code>druid.emitter.influxdb.flushPeriod</code></td><td>How often (in milliseconds) the events queue is parsed into Line Protocol and POSTed to InfluxDB.</td><td>No</td><td>60000</td></tr>
<tr><td><code>druid.emitter.influxdb.flushDelay</code></td><td>How long (in milliseconds) the scheduled method will wait until it first runs.</td><td>No</td><td>60000</td></tr>
<tr><td><code>druid.emitter.influxdb.influxdbUserName</code></td><td>The username for authenticating with the InfluxDB database.</td><td>Yes</td><td>N/A</td></tr>
@@ -105,7 +105,7 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<p>An example of how this emitter parses a Druid metric event into InfluxDB's <a href="https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_reference/">line protocol</a> is given here:</p>
<p>The syntax of the line protocol is :</p>
<p><code><measurement>[,<tag_key>=<tag_value>[,<tag_key>=<tag_value>]] <field_key>=<field_value>[,<field_key>=<field_value>] [<timestamp>]</code></p>
-<p>where timestamp is in nano-seconds since epoch.</p>
+<p>where timestamp is in nanoseconds since epoch.</p>
<p>A typical service metric event as recorded by Druid's logging emitter is: <code>Event [{"feed":"metrics","timestamp":"2017-10-31T09:09:06.857Z","service":"druid/historical","host":"historical001:8083","version":"0.11.0-SNAPSHOT","metric":"query/cache/total/hits","value":34787256}]</code>.</p>
<p>This event is parsed into line protocol according to these rules:</p>
<ul>
@@ -116,5 +116,5 @@ and POSTed to the InfluxDB HTTP API. The entire queue is flushed at this point.
<p>This gives the following String which can be POSTed to InfluxDB: <code>"druid_query,service=druid/historical,hostname=historical001,metric=druid_cache_total druid_hits=34787256 1509440946857000000"</code></p>
<p>The InfluxDB emitter has a white list of dimensions
which will be added as a tag to the line protocol string if the metric has a dimension from the white list.
-The value of the dimension is sanitized such that every occurence of a dot or whitespace is replaced with a <code>_</code> .</p>
+The value of the dimension is sanitized such that every occurrence of a dot or whitespace is replaced with a <code>_</code> .</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/influx.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">InfluxDB Line Protocol Parser</span></a><a class="docs-next button" href="/docs/latest/development/extensions-contrib/kafka-emitter.html"><span>Kafka Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-contrib/kafka-emitter.html b/docs/latest/development/extensions-contrib/kafka-emitter.html
index 80a1163..0515493 100644
--- a/docs/latest/development/extensions-contrib/kafka-emitter.html
+++ b/docs/latest/development/extensions-contrib/kafka-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-eight-firehose.md b/docs/latest/development/extensions-contrib/kafka-simple.html
similarity index 100%
rename from docs/0.16.0-incubating/development/extensions-core/kafka-eight-firehose.md
rename to docs/latest/development/extensions-contrib/kafka-simple.html
diff --git a/docs/latest/development/extensions-contrib/materialized-view.html b/docs/latest/development/extensions-contrib/materialized-view.html
index 43d39c1..9e97368 100644
--- a/docs/latest/development/extensions-contrib/materialized-view.html
+++ b/docs/latest/development/extensions-contrib/materialized-view.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -77,10 +77,10 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<p>To use this Apache Druid (incubating) feature, make sure to only load <code>materialized-view-selection</code> on Broker and load <code>materialized-view-maintenance</code> on Overlord. In addtion, this feature currently requires a Hadoop cluster.</p>
+<p>To use this Apache Druid (incubating) feature, make sure to only load <code>materialized-view-selection</code> on Broker and load <code>materialized-view-maintenance</code> on Overlord. In addition, this feature currently requires a Hadoop cluster.</p>
<p>This feature enables Druid to greatly improve the query performance, especially when the query dataSource has a very large number of dimensions but the query only required several dimensions. This feature includes two parts. One is <code>materialized-view-maintenance</code>, and the other is <code>materialized-view-selection</code>.</p>
<h2><a class="anchor" aria-hidden="true" id="materialized-view-maintenance"></a><a href="#materialized-view-maintenance" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>In materialized-view-maintenance, dataSouces user ingested are called "base-dataSource". For each base-dataSource, we can submit <code>derivativeDataSource</code> supervisors to create and maintain other dataSources which we called "derived-dataSource". The deminsions and metrics of derived-dataSources are the subset of base-dataSource's.
+<p>In materialized-view-maintenance, dataSources user ingested are called "base-dataSource". For each base-dataSource, we can submit <code>derivativeDataSource</code> supervisors to create and maintain other dataSources which we called "derived-dataSource". The dimensions and metrics of derived-dataSources are the subset of base-dataSource's.
The <code>derivativeDataSource</code> supervisor is used to keep the timeline of derived-dataSource consistent with base-dataSource. Each <code>derivativeDataSource</code> supervisor is responsible for one derived-dataSource.</p>
<p>A sample derivativeDataSource supervisor spec is shown below:</p>
<pre><code class="hljs css language-json"> {
@@ -126,7 +126,7 @@ The <code>derivativeDataSource</code> supervisor is used to keep the timeline of
<tr><td>tuningConfig</td><td>TuningConfig must be HadoopTuningConfig. See <a href="../../ingestion/hadoop.html#tuningconfig">Hadoop tuning config</a>.</td><td>yes</td></tr>
<tr><td>dataSource</td><td>The name of this derived dataSource.</td><td>no(default=baseDataSource-hashCode of supervisor)</td></tr>
<tr><td>hadoopDependencyCoordinates</td><td>A JSON array of Hadoop dependency coordinates that Druid will use, this property will override the default Hadoop coordinates. Once specified, Druid will look for those Hadoop dependencies from the location specified by druid.extensions.hadoopDependenciesDir</td><td>no</td></tr>
-<tr><td>classpathPrefix</td><td>Classpath that will be pre-appended for the Peon process.</td><td>no</td></tr>
+<tr><td>classpathPrefix</td><td>Classpath that will be prepended for the Peon process.</td><td>no</td></tr>
<tr><td>context</td><td>See below.</td><td>no</td></tr>
</tbody>
</table>
diff --git a/docs/latest/development/extensions-contrib/momentsketch-quantiles.html b/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
index 87c4ee5..4728a1c 100644
--- a/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
+++ b/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -84,7 +84,7 @@ The momentsketch provides coarse quantile estimates with less space and aggregat
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="aggregator"></a><a href="#aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>The result of the aggregation is a momentsketch that is the union of all sketches either built from raw data or read from the segments.</p>
-<p>The <code>momentSketch</code> aggregator operates over raw data while the <code>momentSketchMerge</code> aggregator should be used when aggregating pre-computed sketches.</p>
+<p>The <code>momentSketch</code> aggregator operates over raw data while the <code>momentSketchMerge</code> aggregator should be used when aggregating precomputed sketches.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <aggregator_type>,
<span class="hljs-attr">"name"</span> : <output_name>,
diff --git a/docs/latest/development/extensions-contrib/moving-average-query.html b/docs/latest/development/extensions-contrib/moving-average-query.html
index 0c17fb7..dd8b865 100644
--- a/docs/latest/development/extensions-contrib/moving-average-query.html
+++ b/docs/latest/development/extensions-contrib/moving-average-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -120,7 +120,7 @@
<tr><td>dimensions</td><td>A JSON list of <a href="/docs/latest/querying/dimensionspecs.html">DimensionSpec</a> (Notice that property is optional)</td><td>no</td></tr>
<tr><td>limitSpec</td><td>See <a href="/docs/latest/querying/limitspec.html">LimitSpec</a></td><td>no</td></tr>
<tr><td>having</td><td>See <a href="/docs/latest/querying/having.html">Having</a></td><td>no</td></tr>
-<tr><td>granularity</td><td>A period granilarity; See <a href="../../querying/granularities.html#period-granularities">Period Granularities</a></td><td>yes</td></tr>
+<tr><td>granularity</td><td>A period granularity; See <a href="../../querying/granularities.html#period-granularities">Period Granularities</a></td><td>yes</td></tr>
<tr><td>filter</td><td>See <a href="/docs/latest/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>aggregations</td><td>Aggregations forms the input to Averagers; See <a href="/docs/latest/querying/aggregations.html">Aggregations</a></td><td>yes</td></tr>
<tr><td>postAggregations</td><td>Supports only aggregations as input; See <a href="/docs/latest/querying/post-aggregations.html">Post Aggregations</a></td><td>no</td></tr>
diff --git a/docs/latest/development/extensions-contrib/opentsdb-emitter.html b/docs/latest/development/extensions-contrib/opentsdb-emitter.html
index 4d41a4b..ed25ca8 100644
--- a/docs/latest/development/extensions-contrib/opentsdb-emitter.html
+++ b/docs/latest/development/extensions-contrib/opentsdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -81,7 +81,7 @@
<h2><a class="anchor" aria-hidden="true" id="introduction"></a><a href="#introduction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>This extension emits druid metrics to <a href="https://github.com/OpenTSDB/opentsdb">OpenTSDB</a> over HTTP (Using <code>Jersey client</code>). And this emitter only emits service metric events to OpenTSDB (See <a href="/docs/latest/operations/metrics.html">Druid metrics</a> for a list of metrics).</p>
<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>All the configuration parameters for the opentsdb emitter are under <code>druid.emitter.opentsdb</code>.</p>
+<p>All the configuration parameters for the OpenTSDB emitter are under <code>druid.emitter.opentsdb</code>.</p>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th><th>default</th></tr>
@@ -98,7 +98,7 @@
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="druid-to-opentsdb-event-converter"></a><a href="#druid-to-opentsdb-event-converter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>The opentsdb emitter will send only the desired metrics and dimensions which is defined in a JSON file.
+<p>The OpenTSDB emitter will send only the desired metrics and dimensions which is defined in a JSON file.
If the user does not specify their own JSON file, a default file is used. All metrics are expected to be configured in the JSON file. Metrics which are not configured will be logged.
Desired metrics and dimensions is organized using the following schema:<code><druid metric name> : [ <dimension list> ]</code><br />
e.g.</p>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/rocketmq.md b/docs/latest/development/extensions-contrib/rabbitmq.html
similarity index 100%
rename from docs/0.16.0-incubating/development/extensions-contrib/rocketmq.md
rename to docs/latest/development/extensions-contrib/rabbitmq.html
diff --git a/docs/latest/development/extensions-contrib/redis-cache.html b/docs/latest/development/extensions-contrib/redis-cache.html
index d5660c0..084d1cd 100644
--- a/docs/latest/development/extensions-contrib/redis-cache.html
+++ b/docs/latest/development/extensions-contrib/redis-cache.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/rabbitmq.md b/docs/latest/development/extensions-contrib/rocketmq.html
similarity index 100%
rename from docs/0.16.0-incubating/development/extensions-contrib/rabbitmq.md
rename to docs/latest/development/extensions-contrib/rocketmq.html
diff --git a/docs/latest/development/extensions-contrib/sqlserver.html b/docs/latest/development/extensions-contrib/sqlserver.html
index 8fdd1c0..5bff73b 100644
--- a/docs/latest/development/extensions-contrib/sqlserver.html
+++ b/docs/latest/development/extensions-contrib/sqlserver.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-contrib/statsd.html b/docs/latest/development/extensions-contrib/statsd.html
index dffba18..90d0d41 100644
--- a/docs/latest/development/extensions-contrib/statsd.html
+++ b/docs/latest/development/extensions-contrib/statsd.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -95,7 +95,7 @@
<tr><td><code>druid.emitter.statsd.separator</code></td><td>Metric name separator</td><td>no</td><td>.</td></tr>
<tr><td><code>druid.emitter.statsd.includeHost</code></td><td>Flag to include the hostname as part of the metric name.</td><td>no</td><td>false</td></tr>
<tr><td><code>druid.emitter.statsd.dimensionMapPath</code></td><td>JSON file defining the StatsD type, and desired dimensions for every Druid metric</td><td>no</td><td>Default mapping provided. See below.</td></tr>
-<tr><td><code>druid.emitter.statsd.blankHolder</code></td><td>The blank character replacement as statsD does not support path with blank character</td><td>no</td><td>"-"</td></tr>
+<tr><td><code>druid.emitter.statsd.blankHolder</code></td><td>The blank character replacement as StatsD does not support path with blank character</td><td>no</td><td>"-"</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsd</code></td><td>Flag to enable <a href="https://docs.datadoghq.com/developers/dogstatsd/">DogStatsD</a> support. Causes dimensions to be included as tags, not as a part of the metric name. <code>convertRange</code> fields will be ignored.</td><td>no</td><td>false</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsdConstantTags</code></td><td>If <code>druid.emitter.statsd.dogstatsd</code> is true, the tags in the JSON list of strings will be sent with every event.</td><td>no</td><td>[]</td></tr>
<tr><td><code>druid.emitter.statsd.dogstatsdServiceAsTag</code></td><td>If <code>druid.emitter.statsd.dogstatsd</code> and <code>druid.emitter.statsd.dogstatsdServiceAsTag</code> are true, druid service (e.g. <code>druid/broker</code>, <code>druid/coordinator</code>, etc) is reported as a tag (e.g. <code>druid_service:druid/broker</code>) instead of being included in metric name (e.g. <code>druid.broker.query.time</code>) and <code>druid</code> is used as metric prefix (e.g. <code>druid. [...]
diff --git a/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html b/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html
index e842fa1..c1a870d 100644
--- a/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html
+++ b/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -78,15 +78,15 @@
~ under the License.
-->
<p>This module provides Apache Druid (incubating) approximate sketch aggregators based on T-Digest.
-T-Digest (<a href="https://github.com/tdunning/t-digest">https://github.com/tdunning/t-digest</a>) is a popular datastructure for accurate on-line accumulation of
+T-Digest (<a href="https://github.com/tdunning/t-digest">https://github.com/tdunning/t-digest</a>) is a popular data structure for accurate on-line accumulation of
rank-based statistics such as quantiles and trimmed means.
-The datastructure is also designed for parallel programming use cases like distributed aggregations or map reduce jobs by making combining two intermediate t-digests easy and efficient.</p>
+The data structure is also designed for parallel programming use cases like distributed aggregations or map reduce jobs by making combining two intermediate t-digests easy and efficient.</p>
<p>The tDigestSketch aggregator is capable of generating sketches from raw numeric values as well as
aggregating/combining pre-generated T-Digest sketches generated using the tDigestSketch aggregator itself.
While one can generate sketches on the fly during the query time itself, it generally is more performant
to generate sketches during ingestion time itself and then combining them during query time.
The module also provides a postAggregator, quantilesFromTDigestSketch, that can be used to compute approximate
-quantiles from T-Digest sketches generated by the tDigestSketch aggreator.</p>
+quantiles from T-Digest sketches generated by the tDigestSketch aggregator.</p>
<p>To use this aggregator, make sure you <a href="/docs/latest/development/extensions.html#loading-extensions">include</a> the extension in your config file:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.extensions</span><span class="hljs-selector-class">.loadList</span>=[<span class="hljs-string">"druid-tdigestsketch"</span>]
</code></pre>
diff --git a/docs/latest/development/extensions-contrib/thrift.html b/docs/latest/development/extensions-contrib/thrift.html
index 8a6ee89..18e4109 100644
--- a/docs/latest/development/extensions-contrib/thrift.html
+++ b/docs/latest/development/extensions-contrib/thrift.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -89,7 +89,7 @@
</thead>
<tbody>
<tr><td>type</td><td>String</td><td>This should say <code>thrift</code></td><td>yes</td></tr>
-<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. Should be a Json parseSpec.</td><td>yes</td></tr>
+<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. Should be a JSON parseSpec.</td><td>yes</td></tr>
<tr><td>thriftJar</td><td>String</td><td>path of thrift jar, if not provided, it will try to find the thrift class in classpath. Thrift jar in batch ingestion should be uploaded to HDFS first and configure <code>jobProperties</code> with <code>"tmpjars":"/path/to/your/thrift.jar"</code></td><td>no</td></tr>
<tr><td>thriftClass</td><td>String</td><td>classname of thrift</td><td>yes</td></tr>
</tbody>
@@ -131,7 +131,7 @@
<ul>
<li>Batch Ingestion - <code>inputFormat</code> and <code>tmpjars</code> should be set.</li>
</ul>
-<p>This is for batch ingestion using the HadoopDruidIndexer. The inputFormat of inputSpec in ioConfig could be one of <code>"org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat"</code> and <code>com.twitter.elephantbird.mapreduce.input.LzoThriftBlockInputFormat</code>. Be carefull, when <code>LzoThriftBlockInputFormat</code> is used, thrift class must be provided twice.</p>
+<p>This is for batch ingestion using the HadoopDruidIndexer. The inputFormat of inputSpec in ioConfig could be one of <code>"org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat"</code> and <code>com.twitter.elephantbird.mapreduce.input.LzoThriftBlockInputFormat</code>. Be careful, when <code>LzoThriftBlockInputFormat</code> is used, thrift class must be provided twice.</p>
<pre><code class="hljs css language-json">{
"type": "index_hadoop",
"spec": {
diff --git a/docs/latest/development/extensions-contrib/time-min-max.html b/docs/latest/development/extensions-contrib/time-min-max.html
index 5a7b893..fb0ba1b 100644
--- a/docs/latest/development/extensions-contrib/time-min-max.html
+++ b/docs/latest/development/extensions-contrib/time-min-max.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/approximate-histograms.html b/docs/latest/development/extensions-core/approximate-histograms.html
index 6019b6e..ad93835 100644
--- a/docs/latest/development/extensions-core/approximate-histograms.html
+++ b/docs/latest/development/extensions-core/approximate-histograms.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -121,7 +121,7 @@ them for monitoring purposes and detect meaningful variations with a few
hundred centroids. To get good accuracy readings on 95th percentiles with
millions of rows of data, you may want to use several thousand centroids,
especially with long tails, since that's where the approximation will be worse.</p>
-<h3><a class="anchor" aria-hidden="true" id="creating-approxiate-histogram-sketches-at-ingestion-time"></a><a href="#creating-approxiate-histogram-sketches-at-ingestion-time" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.2 [...]
+<h3><a class="anchor" aria-hidden="true" id="creating-approximate-histogram-sketches-at-ingestion-time"></a><a href="#creating-approximate-histogram-sketches-at-ingestion-time" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1 [...]
<p>To use this feature, an "approxHistogram" or "approxHistogramFold" aggregator must be included at
indexing time. The ingestion aggregator can only apply to numeric values. If you use "approxHistogram"
then any input rows missing the value will be considered to have a value of 0, while with "approxHistogramFold"
@@ -197,7 +197,7 @@ query.</p>
<li><code>upperLimit</code>: Upper limit of the histogram</li>
<li><code>numBuckets</code>: Number of histogram buckets</li>
<li><code>outlierHandlingMode</code>: Outlier handling mode</li>
-<li><code>count</code>: Total number of values contained in the histgram, excluding outliers</li>
+<li><code>count</code>: Total number of values contained in the histogram, excluding outliers</li>
<li><code>lowerOutlierCount</code>: Count of outlier values below <code>lowerLimit</code>. Only used if the outlier mode is <code>overflow</code>.</li>
<li><code>upperOutlierCount</code>: Count of outlier values above <code>upperLimit</code>. Only used if the outlier mode is <code>overflow</code>.</li>
<li><code>missingValueCount</code>: Count of null values seen by the histogram.</li>
@@ -303,4 +303,4 @@ Bucket intervals are based on the range of the underlying data. This aggregator
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"quantiles"</span>, <span class="hljs-attr">"name"</span> : <output_name>, <span class="hljs-attr">"fieldName"</span> : <aggregator_name>,
<span class="hljs-attr">"probabilities"</span> : [ <quantile>, <quantile>, ... ] }
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/integrating-druid-with-other-technologies.html"><span class="arrow-prev">← </span><span>Integrating with other technologies</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/avro.html"><span>Apache Avro</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#approximate-his [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/peons.html"><span class="arrow-prev">← </span><span>Peons</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/avro.html"><span>Apache Avro</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#approximate-histogram-aggregator-deprecated">Approximate Histogram aggregator (Depreca [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-core/avro.html b/docs/latest/development/extensions-core/avro.html
index 3013c1c..abc2b58 100644
--- a/docs/latest/development/extensions-core/avro.html
+++ b/docs/latest/development/extensions-core/avro.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -122,7 +122,7 @@ field types, which can be used to read nested Avro records. The "jq" f
may need to migrate schemas in the future, consider one of the other decoders, all of which use a message header that
allows the parser to identify the proper Avro schema for reading records.</p>
</blockquote>
-<p>This decoder can be used if all the input events can be read using the same schema. In that case schema can be specified in the input task json itself as described below.</p>
+<p>This decoder can be used if all the input events can be read using the same schema. In that case schema can be specified in the input task JSON itself as described below.</p>
<pre><code class="hljs"><span class="hljs-string">...</span>
<span class="hljs-string">"avroBytesDecoder"</span>: {
<span class="hljs-string">"type"</span>: <span class="hljs-string">"schema_inline"</span>,
@@ -140,7 +140,7 @@ allows the parser to identify the proper Avro schema for reading records.</p>
<span class="hljs-string">...</span>
</code></pre>
<h5><a class="anchor" aria-hidden="true" id="multiple-inline-schemas-based-avro-bytes-decoder"></a><a href="#multiple-inline-schemas-based-avro-bytes-decoder" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9z [...]
-<p>This decoder can be used if different input events can have different read schema. In that case schema can be specified in the input task json itself as described below.</p>
+<p>This decoder can be used if different input events can have different read schema. In that case schema can be specified in the input task JSON itself as described below.</p>
<pre><code class="hljs">...
<span class="hljs-string">"avroBytesDecoder"</span>: {
<span class="hljs-string">"type"</span>: <span class="hljs-string">"multiple_schemas_inline"</span>,
@@ -194,7 +194,7 @@ remaining bytes contain serialized avro message.</p>
</thead>
<tbody>
<tr><td>type</td><td>String</td><td>This should say <code>avro_1124</code>.</td><td>no</td></tr>
-<tr><td>topic</td><td>String</td><td>Specifies the topic of your kafka stream.</td><td>yes</td></tr>
+<tr><td>topic</td><td>String</td><td>Specifies the topic of your Kafka stream.</td><td>yes</td></tr>
</tbody>
</table>
<h6><a class="anchor" aria-hidden="true" id="avro-1124-schema-repository"></a><a href="#avro-1124-schema-repository" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
@@ -229,7 +229,7 @@ Details can be found in Schema Registry <a href="http://docs.confluent.io/curren
...
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="avro-hadoop-parser"></a><a href="#avro-hadoop-parser" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
-<p>This is for batch ingestion using the <code>HadoopDruidIndexer</code>. The <code>inputFormat</code> of <code>inputSpec</code> in <code>ioConfig</code> must be set to <code>"org.apache.druid.data.input.avro.AvroValueInputFormat"</code>. You may want to set Avro reader's schema in <code>jobProperties</code> in <code>tuningConfig</code>, eg: <code>"avro.schema.input.value.path": "/path/to/your/schema.avsc"</code> or <code>"avro.schema.input.value": [...]
+<p>This is for batch ingestion using the <code>HadoopDruidIndexer</code>. The <code>inputFormat</code> of <code>inputSpec</code> in <code>ioConfig</code> must be set to <code>"org.apache.druid.data.input.avro.AvroValueInputFormat"</code>. You may want to set Avro reader's schema in <code>jobProperties</code> in <code>tuningConfig</code>, e.g.: <code>"avro.schema.input.value.path": "/path/to/your/schema.avsc"</code> or <code>"avro.schema.input.value" [...]
<table>
<thead>
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr>
diff --git a/docs/latest/development/extensions-core/bloom-filter.html b/docs/latest/development/extensions-core/bloom-filter.html
index cebe34b..7a7b144 100644
--- a/docs/latest/development/extensions-core/bloom-filter.html
+++ b/docs/latest/development/extensions-core/bloom-filter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -80,12 +80,12 @@
<p>This Apache Druid (incubating) extension adds the ability to both construct bloom filters from query results, and filter query results by testing
against a bloom filter. Make sure to <a href="/docs/latest/development/extensions.html#loading-extensions">include</a> <code>druid-bloom-filter</code> as an
extension.</p>
-<p>A BloomFilter is a probabilistic data structure for performing a set membership check. A bloom filter is a good candidate
+<p>A Bloom filter is a probabilistic data structure for performing a set membership check. A bloom filter is a good candidate
to use with Druid for cases where an explicit filter is impossible, e.g. filtering a query against a set of millions of
values.</p>
-<p>Following are some characteristics of BloomFilters:</p>
+<p>Following are some characteristics of Bloom filters:</p>
<ul>
-<li>BloomFilters are highly space efficient when compared to using a HashSet.</li>
+<li>Bloom filters are highly space efficient when compared to using a HashSet.</li>
<li>Because of the probabilistic nature of bloom filters, false positive results are possible (element was not actually
inserted into a bloom filter during construction, but <code>test()</code> says true)</li>
<li>False negatives are not possible (if element is present then <code>test()</code> will never say false).</li>
@@ -105,7 +105,7 @@ ByteArrayOutputStream byteArrayOutputStream = <span class="hljs-keyword">new</sp
BloomKFilter.serialize(byteArrayOutputStream, bloomFilter);
String base64Serialized = Base64.encodeBase64String(byteArrayOutputStream.toByteArray());
</code></pre>
-<p>This string can then be used in the native or sql Druid query.</p>
+<p>This string can then be used in the native or SQL Druid query.</p>
<h2><a class="anchor" aria-hidden="true" id="filtering-queries-with-a-bloom-filter"></a><a href="#filtering-queries-with-a-bloom-filter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 [...]
<h3><a class="anchor" aria-hidden="true" id="json-specification-of-bloom-filter"></a><a href="#json-specification-of-bloom-filter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5 [...]
<pre><code class="hljs css language-json">{
@@ -146,7 +146,7 @@ with the SQL operator.</p>
<h2><a class="anchor" aria-hidden="true" id="bloom-filter-query-aggregator"></a><a href="#bloom-filter-query-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
<p>Input for a <code>bloomKFilter</code> can also be created from a druid query with the <code>bloom</code> aggregator. Note that it is very
important to set a reasonable value for the <code>maxNumEntries</code> parameter, which is the maximum number of distinct entries
-that the bloom filter can represent without increasing the false postive rate. It may be worth performing a query using
+that the bloom filter can represent without increasing the false positive rate. It may be worth performing a query using
one of the unique count sketches to calculate the value for this parameter in order to build a bloom filter appropriate
for the query.</p>
<h3><a class="anchor" aria-hidden="true" id="json-specification-of-bloom-filter-aggregator"></a><a href="#json-specification-of-bloom-filter-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h- [...]
diff --git a/docs/latest/development/extensions-core/datasketches-extension.html b/docs/latest/development/extensions-core/datasketches-extension.html
index b21fe13..cbec1d0 100644
--- a/docs/latest/development/extensions-core/datasketches-extension.html
+++ b/docs/latest/development/extensions-core/datasketches-extension.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/datasketches-hll.html b/docs/latest/development/extensions-core/datasketches-hll.html
index 91a29f0..945ddfa 100644
--- a/docs/latest/development/extensions-core/datasketches-hll.html
+++ b/docs/latest/development/extensions-core/datasketches-hll.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/datasketches-quantiles.html b/docs/latest/development/extensions-core/datasketches-quantiles.html
index 36f43c7..dde3450 100644
--- a/docs/latest/development/extensions-core/datasketches-quantiles.html
+++ b/docs/latest/development/extensions-core/datasketches-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -77,7 +77,7 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<p>This module provides Apache Druid (incubating) aggregators based on numeric quantiles DoublesSketch from <a href="https://datasketches.github.io/">datasketches</a> library. Quantiles sketch is a mergeable streaming algorithm to estimate the distribution of values, and approximately answer queries about the rank of a value, probability mass function of the distribution (PMF) or histogram, cummulative distribution function (CDF), and quantiles (median, min, max, 95th percentile and such [...]
+<p>This module provides Apache Druid (incubating) aggregators based on numeric quantiles DoublesSketch from <a href="https://datasketches.github.io/">datasketches</a> library. Quantiles sketch is a mergeable streaming algorithm to estimate the distribution of values, and approximately answer queries about the rank of a value, probability mass function of the distribution (PMF) or histogram, cumulative distribution function (CDF), and quantiles (median, min, max, 95th percentile and such) [...]
<p>There are three major modes of operation:</p>
<ol>
<li>Ingesting sketches built outside of Druid (say, with Pig or Hive)</li>
diff --git a/docs/latest/development/extensions-core/datasketches-theta.html b/docs/latest/development/extensions-core/datasketches-theta.html
index 5e8c1d8..9a62f51 100644
--- a/docs/latest/development/extensions-core/datasketches-theta.html
+++ b/docs/latest/development/extensions-core/datasketches-theta.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/datasketches-tuple.html b/docs/latest/development/extensions-core/datasketches-tuple.html
index 7f6f4ef..fe87fb5 100644
--- a/docs/latest/development/extensions-core/datasketches-tuple.html
+++ b/docs/latest/development/extensions-core/datasketches-tuple.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -101,7 +101,7 @@
<tr><td>fieldName</td><td>A String for the name of the input field.</td><td>yes</td></tr>
<tr><td>nominalEntries</td><td>Parameter that determines the accuracy and size of the sketch. Higher k means higher accuracy but more space to store sketches. Must be a power of 2. See the <a href="https://datasketches.github.io/docs/latest/Theta/ThetaErrorTable.html">Theta sketch accuracy</a> for details.</td><td>no, defaults to 16384</td></tr>
<tr><td>numberOfValues</td><td>Number of values associated with each distinct key.</td><td>no, defaults to 1</td></tr>
-<tr><td>metricCoulumns</td><td>If building sketches from raw data, an array of names of the input columns containing numeric vaues to be associated with each distinct key.</td><td>no, defaults to empty array</td></tr>
+<tr><td>metricColumns</td><td>If building sketches from raw data, an array of names of the input columns containing numeric values to be associated with each distinct key.</td><td>no, defaults to empty array</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="post-aggregators"></a><a href="#post-aggregators" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
@@ -147,7 +147,7 @@
}
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="quantiles-sketch-from-a-column"></a><a href="#quantiles-sketch-from-a-column" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
-<p>Returns a quanitles DoublesSketch constructed from a given column of values from a given ArrayOfDoublesSketch using optional parameter k that determines the accuracy and size of the quantiles sketch. See <a href="datasketches-quantiles.html">Quantiles Sketch Module</a></p>
+<p>Returns a quantiles DoublesSketch constructed from a given column of values from a given ArrayOfDoublesSketch using optional parameter k that determines the accuracy and size of the quantiles sketch. See <a href="datasketches-quantiles.html">Quantiles Sketch Module</a></p>
<ul>
<li>The column number is 1-based and is optional (the default is 1).</li>
<li>The parameter k is optional (the default is defined in the sketch library).</li>
diff --git a/docs/latest/development/extensions-core/druid-basic-security.html b/docs/latest/development/extensions-core/druid-basic-security.html
index ffef617..f089c6d 100644
--- a/docs/latest/development/extensions-core/druid-basic-security.html
+++ b/docs/latest/development/extensions-core/druid-basic-security.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -140,7 +140,7 @@ druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-cl
<tr><th>Property</th><th>Description</th><th>Default</th><th>required</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.escalator.internalClientUsername</code></td><td>The escalator will use this username for requests made as the internal systerm user.</td><td>n/a</td><td>Yes</td></tr>
+<tr><td><code>druid.escalator.internalClientUsername</code></td><td>The escalator will use this username for requests made as the internal system user.</td><td>n/a</td><td>Yes</td></tr>
<tr><td><code>druid.escalator.internalClientPassword</code></td><td>The escalator will use this <a href="/docs/latest/operations/password-provider.html">Password Provider</a> for requests made as the internal system user.</td><td>n/a</td><td>Yes</td></tr>
<tr><td><code>druid.escalator.authorizerName</code></td><td>Authorizer that requests should be directed to.</td><td>n/a</td><td>Yes</td></tr>
</tbody>
diff --git a/docs/latest/development/extensions-core/druid-kerberos.html b/docs/latest/development/extensions-core/druid-kerberos.html
index 6c586bf..9ca2fd3 100644
--- a/docs/latest/development/extensions-core/druid-kerberos.html
+++ b/docs/latest/development/extensions-core/druid-kerberos.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -97,10 +97,10 @@ druid<span class="hljs-selector-class">.auth</span><span class="hljs-selector-cl
<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th><th>required</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.auth.authenticator.kerberos.serverPrincipal</code></td><td><code>HTTP/_HOST@EXAMPLE.COM</code></td><td>SPNego service principal used by druid processes</td><td>empty</td><td>Yes</td></tr>
+<tr><td><code>druid.auth.authenticator.kerberos.serverPrincipal</code></td><td><code>HTTP/_HOST@EXAMPLE.COM</code></td><td>SPNEGO service principal used by druid processes</td><td>empty</td><td>Yes</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.serverKeytab</code></td><td><code>/etc/security/keytabs/spnego.service.keytab</code></td><td>SPNego service keytab used by druid processes</td><td>empty</td><td>Yes</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.authToLocal</code></td><td><code>RULE:[1:$1@$0](druid@EXAMPLE.COM)s/.*/druid DEFAULT</code></td><td>It allows you to set a general rule for mapping principal names to local user names. It will be used if there is not an explicit mapping for the principal name that is being translated.</td><td>DEFAULT</td><td>No</td></tr>
-<tr><td><code>druid.auth.authenticator.kerberos.cookieSignatureSecret</code></td><td><code>secretString</code></td><td>Secret used to sign authentication cookies. It is advisable to explicitly set it, if you have multiple druid ndoes running on same machine with different ports as the Cookie Specification does not guarantee isolation by port.</td><td><Random value></td><td>No</td></tr>
+<tr><td><code>druid.auth.authenticator.kerberos.cookieSignatureSecret</code></td><td><code>secretString</code></td><td>Secret used to sign authentication cookies. It is advisable to explicitly set it, if you have multiple druid nodes running on same machine with different ports as the Cookie Specification does not guarantee isolation by port.</td><td><Random value></td><td>No</td></tr>
<tr><td><code>druid.auth.authenticator.kerberos.authorizerName</code></td><td>Depends on available authorizers</td><td>Authorizer that requests should be directed to</td><td>Empty</td><td>Yes</td></tr>
</tbody>
</table>
@@ -110,7 +110,7 @@ The special string _HOST will be replaced automatically with the value of config
<p>In older releases, the Kerberos authenticator had an <code>excludedPaths</code> property that allowed the user to specify a list of paths where authentication checks should be skipped. This property has been removed from the Kerberos authenticator because the path exclusion functionality is now handled across all authenticators/authorizers by setting <code>druid.auth.unsecuredPaths</code>, as described in the <a href="/docs/latest/design/auth.html">main auth documentation</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="auth-to-local-syntax"></a><a href="#auth-to-local-syntax" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
<p><code>druid.auth.authenticator.kerberos.authToLocal</code> allows you to set a general rules for mapping principal names to local user names.
-The syntax for mapping rules is <code>RULE:\[n:string](regexp)s/pattern/replacement/g</code>. The integer n indicates how many components the target principal should have. If this matches, then a string will be formed from string, substituting the realm of the principal for $0 and the n‘th component of the principal for $n. e.g. if the principal was druid/admin then <code>\[2:$2$1suffix]</code> would result in the string <code>admindruidsuffix</code>.
+The syntax for mapping rules is <code>RULE:\[n:string](regexp)s/pattern/replacement/g</code>. The integer n indicates how many components the target principal should have. If this matches, then a string will be formed from string, substituting the realm of the principal for $0 and the nth component of the principal for $n. e.g. if the principal was druid/admin then <code>\[2:$2$1suffix]</code> would result in the string <code>admindruidsuffix</code>.
If this string matches regexp, then the s//[g] substitution command will be run over the string. The optional g will cause the substitution to be global over the string, instead of replacing only the first match in the string.
If required, multiple rules can be be joined by newline character and specified as a String.</p>
<h3><a class="anchor" aria-hidden="true" id="increasing-http-header-size-for-large-spnego-negotiate-header"></a><a href="#increasing-http-header-size-for-large-spnego-negotiate-header" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-. [...]
diff --git a/docs/latest/development/extensions-core/druid-lookups.html b/docs/latest/development/extensions-core/druid-lookups.html
index 7976708..9d39b5e 100644
--- a/docs/latest/development/extensions-core/druid-lookups.html
+++ b/docs/latest/development/extensions-core/druid-lookups.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -97,12 +97,12 @@ If you need new type of data fetcher, all you need to do, is to implement the in
<h4><a class="anchor" aria-hidden="true" id="poll-lookup-cache"></a><a href="#poll-lookup-cache" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>The poll strategy cache strategy will fetch and swap all the pair of key/values periodically from the lookup source.
Hence, user should make sure that the cache can fit all the data.
-The current implementation provides 2 type of poll cache, the first is onheap (uses immutable map), while the second uses MapBD based offheap map.
+The current implementation provides 2 type of poll cache, the first is on-heap (uses immutable map), while the second uses MapDB based off-heap map.
User can also implement a different lookup polling cache by implementing <code>PollingCacheFactory</code> and <code>PollingCache</code> interfaces.</p>
<h4><a class="anchor" aria-hidden="true" id="loading-lookup"></a><a href="#loading-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>Loading cache strategy will load the key/value pair upon request on the key it self, the general algorithm is load key if absent.
Once the key/value pair is loaded eviction will occur according to the cache eviction policy.
-This module comes with two loading lookup implementation, the first is onheap backed by a Guava cache implementation, the second is MapDB offheap implementation.
+This module comes with two loading lookup implementation, the first is on-heap backed by a Guava cache implementation, the second is MapDB off-heap implementation.
Both implementations offer various eviction strategies.
Same for Loading cache, developer can implement a new type of loading cache by implementing <code>LookupLoadingCache</code> interface.</p>
<h2><a class="anchor" aria-hidden="true" id="configuration-and-operation"></a><a href="#configuration-and-operation" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
@@ -113,8 +113,8 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th><th>default</th></tr>
</thead>
<tbody>
-<tr><td>dataFetcher</td><td>Json object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
-<tr><td>cacheFactory</td><td>Json Object</td><td>Cache factory implementation</td><td>no</td><td>onHeapPolling</td></tr>
+<tr><td>dataFetcher</td><td>JSON object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
+<tr><td>cacheFactory</td><td>JSON Object</td><td>Cache factory implementation</td><td>no</td><td>onHeapPolling</td></tr>
<tr><td>pollPeriod</td><td>Period</td><td>polling period</td><td>no</td><td>null (poll once)</td></tr>
</tbody>
</table>
@@ -143,9 +143,9 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th><th>default</th></tr>
</thead>
<tbody>
-<tr><td>dataFetcher</td><td>Json object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
-<tr><td>loadingCacheSpec</td><td>Json Object</td><td>Lookup cache spec implementation</td><td>yes</td><td>null</td></tr>
-<tr><td>reverseLoadingCacheSpec</td><td>Json Object</td><td>Reverse lookup cache implementation</td><td>yes</td><td>null</td></tr>
+<tr><td>dataFetcher</td><td>JSON object</td><td>Specifies the lookup data fetcher type to use in order to fetch data</td><td>yes</td><td>null</td></tr>
+<tr><td>loadingCacheSpec</td><td>JSON Object</td><td>Lookup cache spec implementation</td><td>yes</td><td>null</td></tr>
+<tr><td>reverseLoadingCacheSpec</td><td>JSON Object</td><td>Reverse lookup cache implementation</td><td>yes</td><td>null</td></tr>
</tbody>
</table>
<h5><a class="anchor" aria-hidden="true" id="example-loading-on-heap-guava"></a><a href="#example-loading-on-heap-guava" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
diff --git a/docs/latest/development/extensions-core/google.html b/docs/latest/development/extensions-core/google.html
index dbe285b..64fcd4b 100644
--- a/docs/latest/development/extensions-core/google.html
+++ b/docs/latest/development/extensions-core/google.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-core/hdfs.html b/docs/latest/development/extensions-core/hdfs.html
index 94c683f..17e08b3 100644
--- a/docs/latest/development/extensions-core/hdfs.html
+++ b/docs/latest/development/extensions-core/hdfs.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.md b/docs/latest/development/extensions-core/kafka-eight-firehose.html
similarity index 100%
rename from docs/0.16.0-incubating/development/extensions-contrib/kafka-simple.md
rename to docs/latest/development/extensions-core/kafka-eight-firehose.html
diff --git a/docs/latest/development/extensions-core/kafka-extraction-namespace.html b/docs/latest/development/extensions-core/kafka-extraction-namespace.html
index 2ceefc6..4f33ee5 100644
--- a/docs/latest/development/extensions-core/kafka-extraction-namespace.html
+++ b/docs/latest/development/extensions-core/kafka-extraction-namespace.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -81,7 +81,7 @@
<p>Lookups are an <a href="/docs/latest/development/experimental.html">experimental</a> feature.</p>
</blockquote>
<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/latest/development/extensions.html#loading-extensions">include</a> <code>druid-lookups-cached-global</code> and <code>druid-kafka-extraction-namespace</code> as an extension.</p>
-<p>If you need updates to populate as promptly as possible, it is possible to plug into a kafka topic whose key is the old value and message is the desired new value (both in UTF-8) as a LookupExtractorFactory.</p>
+<p>If you need updates to populate as promptly as possible, it is possible to plug into a Kafka topic whose key is the old value and message is the desired new value (both in UTF-8) as a LookupExtractorFactory.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"kafka"</span>,
<span class="hljs-attr">"kafkaTopic"</span>:<span class="hljs-string">"testTopic"</span>,
@@ -93,21 +93,21 @@
<tr><th>Parameter</th><th>Description</th><th>Required</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>kafkaTopic</code></td><td>The kafka topic to read the data from</td><td>Yes</td><td></td></tr>
+<tr><td><code>kafkaTopic</code></td><td>The Kafka topic to read the data from</td><td>Yes</td><td></td></tr>
<tr><td><code>kafkaProperties</code></td><td>Kafka consumer properties. At least"zookeeper.connect" must be specified. Only the zookeeper connector is supported</td><td>Yes</td><td></td></tr>
<tr><td><code>connectTimeout</code></td><td>How long to wait for an initial connection</td><td>No</td><td><code>0</code> (do not wait)</td></tr>
<tr><td><code>isOneToOne</code></td><td>The map is a one-to-one (see <a href="/docs/latest/querying/dimensionspecs.html">Lookup DimensionSpecs</a>)</td><td>No</td><td><code>false</code></td></tr>
</tbody>
</table>
-<p>The extension <code>kafka-extraction-namespace</code> enables reading from a kafka feed which has name/key pairs to allow renaming of dimension values. An example use case would be to rename an ID to a human readable format.</p>
+<p>The extension <code>kafka-extraction-namespace</code> enables reading from a Kafka feed which has name/key pairs to allow renaming of dimension values. An example use case would be to rename an ID to a human readable format.</p>
<p>The consumer properties <code>group.id</code> and <code>auto.offset.reset</code> CANNOT be set in <code>kafkaProperties</code> as they are set by the extension as <code>UUID.randomUUID().toString()</code> and <code>smallest</code> respectively.</p>
<p>See <a href="/docs/latest/querying/lookups.html">lookups</a> for how to configure and use lookups.</p>
<h2><a class="anchor" aria-hidden="true" id="limitations"></a><a href="#limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>Currently the Kafka lookup extractor feeds the entire kafka stream into a local cache. If you are using OnHeap caching, this can easily clobber your java heap if the kafka stream spews a lot of unique keys.
-OffHeap caching should alleviate these concerns, but there is still a limit to the quantity of data that can be stored.
+<p>Currently the Kafka lookup extractor feeds the entire Kafka stream into a local cache. If you are using on-heap caching, this can easily clobber your java heap if the Kafka stream spews a lot of unique keys.
+off-heap caching should alleviate these concerns, but there is still a limit to the quantity of data that can be stored.
There is currently no eviction policy.</p>
<h2><a class="anchor" aria-hidden="true" id="testing-the-kafka-rename-functionality"></a><a href="#testing-the-kafka-rename-functionality" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
-<p>To test this setup, you can send key/value pairs to a kafka stream via the following producer console:</p>
+<p>To test this setup, you can send key/value pairs to a Kafka stream via the following producer console:</p>
<pre><code class="hljs">./bin/kafka-console-producer.sh --<span class="hljs-keyword">property</span><span class="hljs-title"> </span>parse.<span class="hljs-attr">key=</span><span class="hljs-literal">true</span> --<span class="hljs-keyword">property</span><span class="hljs-title"> </span>key.<span class="hljs-attr">separator=</span><span class="hljs-string">"->"</span> --broker-list localhost:<span class="hljs-number">9092</span> --topic testTopic
</code></pre>
<p>Renames can then be published as <code>OLD_VAL->NEW_VAL</code> followed by newline (enter or return)</p>
diff --git a/docs/latest/development/extensions-core/kafka-ingestion.html b/docs/latest/development/extensions-core/kafka-ingestion.html
index 0238427..b70f857 100644
--- a/docs/latest/development/extensions-core/kafka-ingestion.html
+++ b/docs/latest/development/extensions-core/kafka-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -258,7 +258,7 @@ MiddleManagers. A supervisor for a dataSource is started by submitting a supervi
<tbody>
<tr><td><code>topic</code></td><td>String</td><td>The Kafka topic to read from. This must be a specific topic as topic patterns are not supported.</td><td>yes</td></tr>
<tr><td><code>consumerProperties</code></td><td>Map<String, Object></td><td>A map of properties to be passed to the Kafka consumer. This must contain a property <code>bootstrap.servers</code> with a list of Kafka brokers in the form: <code><BROKER_1>:<PORT_1>,<BROKER_2>:<PORT_2>,...</code>. For SSL connections, the <code>keystore</code>, <code>truststore</code> and <code>key</code> passwords can be provided as a <a href="/docs/latest/operations/password-prov [...]
-<tr><td><code>pollTimeout</code></td><td>Long</td><td>The length of time to wait for the kafka consumer to poll records, in milliseconds</td><td>no (default == 100)</td></tr>
+<tr><td><code>pollTimeout</code></td><td>Long</td><td>The length of time to wait for the Kafka consumer to poll records, in milliseconds</td><td>no (default == 100)</td></tr>
<tr><td><code>replicas</code></td><td>Integer</td><td>The number of replica sets, where 1 means a single set of tasks (no replication). Replica tasks will always be assigned to different workers to provide resiliency against process failure.</td><td>no (default == 1)</td></tr>
<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKafkaPartitions}</code>.</td> [...]
<tr><td><code>taskDuration</code></td><td>ISO8601 Period</td><td>The length of time before tasks stop reading and begin publishing their segment.</td><td>no (default == PT1H)</td></tr>
@@ -360,9 +360,9 @@ may cause some Kafka messages to be skipped or to be read twice.</p>
<p><code>POST /druid/indexer/v1/supervisor/<supervisorId>/terminate</code> terminates a supervisor and causes all associated indexing
tasks managed by this supervisor to immediately stop and begin
publishing their segments. This supervisor will still exist in the metadata store and it's history may be retrieved
-with the supervisor history api, but will not be listed in the 'get supervisors' api response nor can it's configuration
+with the supervisor history API, but will not be listed in the 'get supervisors' API response nor can it's configuration
or status report be retrieved. The only way this supervisor can start again is by submitting a functioning supervisor
-spec to the create api.</p>
+spec to the create API.</p>
<h3><a class="anchor" aria-hidden="true" id="capacity-planning"></a><a href="#capacity-planning" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>Kafka indexing tasks run on MiddleManagers and are thus limited by the resources available in the MiddleManager
cluster. In particular, you should make sure that you have sufficient worker capacity (configured using the
@@ -401,7 +401,7 @@ fail-overs.</p>
tombstone marker in the database (to prevent the supervisor from being reloaded on a restart) and then gracefully
shuts down the currently running supervisor. When a supervisor is shut down in this way, it will instruct its
managed tasks to stop reading and begin publishing their segments immediately. The call to the shutdown endpoint will
-return after all tasks have been signalled to stop but before the tasks finish publishing their segments.</p>
+return after all tasks have been signaled to stop but before the tasks finish publishing their segments.</p>
<h3><a class="anchor" aria-hidden="true" id="schema-configuration-changes"></a><a href="#schema-configuration-changes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
<p>Schema and configuration changes are handled by submitting the new supervisor spec via the same
<code>POST /druid/indexer/v1/supervisor</code> endpoint used to initially create the supervisor. The Overlord will initiate a
diff --git a/docs/latest/development/extensions-core/kinesis-ingestion.html b/docs/latest/development/extensions-core/kinesis-ingestion.html
index f790de2..28c272b 100644
--- a/docs/latest/development/extensions-core/kinesis-ingestion.html
+++ b/docs/latest/development/extensions-core/kinesis-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -258,7 +258,7 @@ and the MiddleManagers. A supervisor for a dataSource is started by submitting a
<tr><td><code>stream</code></td><td>String</td><td>The Kinesis stream to read.</td><td>yes</td></tr>
<tr><td><code>endpoint</code></td><td>String</td><td>The AWS Kinesis stream endpoint for a region. You can find a list of endpoints <a href="http://docs.aws.amazon.com/general/latest/gr/rande.html#ak_region">here</a>.</td><td>no (default == kinesis.us-east-1.amazonaws.com)</td></tr>
<tr><td><code>replicas</code></td><td>Integer</td><td>The number of replica sets, where 1 means a single set of tasks (no replication). Replica tasks will always be assigned to different workers to provide resiliency against process failure.</td><td>no (default == 1)</td></tr>
-<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKinesisshards}</code>.</td><t [...]
+<tr><td><code>taskCount</code></td><td>Integer</td><td>The maximum number of <em>reading</em> tasks in a <em>replica set</em>. This means that the maximum number of reading tasks will be <code>taskCount * replicas</code> and the total number of tasks (<em>reading</em> + <em>publishing</em>) will be higher than this. See 'Capacity Planning' below for more details. The number of reading tasks will be less than <code>taskCount</code> if <code>taskCount > {numKinesisShards}</code>.</td><t [...]
<tr><td><code>taskDuration</code></td><td>ISO8601 Period</td><td>The length of time before tasks stop reading and begin publishing their segment.</td><td>no (default == PT1H)</td></tr>
<tr><td><code>startDelay</code></td><td>ISO8601 Period</td><td>The period to wait before the supervisor starts managing tasks.</td><td>no (default == PT5S)</td></tr>
<tr><td><code>period</code></td><td>ISO8601 Period</td><td>How often the supervisor will execute its management logic. Note that the supervisor will also run in response to certain events (such as tasks succeeding, failing, and reaching their taskDuration) so this value specifies the maximum time between iterations.</td><td>no (default == PT30S)</td></tr>
diff --git a/docs/latest/development/extensions-core/lookups-cached-global.html b/docs/latest/development/extensions-core/lookups-cached-global.html
index 07e48d6..21a2997 100644
--- a/docs/latest/development/extensions-core/lookups-cached-global.html
+++ b/docs/latest/development/extensions-core/lookups-cached-global.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -143,7 +143,7 @@ and are small enough to reasonably populate in-memory. This usually means tens t
<p>Proper functionality of globally cached lookups requires the following extension to be loaded on the Broker, Peon, and Historical processes:
<code>druid-lookups-cached-global</code></p>
<h2><a class="anchor" aria-hidden="true" id="example-configuration"></a><a href="#example-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>In a simple case where only one <a href="../../querying/lookups.html#dynamic-configuration">tier</a> exists (<code>realtime_customer2</code>) with one <code>cachedNamespace</code> lookup called <code>country_code</code>, the resulting configuration json looks similar to the following:</p>
+<p>In a simple case where only one <a href="../../querying/lookups.html#dynamic-configuration">tier</a> exists (<code>realtime_customer2</code>) with one <code>cachedNamespace</code> lookup called <code>country_code</code>, the resulting configuration JSON looks similar to the following:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"realtime_customer2"</span>: {
<span class="hljs-attr">"country_code"</span>: {
@@ -205,7 +205,7 @@ setting namespaces (Broker, Peon, Historical)</p>
<tbody>
<tr><td><code>druid.lookup.namespace.cache.type</code></td><td>Specifies the type of caching to be used by the namespaces. May be one of [<code>offHeap</code>, <code>onHeap</code>]. <code>offHeap</code> uses a temporary file for off-heap storage of the namespace (memory mapped files). <code>onHeap</code> stores all cache on the heap in standard java map types.</td><td><code>onHeap</code></td></tr>
<tr><td><code>druid.lookup.namespace.numExtractionThreads</code></td><td>The number of threads in the thread pool dedicated for lookup extraction and updates. This number may need to be scaled up, if you have a lot of lookups and they take long time to extract, to avoid timeouts.</td><td>2</td></tr>
-<tr><td><code>druid.lookup.namespace.numBufferedEntries</code></td><td>If using offHeap caching, the number of records to be stored on an on-heap buffer.</td><td>100,000</td></tr>
+<tr><td><code>druid.lookup.namespace.numBufferedEntries</code></td><td>If using off-heap caching, the number of records to be stored on an on-heap buffer.</td><td>100,000</td></tr>
</tbody>
</table>
<p>The cache is populated in different ways depending on the settings below. In general, most namespaces employ
@@ -217,7 +217,7 @@ It's highly recommended that <code>druid.lookup.namespace.numBufferedEntries</co
<h2><a class="anchor" aria-hidden="true" id="supported-lookups"></a><a href="#supported-lookups" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>For additional lookups, please see our <a href="/docs/latest/development/extensions.html">extensions list</a>.</p>
<h3><a class="anchor" aria-hidden="true" id="uri-lookup"></a><a href="#uri-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
-<p>The remapping values for each globally cached lookup can be specified by a json object as per the following examples:</p>
+<p>The remapping values for each globally cached lookup can be specified by a JSON object as per the following examples:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"uri"</span>,
<span class="hljs-attr">"uri"</span>: <span class="hljs-string">"s3://bucket/some/key/prefix/renames-0003.gz"</span>,
@@ -341,7 +341,7 @@ truck|<span class="hljs-type">something</span>,<span class="hljs-number">3</span
<p>With customJson parsing, if the value field for a particular row is missing or null then that line will be skipped, and
will not be included in the lookup.</p>
<h4><a class="anchor" aria-hidden="true" id="simplejson-lookupparsespec"></a><a href="#simplejson-lookupparsespec" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>The <code>simpleJson</code> lookupParseSpec does not take any parameters. It is simply a line delimited json file where the field is the key, and the field's value is the value.</p>
+<p>The <code>simpleJson</code> lookupParseSpec does not take any parameters. It is simply a line delimited JSON file where the field is the key, and the field's value is the value.</p>
<p><em>example input</em></p>
<pre><code class="hljs css language-json">{<span class="hljs-attr">"foo"</span>: <span class="hljs-string">"bar"</span>}
{<span class="hljs-attr">"baz"</span>: <span class="hljs-string">"bat"</span>}
@@ -353,7 +353,7 @@ will not be included in the lookup.</p>
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="jdbc-lookup"></a><a href="#jdbc-lookup" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>The JDBC lookups will poll a database to populate its local cache. If the <code>tsColumn</code> is set it must be able to accept comparisons in the format <code>'2015-01-01 00:00:00'</code>. For example, the following must be valid sql for the table <code>SELECT * FROM some_lookup_table WHERE timestamp_column > '2015-01-01 00:00:00'</code>. If <code>tsColumn</code> is set, the caching service will attempt to only poll values that were written <em>after</em> the last sync. If <code> [...]
+<p>The JDBC lookups will poll a database to populate its local cache. If the <code>tsColumn</code> is set it must be able to accept comparisons in the format <code>'2015-01-01 00:00:00'</code>. For example, the following must be valid SQL for the table <code>SELECT * FROM some_lookup_table WHERE timestamp_column > '2015-01-01 00:00:00'</code>. If <code>tsColumn</code> is set, the caching service will attempt to only poll values that were written <em>after</em> the last sync. If <code> [...]
<table>
<thead>
<tr><th>Parameter</th><th>Description</th><th>Required</th><th>Default</th></tr>
diff --git a/docs/latest/development/extensions-core/mysql.html b/docs/latest/development/extensions-core/mysql.html
index 1b21281..762cbb8 100644
--- a/docs/latest/development/extensions-core/mysql.html
+++ b/docs/latest/development/extensions-core/mysql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/orc.html b/docs/latest/development/extensions-core/orc.html
index fa13a19..67af8b3 100644
--- a/docs/latest/development/extensions-core/orc.html
+++ b/docs/latest/development/extensions-core/orc.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -297,7 +297,7 @@ setting <code>"mapreduce.job.user.classpath.first": "true"</
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="migration-from-contrib-extension"></a><a href="#migration-from-contrib-extension" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
<p>This extension, first available in version 0.15.0, replaces the previous 'contrib' extension which was available until
-0.14.0-incubating. While this extension can index any data the 'contrib' extension could, the json spec for the
+0.14.0-incubating. While this extension can index any data the 'contrib' extension could, the JSON spec for the
ingestion task is <em>incompatible</em>, and will need modified to work with the newer 'core' extension.</p>
<p>To migrate to 0.15.0+:</p>
<ul>
diff --git a/docs/latest/development/extensions-core/parquet.html b/docs/latest/development/extensions-core/parquet.html
index 27d508d..25eac2c 100644
--- a/docs/latest/development/extensions-core/parquet.html
+++ b/docs/latest/development/extensions-core/parquet.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -97,11 +97,11 @@ the <code>ioConfig</code>:</p>
<p>Both parse options support auto field discovery and flattening if provided with a
<a href="/docs/latest/ingestion/index.html#flattenspec"><code>flattenSpec</code></a> with <code>parquet</code> or <code>avro</code> as the format. Parquet nested list and map
<a href="https://github.com/apache/parquet-format/blob/master/LogicalTypes.md">logical types</a> <em>should</em> operate correctly with
-json path expressions for all supported types. <code>parquet-avro</code> sets a hadoop job property
+JSON path expressions for all supported types. <code>parquet-avro</code> sets a hadoop job property
<code>parquet.avro.add-list-element-records</code> to <code>false</code> (which normally defaults to <code>true</code>), in order to 'unwrap' primitive
list elements into multi-value dimensions.</p>
<p>The <code>parquet</code> parser supports <code>int96</code> Parquet values, while <code>parquet-avro</code> does not. There may also be some subtle
-differences in the behavior of json path expression evaluation of <code>flattenSpec</code>.</p>
+differences in the behavior of JSON path expression evaluation of <code>flattenSpec</code>.</p>
<p>We suggest using <code>parquet</code> over <code>parquet-avro</code> to allow ingesting data beyond the schema constraints of Avro conversion.
However, <code>parquet-avro</code> was the original basis for this extension, and as such it is a bit more mature.</p>
<table>
diff --git a/docs/latest/development/extensions-core/postgresql.html b/docs/latest/development/extensions-core/postgresql.html
index d00c9d6..04a376b 100644
--- a/docs/latest/development/extensions-core/postgresql.html
+++ b/docs/latest/development/extensions-core/postgresql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -113,7 +113,7 @@ with the location (host name and port) of the database.</p>
<span class="hljs-meta">druid.metadata.storage.connector.password</span>=<span class="hljs-string">diurd</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>In most cases, the configuration options map directly to the <a href="https://jdbc.postgresql.org/documentation/head/connect.html">postgres jdbc connection options</a>.</p>
+<p>In most cases, the configuration options map directly to the <a href="https://jdbc.postgresql.org/documentation/head/connect.html">postgres JDBC connection options</a>.</p>
<table>
<thead>
<tr><th>Property</th><th>Description</th><th>Default</th><th>Required</th></tr>
diff --git a/docs/latest/development/extensions-core/protobuf.html b/docs/latest/development/extensions-core/protobuf.html
index a119599..1101094 100644
--- a/docs/latest/development/extensions-core/protobuf.html
+++ b/docs/latest/development/extensions-core/protobuf.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -87,7 +87,7 @@
<tr><td>type</td><td>String</td><td>This should say <code>protobuf</code>.</td><td>no</td></tr>
<tr><td>descriptor</td><td>String</td><td>Protobuf descriptor file name in the classpath or URL.</td><td>yes</td></tr>
<tr><td>protoMessageType</td><td>String</td><td>Protobuf message type in the descriptor. Both short name and fully qualified name are accepted. The parser uses the first message type found in the descriptor if not specified.</td><td>no</td></tr>
-<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. The format must be json. See <a href="/docs/latest/ingestion/index.html">JSON ParseSpec</a> for more configuration options. Please note timeAndDims parseSpec is no longer supported.</td><td>yes</td></tr>
+<tr><td>parseSpec</td><td>JSON Object</td><td>Specifies the timestamp and dimensions of the data. The format must be JSON. See <a href="/docs/latest/ingestion/index.html">JSON ParseSpec</a> for more configuration options. Please note timeAndDims parseSpec is no longer supported.</td><td>yes</td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="example-load-protobuf-messages-from-kafka"></a><a href="#example-load-protobuf-messages-from-kafka" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 [...]
@@ -137,7 +137,7 @@ Please make sure these keys are properly configured for successful ingestion.</p
<li><code>protoMessageType</code> from the proto definition.</li>
<li>parseSpec <code>format</code> must be <code>json</code>.</li>
<li><code>topic</code> to subscribe. The topic is "metrics_pb" instead of "metrics".</li>
-<li><code>bootstrap.server</code> is the kafka broker host.</li>
+<li><code>bootstrap.server</code> is the Kafka broker host.</li>
</ul>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"kafka"</span>,
diff --git a/docs/latest/development/extensions-core/s3.html b/docs/latest/development/extensions-core/s3.html
index b4b0551..d730087 100644
--- a/docs/latest/development/extensions-core/s3.html
+++ b/docs/latest/development/extensions-core/s3.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -92,9 +92,9 @@
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.s3.accessKey</code></td><td>S3 access key.See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
-<tr><td><code>druid.s3.secretKey</code></td><td>S3 secret key.See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
-<tr><td><code>druid.s3.fileSessionCredentials</code></td><td>Path to properties file containing <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> value. One key/value pair per line (format <code>key=value</code>). See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be ommitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.accessKey</code></td><td>S3 access key. See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.secretKey</code></td><td>S3 secret key. See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
+<tr><td><code>druid.s3.fileSessionCredentials</code></td><td>Path to properties file containing <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> value. One key/value pair per line (format <code>key=value</code>). See <a href="#s3-authentication-methods">S3 authentication methods</a> for more details</td><td>Can be omitted according to authentication methods chosen.</td></tr>
<tr><td><code>druid.s3.protocol</code></td><td>Communication protocol type to use when sending requests to AWS. <code>http</code> or <code>https</code> can be used. This configuration would be ignored if <code>druid.s3.endpoint.url</code> is filled with a URL with a different protocol.</td><td><code>https</code></td></tr>
<tr><td><code>druid.s3.disableChunkedEncoding</code></td><td>Disables chunked encoding. See <a href="https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#disableChunkedEncoding--">AWS document</a> for details.</td><td>false</td></tr>
<tr><td><code>druid.s3.enablePathStyleAccess</code></td><td>Enables path style access. See <a href="https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#enablePathStyleAccess--">AWS document</a> for details.</td><td>false</td></tr>
@@ -127,16 +127,16 @@ If <code>druid.storage.disableAcl</code> is set to <code>false</code>, then <cod
</thead>
<tbody>
<tr><td>1</td><td>Druid config file</td><td>Based on your runtime.properties if it contains values <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code></td></tr>
-<tr><td>2</td><td>Custom properties file</td><td>Based on custom properties file where you can supply <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> values. This file is provided to Druid through <code>druid.s3.fileSessionCredentials</code> propertie</td></tr>
+<tr><td>2</td><td>Custom properties file</td><td>Based on custom properties file where you can supply <code>sessionToken</code>, <code>accessKey</code> and <code>secretKey</code> values. This file is provided to Druid through <code>druid.s3.fileSessionCredentials</code> properties</td></tr>
<tr><td>3</td><td>Environment variables</td><td>Based on environment variables <code>AWS_ACCESS_KEY_ID</code> and <code>AWS_SECRET_ACCESS_KEY</code></td></tr>
<tr><td>4</td><td>Java system properties</td><td>Based on JVM properties <code>aws.accessKeyId</code> and <code>aws.secretKey</code></td></tr>
-<tr><td>5</td><td>Profile informations</td><td>Based on credentials you may have on your druid instance (generally in <code>~/.aws/credentials</code>)</td></tr>
-<tr><td>6</td><td>Instance profile informations</td><td>Based on the instance profile you may have attached to your druid instance</td></tr>
+<tr><td>5</td><td>Profile information</td><td>Based on credentials you may have on your druid instance (generally in <code>~/.aws/credentials</code>)</td></tr>
+<tr><td>6</td><td>Instance profile information</td><td>Based on the instance profile you may have attached to your druid instance</td></tr>
</tbody>
</table>
-<p>You can find more informations about authentication method <a href="https://docs.aws.amazon.com/fr_fr/sdk-for-java/v1/developer-guide/credentials.html">here</a><br/>
+<p>You can find more information about authentication method <a href="https://docs.aws.amazon.com/fr_fr/sdk-for-java/v1/developer-guide/credentials.html">here</a><br/>
<strong>Note :</strong> <em>Order is important here as it indicates the precedence of authentication methods.<br/>
-So if you are trying to use Instance profile informations, you <strong>must not</strong> set <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code> in your Druid runtime.properties</em></p>
+So if you are trying to use Instance profile information, you <strong>must not</strong> set <code>druid.s3.accessKey</code> and <code>druid.s3.secretKey</code> in your Druid runtime.properties</em></p>
<h2><a class="anchor" aria-hidden="true" id="server-side-encryption"></a><a href="#server-side-encryption" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
<p>You can enable <a href="https://docs.aws.amazon.com/AmazonS3/latest/dev/serv-side-encryption.html">server-side encryption</a> by setting
<code>druid.storage.sse.type</code> to a supported type of server-side encryption. The current supported types are:</p>
diff --git a/docs/latest/development/extensions-core/simple-client-sslcontext.html b/docs/latest/development/extensions-core/simple-client-sslcontext.html
index b83c0a8..6db37fb 100644
--- a/docs/latest/development/extensions-core/simple-client-sslcontext.html
+++ b/docs/latest/development/extensions-core/simple-client-sslcontext.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/development/extensions-core/stats.html b/docs/latest/development/extensions-core/stats.html
index e8794f1..50b2390 100644
--- a/docs/latest/development/extensions-core/stats.html
+++ b/docs/latest/development/extensions-core/stats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/development/extensions-core/test-stats.html b/docs/latest/development/extensions-core/test-stats.html
index a7fb1fc..e0c08db 100644
--- a/docs/latest/development/extensions-core/test-stats.html
+++ b/docs/latest/development/extensions-core/test-stats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -78,7 +78,7 @@
~ under the License.
-->
<p>This Apache Druid (incubating) extension incorporates test statistics related aggregators, including z-score and p-value. Please refer to <a href="https://www.paypal-engineering.com/2017/06/29/democratizing-experimentation-data-for-product-innovations/">https://www.paypal-engineering.com/2017/06/29/democratizing-experimentation-data-for-product-innovations/</a> for math background and details.</p>
-<p>Make sure to include <code>druid-stats</code> extension in order to use these aggregrators.</p>
+<p>Make sure to include <code>druid-stats</code> extension in order to use these aggregators.</p>
<h2><a class="anchor" aria-hidden="true" id="z-score-for-two-sample-ztests-post-aggregator"></a><a href="#z-score-for-two-sample-ztests-post-aggregator" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h- [...]
<p>Please refer to <a href="https://www.isixsigma.com/tools-templates/hypothesis-testing/making-sense-two-proportions-test/">https://www.isixsigma.com/tools-templates/hypothesis-testing/making-sense-two-proportions-test/</a> and <a href="http://www.ucs.louisiana.edu/~jcb0773/Berry_statbook/Berry_statbook_chpt6.pdf">http://www.ucs.louisiana.edu/~jcb0773/Berry_statbook/Berry_statbook_chpt6.pdf</a> for more details.</p>
<p>z = (p1 - p2) / S.E. (assuming null hypothesis is true)</p>
diff --git a/docs/latest/development/extensions.html b/docs/latest/development/extensions.html
index a873290..7d9a286 100644
--- a/docs/latest/development/extensions.html
+++ b/docs/latest/development/extensions.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -133,7 +133,7 @@ If you'd like to take on maintenance for a community extension, please post on <
<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="/docs/latest/development/extensions-contrib/distinctcount.html">link</a></td></tr>
<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="/docs/latest/development/extensions-contrib/redis-cache.html">link</a></td></tr>
<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="/docs/latest/development/extensions-contrib/time-min-max.html">link</a></td></tr>
-<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="/docs/latest/development/extensions-contrib/sqlserver.html">link</a></td></tr>
+<tr><td>sqlserver-metadata-storage</td><td>Microsoft SQLServer deep storage.</td><td><a href="/docs/latest/development/extensions-contrib/sqlserver.html">link</a></td></tr>
<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/graphite.html">link</a></td></tr>
<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/statsd.html">link</a></td></tr>
<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
diff --git a/docs/latest/development/geo.html b/docs/latest/development/geo.html
index 9cbaf1a..46be3c6 100644
--- a/docs/latest/development/geo.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/development/indexer.md b/docs/latest/development/indexer.html
similarity index 100%
rename from docs/0.16.0-incubating/development/indexer.md
rename to docs/latest/development/indexer.html
diff --git a/docs/latest/development/integrating-druid-with-other-technologies.html b/docs/latest/development/integrating-druid-with-other-technologies.html
index 8c602c4..6013623 100644
--- a/docs/latest/development/integrating-druid-with-other-technologies.html
+++ b/docs/latest/development/integrating-druid-with-other-technologies.html
@@ -1,88 +1,8 @@
-<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Integrating Apache Druid with other technologies · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Integrating Apache Druid with other technologies · Apache Druid"/><meta proper [...]
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- function gtag(){dataLayer.push(arguments); }
- gtag('js', new Date());
- gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- while(el !== headings){
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- event.preventDefault();
-
- target.classList.toggle(className);
- };
- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/integrating-druid-with-other-technologies.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Integrating Apache Druid with other technologies</h1></header><article><div><span><!--
- ~ Licensed to the Apache Software Foundation (ASF) under one
- ~ or more contributor license agreements. See the NOTICE file
- ~ distributed with this work for additional information
- ~ regarding copyright ownership. The ASF licenses this file
- ~ to you under the Apache License, Version 2.0 (the
- ~ "License"); you may not use this file except in compliance
- ~ with the License. You may obtain a copy of the License at
- ~
- ~ http://www.apache.org/licenses/LICENSE-2.0
- ~
- ~ Unless required by applicable law or agreed to in writing,
- ~ software distributed under the License is distributed on an
- ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- ~ KIND, either express or implied. See the License for the
- ~ specific language governing permissions and limitations
- ~ under the License.
- -->
-<p>This page discusses how we can integrate Druid with other technologies.</p>
-<h2><a class="anchor" aria-hidden="true" id="integrating-with-open-source-streaming-technologies"></a><a href="#integrating-with-open-source-streaming-technologies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 [...]
-<p>Event streams can be stored in a distributed message bus such as Kafka and further processed via a distributed stream
-processor system such as Storm, Samza, or Spark Streaming. Data processed by the stream processor can feed into Druid using
-the <a href="https://github.com/druid-io/tranquility">Tranquility</a> library.</p>
-<p><img src="../assets/druid-production.png" width="800"/></p>
-<h2><a class="anchor" aria-hidden="true" id="integrating-with-sql-on-hadoop-technologies"></a><a href="#integrating-with-sql-on-hadoop-technologies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h [...]
-<p>Druid should theoretically integrate well with SQL-on-Hadoop technologies such as Apache Drill, Spark SQL, Presto, Impala, and Hive.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/peons.html"><span class="arrow-prev">← </span><span>Peons</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/approximate-histograms.html"><span>Approximate Histogram aggregators</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#integrating-with-open-source-streaming-technol [...]
\ No newline at end of file
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../ingestion/index.html">
+<meta http-equiv="refresh" content="0; url=../ingestion/index.html">
+<h1>Redirecting...</h1>
+<a href="../ingestion/index.html">Click here if you are not redirected.</a>
+<script>location="../ingestion/index.html"</script>
diff --git a/docs/latest/development/javascript.html b/docs/latest/development/javascript.html
index 66ff9e3..27b18ff 100644
--- a/docs/latest/development/javascript.html
+++ b/docs/latest/development/javascript.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -93,8 +93,8 @@
without needing to write and deploy Druid extensions.</p>
<p>Druid uses the Mozilla Rhino engine at optimization level 9 to compile and execute JavaScript.</p>
<h2><a class="anchor" aria-hidden="true" id="security"></a><a href="#security" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p>Druid does not execute JavaScript functions in a sandbox, so they have full access to the machine. So Javascript
-functions allow users to execute arbitrary code inside druid process. So, by default, Javascript is disabled.
+<p>Druid does not execute JavaScript functions in a sandbox, so they have full access to the machine. So JavaScript
+functions allow users to execute arbitrary code inside druid process. So, by default, JavaScript is disabled.
However, on dev/staging environments or secured production environments you can enable those by setting
the <a href="../configuration/index.html#javascript">configuration property</a>
<code>druid.javascript.enabled = true</code>.</p>
diff --git a/docs/latest/development/modules.html b/docs/latest/development/modules.html
index 9b0b468..e701d9a 100644
--- a/docs/latest/development/modules.html
+++ b/docs/latest/development/modules.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -182,12 +182,12 @@ T00:00:00.000Z/2015<span class="hljs-string">-04</span><span class="hljs-string"
);
}
</code></pre>
-<p>This is registering the FirehoseFactory with Jackson's polymorphic serde layer. More concretely, having this will mean that if you specify a <code>"firehose": { "type": "static-s3", ... }</code> in your realtime config, then the system will load this FirehoseFactory for your firehose.</p>
+<p>This is registering the FirehoseFactory with Jackson's polymorphic serialization/deserialization layer. More concretely, having this will mean that if you specify a <code>"firehose": { "type": "static-s3", ... }</code> in your realtime config, then the system will load this FirehoseFactory for your firehose.</p>
<p>Note that inside of Druid, we have made the @JacksonInject annotation for Jackson deserialized objects actually use the base Guice injector to resolve the object to be injected. So, if your FirehoseFactory needs access to some object, you can add a @JacksonInject annotation on a setter and it will get set on instantiation.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-aggregators"></a><a href="#adding-aggregators" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>Adding AggregatorFactory objects is very similar to Firehose objects. They operate purely through Jackson and thus should just be additions to the Jackson modules returned by your DruidModule.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-complex-metrics"></a><a href="#adding-complex-metrics" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
-<p>Adding ComplexMetrics is a little ugly in the current version. The method of getting at complex metrics is through registration with the <code>ComplexMetrics.registerSerde()</code> method. There is no special Guice stuff to get this working, just in your <code>configure(Binder)</code> method register the serde.</p>
+<p>Adding ComplexMetrics is a little ugly in the current version. The method of getting at complex metrics is through registration with the <code>ComplexMetrics.registerSerde()</code> method. There is no special Guice stuff to get this working, just in your <code>configure(Binder)</code> method register the serialization/deserialization.</p>
<h3><a class="anchor" aria-hidden="true" id="adding-new-query-types"></a><a href="#adding-new-query-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
<p>Adding a new Query type requires the implementation of three interfaces.</p>
<ol>
diff --git a/docs/latest/development/overview.html b/docs/latest/development/overview.html
index 782e533..57416dd 100644
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+++ b/docs/latest/development/overview.html
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diff --git a/docs/0.16.0-incubating/development/router.md b/docs/latest/development/router.html
similarity index 100%
rename from docs/0.16.0-incubating/development/router.md
rename to docs/latest/development/router.html
diff --git a/docs/latest/development/versioning.html b/docs/latest/development/versioning.html
index 62d0d75..5beebdd 100644
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+++ b/docs/latest/development/versioning.html
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diff --git a/docs/0.16.0-incubating/ingestion/hadoop-vs-native-batch.md b/docs/latest/ingestion/batch-ingestion.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/hadoop-vs-native-batch.md
rename to docs/latest/ingestion/batch-ingestion.html
diff --git a/docs/0.16.0-incubating/ingestion/command-line-hadoop-indexer.md b/docs/latest/ingestion/command-line-hadoop-indexer.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/command-line-hadoop-indexer.md
rename to docs/latest/ingestion/command-line-hadoop-indexer.html
diff --git a/docs/0.16.0-incubating/ingestion/compaction.md b/docs/latest/ingestion/compaction.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/compaction.md
rename to docs/latest/ingestion/compaction.html
diff --git a/docs/latest/ingestion/data-formats.html b/docs/latest/ingestion/data-formats.html
index 3b813e3..0585bca 100644
--- a/docs/latest/ingestion/data-formats.html
+++ b/docs/latest/ingestion/data-formats.html
@@ -3,7 +3,7 @@
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diff --git a/docs/latest/ingestion/data-management.html b/docs/latest/ingestion/data-management.html
index 1a06265..0cb9173 100644
--- a/docs/latest/ingestion/data-management.html
+++ b/docs/latest/ingestion/data-management.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -146,7 +146,7 @@ metric will generally "do the right thing". Aggregations over this mis
<tr><td><code>dimensionsSpec</code></td><td>Custom dimensionsSpec. Compaction task will use this dimensionsSpec if exist instead of generating one. See below for more details.</td><td>No</td></tr>
<tr><td><code>metricsSpec</code></td><td>Custom metricsSpec. Compaction task will use this metricsSpec if specified rather than generating one.</td><td>No</td></tr>
<tr><td><code>segmentGranularity</code></td><td>If this is set, compactionTask will change the segment granularity for the given interval. See <code>segmentGranularity</code> of <a href="/docs/latest/ingestion/index.html#granularityspec"><code>granularitySpec</code></a> for more details. See the below table for the behavior.</td><td>No</td></tr>
-<tr><td><code>targetCompactionSizeBytes</code></td><td>Target segment size after comapction. Cannot be used with <code>maxRowsPerSegment</code>, <code>maxTotalRows</code>, and <code>numShards</code> in tuningConfig.</td><td>No</td></tr>
+<tr><td><code>targetCompactionSizeBytes</code></td><td>Target segment size after compaction. Cannot be used with <code>maxRowsPerSegment</code>, <code>maxTotalRows</code>, and <code>numShards</code> in tuningConfig.</td><td>No</td></tr>
<tr><td><code>tuningConfig</code></td><td><a href="/docs/latest/ingestion/native-batch.html#tuningconfig">Index task tuningConfig</a></td><td>No</td></tr>
<tr><td><code>context</code></td><td><a href="/docs/latest/ingestion/tasks.html#context">Task context</a></td><td>No</td></tr>
</tbody>
diff --git a/docs/0.16.0-incubating/ingestion/delete-data.md b/docs/latest/ingestion/delete-data.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/delete-data.md
rename to docs/latest/ingestion/delete-data.html
diff --git a/docs/latest/ingestion/faq.html b/docs/latest/ingestion/faq.html
index bd1c4f8..6c0d162 100644
--- a/docs/latest/ingestion/faq.html
+++ b/docs/latest/ingestion/faq.html
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diff --git a/docs/0.16.0-incubating/ingestion/firehose.md b/docs/latest/ingestion/firehose.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/firehose.md
rename to docs/latest/ingestion/firehose.html
diff --git a/docs/0.16.0-incubating/ingestion/flatten-json.md b/docs/latest/ingestion/flatten-json.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/flatten-json.md
rename to docs/latest/ingestion/flatten-json.html
diff --git a/docs/0.16.0-incubating/ingestion/batch-ingestion.md b/docs/latest/ingestion/hadoop-vs-native-batch.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/batch-ingestion.md
rename to docs/latest/ingestion/hadoop-vs-native-batch.html
diff --git a/docs/latest/ingestion/hadoop.html b/docs/latest/ingestion/hadoop.html
index acc24d0..66758ad 100644
--- a/docs/latest/ingestion/hadoop.html
+++ b/docs/latest/ingestion/hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ For a walk-through instead, check out the <a href="/docs/latest/tutorials/tutori
<tr><td>type</td><td>The task type, this should always be "index_hadoop".</td><td>yes</td></tr>
<tr><td>spec</td><td>A Hadoop Index Spec. See <a href="/docs/latest/ingestion/index.html">Ingestion</a></td><td>yes</td></tr>
<tr><td>hadoopDependencyCoordinates</td><td>A JSON array of Hadoop dependency coordinates that Druid will use, this property will override the default Hadoop coordinates. Once specified, Druid will look for those Hadoop dependencies from the location specified by <code>druid.extensions.hadoopDependenciesDir</code></td><td>no</td></tr>
-<tr><td>classpathPrefix</td><td>Classpath that will be pre-appended for the Peon process.</td><td>no</td></tr>
+<tr><td>classpathPrefix</td><td>Classpath that will be prepended for the Peon process.</td><td>no</td></tr>
</tbody>
</table>
<p>Also note that Druid automatically computes the classpath for Hadoop job containers that run in the Hadoop cluster. But in case of conflicts between Hadoop and Druid's dependencies, you can manually specify the classpath by setting <code>druid.extensions.hadoopContainerDruidClasspath</code> property. See the extensions config in <a href="../configuration/index.html#extensions">base druid configuration</a>.</p>
@@ -235,7 +235,7 @@ s3n:<span class="hljs-regexp">//</span>billy-bucket<span class="hljs-regexp">/th
<tbody>
<tr><td>dataSource</td><td>String</td><td>Druid dataSource name from which you are loading the data.</td><td>yes</td></tr>
<tr><td>intervals</td><td>List</td><td>A list of strings representing ISO-8601 Intervals.</td><td>yes</td></tr>
-<tr><td>segments</td><td>List</td><td>List of segments from which to read data from, by default it is obtained automatically. You can obtain list of segments to put here by making a POST query to Coordinator at url /druid/coordinator/v1/metadata/datasources/segments?full with list of intervals specified in the request paylod e.g. ["2012-01-01T00:00:00.000/2012-01-03T00:00:00.000", "2012-01-05T00:00:00.000/2012-01-07T00:00:00.000"]. You may want to provide this list ma [...]
+<tr><td>segments</td><td>List</td><td>List of segments from which to read data from, by default it is obtained automatically. You can obtain list of segments to put here by making a POST query to Coordinator at url /druid/coordinator/v1/metadata/datasources/segments?full with list of intervals specified in the request payload, e.g. ["2012-01-01T00:00:00.000/2012-01-03T00:00:00.000", "2012-01-05T00:00:00.000/2012-01-07T00:00:00.000"]. You may want to provide this list [...]
<tr><td>filter</td><td>JSON</td><td>See <a href="/docs/latest/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>dimensions</td><td>Array of String</td><td>Name of dimension columns to load. By default, the list will be constructed from parseSpec. If parseSpec does not have an explicit list of dimensions then all the dimension columns present in stored data will be read.</td><td>no</td></tr>
<tr><td>metrics</td><td>Array of String</td><td>Name of metric columns to load. By default, the list will be constructed from the "name" of all the configured aggregators.</td><td>no</td></tr>
@@ -422,7 +422,7 @@ should be in advanced mode under "Edit software settings":</li>
on your EMR master.</li>
</ul>
<h2><a class="anchor" aria-hidden="true" id="kerberized-hadoop-clusters"></a><a href="#kerberized-hadoop-clusters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>By default druid can use the exisiting TGT kerberos ticket available in local kerberos key cache.
+<p>By default druid can use the existing TGT kerberos ticket available in local kerberos key cache.
Although TGT ticket has a limited life cycle,
therefore you need to call <code>kinit</code> command periodically to ensure validity of TGT ticket.
To avoid this extra external cron job script calling <code>kinit</code> periodically,
diff --git a/docs/latest/ingestion/index.html b/docs/latest/ingestion/index.html
index a9450bd..c407857 100644
--- a/docs/latest/ingestion/index.html
+++ b/docs/latest/ingestion/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -477,7 +477,7 @@ your ingestion spec.</p>
</thead>
<tbody>
<tr><td>column</td><td>Input row field to read the primary timestamp from.<br><br>Regardless of the name of this input field, the primary timestamp will always be stored as a column named <code>__time</code> in your Druid datasource.</td><td>timestamp</td></tr>
-<tr><td>format</td><td>Timestamp format. Options are: <ul><li><code>iso</code>: ISO8601 with 'T' separator, like "2000-01-01T01:02:03.456"</li><li><code>posix</code>: seconds since epoch</li><li><code>millis</code>: milliseconds since epoch</li><li><code>micro</code>: microseconds since epoch</li><li><code>nano</code>: nanoseconds since epoch</li><li><code>auto</code>: automatically detects iso (either 'T' or space separator) or millis format</li><li>any <a href="http://joda-ti [...]
+<tr><td>format</td><td>Timestamp format. Options are: <ul><li><code>iso</code>: ISO8601 with 'T' separator, like "2000-01-01T01:02:03.456"</li><li><code>posix</code>: seconds since epoch</li><li><code>millis</code>: milliseconds since epoch</li><li><code>micro</code>: microseconds since epoch</li><li><code>nano</code>: nanoseconds since epoch</li><li><code>auto</code>: automatically detects ISO (either 'T' or space separator) or millis format</li><li>any <a href="http://joda-ti [...]
<tr><td>missingValue</td><td>Timestamp to use for input records that have a null or missing timestamp <code>column</code>. Should be in ISO8601 format, like <code>"2000-01-01T01:02:03.456"</code>, even if you have specified something else for <code>format</code>. Since Druid requires a primary timestamp, this setting can be useful for ingesting datasets that do not have any per-record timestamps at all.</td><td>none</td></tr>
</tbody>
</table>
diff --git a/docs/0.16.0-incubating/ingestion/ingestion-spec.md b/docs/latest/ingestion/ingestion-spec.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/ingestion-spec.md
rename to docs/latest/ingestion/ingestion-spec.html
diff --git a/docs/0.16.0-incubating/ingestion/locking-and-priority.md b/docs/latest/ingestion/locking-and-priority.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/locking-and-priority.md
rename to docs/latest/ingestion/locking-and-priority.html
diff --git a/docs/0.16.0-incubating/ingestion/misc-tasks.md b/docs/latest/ingestion/misc-tasks.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/misc-tasks.md
rename to docs/latest/ingestion/misc-tasks.html
diff --git a/docs/latest/ingestion/native-batch.html b/docs/latest/ingestion/native-batch.html
index 0de5ba3..12e964b 100644
--- a/docs/latest/ingestion/native-batch.html
+++ b/docs/latest/ingestion/native-batch.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -103,10 +103,10 @@ In the first phase, each sub task partitions input data based on <code>segmentGr
and <code>partitionDimensions</code> (secondary partition key) in <code>partitionsSpec</code>. The partitioned data is served by
the <a href="/docs/latest/design/middlemanager.html">middleManager</a> or the <a href="/docs/latest/design/indexer.html">indexer</a>
where the first phase tasks ran. In the second phase, each sub task fetches
-partitioned data from middleManagers or indexers and merges them to create the final segments.
+partitioned data from MiddleManagers or indexers and merges them to create the final segments.
As in the single phase execution, the created segments are reported to the supervisor task to publish at once.</p>
<p>To use this task, the <code>firehose</code> in <code>ioConfig</code> should be <em>splittable</em> and <code>maxNumConcurrentSubTasks</code> should be set something larger than 1 in <code>tuningConfig</code>.
-Otherwise, this task runs sequentially. Here is the list of currently splittable fireshoses.</p>
+Otherwise, this task runs sequentially. Here is the list of currently splittable firehoses.</p>
<ul>
<li><a href="#local-firehose"><code>LocalFirehose</code></a></li>
<li><a href="#segment-firehose"><code>IngestSegmentFirehose</code></a></li>
@@ -219,7 +219,7 @@ left alone.</li>
<p>See <a href="/docs/latest/ingestion/index.html#dataschema">Ingestion Spec DataSchema</a></p>
<p>If you specify <code>intervals</code> explicitly in your dataSchema's granularitySpec, batch ingestion will lock the full intervals
specified when it starts up, and you will learn quickly if the specified interval overlaps with locks held by other
-tasks (eg, Kafka ingestion). Otherwise, batch ingestion will lock each interval as it is discovered, so you may only
+tasks (e.g., Kafka ingestion). Otherwise, batch ingestion will lock each interval as it is discovered, so you may only
learn that the task overlaps with a higher-priority task later in ingestion. If you specify <code>intervals</code> explicitly, any
rows outside the specified intervals will be thrown away. We recommend setting <code>intervals</code> explicitly if you know the
time range of the data so that locking failure happens faster, and so that you don't accidentally replace data outside
@@ -260,7 +260,7 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>maxRetry</td><td>Maximum number of retries on task failures.</td><td>3</td><td>no</td></tr>
<tr><td>maxNumSegmentsToMerge</td><td>Max limit for the number of segments that a single task can merge at the same time in the second phase. Used only <code>forceGuaranteedRollup</code> is set.</td><td>100</td><td>no</td></tr>
<tr><td>totalNumMergeTasks</td><td>Total number of tasks to merge segments in the second phase when <code>forceGuaranteedRollup</code> is set.</td><td>10</td><td>no</td></tr>
-<tr><td>taskStatusCheckPeriodMs</td><td>Polling period in milleseconds to check running task statuses.</td><td>1000</td><td>no</td></tr>
+<tr><td>taskStatusCheckPeriodMs</td><td>Polling period in milliseconds to check running task statuses.</td><td>1000</td><td>no</td></tr>
<tr><td>chatHandlerTimeout</td><td>Timeout for reporting the pushed segments in worker tasks.</td><td>PT10S</td><td>no</td></tr>
<tr><td>chatHandlerNumRetries</td><td>Retries for reporting the pushed segments in worker tasks.</td><td>5</td><td>no</td></tr>
</tbody>
diff --git a/docs/latest/ingestion/native_tasks.md b/docs/latest/ingestion/native_tasks.md
deleted file mode 100644
index 0fc7a4d..0000000
--- a/docs/latest/ingestion/native_tasks.md
+++ /dev/null
@@ -1,8 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>Redirecting...</title>
-<link rel="canonical" href="native-batch.html">
-<meta http-equiv="refresh" content="0; url=native-batch.html">
-<h1>Redirecting...</h1>
-<a href="native-batch.html">Click here if you are not redirected.</a>
-<script>location="native-batch.html"</script>
diff --git a/docs/0.16.0-incubating/ingestion/reports.md b/docs/latest/ingestion/reports.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/reports.md
rename to docs/latest/ingestion/reports.html
diff --git a/docs/0.16.0-incubating/ingestion/schema-changes.md b/docs/latest/ingestion/schema-changes.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/schema-changes.md
rename to docs/latest/ingestion/schema-changes.html
diff --git a/docs/latest/ingestion/schema-design.html b/docs/latest/ingestion/schema-design.html
index da8e1d4..0d73a6a 100644
--- a/docs/latest/ingestion/schema-design.html
+++ b/docs/latest/ingestion/schema-design.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/ingestion/standalone-realtime.html b/docs/latest/ingestion/standalone-realtime.html
index c3f8dfd..44e9ee6 100644
--- a/docs/latest/ingestion/standalone-realtime.html
+++ b/docs/latest/ingestion/standalone-realtime.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/ingestion/stream-ingestion.md b/docs/latest/ingestion/stream-ingestion.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/stream-ingestion.md
rename to docs/latest/ingestion/stream-ingestion.html
diff --git a/docs/0.16.0-incubating/configuration/realtime.md b/docs/latest/ingestion/stream-pull.html
similarity index 100%
rename from docs/0.16.0-incubating/configuration/realtime.md
rename to docs/latest/ingestion/stream-pull.html
diff --git a/docs/0.16.0-incubating/ingestion/stream-push.md b/docs/latest/ingestion/stream-push.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/stream-push.md
rename to docs/latest/ingestion/stream-push.html
diff --git a/docs/latest/ingestion/tasks.html b/docs/latest/ingestion/tasks.html
index c025067..20f6ad9 100644
--- a/docs/latest/ingestion/tasks.html
+++ b/docs/latest/ingestion/tasks.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -196,7 +196,7 @@ and Kinesis indexing services.</p>
<p><a name="locks"></a></p>
<h2><a class="anchor" aria-hidden="true" id="task-lock-system"></a><a href="#task-lock-system" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>This section explains the task locking system in Druid. Druid's locking system
-and versioning system are tighly coupled with each other to guarantee the correctness of ingested data.</p>
+and versioning system are tightly coupled with each other to guarantee the correctness of ingested data.</p>
<h2><a class="anchor" aria-hidden="true" id="overshadowing-between-segments"></a><a href="#overshadowing-between-segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
<p>You can run a task to overwrite existing data. The segments created by an overwriting task <em>overshadows</em> existing segments.
Note that the overshadow relation holds only for the same time chunk and the same data source.
@@ -255,7 +255,7 @@ If a task of a higher priority asks a lock later than another of a lower priorit
then this task will <em>preempt</em> the other task of a lower priority. The lock
of the lower-prioritized task will be revoked and the higher-prioritized task will acquire a new lock.</p>
<p>This lock preemption can happen at any time while a task is running except
-when it is <em>publishing segments</em> in a critical section. Its locks become preemptable again once publishing segments is finished.</p>
+when it is <em>publishing segments</em> in a critical section. Its locks become preemptible again once publishing segments is finished.</p>
<p>Note that locks are shared by the tasks of the same groupId.
For example, Kafka indexing tasks of the same supervisor have the same groupId and share all locks with each other.</p>
<p><a name="priority"></a></p>
diff --git a/docs/latest/ingestion/tranquility.html b/docs/latest/ingestion/tranquility.html
index 31778f1..cac8e5b 100644
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+++ b/docs/latest/ingestion/tranquility.html
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diff --git a/docs/0.16.0-incubating/ingestion/transform-spec.md b/docs/latest/ingestion/transform-spec.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/transform-spec.md
rename to docs/latest/ingestion/transform-spec.html
diff --git a/docs/0.16.0-incubating/ingestion/update-existing-data.md b/docs/latest/ingestion/update-existing-data.html
similarity index 100%
rename from docs/0.16.0-incubating/ingestion/update-existing-data.md
rename to docs/latest/ingestion/update-existing-data.html
diff --git a/docs/latest/misc/math-expr.html b/docs/latest/misc/math-expr.html
index 08794ff..ef71a3f 100644
--- a/docs/latest/misc/math-expr.html
+++ b/docs/latest/misc/math-expr.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -164,7 +164,7 @@ allows transforming the stringified dimension back into the true native array ty
<tr><th>name</th><th>description</th></tr>
</thead>
<tbody>
-<tr><td>timestamp</td><td>timestamp(expr[,format-string]) parses string expr into date then returns milli-seconds from java epoch. without 'format-string' it's regarded as ISO datetime format</td></tr>
+<tr><td>timestamp</td><td>timestamp(expr[,format-string]) parses string expr into date then returns milliseconds from java epoch. without 'format-string' it's regarded as ISO datetime format</td></tr>
<tr><td>unix_timestamp</td><td>same with 'timestamp' function but returns seconds instead</td></tr>
<tr><td>timestamp_ceil</td><td>timestamp_ceil(expr, period, [origin, [timezone]]) rounds up a timestamp, returning it as a new timestamp. Period can be any ISO8601 period, like P3M (quarters) or PT12H (half-days). The time zone, if provided, should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td></tr>
<tr><td>timestamp_floor</td><td>timestamp_floor(expr, period, [origin, [timezone]]) rounds down a timestamp, returning it as a new timestamp. Period can be any ISO8601 period, like P3M (quarters) or PT12H (half-days). The time zone, if provided, should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td></tr>
@@ -251,10 +251,10 @@ allows transforming the stringified dimension back into the true native array ty
</thead>
<tbody>
<tr><td>map(lambda,arr)</td><td>applies a transform specified by a single argument lambda expression to all elements of arr, returning a new array</td></tr>
-<tr><td>cartesian_map(lambda,arr1,arr2,...)</td><td>applies a transform specified by a multi argument lambda expression to all elements of the cartesian product of all input arrays, returning a new array; the number of lambda arguments and array inputs must be the same</td></tr>
+<tr><td>cartesian_map(lambda,arr1,arr2,...)</td><td>applies a transform specified by a multi argument lambda expression to all elements of the Cartesian product of all input arrays, returning a new array; the number of lambda arguments and array inputs must be the same</td></tr>
<tr><td>filter(lambda,arr)</td><td>filters arr by a single argument lambda, returning a new array with all matching elements, or null if no elements match</td></tr>
<tr><td>fold(lambda,arr)</td><td>folds a 2 argument lambda across arr. The first argument of the lambda is the array element and the second the accumulator, returning a single accumulated value.</td></tr>
-<tr><td>cartesian_fold(lambda,arr1,arr2,...)</td><td>folds a multi argument lambda across the cartesian product of all input arrays. The first arguments of the lambda is the array element and the last is the accumulator, returning a single accumulated value.</td></tr>
+<tr><td>cartesian_fold(lambda,arr1,arr2,...)</td><td>folds a multi argument lambda across the Cartesian product of all input arrays. The first arguments of the lambda is the array element and the last is the accumulator, returning a single accumulated value.</td></tr>
<tr><td>any(lambda,arr)</td><td>returns 1 if any element in the array matches the lambda expression, else 0</td></tr>
<tr><td>all(lambda,arr)</td><td>returns 1 if all elements in the array matches the lambda expression, else 0</td></tr>
</tbody>
diff --git a/docs/latest/misc/papers-and-talks.html b/docs/latest/misc/papers-and-talks.html
index f23bf87..29992a3 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/alerts.html b/docs/latest/operations/alerts.html
index 35ab0f8..d2a0916 100644
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+++ b/docs/latest/operations/alerts.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/api-reference.html b/docs/latest/operations/api-reference.html
index bbec993..59cc805 100644
--- a/docs/latest/operations/api-reference.html
+++ b/docs/latest/operations/api-reference.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -381,7 +381,7 @@ result of this API call.</p>
<li><code>/druid/coordinator/v1/config/compaction/taskslots?ratio={someRatio}&max={someMaxSlots}</code></li>
</ul>
<p>Update the capacity for compaction tasks. <code>ratio</code> and <code>max</code> are used to limit the max number of compaction tasks.
-They mean the ratio of the total task slots to the copmaction task slots and the maximum number of task slots for compaction tasks, respectively.
+They mean the ratio of the total task slots to the compaction task slots and the maximum number of task slots for compaction tasks, respectively.
The actual max number of compaction tasks is <code>min(max, ratio * total task slots)</code>.
Note that <code>ratio</code> and <code>max</code> are optional and can be omitted. If they are omitted, default values (0.1 and unbounded)
will be set for them.</p>
diff --git a/docs/latest/operations/basic-cluster-tuning.html b/docs/latest/operations/basic-cluster-tuning.html
index e091abf..ccafe52 100644
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diff --git a/docs/latest/operations/deep-storage-migration.html b/docs/latest/operations/deep-storage-migration.html
index 67cf006..b24615c 100644
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diff --git a/docs/latest/operations/druid-console.html b/docs/latest/operations/druid-console.html
index 5e70e51..169d494 100644
--- a/docs/latest/operations/druid-console.html
+++ b/docs/latest/operations/druid-console.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -83,7 +83,7 @@
<li>the Router's <a href="../design/router.html#enabling-the-management-proxy">management proxy</a> must be enabled.</li>
<li>the Broker processes in the cluster must have <a href="/docs/latest/querying/sql.html">Druid SQL</a> enabled.</li>
</ul>
-<p>After enabling Druid SQL on the Brokers and deploying a Router with the managment proxy enabled, the Druid console can be accessed at:</p>
+<p>After enabling Druid SQL on the Brokers and deploying a Router with the management proxy enabled, the Druid console can be accessed at:</p>
<pre><code class="hljs">http://<span class="hljs-tag"><<span class="hljs-name">ROUTER_IP</span>></span>:<span class="hljs-tag"><<span class="hljs-name">ROUTER_PORT</span>></span>
</code></pre>
<p>Below is a description of the high-level features and functionality of the Druid Console</p>
diff --git a/docs/latest/operations/dump-segment.html b/docs/latest/operations/dump-segment.html
index 072ab6a..95a02d1 100644
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+++ b/docs/latest/operations/dump-segment.html
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diff --git a/docs/latest/operations/export-metadata.html b/docs/latest/operations/export-metadata.html
index cd2133b..37bd6e6 100644
--- a/docs/latest/operations/export-metadata.html
+++ b/docs/latest/operations/export-metadata.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ java -classpath <span class="hljs-string">"lib/*"</span> -Dlog4j.configurationFi
</code></pre>
<p>In the example command above:</p>
<ul>
-<li><code>lib</code> is the the Druid lib directory</li>
+<li><code>lib</code> is the Druid lib directory</li>
<li><code>extensions</code> is the Druid extensions directory</li>
<li><code>/tmp/csv</code> is the output directory. Please make sure that this directory exists.</li>
</ul>
diff --git a/docs/latest/operations/getting-started.html b/docs/latest/operations/getting-started.html
index 0d2b442..08bba9f 100644
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+++ b/docs/latest/operations/getting-started.html
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diff --git a/docs/latest/operations/high-availability.html b/docs/latest/operations/high-availability.html
index bf5db72..e60fa33 100644
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+++ b/docs/latest/operations/high-availability.html
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diff --git a/docs/latest/operations/http-compression.html b/docs/latest/operations/http-compression.html
index c6f7c06..0d2793c 100644
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diff --git a/docs/0.16.0-incubating/operations/including-extensions.md b/docs/latest/operations/including-extensions.html
similarity index 100%
rename from docs/0.16.0-incubating/operations/including-extensions.md
rename to docs/latest/operations/including-extensions.html
diff --git a/docs/latest/operations/insert-segment-to-db.html b/docs/latest/operations/insert-segment-to-db.html
index 4b16065..cc8555b 100644
--- a/docs/latest/operations/insert-segment-to-db.html
+++ b/docs/latest/operations/insert-segment-to-db.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/management-uis.html b/docs/latest/operations/management-uis.html
index e23c6b1..7475efb 100644
--- a/docs/latest/operations/management-uis.html
+++ b/docs/latest/operations/management-uis.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -85,7 +85,7 @@
<li>the Router's <a href="../design/router.html#enabling-the-management-proxy">management proxy</a> must be enabled.</li>
<li>the Broker processes in the cluster must have <a href="/docs/latest/querying/sql.html">Druid SQL</a> enabled.</li>
</ul>
-<p>After enabling Druid SQL on the Brokers and deploying a Router with the managment proxy enabled, the Druid console can be accessed at:</p>
+<p>After enabling Druid SQL on the Brokers and deploying a Router with the management proxy enabled, the Druid console can be accessed at:</p>
<pre><code class="hljs">http://<span class="hljs-tag"><<span class="hljs-name">ROUTER_IP</span>></span>:<span class="hljs-tag"><<span class="hljs-name">ROUTER_PORT</span>></span>
</code></pre>
<p>The Druid Console contains all of the functionality provided by the older consoles described below, which are still available if needed. The legacy consoles may be replaced by the Druid Console in the future.</p>
diff --git a/docs/latest/operations/metadata-migration.html b/docs/latest/operations/metadata-migration.html
index fad1dea..0f66420 100644
--- a/docs/latest/operations/metadata-migration.html
+++ b/docs/latest/operations/metadata-migration.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -99,7 +99,7 @@ for <a href="/docs/latest/operations/deep-storage-migration.html">deep storage m
<p>Druid provides a <code>metadata-init</code> tool for creating Druid's metadata tables. After initializing the Druid database, you can run the commands shown below from the root of the Druid package to initialize the tables.</p>
<p>In the example commands below:</p>
<ul>
-<li><code>lib</code> is the the Druid lib directory</li>
+<li><code>lib</code> is the Druid lib directory</li>
<li><code>extensions</code> is the Druid extensions directory</li>
<li><code>base</code> corresponds to the value of <code>druid.metadata.storage.tables.base</code> in the configuration, <code>druid</code> by default.</li>
<li>The <code>--connectURI</code> parameter corresponds to the value of <code>druid.metadata.storage.connector.connectURI</code>.</li>
diff --git a/docs/latest/operations/metrics.html b/docs/latest/operations/metrics.html
index 18bf344..9e81f1d 100644
--- a/docs/latest/operations/metrics.html
+++ b/docs/latest/operations/metrics.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -347,8 +347,8 @@
<tr><td><code>sys/swap/pageOut</code></td><td>Paged out swap.</td><td></td><td>Varies.</td></tr>
<tr><td><code>sys/disk/write/count</code></td><td>Writes to disk.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
<tr><td><code>sys/disk/read/count</code></td><td>Reads from disk.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
-<tr><td><code>sys/disk/write/size</code></td><td>Bytes written to disk. Can we used to determine how much paging is occuring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
-<tr><td><code>sys/disk/read/size</code></td><td>Bytes read from disk. Can we used to determine how much paging is occuring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
+<tr><td><code>sys/disk/write/size</code></td><td>Bytes written to disk. Can we used to determine how much paging is occurring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
+<tr><td><code>sys/disk/read/size</code></td><td>Bytes read from disk. Can we used to determine how much paging is occurring with regards to segments.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>Varies.</td></tr>
<tr><td><code>sys/net/write/size</code></td><td>Bytes written to the network.</td><td>netName, netAddress, netHwaddr</td><td>Varies.</td></tr>
<tr><td><code>sys/net/read/size</code></td><td>Bytes read from the network.</td><td>netName, netAddress, netHwaddr</td><td>Varies.</td></tr>
<tr><td><code>sys/fs/used</code></td><td>Filesystem bytes used.</td><td>fsDevName, fsDirName, fsTypeName, fsSysTypeName, fsOptions.</td><td>< max</td></tr>
diff --git a/docs/latest/operations/other-hadoop.html b/docs/latest/operations/other-hadoop.html
index 1c6ea48..c87ea65 100644
--- a/docs/latest/operations/other-hadoop.html
+++ b/docs/latest/operations/other-hadoop.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -204,7 +204,7 @@ work with the classloader isolation option (<code>mapreduce.job.classloader = tr
<p>(9) Make sure the jars you've uploaded has been completely removed. The HDFS directory is by default '/tmp/druid-indexing/classpath'.</p>
<p>(10) Include the fat jar in the classpath when you start the indexing service. Make sure you've removed 'lib/*' from your classpath because now the fat jar includes all you need.</p>
<p><strong>Alternate workaround - 3</strong></p>
-<p>If sbt is not your choice, you can also use <code>maven-shade-plugin</code> to make a fat jar: relocation all jackson packages will resolve it too. In this way, druid will not be affected by jackson library embedded in hadoop. Please follow the steps below:</p>
+<p>If sbt is not your choice, you can also use <code>maven-shade-plugin</code> to make a fat jar: relocation all Jackson packages will resolve it too. In this way, druid will not be affected by Jackson library embedded in hadoop. Please follow the steps below:</p>
<p>(1) Add all extensions you needed to <code>services/pom.xml</code> like</p>
<pre><code class="hljs css language-xml"><span class="hljs-tag"><<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.apache.druid.extensions<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
@@ -230,7 +230,7 @@ work with the classloader isolation option (<code>mapreduce.job.classloader = tr
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>${project.parent.version}<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependency</span>></span>
</code></pre>
-<p>(2) Shade jackson packages and assemble a fat jar.</p>
+<p>(2) Shade Jackson packages and assemble a fat jar.</p>
<pre><code class="hljs css language-xml"><span class="hljs-tag"><<span class="hljs-name">plugin</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.apache.maven.plugins<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>maven-shade-plugin<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
diff --git a/docs/latest/operations/password-provider.html b/docs/latest/operations/password-provider.html
index b5e2687..36b993e 100644
--- a/docs/latest/operations/password-provider.html
+++ b/docs/latest/operations/password-provider.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/pull-deps.html b/docs/latest/operations/pull-deps.html
index 371056f..68ae1cb 100644
--- a/docs/latest/operations/pull-deps.html
+++ b/docs/latest/operations/pull-deps.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -86,9 +86,9 @@
<p><code>--no-default-hadoop</code></p>
<p>Don't pull down the default hadoop coordinate, i.e., org.apache.hadoop:hadoop-client:2.3.0. If <code>-h</code> option is supplied, then default hadoop coordinate will not be downloaded.</p>
<p><code>--clean</code></p>
-<p>Remove exisiting extension and hadoop dependencies directories before pulling down dependencies.</p>
+<p>Remove existing extension and hadoop dependencies directories before pulling down dependencies.</p>
<p><code>-l</code> or <code>--localRepository</code></p>
-<p>A local repostiry that Maven will use to put downloaded files. Then pull-deps will lay these files out into the extensions directory as needed.</p>
+<p>A local repository that Maven will use to put downloaded files. Then pull-deps will lay these files out into the extensions directory as needed.</p>
<p><code>-r</code> or <code>--remoteRepository</code></p>
<p>Add a remote repository. Unless --no-default-remote-repositories is provided, these will be used after <a href="https://repo1.maven.org/maven2/">https://repo1.maven.org/maven2/</a> and <a href="https://metamx.artifactoryonline.com/metamx/pub-libs-releases-local">https://metamx.artifactoryonline.com/metamx/pub-libs-releases-local</a></p>
<p><code>--no-default-remote-repositories</code></p>
diff --git a/docs/latest/operations/recommendations.html b/docs/latest/operations/recommendations.html
index c079896..2d7dfeb 100644
--- a/docs/latest/operations/recommendations.html
+++ b/docs/latest/operations/recommendations.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -102,14 +102,14 @@
-XX:MaxDirectMemorySize=<span class="hljs-number">10240</span>g
</code></pre>
<p><code>ExitOnOutOfMemoryError</code> flag is only supported starting JDK 8u92 . For older versions, <code>-XX:OnOutOfMemoryError='kill -9 %p'</code> can be used.</p>
-<p><code>MaxDirectMemorySize</code> restricts jvm from allocating more than specified limit, by setting it to unlimited jvm restriction is lifted and OS level memory limits would still be effective. It's still important to make sure that Druid is not configured to allocate more off-heap memory than your machine has available. Important settings here include druid.processing.numThreads, druid.processing.numMergeBuffers, and druid.processing.buffer.sizeBytes.</p>
+<p><code>MaxDirectMemorySize</code> restricts JVM from allocating more than specified limit, by setting it to unlimited JVM restriction is lifted and OS level memory limits would still be effective. It's still important to make sure that Druid is not configured to allocate more off-heap memory than your machine has available. Important settings here include druid.processing.numThreads, druid.processing.numMergeBuffers, and druid.processing.buffer.sizeBytes.</p>
<p>Please note that above flags are general guidelines only. Be cautious and feel free to change them if necessary for the specific deployment.</p>
-<p>Additionally, for large jvm heaps, here are a few Garbage Collection efficiency guidelines that have been known to help in some cases.</p>
+<p>Additionally, for large JVM heaps, here are a few Garbage Collection efficiency guidelines that have been known to help in some cases.</p>
<ul>
<li>Mount /tmp on tmpfs ( See <a href="http://www.evanjones.ca/jvm-mmap-pause.html">http://www.evanjones.ca/jvm-mmap-pause.html</a> )</li>
<li>On Disk-IO intensive processes (e.g. Historical and MiddleManager), GC and Druid logs should be written to a different disk than where data is written.</li>
<li>Disable Transparent Huge Pages ( See <a href="https://blogs.oracle.com/linux/performance-issues-with-transparent-huge-pages-thp">https://blogs.oracle.com/linux/performance-issues-with-transparent-huge-pages-thp</a> )</li>
-<li>Try disabling biased locking by using <code>-XX:-UseBiasedLocking</code> jvm flag. ( See <a href="https://dzone.com/articles/logging-stop-world-pauses-jvm">https://dzone.com/articles/logging-stop-world-pauses-jvm</a> )</li>
+<li>Try disabling biased locking by using <code>-XX:-UseBiasedLocking</code> JVM flag. ( See <a href="https://dzone.com/articles/logging-stop-world-pauses-jvm">https://dzone.com/articles/logging-stop-world-pauses-jvm</a> )</li>
</ul>
<h2><a class="anchor" aria-hidden="true" id="use-utc-timezone"></a><a href="#use-utc-timezone" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>We recommend using UTC timezone for all your events and across your hosts, not just for Druid, but for all data infrastructure. This can greatly mitigate potential query problems with inconsistent timezones. To query in a non-UTC timezone see <a href="../querying/granularities.html#period-granularities">query granularities</a></p>
@@ -120,7 +120,7 @@
<h2><a class="anchor" aria-hidden="true" id="use-timeseries-and-topn-queries-instead-of-groupby-where-possible"></a><a href="#use-timeseries-and-topn-queries-instead-of-groupby-where-possible" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 [...]
<p>Timeseries and TopN queries are much more optimized and significantly faster than groupBy queries for their designed use cases. Issuing multiple topN or timeseries queries from your application can potentially be more efficient than a single groupBy query.</p>
<h2><a class="anchor" aria-hidden="true" id="segment-sizes-matter"></a><a href="#segment-sizes-matter" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
-<p>Segments should generally be between 300MB-700MB in size. Too many small segments results in inefficient CPU utilizations and
+<p>Segments should generally be between 300MB-700MB in size. Too many small segments results in inefficient CPU utilization and
too many large segments impacts query performance, most notably with TopN queries.</p>
<h2><a class="anchor" aria-hidden="true" id="faqs-and-guides"></a><a href="#faqs-and-guides" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<ol>
diff --git a/docs/latest/operations/reset-cluster.html b/docs/latest/operations/reset-cluster.html
index 6dddc04..e7c11f3 100644
--- a/docs/latest/operations/reset-cluster.html
+++ b/docs/latest/operations/reset-cluster.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/rolling-updates.html b/docs/latest/operations/rolling-updates.html
index b786359..283291a 100644
--- a/docs/latest/operations/rolling-updates.html
+++ b/docs/latest/operations/rolling-updates.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/rule-configuration.html b/docs/latest/operations/rule-configuration.html
index 9f5dba1..9988248 100644
--- a/docs/latest/operations/rule-configuration.html
+++ b/docs/latest/operations/rule-configuration.html
@@ -3,7 +3,7 @@
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gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/operations/segment-optimization.html b/docs/latest/operations/segment-optimization.html
index 5ba3c8e..94abe1b 100644
--- a/docs/latest/operations/segment-optimization.html
+++ b/docs/latest/operations/segment-optimization.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -92,7 +92,7 @@ slots of the processing pool.</li>
</ol>
<p>It would be best if you can optimize the segment size at ingestion time, but sometimes it's not easy
especially when it comes to stream ingestion because the amount of data ingested might vary over time. In this case,
-you can create segments with a sub-optimzed size first and optimize them later.</p>
+you can create segments with a sub-optimized size first and optimize them later.</p>
<p>You may need to consider the followings to optimize your segments.</p>
<ul>
<li>Number of rows per segment: it's generally recommended for each segment to have around 5 million rows.
diff --git a/docs/latest/operations/single-server.html b/docs/latest/operations/single-server.html
index 147c628..4619294 100644
--- a/docs/latest/operations/single-server.html
+++ b/docs/latest/operations/single-server.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -92,23 +92,35 @@
<p>The startup scripts for these example configurations run a single ZK instance along with the Druid services. You can choose to deploy ZK separately as well.</p>
<p>The example configurations run the Druid Coordinator and Overlord together in a single process using the optional configuration <code>druid.coordinator.asOverlord.enabled=true</code>, described in the <a href="../configuration/index.html#coordinator-operation">Coordinator configuration documentation</a>.</p>
<p>While example configurations are provided for very large single machines, at higher scales we recommend running Druid in a <a href="/docs/latest/tutorials/cluster.html">clustered deployment</a>, for fault-tolerance and reduced resource contention.</p>
-<h2><a class="anchor" aria-hidden="true" id="single-server-reference-configurations"></a><a href="#single-server-reference-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
-<h2><a class="anchor" aria-hidden="true" id="nano-quickstart-1-cpu-4gb-ram"></a><a href="#nano-quickstart-1-cpu-4gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>Launch command: <code>bin/start-nano-quickstart</code>
-Configuration directory: <code>conf/druid/single-server/nano-quickstart</code></p>
-<h2><a class="anchor" aria-hidden="true" id="micro-quickstart-4-cpu-16gb-ram"></a><a href="#micro-quickstart-4-cpu-16gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 [...]
-<p>Launch command: <code>bin/start-micro-quickstart</code>
-Configuration directory: <code>conf/druid/single-server/micro-quickstart</code></p>
-<h2><a class="anchor" aria-hidden="true" id="small-8-cpu-64gb-ram-i32xlarge"></a><a href="#small-8-cpu-64gb-ram-i32xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
-<p>Launch command: <code>bin/start-small</code>
-Configuration directory: <code>conf/druid/single-server/small</code></p>
-<h2><a class="anchor" aria-hidden="true" id="medium-16-cpu-128gb-ram-i34xlarge"></a><a href="#medium-16-cpu-128gb-ram-i34xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>Launch command: <code>bin/start-medium</code>
-Configuration directory: <code>conf/druid/single-server/medium</code></p>
-<h2><a class="anchor" aria-hidden="true" id="large-32-cpu-256gb-ram-i38xlarge"></a><a href="#large-32-cpu-256gb-ram-i38xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
-<p>Launch command: <code>bin/start-large</code>
-Configuration directory: <code>conf/druid/single-server/large</code></p>
-<h2><a class="anchor" aria-hidden="true" id="x-large-64-cpu-512gb-ram-i316xlarge"></a><a href="#x-large-64-cpu-512gb-ram-i316xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
-<p>Launch command: <code>bin/start-xlarge</code>
-Configuration directory: <code>conf/druid/single-server/xlarge</code></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/tutorials/index.html"><span class="arrow-prev">← </span><span>Quickstart</span></a><a class="docs-next button" href="/docs/latest/tutorials/cluster.html"><span>Clustered deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#single-server-reference-configurations">Single Server Reference Configurations</a></ [...]
\ No newline at end of file
+<h2><a class="anchor" aria-hidden="true" id="single-server-reference-configurations"></a><a href="#single-server-reference-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1. [...]
+<h3><a class="anchor" aria-hidden="true" id="nano-quickstart-1-cpu-4gb-ram"></a><a href="#nano-quickstart-1-cpu-4gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<ul>
+<li>Launch command: <code>bin/start-nano-quickstart</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/nano-quickstart</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="micro-quickstart-4-cpu-16gb-ram"></a><a href="#micro-quickstart-4-cpu-16gb-ram" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 [...]
+<ul>
+<li>Launch command: <code>bin/start-micro-quickstart</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/micro-quickstart</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="small-8-cpu-64gb-ram-i32xlarge"></a><a href="#small-8-cpu-64gb-ram-i32xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<ul>
+<li>Launch command: <code>bin/start-small</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/small</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="medium-16-cpu-128gb-ram-i34xlarge"></a><a href="#medium-16-cpu-128gb-ram-i34xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<ul>
+<li>Launch command: <code>bin/start-medium</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/medium</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="large-32-cpu-256gb-ram-i38xlarge"></a><a href="#large-32-cpu-256gb-ram-i38xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<ul>
+<li>Launch command: <code>bin/start-large</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/large</code></li>
+</ul>
+<h3><a class="anchor" aria-hidden="true" id="x-large-64-cpu-512gb-ram-i316xlarge"></a><a href="#x-large-64-cpu-512gb-ram-i316xlarge" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
+<ul>
+<li>Launch command: <code>bin/start-xlarge</code></li>
+<li>Configuration directory: <code>conf/druid/single-server/xlarge</code></li>
+</ul>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/tutorials/index.html"><span class="arrow-prev">← </span><span>Quickstart</span></a><a class="docs-next button" href="/docs/latest/tutorials/cluster.html"><span>Clustered deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#single-server-reference-configurations">Single server reference configurations</a><u [...]
\ No newline at end of file
diff --git a/docs/latest/operations/tls-support.html b/docs/latest/operations/tls-support.html
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index fca9d22..2ca113d 100644
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diff --git a/docs/latest/querying/aggregations.html b/docs/latest/querying/aggregations.html
index 0672250..c6cd3c5 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/caching.html b/docs/latest/querying/caching.html
index 4166cb2..f478ea5 100644
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+++ b/docs/latest/querying/caching.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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index 6fde527..11bd4bd 100644
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diff --git a/docs/latest/querying/dimensionspecs.html b/docs/latest/querying/dimensionspecs.html
index 55d0485..177af35 100644
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+++ b/docs/latest/querying/dimensionspecs.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -111,7 +111,7 @@ Then groupBy/topN processing pipeline "explodes" all multi-value dimen
<p>The following filtered dimension spec acts as a whitelist or blacklist for values as per the "isWhitelist" attribute value.</p>
<pre><code class="hljs css language-json">{ "type" : "listFiltered", "delegate" : <dimensionSpec>, "values": <array of strings>, "isWhitelist": <optional attribute for true/false, default is true> }
</code></pre>
-<p>Following filtered dimension spec retains only the values matching regex. Note that <code>listFiltered</code> is faster than this and one should use that for whitelist or blacklist usecase.</p>
+<p>Following filtered dimension spec retains only the values matching regex. Note that <code>listFiltered</code> is faster than this and one should use that for whitelist or blacklist use case.</p>
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"regexFiltered"</span>, <span class="hljs-attr">"delegate"</span> : <dimensionSpec>, <span class="hljs-attr">"pattern"</span>: <java regex pattern> }
</code></pre>
<p>Following filtered dimension spec retains only the values starting with the same prefix.</p>
@@ -267,7 +267,7 @@ the start and end of calendar years) in a more ISO8601 compliant way.</p>
"resultFormat" : <output_format>,
"joda" : <true, false> }
</code></pre>
-<h3><a class="anchor" aria-hidden="true" id="javascript-extraction-function"></a><a href="#javascript-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
+<h3><a class="anchor" aria-hidden="true" id="javascript-extraction-function"></a><a href="#javascript-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 1 [...]
<p>Returns the dimension value, as transformed by the given JavaScript function.</p>
<p>For regular dimensions, the input value is passed as a string.</p>
<p>For the <code>__time</code> dimension, the input value is passed as a number
@@ -284,7 +284,7 @@ representing the number of milliseconds since January 1, 1970 UTC.</p>
<span class="hljs-attr">"injective"</span> : <span class="hljs-literal">true</span>
}
</code></pre>
-<p>A property of <code>injective</code> specifies if the javascript function preserves uniqueness. The default value is <code>false</code> meaning uniqueness is not preserved</p>
+<p>A property of <code>injective</code> specifies if the JavaScript function preserves uniqueness. The default value is <code>false</code> meaning uniqueness is not preserved</p>
<p>Example for the <code>__time</code> dimension:</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <span class="hljs-string">"javascript"</span>,
@@ -392,7 +392,7 @@ configuration.</p>
<h3><a class="anchor" aria-hidden="true" id="cascade-extraction-function"></a><a href="#cascade-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>Provides chained execution of extraction functions.</p>
<p>A property of <code>extractionFns</code> contains an array of any extraction functions, which is executed in the array index order.</p>
-<p>Example for chaining <a href="#regular-expression-extraction-function">regular expression extraction function</a>, <a href="#javascript-extraction-function">javascript extraction function</a>, and <a href="#substring-extraction-function">substring extraction function</a> is as followings.</p>
+<p>Example for chaining <a href="#regular-expression-extraction-function">regular expression extraction function</a>, <a href="#javascript-extraction-function">JavaScript extraction function</a>, and <a href="#substring-extraction-function">substring extraction function</a> is as followings.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span> : <span class="hljs-string">"cascade"</span>,
<span class="hljs-attr">"extractionFns"</span>: [
@@ -414,7 +414,7 @@ configuration.</p>
}
</code></pre>
<p>It will transform dimension values with specified extraction functions in the order named.
-For example, <code>'/druid/prod/historical'</code> is transformed to <code>'the dru'</code> as regular expression extraction function first transforms it to <code>'druid'</code> and then, javascript extraction function transforms it to <code>'the druid'</code>, and lastly, substring extraction function transforms it to <code>'the dru'</code>.</p>
+For example, <code>'/druid/prod/historical'</code> is transformed to <code>'the dru'</code> as regular expression extraction function first transforms it to <code>'druid'</code> and then, JavaScript extraction function transforms it to <code>'the druid'</code>, and lastly, substring extraction function transforms it to <code>'the dru'</code>.</p>
<h3><a class="anchor" aria-hidden="true" id="string-format-extraction-function"></a><a href="#string-format-extraction-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
<p>Returns the dimension value formatted according to the given format string.</p>
<pre><code class="hljs css language-json">{ <span class="hljs-attr">"type"</span> : <span class="hljs-string">"stringFormat"</span>, <span class="hljs-attr">"format"</span> : <sprintf_expression>, <span class="hljs-attr">"nullHandling"</span> : <optional attribute for handling <span class="hljs-literal">null</span> value> }
@@ -446,4 +446,4 @@ Optionally user can specify the language to use in order to perform upper or low
<span class="hljs-attr">"offset"</span> : <span class="hljs-number">2</span>
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/querying/datasource.html"><span class="arrow-prev">← </span><span>Datasources</span></a><a class="docs-next button" href="/docs/latest/querying/filters.html"><span>Query Filters</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#dimensionspec">DimensionSpec</a><ul class="toc-headings"><li><a href="#default-dimensio [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/querying/datasource.html"><span class="arrow-prev">← </span><span>Datasources</span></a><a class="docs-next button" href="/docs/latest/querying/filters.html"><span>Query Filters</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#dimensionspec">DimensionSpec</a><ul class="toc-headings"><li><a href="#default-dimensio [...]
\ No newline at end of file
diff --git a/docs/latest/querying/filters.html b/docs/latest/querying/filters.html
index 2f7ade3..9938278 100644
--- a/docs/latest/querying/filters.html
+++ b/docs/latest/querying/filters.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/granularities.html b/docs/latest/querying/granularities.html
index b4ef846..348ee62 100644
--- a/docs/latest/querying/granularities.html
+++ b/docs/latest/querying/granularities.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/groupbyquery.html b/docs/latest/querying/groupbyquery.html
index 0b6db5f..492b1bf 100644
--- a/docs/latest/querying/groupbyquery.html
+++ b/docs/latest/querying/groupbyquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -333,7 +333,7 @@ concurrent query load.</p>
<h5><a class="anchor" aria-hidden="true" id="limit-pushdown-optimization"></a><a href="#limit-pushdown-optimization" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
<p>Druid pushes down the <code>limit</code> spec in groupBy queries to the segments on Historicals wherever possible to early prune unnecessary intermediate results and minimize the amount of data transferred to Brokers. By default, this technique is applied only when all fields in the <code>orderBy</code> spec is a subset of the grouping keys. This is because the <code>limitPushDown</code> doesn't guarantee the exact results if the <code>orderBy</code> spec includes any fields that are [...]
<h5><a class="anchor" aria-hidden="true" id="optimizing-hash-table"></a><a href="#optimizing-hash-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The groupBy v2 engine uses an open addressing hash table for aggregation. The hash table is initalized with a given initial bucket number and gradually grows on buffer full. On hash collisions, the linear probing technique is used.</p>
+<p>The groupBy v2 engine uses an open addressing hash table for aggregation. The hash table is initialized with a given initial bucket number and gradually grows on buffer full. On hash collisions, the linear probing technique is used.</p>
<p>The default number of initial buckets is 1024 and the default max load factor of the hash table is 0.7. If you can see too many collisions in the hash table, you can adjust these numbers. See <code>bufferGrouperInitialBuckets</code> and <code>bufferGrouperMaxLoadFactor</code> in <a href="#groupby-v2-configurations">Advanced groupBy v2 configurations</a>.</p>
<h5><a class="anchor" aria-hidden="true" id="parallel-combine"></a><a href="#parallel-combine" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>Once a Historical finishes aggregation using the hash table, it sorts the aggregated results and merges them before sending to the
diff --git a/docs/latest/querying/having.html b/docs/latest/querying/having.html
index 379694e..78a969c 100644
--- a/docs/latest/querying/having.html
+++ b/docs/latest/querying/having.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/hll-old.html b/docs/latest/querying/hll-old.html
index 4e028fa..f1a0798 100644
--- a/docs/latest/querying/hll-old.html
+++ b/docs/latest/querying/hll-old.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -158,7 +158,7 @@ This is equivalent to something akin to</p>
<span class="hljs-attr">"round"</span> : <span class="hljs-literal">false</span>
}
</code></pre>
-<p>"isInputHyperUnique" can be set to true to index pre-computed HLL (Base64 encoded output from druid-hll is expected).
+<p>"isInputHyperUnique" can be set to true to index precomputed HLL (Base64 encoded output from druid-hll is expected).
The "isInputHyperUnique" field only affects ingestion-time behavior, and is ignored at query-time.</p>
<p>The HyperLogLog algorithm generates decimal estimates with some error. "round" can be set to true to round off estimated
values to whole numbers. Note that even with rounding, the cardinality is still an estimate. The "round" field only
diff --git a/docs/latest/querying/joins.html b/docs/latest/querying/joins.html
index eeb01f8..25da500 100644
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+++ b/docs/latest/querying/joins.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/limitspec.html b/docs/latest/querying/limitspec.html
index 1b594d9..d96daef 100644
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+++ b/docs/latest/querying/limitspec.html
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diff --git a/docs/latest/querying/lookups.html b/docs/latest/querying/lookups.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/multi-value-dimensions.html b/docs/latest/querying/multi-value-dimensions.html
index e22f6c7..58fe254 100644
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diff --git a/docs/latest/querying/multitenancy.html b/docs/latest/querying/multitenancy.html
index e0d1111..c02f01e 100644
--- a/docs/latest/querying/multitenancy.html
+++ b/docs/latest/querying/multitenancy.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/post-aggregations.html b/docs/latest/querying/post-aggregations.html
index f212517..11c452a 100644
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+++ b/docs/latest/querying/post-aggregations.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/query-context.html b/docs/latest/querying/query-context.html
index de8d366..46e09a9 100644
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+++ b/docs/latest/querying/query-context.html
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diff --git a/docs/latest/querying/querying.html b/docs/latest/querying/querying.html
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+++ b/docs/latest/querying/querying.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/scan-query.html b/docs/latest/querying/scan-query.html
index 4f17317..6051921 100644
--- a/docs/latest/querying/scan-query.html
+++ b/docs/latest/querying/scan-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/searchquery.html b/docs/latest/querying/searchquery.html
index 643d96c..657151a 100644
--- a/docs/latest/querying/searchquery.html
+++ b/docs/latest/querying/searchquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/searchqueryspec.html b/docs/latest/querying/searchqueryspec.html
index 022df0a..e20a096 100644
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+++ b/docs/latest/querying/searchqueryspec.html
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diff --git a/docs/latest/querying/segmentmetadataquery.html b/docs/latest/querying/segmentmetadataquery.html
index 894c586..520f852 100644
--- a/docs/latest/querying/segmentmetadataquery.html
+++ b/docs/latest/querying/segmentmetadataquery.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -136,7 +136,7 @@ Metric columns will have type <code>FLOAT</code> or <code>LONG</code> or name of
Timestamp column will have type <code>LONG</code>.</p>
<p>If the <code>errorMessage</code> field is non-null, you should not trust the other fields in the response. Their contents are
undefined.</p>
-<p>Only columns which are dimensions (ie, have type <code>STRING</code>) will have any cardinality. Rest of the columns (timestamp and metric columns) will show cardinality as <code>null</code>.</p>
+<p>Only columns which are dimensions (i.e., have type <code>STRING</code>) will have any cardinality. Rest of the columns (timestamp and metric columns) will show cardinality as <code>null</code>.</p>
<h3><a class="anchor" aria-hidden="true" id="intervals"></a><a href="#intervals" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
<p>If an interval is not specified, the query will use a default interval that spans a configurable period before the end time of the most recent segment.</p>
<p>The length of this default time period is set in the Broker configuration via:
@@ -205,6 +205,6 @@ two segments use incompatible aggregators for the same column (e.g. longSum chan
with unknown aggregators, or any conflicts of any kind, the merged aggregators list will be <code>null</code>. With lenient
merging, segments with unknown aggregators will be ignored, and conflicts between aggregators will only null out
the aggregator for that particular column.</p>
-<p>In particular, with lenient merging, it is possible for an invidiual column's aggregator to be <code>null</code>. This will not
+<p>In particular, with lenient merging, it is possible for an individual column's aggregator to be <code>null</code>. This will not
occur with strict merging.</p>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/querying/timeboundaryquery.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">TimeBoundary</span></a><a class="docs-next button" href="/docs/latest/querying/datasourcemetadataquery.html"><span class="function-name-prevnext">DatasourceMetadata</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-foot [...]
\ No newline at end of file
diff --git a/docs/latest/querying/select-query.html b/docs/latest/querying/select-query.html
index 4d00516..080bb50 100644
--- a/docs/latest/querying/select-query.html
+++ b/docs/latest/querying/select-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/querying/sorting-orders.html b/docs/latest/querying/sorting-orders.html
index 3cfd022..5efc44d 100644
--- a/docs/latest/querying/sorting-orders.html
+++ b/docs/latest/querying/sorting-orders.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -79,7 +79,7 @@
-->
<p>These sorting orders are used by the <a href="/docs/latest/querying/topnmetricspec.html">TopNMetricSpec</a>, <a href="/docs/latest/querying/searchquery.html">SearchQuery</a>, GroupByQuery's <a href="/docs/latest/querying/limitspec.html">LimitSpec</a>, and <a href="./filters.html#bound-filter">BoundFilter</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="lexicographic"></a><a href="#lexicographic" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<p>Sorts values by converting Strings to their UTF-8 byte array representations and comparing lexicgraphically, byte-by-byte.</p>
+<p>Sorts values by converting Strings to their UTF-8 byte array representations and comparing lexicographically, byte-by-byte.</p>
<h2><a class="anchor" aria-hidden="true" id="alphanumeric"></a><a href="#alphanumeric" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Suitable for strings with both numeric and non-numeric content, e.g.: "file12 sorts after file2"</p>
<p>See <a href="https://github.com/amjjd/java-alphanum">https://github.com/amjjd/java-alphanum</a> for more details on how this ordering sorts values.</p>
diff --git a/docs/latest/querying/sql.html b/docs/latest/querying/sql.html
index 65756da..2e248d6 100644
--- a/docs/latest/querying/sql.html
+++ b/docs/latest/querying/sql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -699,7 +699,7 @@ datasource "foo", use the query:</p>
<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> <span class="hljs-number">1</span>
<span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> <span class="hljs-number">2</span> <span class="hljs-keyword">DESC</span>
</code></pre>
-<p><em>Caveat:</em> Note that a segment can be served by more than one stream ingestion tasks or Historical processes, in that case it would have multiple replicas. These replicas are weakly consistent with each other when served by multiple ingestion tasks, until a segment is eventually served by a Historical, at that point the segment is immutable. Broker prefers to query a segment from Historical over an ingestion task. But if a segment has multiple realtime replicas, for eg. kafka in [...]
+<p><em>Caveat:</em> Note that a segment can be served by more than one stream ingestion tasks or Historical processes, in that case it would have multiple replicas. These replicas are weakly consistent with each other when served by multiple ingestion tasks, until a segment is eventually served by a Historical, at that point the segment is immutable. Broker prefers to query a segment from Historical over an ingestion task. But if a segment has multiple realtime replicas, for e.g.. Kafka [...]
<h4><a class="anchor" aria-hidden="true" id="servers-table"></a><a href="#servers-table" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
<p>Servers table lists all discovered servers in the cluster.</p>
<table>
@@ -787,7 +787,7 @@ check out the documentation for <a href="../ingestion/tasks.html">ingestion task
<tr><td><code>druid.sql.planner.maxSemiJoinRowsInMemory</code></td><td>Maximum number of rows to keep in memory for executing two-stage semi-join queries like <code>SELECT * FROM Employee WHERE DeptName IN (SELECT DeptName FROM Dept)</code>.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.maxTopNLimit</code></td><td>Maximum threshold for a <a href="/docs/latest/querying/topnquery.html">TopN query</a>. Higher limits will be planned as <a href="/docs/latest/querying/groupbyquery.html">GroupBy queries</a> instead.</td><td>100000</td></tr>
<tr><td><code>druid.sql.planner.metadataRefreshPeriod</code></td><td>Throttle for metadata refreshes.</td><td>PT1M</td></tr>
-<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinalty algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
+<tr><td><code>druid.sql.planner.useApproximateCountDistinct</code></td><td>Whether to use an approximate cardinality algorithm for <code>COUNT(DISTINCT foo)</code>.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.useApproximateTopN</code></td><td>Whether to use approximate <a href="../querying/topnquery.html">TopN queries</a> when a SQL query could be expressed as such. If false, exact <a href="../querying/groupbyquery.html">GroupBy queries</a> will be used instead.</td><td>true</td></tr>
<tr><td><code>druid.sql.planner.requireTimeCondition</code></td><td>Whether to require SQL to have filter conditions on __time column so that all generated native queries will have user specified intervals. If true, all queries without filter condition on __time column will fail</td><td>false</td></tr>
<tr><td><code>druid.sql.planner.sqlTimeZone</code></td><td>Sets the default time zone for the server, which will affect how time functions and timestamp literals behave. Should be a time zone name like "America/Los_Angeles" or offset like "-08:00".</td><td>UTC</td></tr>
diff --git a/docs/latest/querying/timeboundaryquery.html b/docs/latest/querying/timeboundaryquery.html
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diff --git a/docs/latest/querying/timeseriesquery.html b/docs/latest/querying/timeseriesquery.html
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diff --git a/docs/latest/querying/topnmetricspec.html b/docs/latest/querying/topnmetricspec.html
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diff --git a/docs/latest/querying/topnquery.html b/docs/latest/querying/topnquery.html
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diff --git a/docs/latest/tutorials/cluster.html b/docs/latest/tutorials/cluster.html
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+++ b/docs/latest/tutorials/cluster.html
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@@ -137,7 +137,7 @@ in-memory query cache. These servers benefit greatly from CPU and RAM.</p>
<p>In a clustered deployment, having multiple Data servers is a good idea for fault-tolerance purposes.</p>
<p>When choosing the Data server hardware, you can choose a split factor <code>N</code>, divide the original CPU/RAM of the single-server deployment by <code>N</code>, and deploy <code>N</code> Data servers of reduced size in the new cluster.</p>
<p>Instructions for adjusting the Historical/MiddleManager configs for the split are described in a later section in this guide.</p>
-<h4><a class="anchor" aria-hidden="true" id="query-derver"></a><a href="#query-derver" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h4><a class="anchor" aria-hidden="true" id="query-server-1"></a><a href="#query-server-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>The main considerations for the Query server are available CPUs and RAM for the Broker heap + direct memory, and Router heap.</p>
<p>Sum up the allocated memory sizes for your Broker and Router from the single-server deployment, and choose Query server hardware with enough RAM to cover the Broker/Router, with some extra RAM for other processes on the machine.</p>
<p>For CPU cores, you can choose hardware with approximately 1/4th of the cores of the single-server deployment.</p>
@@ -344,7 +344,7 @@ inbound connections on the following:</p>
<li>8083 (Historical)</li>
<li>8091, 8100–8199 (Druid Middle Manager; you may need higher than port 8199 if you have a very high <code>druid.worker.capacity</code>)</li>
</ul>
-<h3><a class="anchor" aria-hidden="true" id="query-server-1"></a><a href="#query-server-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h3><a class="anchor" aria-hidden="true" id="query-server-2"></a><a href="#query-server-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<ul>
<li>8082 (Broker)</li>
<li>8088 (Router, if used)</li>
@@ -397,7 +397,7 @@ This also allows you take advantage of Druid's built-in MiddleManager autoscalin
tar -xzf tranquility-distribution-0.8.3.tgz
mv tranquility-distribution-0.8.3 tranquility
</code></pre>
-<p>Afterwards, in <code>conf/supervise/cluster/data.conf</code>, uncomment out the <code>tranquility-server</code> line, and restart the Data server proceses.</p>
+<p>Afterwards, in <code>conf/supervise/cluster/data.conf</code>, uncomment out the <code>tranquility-server</code> line, and restart the Data server processes.</p>
<h2><a class="anchor" aria-hidden="true" id="start-query-server"></a><a href="#start-query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>Copy the Druid distribution and your edited configurations to your Query servers.</p>
<p>From the distribution root, run the following command to start the Query server:</p>
@@ -407,4 +407,4 @@ mv tranquility-distribution-0.8.3 tranquility
<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>Congratulations, you now have a Druid cluster! The next step is to learn about recommended ways to load data into
Druid based on your use case. Read more about <a href="/docs/latest/ingestion/index.html">loading data</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/operations/single-server.html"><span class="arrow-prev">← </span><span>Single server deployment</span></a><a class="docs-next button" href="/docs/latest/tutorials/tutorial-batch.html"><span>Loading files natively</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#select-hardware">Select hardware</a><ul class="toc-h [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/operations/single-server.html"><span class="arrow-prev">← </span><span>Single server deployment</span></a><a class="docs-next button" href="/docs/latest/tutorials/tutorial-batch.html"><span>Loading files natively</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#select-hardware">Select hardware</a><ul class="toc-h [...]
\ No newline at end of file
diff --git a/docs/latest/tutorials/index.html b/docs/latest/tutorials/index.html
index c535ed2..7a28767 100644
--- a/docs/latest/tutorials/index.html
+++ b/docs/latest/tutorials/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -141,11 +141,11 @@ using a different configuration, the <code>bin</code> directory has equivalent s
<p>All persistent state such as the cluster metadata store and segments for the services will be kept in the <code>var</code> directory under the apache-druid-#{DRUIDVERSION} package root. Logs for the services are located at <code>var/sv</code>.</p>
<p>Later on, if you'd like to stop the services, CTRL-C to exit the <code>bin/start-micro-quickstart</code> script, which will terminate the Druid processes.</p>
<p>Once the cluster has started, you can navigate to <a href="http://localhost:8888">http://localhost:8888</a>.
-The <a href="/docs/latest/design/router.html">Druid router process</a>, which serves the Druid console, resides at this address.</p>
+The <a href="/docs/latest/design/router.html">Druid router process</a>, which serves the <a href="/docs/latest/operations/druid-console.html">Druid console</a>, resides at this address.</p>
<p><img src="../assets/tutorial-quickstart-01.png" alt="Druid console" title="Druid console"></p>
<p>It takes a few seconds for all the Druid processes to fully start up. If you open the console immediately after starting the services, you may see some errors that you can safely ignore.</p>
-<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
-<h3><a class="anchor" aria-hidden="true" id="tutorial-dataset"></a><a href="#tutorial-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
+<h2><a class="anchor" aria-hidden="true" id="loading-data"></a><a href="#loading-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h3><a class="anchor" aria-hidden="true" id="tutorial-dataset"></a><a href="#tutorial-dataset" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>For the following data loading tutorials, we have included a sample data file containing Wikipedia page edit events that occurred on 2015-09-12.</p>
<p>This sample data is located at <code>quickstart/tutorial/wikiticker-2015-09-12-sampled.json.gz</code> from the Druid package root.
The page edit events are stored as JSON objects in a text file.</p>
@@ -210,4 +210,4 @@ All tutorials assume that you are using the <code>micro-quickstart</code> single
<p>Shut down the Kafka broker with CTRL-C before stopping Zookeeper and the Druid services, and then delete the Kafka log directory at <code>/tmp/kafka-logs</code>:</p>
<pre><code class="hljs css language-bash">rm -rf /tmp/kafka-logs
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/index.html"><span class="arrow-prev">← </span><span>Introduction to Apache Druid</span></a><a class="docs-next button" href="/docs/latest/operations/single-server.html"><span>Single server deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#prerequisites">Prerequisites</a><ul class="toc-headings">< [...]
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/index.html"><span class="arrow-prev">← </span><span>Introduction to Apache Druid</span></a><a class="docs-next button" href="/docs/latest/operations/single-server.html"><span>Single server deployment</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#prerequisites">Prerequisites</a><ul class="toc-headings">< [...]
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diff --git a/docs/latest/tutorials/tutorial-batch-hadoop.html b/docs/latest/tutorials/tutorial-batch-hadoop.html
index b9d88b2..06f2168 100644
--- a/docs/latest/tutorials/tutorial-batch-hadoop.html
+++ b/docs/latest/tutorials/tutorial-batch-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -186,7 +186,7 @@ druid.indexer.logs.directory=/druid/indexing-logs
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="restart-druid-cluster"></a><a href="#restart-druid-cluster" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>Once the Hadoop .xml files have been copied to the Druid cluster and the segment/log storage configuration has been updated to use HDFS, the Druid cluster needs to be restarted for the new configurations to take effect.</p>
-<p>If the cluster is still running, CTRL-C to terminate the <code>bin/start-micro-quickstart</code> script, and re-reun it to bring the Druid services back up.</p>
+<p>If the cluster is still running, CTRL-C to terminate the <code>bin/start-micro-quickstart</code> script, and re-run it to bring the Druid services back up.</p>
<h2><a class="anchor" aria-hidden="true" id="load-batch-data"></a><a href="#load-batch-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>We've included a sample of Wikipedia edits from September 12, 2015 to get you started.</p>
<p>To load this data into Druid, you can submit an <em>ingestion task</em> pointing to the file. We've included
diff --git a/docs/latest/tutorials/tutorial-batch.html b/docs/latest/tutorials/tutorial-batch.html
index e58493f..374f9fe 100644
--- a/docs/latest/tutorials/tutorial-batch.html
+++ b/docs/latest/tutorials/tutorial-batch.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -88,53 +88,55 @@ The data loader currently only supports native batch ingestion (support for stre
Streaming ingestion is only available through a written ingestion spec today.</p>
<p>We've included a sample of Wikipedia edits from September 12, 2015 to get you started.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-data-with-the-data-loader"></a><a href="#loading-data-with-the-data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
-<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.
-Select <code>Local disk</code>.</p>
+<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.</p>
<p><img src="../assets/tutorial-batch-data-loader-01.png" alt="Data loader init" title="Data loader init"></p>
-<p>Enter the value of <code>quickstart/tutorial/</code> as the base directory and <code>wikiticker-2015-09-12-sampled.json.gz</code> as a filter.
-The separation of base directory and <a href="https://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/filefilter/WildcardFileFilter.html">wildcard file filter</a> is there if you need to ingest data from multiple files.</p>
-<p>Click <code>Preview</code> and make sure that the the data you are seeing is correct.</p>
+<p>Select <code>Local disk</code> and click <code>Connect data</code>.</p>
<p><img src="../assets/tutorial-batch-data-loader-02.png" alt="Data loader sample" title="Data loader sample"></p>
-<p>Once the data is located, you can click "Next: Parse data" to go to the next step.
-The data loader will try to automatically determine the correct parser for the data.
+<p>Enter <code>quickstart/tutorial/</code> as the base directory and <code>wikiticker-2015-09-12-sampled.json.gz</code> as a filter.
+The separation of base directory and <a href="https://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/filefilter/WildcardFileFilter.html">wildcard file filter</a> is there if you need to ingest data from multiple files.</p>
+<p>Click <code>Preview</code> and make sure that the data you are seeing is correct.</p>
+<p>Once the data is located, you can click "Next: Parse data" to go to the next step.</p>
+<p><img src="../assets/tutorial-batch-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
+<p>The data loader will try to automatically determine the correct parser for the data.
In this case it will successfully determine <code>json</code>.
Feel free to play around with different parser options to get a preview of how Druid will parse your data.</p>
-<p><img src="../assets/tutorial-batch-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
-<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.
-Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
+<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.</p>
+<p><img src="../assets/tutorial-batch-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
+<p>Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
If you do not have a timestamp in your data, select <code>Constant value</code>.
In our example, the data loader will determine that the <code>time</code> column in our raw data is the only candidate that can be used as the primary time column.</p>
-<p><img src="../assets/tutorial-batch-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
<p>Click <code>Next: ...</code> twice to go past the <code>Transform</code> and <code>Filter</code> steps.
You do not need to enter anything in these steps as applying ingestion time transforms and filters are out of scope for this tutorial.</p>
-<p>In the <code>Configure schema</code> step, you can configure which dimensions (and metrics) will be ingested into Druid.
-This is exactly what the data will appear like in Druid once it is ingested.
-Since our dataset is very small, go ahead and turn off <code>Rollup</code> by clicking on the switch and confirming the change.</p>
<p><img src="../assets/tutorial-batch-data-loader-05.png" alt="Data loader schema" title="Data loader schema"></p>
-<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.
-Here you can adjust how the data will be split up into segments in Druid.
-Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>In the <code>Configure schema</code> step, you can configure which <a href="/docs/latest/ingestion/index.html#dimensions">dimensions</a> and <a href="/docs/latest/ingestion/index.html#metrics">metrics</a> will be ingested into Druid.
+This is exactly what the data will appear like in Druid once it is ingested.
+Since our dataset is very small, go ahead and turn off <a href="/docs/latest/ingestion/index.html#rollup"><code>Rollup</code></a> by clicking on the switch and confirming the change.</p>
+<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.</p>
<p><img src="../assets/tutorial-batch-data-loader-06.png" alt="Data loader partition" title="Data loader partition"></p>
-<p>Clicking past the <code>Tune</code> step, we get to the publish step, which is where we can specify what the datasource name in Druid.
-Let's name this datasource <code>wikipedia</code>.</p>
+<p>Here, you can adjust how the data will be split up into segments in Druid.
+Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>Clicking past the <code>Tune</code> step, to get to the publish step.</p>
<p><img src="../assets/tutorial-batch-data-loader-07.png" alt="Data loader publish" title="Data loader publish"></p>
-<p>Finally, click <code>Next</code> to review your spec.
-This is the spec you have constructed.
+<p>The <code>Publish</code> step is where we can specify what the datasource name in Druid.
+Let's name this datasource <code>wikipedia</code>.
+Finally, click <code>Next</code> to review your spec.</p>
+<p><img src="../assets/tutorial-batch-data-loader-08.png" alt="Data loader spec" title="Data loader spec"></p>
+<p>This is the spec you have constructed.
Feel free to go back and make changes in previous steps to see how changes will update the spec.
Similarly, you can also edit the spec directly and see it reflected in the previous steps.</p>
-<p><img src="../assets/tutorial-batch-data-loader-08.png" alt="Data loader spec" title="Data loader spec"></p>
<p>Once you are satisfied with the spec, click <code>Submit</code> and an ingestion task will be created.</p>
-<p>You will be taken to the task view with the focus on the newly created task.</p>
<p><img src="../assets/tutorial-batch-data-loader-09.png" alt="Tasks view" title="Tasks view"></p>
-<p>In the tasks view, you can click <code>Refresh</code> a couple of times until your ingestion task (hopefully) succeeds.</p>
+<p>You will be taken to the task view with the focus on the newly created task.
+The task view is set to auto refresh, wait until your task succeeds.</p>
<p>When a tasks succeeds it means that it built one or more segments that will now be picked up by the data servers.</p>
-<p>Navigate to the <code>Datasources</code> view and click refresh until your datasource (<code>wikipedia</code>) appears.
-This can take a few seconds as the segments are being loaded.</p>
+<p>Navigate to the <code>Datasources</code> view from the header.</p>
<p><img src="../assets/tutorial-batch-data-loader-10.png" alt="Datasource view" title="Datasource view"></p>
+<p>Wait until your datasource (<code>wikipedia</code>) appears.
+This can take a few seconds as the segments are being loaded.</p>
<p>A datasource is queryable once you see a green (fully available) circle.
At this point, you can go to the <code>Query</code> view to run SQL queries against the datasource.</p>
-<p>Since this is a small dataset, you can simply run a <code>SELECT * FROM wikipedia</code> query to see your results.</p>
<p><img src="../assets/tutorial-batch-data-loader-11.png" alt="Query view" title="Query view"></p>
+<p>Run a <code>SELECT * FROM "wikipedia"</code> query to see your results.</p>
<p>Check out the <a href="/docs/latest/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-data-with-a-spec-via-console"></a><a href="#loading-data-with-a-spec-via-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 [...]
<p>The Druid package includes the following sample native batch ingestion task spec at <code>quickstart/tutorial/wikipedia-index.json</code>, shown here for convenience,
diff --git a/docs/latest/tutorials/tutorial-compaction.html b/docs/latest/tutorials/tutorial-compaction.html
index 3306cfc..224ede0 100644
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/tutorials/tutorial-delete-data.html b/docs/latest/tutorials/tutorial-delete-data.html
index 31bcc58..4921a4e 100644
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@@ -3,7 +3,7 @@
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gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/tutorials/tutorial-ingestion-spec.html b/docs/latest/tutorials/tutorial-ingestion-spec.html
index d69aaab..cb586d9 100644
--- a/docs/latest/tutorials/tutorial-ingestion-spec.html
+++ b/docs/latest/tutorials/tutorial-ingestion-spec.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -161,7 +161,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<li><p>If rollup is disabled, then all columns are treated as "dimensions" and no pre-aggregation occurs.</p></li>
</ul>
<p>For this tutorial, let's enable rollup. This is specified with a <code>granularitySpec</code> on the <code>dataSchema</code>.</p>
-<p>Note that the <code>granularitySpec</code> lies outside of the <code>parser</code>. We will revist the <code>parser</code> soon when we define our dimensions and metrics.</p>
+<p>Note that the <code>granularitySpec</code> lies outside of the <code>parser</code>. We will revisit the <code>parser</code> soon when we define our dimensions and metrics.</p>
<pre><code class="hljs css language-json">"dataSchema" : {
"dataSource" : "ingestion-tutorial",
"parser" : {
diff --git a/docs/latest/tutorials/tutorial-kafka.html b/docs/latest/tutorials/tutorial-kafka.html
index 00287ab..3b36ea6 100644
--- a/docs/latest/tutorials/tutorial-kafka.html
+++ b/docs/latest/tutorials/tutorial-kafka.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -96,11 +96,72 @@ tar -xzf kafka_2.12-2.1.0.tgz
<p>Run this command to create a Kafka topic called <em>wikipedia</em>, to which we'll send data:</p>
<pre><code class="hljs css language-bash">./bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic wikipedia
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="start-druid-kafka-ingestion"></a><a href="#start-druid-kafka-ingestion" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
-<p>We will use Druid's Kafka indexing service to ingest messages from our newly created <em>wikipedia</em> topic.</p>
+<h2><a class="anchor" aria-hidden="true" id="load-data-into-kafka"></a><a href="#load-data-into-kafka" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>Let's launch a producer for our topic and send some data!</p>
+<p>In your Druid directory, run the following command:</p>
+<pre><code class="hljs css language-bash"><span class="hljs-built_in">cd</span> quickstart/tutorial
+gunzip -c wikiticker-2015-09-12-sampled.json.gz > wikiticker-2015-09-12-sampled.json
+</code></pre>
+<p>In your Kafka directory, run the following command, where {PATH_TO_DRUID} is replaced by the path to the Druid directory:</p>
+<pre><code class="hljs css language-bash"><span class="hljs-built_in">export</span> KAFKA_OPTS=<span class="hljs-string">"-Dfile.encoding=UTF-8"</span>
+./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic wikipedia < {PATH_TO_DRUID}/quickstart/tutorial/wikiticker-2015-09-12-sampled.json
+</code></pre>
+<p>The previous command posted sample events to the <em>wikipedia</em> Kafka topic.
+Now we will use Druid's Kafka indexing service to ingest messages from our newly created topic.</p>
+<h2><a class="anchor" aria-hidden="true" id="loading-data-with-the-data-loader"></a><a href="#loading-data-with-the-data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S1 [...]
+<p>Navigate to <a href="http://localhost:8888">localhost:8888</a> and click <code>Load data</code> in the console header.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-01.png" alt="Data loader init" title="Data loader init"></p>
+<p>Select <code>Apache Kafka</code> and click <code>Connect data</code>.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-02.png" alt="Data loader sample" title="Data loader sample"></p>
+<p>Enter <code>localhost:9092</code> as the bootstrap server and <code>wikipedia</code> as the topic.</p>
+<p>Click <code>Preview</code> and make sure that the data you are seeing is correct.</p>
+<p>Once the data is located, you can click "Next: Parse data" to go to the next step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-03.png" alt="Data loader parse data" title="Data loader parse data"></p>
+<p>The data loader will try to automatically determine the correct parser for the data.
+In this case it will successfully determine <code>json</code>.
+Feel free to play around with different parser options to get a preview of how Druid will parse your data.</p>
+<p>With the <code>json</code> parser selected, click <code>Next: Parse time</code> to get to the step centered around determining your primary timestamp column.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-04.png" alt="Data loader parse time" title="Data loader parse time"></p>
+<p>Druid's architecture requires a primary timestamp column (internally stored in a column called <code>__time</code>).
+If you do not have a timestamp in your data, select <code>Constant value</code>.
+In our example, the data loader will determine that the <code>time</code> column in our raw data is the only candidate that can be used as the primary time column.</p>
+<p>Click <code>Next: ...</code> twice to go past the <code>Transform</code> and <code>Filter</code> steps.
+You do not need to enter anything in these steps as applying ingestion time transforms and filters are out of scope for this tutorial.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-05.png" alt="Data loader schema" title="Data loader schema"></p>
+<p>In the <code>Configure schema</code> step, you can configure which <a href="/docs/latest/ingestion/index.html#dimensions">dimensions</a> and <a href="/docs/latest/ingestion/index.html#metrics">metrics</a> will be ingested into Druid.
+This is exactly what the data will appear like in Druid once it is ingested.
+Since our dataset is very small, go ahead and turn off <a href="/docs/latest/ingestion/index.html#rollup"><code>Rollup</code></a> by clicking on the switch and confirming the change.</p>
+<p>Once you are satisfied with the schema, click <code>Next</code> to go to the <code>Partition</code> step where you can fine tune how the data will be partitioned into segments.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-06.png" alt="Data loader partition" title="Data loader partition"></p>
+<p>Here, you can adjust how the data will be split up into segments in Druid.
+Since this is a small dataset, there are no adjustments that need to be made in this step.</p>
+<p>Click <code>Next: Tune</code> to go to the tuning step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-07.png" alt="Data loader tune" title="Data loader tune"></p>
+<p>In the <code>Tune</code> step is it <em>very important</em> to set <code>Use earliest offset</code> to <code>True</code> since we want to consume the data from the start of the stream.
+There are no other changes that need to be made hear, so click <code>Next: Publish</code> to go to the <code>Publish</code> step.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-08.png" alt="Data loader publish" title="Data loader publish"></p>
+<p>Let's name this datasource <code>wikipedia-kafka</code>.</p>
+<p>Finally, click <code>Next</code> to review your spec.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-09.png" alt="Data loader spec" title="Data loader spec"></p>
+<p>This is the spec you have constructed.
+Feel free to go back and make changes in previous steps to see how changes will update the spec.
+Similarly, you can also edit the spec directly and see it reflected in the previous steps.</p>
+<p>Once you are satisfied with the spec, click <code>Submit</code> and an ingestion task will be created.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-10.png" alt="Tasks view" title="Tasks view"></p>
+<p>You will be taken to the task view with the focus on the newly created supervisor.</p>
+<p>The task view is set to auto refresh, wait until your supervisor launches a task.</p>
+<p>When a tasks starts running, it will also start serving the data that it is ingesting.</p>
+<p>Navigate to the <code>Datasources</code> view from the header.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-11.png" alt="Datasource view" title="Datasource view"></p>
+<p>When the <code>wikipedia-kafka</code> datasource appears here it can be queried.</p>
+<p><em>Note:</em> if the datasource does not appear after a minute you might have not set the supervisor to read from the start of the stream (in the <code>Tune</code> step).</p>
+<p>At this point, you can go to the <code>Query</code> view to run SQL queries against the datasource.</p>
+<p>Since this is a small dataset, you can simply run a <code>SELECT * FROM "wikipedia-kafka"</code> query to see your results.</p>
+<p><img src="../assets/tutorial-kafka-data-loader-12.png" alt="Query view" title="Query view"></p>
+<p>Check out the <a href="/docs/latest/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
<h3><a class="anchor" aria-hidden="true" id="submit-a-supervisor-via-the-console"></a><a href="#submit-a-supervisor-via-the-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2 [...]
<p>In the console, click <code>Submit supervisor</code> to open the submit supervisor dialog.</p>
-<p><img src="../assets/tutorial-kafka-01.png" alt="Submit supervisor" title="Submit supervisor"></p>
+<p><img src="../assets/tutorial-kafka-submit-supervisor-01.png" alt="Submit supervisor" title="Submit supervisor"></p>
<p>Paste in this spec and click <code>Submit</code>.</p>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"kafka"</span>,
@@ -163,7 +224,6 @@ tar -xzf kafka_2.12-2.1.0.tgz
}
</code></pre>
<p>This will start the supervisor that will in turn spawn some tasks that will start listening for incoming data.</p>
-<p><img src="../assets/tutorial-kafka-02.png" alt="Running supervisor" title="Running supervisor"></p>
<h3><a class="anchor" aria-hidden="true" id="submit-a-supervisor-directly"></a><a href="#submit-a-supervisor-directly" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
<p>To start the service directly, we will need to submit a supervisor spec to the Druid overlord by running the following from the Druid package root:</p>
<pre><code class="hljs css language-bash">curl -XPOST -H<span class="hljs-string">'Content-Type: application/json'</span> -d @quickstart/tutorial/wikipedia-kafka-supervisor.json http://localhost:8081/druid/indexer/v1/supervisor
@@ -172,17 +232,6 @@ tar -xzf kafka_2.12-2.1.0.tgz
<p>For more details about what's going on here, check out the
<a href="/docs/latest/development/extensions-core/kafka-ingestion.html">Druid Kafka indexing service documentation</a>.</p>
<p>You can view the current supervisors and tasks in the Druid Console: <a href="http://localhost:8888/unified-console.html#tasks">http://localhost:8888/unified-console.html#tasks</a>.</p>
-<h2><a class="anchor" aria-hidden="true" id="load-data"></a><a href="#load-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.6 [...]
-<p>Let's launch a producer for our topic and send some data!</p>
-<p>In your Druid directory, run the following command:</p>
-<pre><code class="hljs css language-bash"><span class="hljs-built_in">cd</span> quickstart/tutorial
-gunzip -k wikiticker-2015-09-12-sampled.json.gz
-</code></pre>
-<p>In your Kafka directory, run the following command, where {PATH_TO_DRUID} is replaced by the path to the Druid directory:</p>
-<pre><code class="hljs css language-bash"><span class="hljs-built_in">export</span> KAFKA_OPTS=<span class="hljs-string">"-Dfile.encoding=UTF-8"</span>
-./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic wikipedia < {PATH_TO_DRUID}/quickstart/tutorial/wikiticker-2015-09-12-sampled.json
-</code></pre>
-<p>The previous command posted sample events to the <em>wikipedia</em> Kafka topic which were then ingested into Druid by the Kafka indexing service. You're now ready to run some queries!</p>
<h2><a class="anchor" aria-hidden="true" id="querying-your-data"></a><a href="#querying-your-data" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>After data is sent to the Kafka stream, it is immediately available for querying.</p>
<p>Please follow the <a href="/docs/latest/tutorials/tutorial-query.html">query tutorial</a> to run some example queries on the newly loaded data.</p>
@@ -190,4 +239,4 @@ gunzip -k wikiticker-2015-09-12-sampled.json.gz
<p>If you wish to go through any of the other ingestion tutorials, you will need to shut down the cluster and reset the cluster state by removing the contents of the <code>var</code> directory under the druid package, as the other tutorials will write to the same "wikipedia" datasource.</p>
<h2><a class="anchor" aria-hidden="true" id="further-reading"></a><a href="#further-reading" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>For more information on loading data from Kafka streams, please see the <a href="/docs/latest/development/extensions-core/kafka-ingestion.html">Druid Kafka indexing service documentation</a>.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/tutorials/tutorial-batch.html"><span class="arrow-prev">← </span><span>Loading files natively</span></a><a class="docs-next button" href="/docs/latest/tutorials/tutorial-batch-hadoop.html"><span>Load from Apache Hadoop</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#getting-started">Getting started</a></li><li>< [...]
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/tutorials/tutorial-batch.html"><span class="arrow-prev">← </span><span>Loading files natively</span></a><a class="docs-next button" href="/docs/latest/tutorials/tutorial-batch-hadoop.html"><span>Load from Apache Hadoop</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#getting-started">Getting started</a></li><li>< [...]
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diff --git a/docs/latest/tutorials/tutorial-kerberos-hadoop.html b/docs/latest/tutorials/tutorial-kerberos-hadoop.html
index a13f2e4..1b12ca5 100644
--- a/docs/latest/tutorials/tutorial-kerberos-hadoop.html
+++ b/docs/latest/tutorials/tutorial-kerberos-hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
diff --git a/docs/latest/tutorials/tutorial-query.html b/docs/latest/tutorials/tutorial-query.html
index a21d65c..315800b 100644
--- a/docs/latest/tutorials/tutorial-query.html
+++ b/docs/latest/tutorials/tutorial-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -91,18 +91,22 @@ The Druid console includes a view to issue queries to Druid and nicely format th
<p>This query retrieves the 10 Wikipedia pages with the most page edits on 2015-09-12.</p>
<pre><code class="hljs css language-sql"><span class="hljs-keyword">SELECT</span> page, <span class="hljs-keyword">COUNT</span>(*) <span class="hljs-keyword">AS</span> Edits
<span class="hljs-keyword">FROM</span> wikipedia
-<span class="hljs-keyword">WHERE</span> <span class="hljs-string">"__time"</span> <span class="hljs-keyword">BETWEEN</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-12 00:00:00'</span> <span class="hljs-keyword">AND</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-13 00:00:00'</span>
-<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> page <span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> Edits <span class="hljs-keyword">DESC</span>
+<span class="hljs-keyword">WHERE</span> <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-12 00:00:00'</span> <= <span class="hljs-string">"__time"</span> <span class="hljs-keyword">AND</span> <span class="hljs-string">"__time"</span> < <span class="hljs-built_in">TIMESTAMP</span> <span class="hljs-string">'2015-09-13 00:00:00'</span>
+<span class="hljs-keyword">GROUP</span> <span class="hljs-keyword">BY</span> page
+<span class="hljs-keyword">ORDER</span> <span class="hljs-keyword">BY</span> Edits <span class="hljs-keyword">DESC</span>
<span class="hljs-keyword">LIMIT</span> <span class="hljs-number">10</span>
</code></pre>
<p>Let's look at the different ways to issue this query.</p>
<h3><a class="anchor" aria-hidden="true" id="query-sql-via-the-console"></a><a href="#query-sql-via-the-console" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c [...]
<p>You can issue the above query from the console.</p>
<p><img src="../assets/tutorial-query-01.png" alt="Query autocomplete" title="Query autocomplete"></p>
-<p>The console query view provides autocomplete together with inline function documentation.
-You can also configure extra context flags to be sent with the query from the more options menu.</p>
+<p>The console query view provides autocomplete functionality with inline documentation.</p>
<p><img src="../assets/tutorial-query-02.png" alt="Query options" title="Query options"></p>
-<p>Note that the console will by default wrap your SQL queries in a limit so that you can issue queries like <code>SELECT * FROM wikipedia</code> without much hesitation - you can turn off this behaviour.</p>
+<p>You can also configure extra <a href="/docs/latest/querying/query-context.html">context flags</a> to be sent with the query from the <code>...</code> options menu.</p>
+<p>Note that the console will (by default) wrap your SQL queries in a limit where appropriate so that queries such as <code>SELECT * FROM wikipedia</code> can complete.
+You can turn off this behavior from the <code>Smart query limit</code> toggle.</p>
+<p><img src="../assets/tutorial-query-03.png" alt="Query actions" title="Query actions"></p>
+<p>The query view provides contextual actions that can write and modify the query for you.</p>
<h3><a class="anchor" aria-hidden="true" id="query-sql-via-dsql"></a><a href="#query-sql-via-dsql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<p>For convenience, the Druid package includes a SQL command-line client, located at <code>bin/dsql</code> from the Druid package root.</p>
<p>Let's now run <code>bin/dsql</code>; you should see the following prompt:</p>
diff --git a/docs/latest/tutorials/tutorial-retention.html b/docs/latest/tutorials/tutorial-retention.html
index d89c736..5ba546d 100644
--- a/docs/latest/tutorials/tutorial-retention.html
+++ b/docs/latest/tutorials/tutorial-retention.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -89,7 +89,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<p>After the ingestion completes, go to <a href="http://localhost:8888/unified-console.html#datasources">http://localhost:8888/unified-console.html#datasources</a> in a browser to access the Druid Console's datasource view.</p>
<p>This view shows the available datasources and a summary of the retention rules for each datasource:</p>
<p><img src="../assets/tutorial-retention-01.png" alt="Summary" title="Summary"></p>
-<p>Currently there are no rules set for the <code>retention-tutorial</code> datasource. Note that there are default rules for the cluster: load forever with 2 replicants in <code>_default_tier</code>.</p>
+<p>Currently there are no rules set for the <code>retention-tutorial</code> datasource. Note that there are default rules for the cluster: load forever with 2 replicas in <code>_default_tier</code>.</p>
<p>This means that all data will be loaded regardless of timestamp, and each segment will be replicated to two Historical processes in the default tier.</p>
<p>In this tutorial, we will ignore the tiering and redundancy concepts for now.</p>
<p>Let's view the segments for the <code>retention-tutorial</code> datasource by clicking the "24 Segments" link next to "Fully Available".</p>
@@ -101,7 +101,7 @@ the <a href="index.html">single-machine quickstart</a> and have it running on yo
<p>A rule configuration window will appear:</p>
<p><img src="../assets/tutorial-retention-03.png" alt="Rule configuration" title="Rule configuration"></p>
<p>Now click the <code>+ New rule</code> button twice.</p>
-<p>In the upper rule box, select <code>Load</code> and <code>by interval</code>, and then enter <code>2015-09-12T12:00:00.000Z/2015-09-13T00:00:00.000Z</code> in field next to <code>by interval</code>. Replicants can remain at 2 in the <code>_default_tier</code>.</p>
+<p>In the upper rule box, select <code>Load</code> and <code>by interval</code>, and then enter <code>2015-09-12T12:00:00.000Z/2015-09-13T00:00:00.000Z</code> in field next to <code>by interval</code>. Replicas can remain at 2 in the <code>_default_tier</code>.</p>
<p>In the lower rule box, select <code>Drop</code> and <code>forever</code>.</p>
<p>The rules should look like this:</p>
<p><img src="../assets/tutorial-retention-04.png" alt="Set rules" title="Set rules"></p>
diff --git a/docs/latest/tutorials/tutorial-rollup.html b/docs/latest/tutorials/tutorial-rollup.html
index 06d71b7..f1145eb 100644
--- a/docs/latest/tutorials/tutorial-rollup.html
+++ b/docs/latest/tutorials/tutorial-rollup.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/0.16.0-incubating/tutorials/tutorial-tranquility.md b/docs/latest/tutorials/tutorial-tranquility.html
similarity index 100%
rename from docs/0.16.0-incubating/tutorials/tutorial-tranquility.md
rename to docs/latest/tutorials/tutorial-tranquility.html
diff --git a/docs/latest/tutorials/tutorial-transform-spec.html b/docs/latest/tutorials/tutorial-transform-spec.html
index 03a5c10..ace23a2 100644
--- a/docs/latest/tutorials/tutorial-transform-spec.html
+++ b/docs/latest/tutorials/tutorial-transform-spec.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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diff --git a/docs/latest/tutorials/tutorial-update-data.html b/docs/latest/tutorials/tutorial-update-data.html
index c8b3516..9a47fa8 100644
--- a/docs/latest/tutorials/tutorial-update-data.html
+++ b/docs/latest/tutorials/tutorial-update-data.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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[incubator-druid-website] 02/05: updated kafka docs
Posted by cw...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git
commit 2e0afc6fc9f80e0e05a6608ce5577be830f0e41e
Author: Clint Wylie <cw...@apache.org>
AuthorDate: Wed Sep 11 00:16:05 2019 -0700
updated kafka docs
---
.../development/extensions-core/kafka-ingestion.html | 11 ++++++-----
docs/latest/development/extensions-core/kafka-ingestion.html | 11 ++++++-----
2 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
index bcef6ec..4be7dc0 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
@@ -81,14 +81,15 @@
Kafka by managing the creation and lifetime of Kafka indexing tasks. These indexing tasks read events using Kafka's own
partition and offset mechanism and are therefore able to provide guarantees of exactly-once ingestion. They are also
able to read non-recent events from Kafka and are not subject to the window period considerations imposed on other
-ingestion mechanisms using Tranquility. The supervisor oversees the state of the indexing tasks to coordinate handoffs, manage failures,
-and ensure that the scalability and replication requirements are maintained.</p>
+ingestion mechanisms using Tranquility. The supervisor oversees the state of the indexing tasks to coordinate handoffs,
+manage failures, and ensure that the scalability and replication requirements are maintained.</p>
<p>This service is provided in the <code>druid-kafka-indexing-service</code> core Apache Druid (incubating) extension (see
<a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">Including Extensions</a>).</p>
<blockquote>
-<p>The Kafka indexing service uses the Java consumer that was introduced in Kafka 0.10.x. As there were protocol changes
-made in this version, Kafka 0.10.x consumers might not be compatible with older brokers. Ensure that your Kafka brokers are
-version 0.10.x or better before using this functionality. Refer <a href="https://kafka.apache.org/documentation/#upgrade">Kafka upgrade guide</a> if you are using older version of Kafka brokers.</p>
+<p>The Kafka indexing service supports transactional topics which were introduced in Kafka 0.11.x. These changes make the
+Kafka consumer that Druid uses incompatible with older brokers. Ensure that your Kafka brokers are version 0.11.x or
+better before using this functionality. Refer <a href="https://kafka.apache.org/documentation/#upgrade">Kafka upgrade guide</a>
+if you are using older version of Kafka brokers.</p>
</blockquote>
<h2><a class="anchor" aria-hidden="true" id="tutorial"></a><a href="#tutorial" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>This page contains reference documentation for Apache Kafka-based ingestion.
diff --git a/docs/latest/development/extensions-core/kafka-ingestion.html b/docs/latest/development/extensions-core/kafka-ingestion.html
index 16ef6ac..81640e1 100644
--- a/docs/latest/development/extensions-core/kafka-ingestion.html
+++ b/docs/latest/development/extensions-core/kafka-ingestion.html
@@ -81,14 +81,15 @@
Kafka by managing the creation and lifetime of Kafka indexing tasks. These indexing tasks read events using Kafka's own
partition and offset mechanism and are therefore able to provide guarantees of exactly-once ingestion. They are also
able to read non-recent events from Kafka and are not subject to the window period considerations imposed on other
-ingestion mechanisms using Tranquility. The supervisor oversees the state of the indexing tasks to coordinate handoffs, manage failures,
-and ensure that the scalability and replication requirements are maintained.</p>
+ingestion mechanisms using Tranquility. The supervisor oversees the state of the indexing tasks to coordinate handoffs,
+manage failures, and ensure that the scalability and replication requirements are maintained.</p>
<p>This service is provided in the <code>druid-kafka-indexing-service</code> core Apache Druid (incubating) extension (see
<a href="/docs/latest/development/extensions.html#loading-extensions">Including Extensions</a>).</p>
<blockquote>
-<p>The Kafka indexing service uses the Java consumer that was introduced in Kafka 0.10.x. As there were protocol changes
-made in this version, Kafka 0.10.x consumers might not be compatible with older brokers. Ensure that your Kafka brokers are
-version 0.10.x or better before using this functionality. Refer <a href="https://kafka.apache.org/documentation/#upgrade">Kafka upgrade guide</a> if you are using older version of Kafka brokers.</p>
+<p>The Kafka indexing service supports transactional topics which were introduced in Kafka 0.11.x. These changes make the
+Kafka consumer that Druid uses incompatible with older brokers. Ensure that your Kafka brokers are version 0.11.x or
+better before using this functionality. Refer <a href="https://kafka.apache.org/documentation/#upgrade">Kafka upgrade guide</a>
+if you are using older version of Kafka brokers.</p>
</blockquote>
<h2><a class="anchor" aria-hidden="true" id="tutorial"></a><a href="#tutorial" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>This page contains reference documentation for Apache Kafka-based ingestion.
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[incubator-druid-website] 04/05: update to 0.16.0-incubating-rc3
Posted by cw...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git
commit f14fe87d8878a0088a0761fec8ee982e7be84845
Author: Clint Wylie <cw...@apache.org>
AuthorDate: Fri Sep 13 23:48:10 2019 -0700
update to 0.16.0-incubating-rc3
---
.../assets/web-console-01-home-view.png | Bin 58587 -> 62928 bytes
.../assets/web-console-02-data-loader-1.png | Bin 68576 -> 80587 bytes
.../assets/web-console-03-data-loader-2.png | Bin 456607 -> 280137 bytes
.../assets/web-console-04-datasources.png | Bin 178133 -> 113501 bytes
.../assets/web-console-05-retention.png | Bin 173350 -> 99148 bytes
.../assets/web-console-06-segments.png | Bin 209772 -> 136070 bytes
.../assets/web-console-07-supervisors.png | Bin 120310 -> 77637 bytes
.../assets/web-console-08-supervisor-status.png | Bin 0 -> 82538 bytes
.../assets/web-console-08-tasks.png | Bin 64362 -> 0 bytes
.../assets/web-console-09-task-status.png | Bin 94299 -> 251600 bytes
.../assets/web-console-10-servers.png | Bin 79421 -> 92508 bytes
.../assets/web-console-11-query-sql.png | Bin 111209 -> 136714 bytes
.../assets/web-console-12-query-rune.png | Bin 137679 -> 94341 bytes
.../assets/web-console-13-lookups.png | Bin 54480 -> 56556 bytes
.../comparisons/druid-vs-elasticsearch.html | 4 +-
.../comparisons/druid-vs-key-value.html | 4 +-
.../comparisons/druid-vs-kudu.html | 4 +-
.../comparisons/druid-vs-redshift.html | 4 +-
.../comparisons/druid-vs-spark.html | 4 +-
.../comparisons/druid-vs-sql-on-hadoop.html | 4 +-
docs/0.16.0-incubating/configuration/index.html | 4 +-
docs/0.16.0-incubating/configuration/logging.html | 4 +-
.../dependencies/deep-storage.html | 4 +-
.../dependencies/metadata-storage.html | 4 +-
docs/0.16.0-incubating/dependencies/zookeeper.html | 4 +-
docs/0.16.0-incubating/design/architecture.html | 4 +-
docs/0.16.0-incubating/design/auth.html | 4 +-
docs/0.16.0-incubating/design/broker.html | 4 +-
docs/0.16.0-incubating/design/coordinator.html | 4 +-
docs/0.16.0-incubating/design/historical.html | 4 +-
docs/0.16.0-incubating/design/index.html | 4 +-
docs/0.16.0-incubating/design/indexer.html | 4 +-
.../0.16.0-incubating/design/indexing-service.html | 4 +-
docs/0.16.0-incubating/design/middlemanager.html | 4 +-
docs/0.16.0-incubating/design/overlord.html | 4 +-
docs/0.16.0-incubating/design/peons.html | 4 +-
docs/0.16.0-incubating/design/processes.html | 4 +-
docs/0.16.0-incubating/design/router.html | 4 +-
docs/0.16.0-incubating/design/segments.html | 4 +-
docs/0.16.0-incubating/development/build.html | 4 +-
.../development/experimental.html | 4 +-
.../extensions-contrib/ambari-metrics-emitter.html | 4 +-
.../development/extensions-contrib/azure.html | 4 +-
.../development/extensions-contrib/cassandra.html | 4 +-
.../development/extensions-contrib/cloudfiles.html | 4 +-
.../extensions-contrib/distinctcount.html | 6 +-
.../development/extensions-contrib/google.html | 150 ++-------------------
.../development/extensions-contrib/graphite.html | 6 +-
.../development/extensions-contrib/influx.html | 4 +-
.../extensions-contrib/influxdb-emitter.html | 4 +-
.../extensions-contrib/kafka-emitter.html | 4 +-
.../extensions-contrib/materialized-view.html | 4 +-
.../extensions-contrib/momentsketch-quantiles.html | 4 +-
.../extensions-contrib/moving-average-query.html | 4 +-
.../extensions-contrib/opentsdb-emitter.html | 4 +-
.../extensions-contrib/redis-cache.html | 4 +-
.../development/extensions-contrib/sqlserver.html | 4 +-
.../development/extensions-contrib/statsd.html | 4 +-
.../tdigestsketch-quantiles.html | 4 +-
.../development/extensions-contrib/thrift.html | 4 +-
.../extensions-contrib/time-min-max.html | 4 +-
.../extensions-core/approximate-histograms.html | 4 +-
.../development/extensions-core/avro.html | 4 +-
.../development/extensions-core/bloom-filter.html | 4 +-
.../extensions-core/datasketches-extension.html | 4 +-
.../extensions-core/datasketches-hll.html | 4 +-
.../extensions-core/datasketches-quantiles.html | 4 +-
.../extensions-core/datasketches-theta.html | 4 +-
.../extensions-core/datasketches-tuple.html | 4 +-
.../extensions-core/druid-basic-security.html | 4 +-
.../extensions-core/druid-kerberos.html | 4 +-
.../development/extensions-core/druid-lookups.html | 6 +-
.../development/extensions-core/examples.html | 80 +----------
.../development/extensions-core/google.html | 142 +++++++++++++++++++
.../development/extensions-core/hdfs.html | 6 +-
.../kafka-extraction-namespace.html | 4 +-
.../extensions-core/kafka-ingestion.html | 4 +-
.../extensions-core/kinesis-ingestion.html | 4 +-
.../extensions-core/lookups-cached-global.html | 4 +-
.../development/extensions-core/mysql.html | 4 +-
.../development/extensions-core/orc.html | 4 +-
.../development/extensions-core/parquet.html | 4 +-
.../development/extensions-core/postgresql.html | 4 +-
.../development/extensions-core/protobuf.html | 4 +-
.../development/extensions-core/s3.html | 4 +-
.../extensions-core/simple-client-sslcontext.html | 4 +-
.../development/extensions-core/stats.html | 4 +-
.../development/extensions-core/test-stats.html | 4 +-
docs/0.16.0-incubating/development/extensions.html | 76 +++++------
docs/0.16.0-incubating/development/geo.html | 4 +-
.../integrating-druid-with-other-technologies.html | 4 +-
docs/0.16.0-incubating/development/javascript.html | 4 +-
docs/0.16.0-incubating/development/modules.html | 4 +-
docs/0.16.0-incubating/development/overview.html | 4 +-
docs/0.16.0-incubating/development/versioning.html | 4 +-
docs/0.16.0-incubating/ingestion/data-formats.html | 4 +-
.../ingestion/data-management.html | 4 +-
docs/0.16.0-incubating/ingestion/faq.html | 4 +-
docs/0.16.0-incubating/ingestion/hadoop.html | 4 +-
docs/0.16.0-incubating/ingestion/index.html | 4 +-
docs/0.16.0-incubating/ingestion/native-batch.html | 38 +++---
.../0.16.0-incubating/ingestion/schema-design.html | 4 +-
.../ingestion/standalone-realtime.html | 4 +-
docs/0.16.0-incubating/ingestion/tasks.html | 4 +-
docs/0.16.0-incubating/ingestion/tranquility.html | 4 +-
docs/0.16.0-incubating/misc/math-expr.html | 4 +-
docs/0.16.0-incubating/misc/papers-and-talks.html | 4 +-
docs/0.16.0-incubating/operations/alerts.html | 4 +-
.../operations/api-reference.html | 4 +-
.../operations/basic-cluster-tuning.html | 4 +-
.../operations/deep-storage-migration.html | 4 +-
.../operations/druid-console.html | 35 +++--
.../0.16.0-incubating/operations/dump-segment.html | 4 +-
.../operations/export-metadata.html | 4 +-
.../operations/getting-started.html | 4 +-
.../operations/high-availability.html | 4 +-
.../operations/http-compression.html | 4 +-
.../operations/insert-segment-to-db.html | 4 +-
.../operations/management-uis.html | 4 +-
.../operations/metadata-migration.html | 4 +-
docs/0.16.0-incubating/operations/metrics.html | 4 +-
.../0.16.0-incubating/operations/other-hadoop.html | 4 +-
.../operations/password-provider.html | 4 +-
docs/0.16.0-incubating/operations/pull-deps.html | 4 +-
.../operations/recommendations.html | 4 +-
.../operations/reset-cluster.html | 4 +-
.../operations/rolling-updates.html | 4 +-
.../operations/rule-configuration.html | 4 +-
.../operations/segment-optimization.html | 4 +-
.../operations/single-server.html | 4 +-
docs/0.16.0-incubating/operations/tls-support.html | 4 +-
.../operations/use_sbt_to_build_fat_jar.html | 4 +-
docs/0.16.0-incubating/querying/aggregations.html | 4 +-
docs/0.16.0-incubating/querying/caching.html | 4 +-
docs/0.16.0-incubating/querying/datasource.html | 4 +-
.../querying/datasourcemetadataquery.html | 4 +-
.../0.16.0-incubating/querying/dimensionspecs.html | 4 +-
docs/0.16.0-incubating/querying/filters.html | 4 +-
docs/0.16.0-incubating/querying/granularities.html | 4 +-
docs/0.16.0-incubating/querying/groupbyquery.html | 4 +-
docs/0.16.0-incubating/querying/having.html | 4 +-
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js/code-block-buttons.js | 66 +++++++++
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/design/broker.html b/docs/0.16.0-incubating/design/broker.html
index 8a828f1..2ec9725 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/design/coordinator.html b/docs/0.16.0-incubating/design/coordinator.html
index 000b78f..9c1602c 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/design/historical.html b/docs/0.16.0-incubating/design/historical.html
index 0fb87ea..8549fe5 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/design/index.html b/docs/0.16.0-incubating/design/index.html
index fc2855e..daf11cc 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/design/indexer.html b/docs/0.16.0-incubating/design/indexer.html
index 092bd68..79cd416 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/design/indexing-service.html b/docs/0.16.0-incubating/design/indexing-service.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
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diff --git a/docs/0.16.0-incubating/design/router.html b/docs/0.16.0-incubating/design/router.html
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/build.html b/docs/0.16.0-incubating/development/build.html
index d497cd5..31799fd 100644
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html
index ec48358..cde4937 100644
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/azure.html b/docs/0.16.0-incubating/development/extensions-contrib/azure.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html b/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html
index 82d859a..db8dba8 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html b/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html b/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html
index 32e198f..8edb419 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
@@ -140,4 +140,4 @@
]
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html"><span class="arrow-prev">← </span><span>Rackspace Cloud Files</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/google.html"><span>Google Cloud Storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#times [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html"><span class="arrow-prev">← </span><span>Rackspace Cloud Files</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html"><span>Graphite Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#timeser [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/google.html b/docs/0.16.0-incubating/development/extensions-contrib/google.html
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- event.preventDefault();
-
- target.classList.toggle(className);
- };
- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Google Cloud Storage</h1></header><article><div><span><!--
- ~ Licensed to the Apache Software Foundation (ASF) under one
- ~ or more contributor license agreements. See the NOTICE file
- ~ distributed with this work for additional information
- ~ regarding copyright ownership. The ASF licenses this file
- ~ to you under the Apache License, Version 2.0 (the
- ~ "License"); you may not use this file except in compliance
- ~ with the License. You may obtain a copy of the License at
- ~
- ~ http://www.apache.org/licenses/LICENSE-2.0
- ~
- ~ Unless required by applicable law or agreed to in writing,
- ~ software distributed under the License is distributed on an
- ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- ~ KIND, either express or implied. See the License for the
- ~ specific language governing permissions and limitations
- ~ under the License.
- -->
-<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-google-extensions</code> extension.</p>
-<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
-<p>Deep storage can be written to Google Cloud Storage either via this extension or the <a href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html">druid-hdfs-storage extension</a>.</p>
-<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<table>
-<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.storage.type</code></td><td>google</td><td></td><td>Must be set.</td></tr>
-<tr><td><code>druid.google.bucket</code></td><td></td><td>GCS bucket name.</td><td>Must be set.</td></tr>
-<tr><td><code>druid.google.prefix</code></td><td></td><td>GCS prefix.</td><td>Must be set.</td></tr>
-</tbody>
-</table>
-<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p><a name="firehose"></a></p>
-<h4><a class="anchor" aria-hidden="true" id="staticgoogleblobstorefirehose"></a><a href="#staticgoogleblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Google Cloud Store.</p>
-<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
-<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
-Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
-<p>Sample spec:</p>
-<pre><code class="hljs css language-json">"firehose" : {
- "type" : "static-google-blobstore",
- "blobs": [
- {
- "bucket": "foo",
- "path": "/path/to/your/file.json"
- },
- {
- "bucket": "bar",
- "path": "/another/path.json"
- }
- ]
-}
-</code></pre>
-<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
-shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>type</td><td>This should be <code>static-google-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>blobs</td><td>JSON array of Google Blobs.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
-<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
-<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Google Blobs.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
-<tr><td>fetchTimeout</td><td>Timeout for fetching a Google Blob.</td><td>60000</td><td>no</td></tr>
-<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Google Blob.</td><td>3</td><td>no</td></tr>
-</tbody>
-</table>
-<p>Google Blobs:</p>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>bucket</td><td>Name of the Google Cloud bucket</td><td>N/A</td><td>yes</td></tr>
-<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">DistinctCount Aggregator</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html"><span>Graphite Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class [...]
\ No newline at end of file
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-core/google.html">
+<meta http-equiv="refresh" content="0; url=../extensions-core/google.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-core/google.html">Click here if you are not redirected.</a>
+<script>location="../extensions-core/google.html"</script>
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/graphite.html b/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
index 24ba3fc..f03c3a7 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/graphite.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Graphite Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/graphite.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Graphite Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -148,4 +148,4 @@ druid.emitter.graphite.eventConverter={"type":"whiteList", "namespacePrefix": "d
</code></pre>
<p><strong>Druid emits a huge number of metrics we highly recommend to use the <code>whiteList</code> converter</strong></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/google.html"><span class="arrow-prev">← </span><span>Google Cloud Storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/aggregations.html"><span>Aggregations</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">DistinctCount Aggregator</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/querying/aggregations.html"><span>Aggregations</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/influx.html b/docs/0.16.0-incubating/development/extensions-contrib/influx.html
index 042c54f..4787086 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/influx.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/influx.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Line Protocol Parser</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/influx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">InfluxDB Line Protocol Parser</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
index 823557c..78fa6c5 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">InfluxDB Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
index 7592cbe..2f1cc87 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Kafka Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Kafka Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
index 0e640b6..2cd9c7d 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Materialized View</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Materialized View</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html b/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
index abac86e..b46af7a 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Moment Sketches for Approximate Quantiles module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Moment Sketches for Approximate Quantiles module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html b/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
index e70cf07..f0b2b1e 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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};
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">development/extensions-contrib/moving-average-query</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">development/extensions-contrib/moving-average-query</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html b/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
index d6f6051..a3f206c 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
+++ b/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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};
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">OpenTSDB Emitter</h1></header><article><div><span><!--
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html b/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html
index 8a9dd5a..8713217 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Druid Redis Cache</h1></header><article><div><span><!--
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html b/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html
index 7f05c74..1dac730 100644
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Microsoft SQLServer</h1></header><article><div><span><!--
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/statsd.html b/docs/0.16.0-incubating/development/extensions-contrib/statsd.html
index b90a234..e17643a 100644
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">StatsD Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/statsd.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">StatsD Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html b/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html
index c3e8bf6..94052dd 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">T-Digest Quantiles Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">T-Digest Quantiles Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/thrift.html b/docs/0.16.0-incubating/development/extensions-contrib/thrift.html
index ed46081..27f1223 100644
--- a/docs/0.16.0-incubating/development/extensions-contrib/thrift.html
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Thrift</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/thrift.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Thrift</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html b/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html
index a95c348..f2f0e40 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Timestamp Min/Max aggregators</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Timestamp Min/Max aggregators</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html b/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html
index cc5c26b..76b749a 100644
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Approximate Histogram aggregators</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Approximate Histogram aggregators</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/avro.html b/docs/0.16.0-incubating/development/extensions-core/avro.html
index 4c1ac5f..b28e199 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html b/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html
index e77482f..2bb3235 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Bloom Filter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/bloom-filter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Bloom Filter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
index d680be9..88405f6 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
+++ b/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches extension</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches extension</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html
index 962f97f..517ecc5 100644
--- a/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.html
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@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches HLL Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/datasketches-hll.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches HLL Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html
index 9ee9b0d..9683b79 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches Quantiles Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Quantiles Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.html
index 6aaf6ef..22ef2fd 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches Theta Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/datasketches-theta.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Theta Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html b/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.html
index bc7b46f..830e941 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches Tuple Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/datasketches-tuple.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Tuple Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html b/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html
index fdb4b51..8b1d9ff 100644
--- a/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Basic Security</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html b/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Kerberos</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html b/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html
index d1f1964..1189420 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Cached Lookup Module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/druid-lookups.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Cached Lookup Module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -189,4 +189,4 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<span class="hljs-attr">"reverseLoadingCacheSpec"</span>:{<span class="hljs-attr">"type"</span>:<span class="hljs-string">"mapDb"</span>, <span class="hljs-attr">"maxStoreSize"</span>:<span class="hljs-number">5</span>, <span class="hljs-attr">"expireAfterAccess"</span>:<span class="hljs-number">100000</span>, <span class="hljs-attr">"expireAfterAccess"</span>:<span class="hljs-number">10000</span>}
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html"><span class="arrow-prev">← </span><span>Kerberos</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/examples.html"><span>Extension Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#description">Descrip [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html"><span class="arrow-prev">← </span><span>Kerberos</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/google.html"><span>Google Cloud Storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#description">Descrip [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-core/examples.html b/docs/0.16.0-incubating/development/extensions-core/examples.html
index 312506b..4b3ac1b 100644
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-
- document.addEventListener('DOMContentLoaded', function() {
- createToggler('#navToggler', '#docsNav', 'docsSliderActive');
- createToggler('#tocToggler', 'body', 'tocActive');
-
- var headings = document.querySelector('.toc-headings');
- headings && headings.addEventListener('click', function(event) {
- var el = event.target;
- while(el !== headings){
- if (el.tagName === 'A') {
- document.body.classList.remove('tocActive');
- break;
- } else{
- el = el.parentNode;
- }
- }
- }, false);
-
- function createToggler(togglerSelector, targetSelector, className) {
- var toggler = document.querySelector(togglerSelector);
- var target = document.querySelector(targetSelector);
-
- if (!toggler) {
- return;
- }
-
- toggler.onclick = function(event) {
- event.preventDefault();
-
- target.classList.toggle(className);
- };
- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Extension Examples</h1></header><article><div><span><!--
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -77,23 +21,5 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<h2><a class="anchor" aria-hidden="true" id="twitterspritzerfirehose"></a><a href="#twitterspritzerfirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
-<p>This firehose connects directly to the twitter spritzer data stream.</p>
-<p>Sample spec:</p>
-<pre><code class="hljs css language-json">"firehose" : {
- "type" : "twitzer",
- "maxEventCount": -1,
- "maxRunMinutes": 0
-}
-</code></pre>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>type</td><td>This should be "twitzer"</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxEventCount</td><td>max events to receive, -1 is infinite, 0 means nothing is delivered; use this to prevent infinite space consumption or to prevent getting throttled at an inconvenient time.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxRunMinutes</td><td>maximum number of minutes to fetch Twitter events. Use this to prevent getting throttled at an inconvenient time. If zero or less, no time limit for run.</td><td>N/A</td><td>yes</td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html"><span class="arrow-prev">← </span><span>Cached Lookup Module</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html"><span>HDFS</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#twitterspritzerfirehose">Tw [...]
\ No newline at end of file
+<p>This extension was removed in Apache Druid (incubating) 0.16.0. In prior versions, the extension provided obsolete facilities to ingest data from the Twitter 'Spritzer' data stream as well as the Wikipedia changes IRC channel.</p>
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p><a href="/technology">Technology</a> · <a href="/use-cases">Use Cases</a> · <a href="/druid-powered">Powered by Druid</a> · <a href="/docs/0.16.0-incubating/latest">Docs</a> · <a href="/community/">Community</a> · <a href="/downloads.html">Download</a> · <a href="/faq">FAQ</a></p [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-core/google.html b/docs/0.16.0-incubating/development/extensions-core/google.html
new file mode 100644
index 0000000..fe2db99
--- /dev/null
+++ b/docs/0.16.0-incubating/development/extensions-core/google.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Google Cloud Storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Google Cloud Storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/google.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Google Cloud Storage</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/0.16.0-incubating/development/extensions.html#loading-extensions">include</a> <code>druid-google-extensions</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Deep storage can be written to Google Cloud Storage either via this extension or the <a href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html">druid-hdfs-storage extension</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>google</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.bucket</code></td><td></td><td>GCS bucket name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.prefix</code></td><td></td><td>GCS prefix.</td><td>Must be set.</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p><a name="firehose"></a></p>
+<h4><a class="anchor" aria-hidden="true" id="staticgoogleblobstorefirehose"></a><a href="#staticgoogleblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Google Cloud Store.</p>
+<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
+<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/0.16.0-incubating/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
+Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
+<p>Sample spec:</p>
+<pre><code class="hljs css language-json">"firehose" : {
+ "type" : "static-google-blobstore",
+ "blobs": [
+ {
+ "bucket": "foo",
+ "path": "/path/to/your/file.json"
+ },
+ {
+ "bucket": "bar",
+ "path": "/another/path.json"
+ }
+ ]
+}
+</code></pre>
+<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
+shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>type</td><td>This should be <code>static-google-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>blobs</td><td>JSON array of Google Blobs.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Google Blobs.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
+<tr><td>fetchTimeout</td><td>Timeout for fetching a Google Blob.</td><td>60000</td><td>no</td></tr>
+<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Google Blob.</td><td>3</td><td>no</td></tr>
+</tbody>
+</table>
+<p>Google Blobs:</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>bucket</td><td>Name of the Google Cloud bucket</td><td>N/A</td><td>yes</td></tr>
+<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html"><span class="arrow-prev">← </span><span>Cached Lookup Module</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html"><span>HDFS</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#deep-storage">Deep Storage< [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-core/hdfs.html b/docs/0.16.0-incubating/development/extensions-core/hdfs.html
index fa8223c..6a52bbe 100644
--- a/docs/0.16.0-incubating/development/extensions-core/hdfs.html
+++ b/docs/0.16.0-incubating/development/extensions-core/hdfs.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">HDFS</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/hdfs.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">HDFS</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -107,4 +107,4 @@ If you want to eagerly authenticate against a secured hadoop/hdfs cluster you mu
</table>
<p>All services that need to access GCS need to have the <a href="https://cloud.google.com/hadoop/google-cloud-storage-connector#manualinstallation">GCS connector jar</a> in their class path. One option is to place this jar in <druid>/lib/ and <druid>/extensions/druid-hdfs-storage/</p>
<p>Tested with Druid 0.9.0, Hadoop 2.7.2 and gcs-connector jar 1.4.4-hadoop2.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/examples.html"><span class="arrow-prev">← </span><span>Extension Examples</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html"><span>Apache Kafka Lookups</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a hre [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/extensions-core/google.html"><span class="arrow-prev">← </span><span>Google Cloud Storage</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html"><span>Apache Kafka Lookups</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a hre [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html b/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
index 7fcd478..5ecfbbf 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Kafka Lookups</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Apache Kafka Lookups</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
index 4be7dc0..5bde0fc 100644
--- a/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
+++ b/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
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diff --git a/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html b/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html
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diff --git a/docs/0.16.0-incubating/development/extensions-core/mysql.html b/docs/0.16.0-incubating/development/extensions-core/mysql.html
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diff --git a/docs/0.16.0-incubating/development/extensions-core/orc.html b/docs/0.16.0-incubating/development/extensions-core/orc.html
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diff --git a/docs/0.16.0-incubating/development/extensions-core/test-stats.html b/docs/0.16.0-incubating/development/extensions-core/test-stats.html
index 93d107a..52a31d1 100644
--- a/docs/0.16.0-incubating/development/extensions-core/test-stats.html
+++ b/docs/0.16.0-incubating/development/extensions-core/test-stats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Test Stats Aggregators</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions-core/test-stats.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Test Stats Aggregators</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/development/extensions.html b/docs/0.16.0-incubating/development/extensions.html
index 64573bc..6eea156 100644
--- a/docs/0.16.0-incubating/development/extensions.html
+++ b/docs/0.16.0-incubating/development/extensions.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Extensions</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/development/extensions.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Extensions</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -92,20 +92,21 @@ metadata store. Many clusters will also use additional extensions.</p>
<tr><td>druid-avro-extensions</td><td>Support for data in Apache Avro data format.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/avro.html">link</a></td></tr>
<tr><td>druid-basic-security</td><td>Support for Basic HTTP authentication and role-based access control.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/druid-basic-security.html">link</a></td></tr>
<tr><td>druid-bloom-filter</td><td>Support for providing Bloom filters in druid queries.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/bloom-filter.html">link</a></td></tr>
-<tr><td>druid-caffeine-cache</td><td>A local cache implementation backed by Caffeine.</td><td><a href="../configuration/index.html#cache-configuration">link</a></td></tr>
-<tr><td>druid-datasketches</td><td>Support for approximate counts and set operations with <a href="https://datasketches.github.io/">DataSketches</a>.</td><td><a href="../development/extensions-core/datasketches-extension.html">link</a></td></tr>
-<tr><td>druid-hdfs-storage</td><td>HDFS deep storage.</td><td><a href="../development/extensions-core/hdfs.html">link</a></td></tr>
-<tr><td>druid-histogram</td><td>Approximate histograms and quantiles aggregator. Deprecated, please use the <a href="../development/extensions-core/datasketches-quantiles.html">DataSketches quantiles aggregator</a> from the <code>druid-datasketches</code> extension instead.</td><td><a href="../development/extensions-core/approximate-histograms.html">link</a></td></tr>
-<tr><td>druid-kafka-extraction-namespace</td><td>Kafka-based namespaced lookup. Requires namespace lookup extension.</td><td><a href="../development/extensions-core/kafka-extraction-namespace.html">link</a></td></tr>
-<tr><td>druid-kafka-indexing-service</td><td>Supervised exactly-once Kafka ingestion for the indexing service.</td><td><a href="../development/extensions-core/kafka-ingestion.html">link</a></td></tr>
-<tr><td>druid-kinesis-indexing-service</td><td>Supervised exactly-once Kinesis ingestion for the indexing service.</td><td><a href="../development/extensions-core/kinesis-ingestion.html">link</a></td></tr>
-<tr><td>druid-kerberos</td><td>Kerberos authentication for druid processes.</td><td><a href="../development/extensions-core/druid-kerberos.html">link</a></td></tr>
-<tr><td>druid-lookups-cached-global</td><td>A module for <a href="../querying/lookups.html">lookups</a> providing a jvm-global eager caching for lookups. It provides JDBC and URI implementations for fetching lookup data.</td><td><a href="../development/extensions-core/lookups-cached-global.html">link</a></td></tr>
-<tr><td>druid-lookups-cached-single</td><td>Per lookup caching module to support the use cases where a lookup need to be isolated from the global pool of lookups</td><td><a href="../development/extensions-core/druid-lookups.html">link</a></td></tr>
-<tr><td>druid-orc-extensions</td><td>Support for data in Apache Orc data format.</td><td><a href="../development/extensions-core/orc.html">link</a></td></tr>
-<tr><td>druid-parquet-extensions</td><td>Support for data in Apache Parquet data format. Requires druid-avro-extensions to be loaded.</td><td><a href="../development/extensions-core/parquet.html">link</a></td></tr>
-<tr><td>druid-protobuf-extensions</td><td>Support for data in Protobuf data format.</td><td><a href="../development/extensions-core/protobuf.html">link</a></td></tr>
-<tr><td>druid-s3-extensions</td><td>Interfacing with data in AWS S3, and using S3 as deep storage.</td><td><a href="../development/extensions-core/s3.html">link</a></td></tr>
+<tr><td>druid-caffeine-cache</td><td>A local cache implementation backed by Caffeine.</td><td><a href="/docs/0.16.0-incubating/configuration/index.html#cache-configuration">link</a></td></tr>
+<tr><td>druid-datasketches</td><td>Support for approximate counts and set operations with <a href="https://datasketches.github.io/">DataSketches</a>.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/datasketches-extension.html">link</a></td></tr>
+<tr><td>druid-google-extensions</td><td>Google Cloud Storage deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/google.html">link</a></td></tr>
+<tr><td>druid-hdfs-storage</td><td>HDFS deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/hdfs.html">link</a></td></tr>
+<tr><td>druid-histogram</td><td>Approximate histograms and quantiles aggregator. Deprecated, please use the <a href="/docs/0.16.0-incubating/development/extensions-core/datasketches-quantiles.html">DataSketches quantiles aggregator</a> from the <code>druid-datasketches</code> extension instead.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/approximate-histograms.html">link</a></td></tr>
+<tr><td>druid-kafka-extraction-namespace</td><td>Kafka-based namespaced lookup. Requires namespace lookup extension.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/kafka-extraction-namespace.html">link</a></td></tr>
+<tr><td>druid-kafka-indexing-service</td><td>Supervised exactly-once Kafka ingestion for the indexing service.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/kafka-ingestion.html">link</a></td></tr>
+<tr><td>druid-kinesis-indexing-service</td><td>Supervised exactly-once Kinesis ingestion for the indexing service.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/kinesis-ingestion.html">link</a></td></tr>
+<tr><td>druid-kerberos</td><td>Kerberos authentication for druid processes.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/druid-kerberos.html">link</a></td></tr>
+<tr><td>druid-lookups-cached-global</td><td>A module for <a href="/docs/0.16.0-incubating/querying/lookups.html">lookups</a> providing a jvm-global eager caching for lookups. It provides JDBC and URI implementations for fetching lookup data.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/lookups-cached-global.html">link</a></td></tr>
+<tr><td>druid-lookups-cached-single</td><td>Per lookup caching module to support the use cases where a lookup need to be isolated from the global pool of lookups</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/druid-lookups.html">link</a></td></tr>
+<tr><td>druid-orc-extensions</td><td>Support for data in Apache Orc data format.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/orc.html">link</a></td></tr>
+<tr><td>druid-parquet-extensions</td><td>Support for data in Apache Parquet data format. Requires druid-avro-extensions to be loaded.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/parquet.html">link</a></td></tr>
+<tr><td>druid-protobuf-extensions</td><td>Support for data in Protobuf data format.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/protobuf.html">link</a></td></tr>
+<tr><td>druid-s3-extensions</td><td>Interfacing with data in AWS S3, and using S3 as deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/s3.html">link</a></td></tr>
<tr><td>druid-ec2-extensions</td><td>Interfacing with AWS EC2 for autoscaling middle managers</td><td>UNDOCUMENTED</td></tr>
<tr><td>druid-stats</td><td>Statistics related module including variance and standard deviation.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/stats.html">link</a></td></tr>
<tr><td>mysql-metadata-storage</td><td>MySQL metadata store.</td><td><a href="/docs/0.16.0-incubating/development/extensions-core/mysql.html">link</a></td></tr>
@@ -119,31 +120,30 @@ metadata store. Many clusters will also use additional extensions.</p>
</blockquote>
<p>A number of community members have contributed their own extensions to Druid that are not packaged with the default Druid tarball.
If you'd like to take on maintenance for a community extension, please post on <a href="https://lists.apache.org/list.html?dev@druid.apache.org">dev@druid.apache.org</a> to let us know!</p>
-<p>All of these community extensions can be downloaded using <a href="../operations/pull-deps.html">pull-deps</a> while specifying a <code>-c</code> coordinate option to pull <code>org.apache.druid.extensions.contrib:{EXTENSION_NAME}:{DRUID_VERSION}</code>.</p>
+<p>All of these community extensions can be downloaded using <a href="/docs/0.16.0-incubating/operations/pull-deps.html">pull-deps</a> while specifying a <code>-c</code> coordinate option to pull <code>org.apache.druid.extensions.contrib:{EXTENSION_NAME}:{DRUID_VERSION}</code>.</p>
<table>
<thead>
<tr><th>Name</th><th>Description</th><th>Docs</th></tr>
</thead>
<tbody>
-<tr><td>ambari-metrics-emitter</td><td>Ambari Metrics Emitter</td><td><a href="../development/extensions-contrib/ambari-metrics-emitter.html">link</a></td></tr>
-<tr><td>druid-azure-extensions</td><td>Microsoft Azure deep storage.</td><td><a href="../development/extensions-contrib/azure.html">link</a></td></tr>
-<tr><td>druid-cassandra-storage</td><td>Apache Cassandra deep storage.</td><td><a href="../development/extensions-contrib/cassandra.html">link</a></td></tr>
-<tr><td>druid-cloudfiles-extensions</td><td>Rackspace Cloudfiles deep storage and firehose.</td><td><a href="../development/extensions-contrib/cloudfiles.html">link</a></td></tr>
-<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="../development/extensions-contrib/distinctcount.html">link</a></td></tr>
-<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="../development/extensions-contrib/redis-cache.html">link</a></td></tr>
-<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="../development/extensions-contrib/time-min-max.html">link</a></td></tr>
-<tr><td>druid-google-extensions</td><td>Google Cloud Storage deep storage.</td><td><a href="../development/extensions-contrib/google.html">link</a></td></tr>
-<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="../development/extensions-contrib/sqlserver.html">link</a></td></tr>
-<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="../development/extensions-contrib/graphite.html">link</a></td></tr>
-<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="../development/extensions-contrib/statsd.html">link</a></td></tr>
-<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="../development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
-<tr><td>druid-thrift-extensions</td><td>Support thrift ingestion</td><td><a href="../development/extensions-contrib/thrift.html">link</a></td></tr>
-<tr><td>druid-opentsdb-emitter</td><td>OpenTSDB metrics emitter</td><td><a href="../development/extensions-contrib/opentsdb-emitter.html">link</a></td></tr>
-<tr><td>materialized-view-selection, materialized-view-maintenance</td><td>Materialized View</td><td><a href="../development/extensions-contrib/materialized-view.html">link</a></td></tr>
-<tr><td>druid-moving-average-query</td><td>Support for <a href="https://en.wikipedia.org/wiki/Moving_average">Moving Average</a> and other Aggregate <a href="https://en.wikibooks.org/wiki/Structured_Query_Language/Window_functions">Window Functions</a> in Druid queries.</td><td><a href="../development/extensions-contrib/moving-average-query.html">link</a></td></tr>
-<tr><td>druid-influxdb-emitter</td><td>InfluxDB metrics emitter</td><td><a href="../development/extensions-contrib/influxdb-emitter.html">link</a></td></tr>
-<tr><td>druid-momentsketch</td><td>Support for approximate quantile queries using the <a href="https://github.com/stanford-futuredata/momentsketch">momentsketch</a> library</td><td><a href="../development/extensions-contrib/momentsketch-quantiles.html">link</a></td></tr>
-<tr><td>druid-tdigestsketch</td><td>Support for approximate sketch aggregators based on <a href="https://github.com/tdunning/t-digest">T-Digest</a></td><td><a href="../development/extensions-contrib/tdigestsketch-quantiles.html">link</a></td></tr>
+<tr><td>ambari-metrics-emitter</td><td>Ambari Metrics Emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/ambari-metrics-emitter.html">link</a></td></tr>
+<tr><td>druid-azure-extensions</td><td>Microsoft Azure deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/azure.html">link</a></td></tr>
+<tr><td>druid-cassandra-storage</td><td>Apache Cassandra deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/cassandra.html">link</a></td></tr>
+<tr><td>druid-cloudfiles-extensions</td><td>Rackspace Cloudfiles deep storage and firehose.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html">link</a></td></tr>
+<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/distinctcount.html">link</a></td></tr>
+<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/redis-cache.html">link</a></td></tr>
+<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/time-min-max.html">link</a></td></tr>
+<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/sqlserver.html">link</a></td></tr>
+<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/graphite.html">link</a></td></tr>
+<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/statsd.html">link</a></td></tr>
+<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
+<tr><td>druid-thrift-extensions</td><td>Support thrift ingestion</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/thrift.html">link</a></td></tr>
+<tr><td>druid-opentsdb-emitter</td><td>OpenTSDB metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/opentsdb-emitter.html">link</a></td></tr>
+<tr><td>materialized-view-selection, materialized-view-maintenance</td><td>Materialized View</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/materialized-view.html">link</a></td></tr>
+<tr><td>druid-moving-average-query</td><td>Support for <a href="https://en.wikipedia.org/wiki/Moving_average">Moving Average</a> and other Aggregate <a href="https://en.wikibooks.org/wiki/Structured_Query_Language/Window_functions">Window Functions</a> in Druid queries.</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/moving-average-query.html">link</a></td></tr>
+<tr><td>druid-influxdb-emitter</td><td>InfluxDB metrics emitter</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/influxdb-emitter.html">link</a></td></tr>
+<tr><td>druid-momentsketch</td><td>Support for approximate quantile queries using the <a href="https://github.com/stanford-futuredata/momentsketch">momentsketch</a> library</td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/momentsketch-quantiles.html">link</a></td></tr>
+<tr><td>druid-tdigestsketch</td><td>Support for approximate sketch aggregators based on <a href="https://github.com/tdunning/t-digest">T-Digest</a></td><td><a href="/docs/0.16.0-incubating/development/extensions-contrib/tdigestsketch-quantiles.html">link</a></td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="promoting-community-extensions-to-core-extensions"></a><a href="#promoting-community-extensions-to-core-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 [...]
@@ -152,8 +152,8 @@ If we see a community extension actively supported by the community, we can prom
<p>For information how to create your own extension, please see <a href="/docs/0.16.0-incubating/development/modules.html">here</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-extensions"></a><a href="#loading-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<h3><a class="anchor" aria-hidden="true" id="loading-core-extensions"></a><a href="#loading-core-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
-<p>Apache Druid (incubating) bundles all <a href="../development/extensions.html#core-extensions">core extensions</a> out of the box.
-See the <a href="../development/extensions.html#core-extensions">list of extensions</a> for your options. You
+<p>Apache Druid (incubating) bundles all <a href="/docs/0.16.0-incubating/development/extensions.html#core-extensions">core extensions</a> out of the box.
+See the <a href="/docs/0.16.0-incubating/development/extensions.html#core-extensions">list of extensions</a> for your options. You
can load bundled extensions by adding their names to your common.runtime.properties
<code>druid.extensions.loadList</code> property. For example, to load the <em>postgresql-metadata-storage</em> and
<em>druid-hdfs-storage</em> extensions, use the configuration:</p>
diff --git a/docs/0.16.0-incubating/development/geo.html b/docs/0.16.0-incubating/development/geo.html
index 420bbb5..75b513a 100644
--- a/docs/0.16.0-incubating/development/geo.html
+++ b/docs/0.16.0-incubating/development/geo.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/ingestion/index.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/ingestion/native-batch.html b/docs/0.16.0-incubating/ingestion/native-batch.html
index 8bcc9da..5b9f870 100644
--- a/docs/0.16.0-incubating/ingestion/native-batch.html
+++ b/docs/0.16.0-incubating/ingestion/native-batch.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Native batch ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/ingestion/native-batch.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Native batch ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -82,7 +82,7 @@ multiple tasks in parallel, and <code>index</code> which will run a single index
<a href="/docs/0.16.0-incubating/ingestion/index.html#batch">Hadoop-based vs. native batch comparison table</a> for comparisons between Hadoop-based, native batch
(simple), and native batch (parallel) ingestion.</p>
<p>To run either kind of native batch indexing task, write an ingestion spec as specified below. Then POST it to the
-<a href="../operations/api-reference.html#tasks"><code>/druid/indexer/v1/task</code></a> endpoint on the Overlord, or use the
+<a href="/docs/0.16.0-incubating/operations/api-reference.html#tasks"><code>/druid/indexer/v1/task</code></a> endpoint on the Overlord, or use the
<code>bin/post-index-task</code> script included with Druid.</p>
<h2><a class="anchor" aria-hidden="true" id="tutorial"></a><a href="#tutorial" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>This page contains reference documentation for native batch ingestion.
@@ -111,10 +111,10 @@ Otherwise, this task runs sequentially. Here is the list of currently splittable
<li><a href="#local-firehose"><code>LocalFirehose</code></a></li>
<li><a href="#segment-firehose"><code>IngestSegmentFirehose</code></a></li>
<li><a href="#http-firehose"><code>HttpFirehose</code></a></li>
-<li><a href="../development/extensions-core/s3.html#firehose"><code>StaticS3Firehose</code></a></li>
-<li><a href="../development/extensions-contrib/azure.html#firehose"><code>StaticAzureBlobStoreFirehose</code></a></li>
-<li><a href="../development/extensions-contrib/google.html#firehose"><code>StaticGoogleBlobStoreFirehose</code></a></li>
-<li><a href="../development/extensions-contrib/cloudfiles.html#firehose"><code>StaticCloudFilesFirehose</code></a></li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-core/s3.html#firehose"><code>StaticS3Firehose</code></a></li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-contrib/azure.html#firehose"><code>StaticAzureBlobStoreFirehose</code></a></li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-core/google.html#firehose"><code>StaticGoogleBlobStoreFirehose</code></a></li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-contrib/cloudfiles.html#firehose"><code>StaticCloudFilesFirehose</code></a></li>
</ul>
<p>The splittable firehose is responsible for generating <em>splits</em>. The supervisor task generates <em>worker task specs</em> containing a split
and submits worker tasks using those specs. As a result, the number of worker tasks depends on
@@ -249,10 +249,10 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>maxTotalRows</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Total number of rows in segments waiting for being pushed. Used in determining when intermediate pushing should occur.</td><td>20000000</td><td>no</td></tr>
<tr><td>numShards</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Directly specify the number of shards to create. If this is specified and <code>intervals</code> is specified in the <code>granularitySpec</code>, the index task can skip the determine intervals/partitions pass through the data. <code>numShards</code> cannot be specified if <code>maxRowsPerSegment</code> is set.</td><td>null</td><td>no</td></tr>
<tr><td>partitionsSpec</td><td>Defines how to partition data in each timeChunk, see <a href="#partitionsspec">PartitionsSpec</a></td><td><code>dynamic</code> if <code>forceGuaranteedRollup</code> = false, <code>hashed</code> if <code>forceGuaranteedRollup</code> = true</td><td>no</td></tr>
-<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
-<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="index.html#indexspec">IndexSpec [...]
+<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="/docs/0.16.0-incubating/ingestion/index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
+<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="/docs/0.16.0-incubating/ingesti [...]
<tr><td>maxPendingPersists</td><td>Maximum number of persists that can be pending but not started. If this limit would be exceeded by a new intermediate persist, ingestion will block until the currently-running persist finishes. Maximum heap memory usage for indexing scales with maxRowsInMemory * (2 + maxPendingPersists).</td><td>0 (meaning one persist can be running concurrently with ingestion, and none can be queued up)</td><td>no</td></tr>
-<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="../ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, <code>numShards</code> in <code>tuningConfig</code> and <code>intervals</code> in <code>granularitySpec</code> must be set. Note that the result segments would be hash-partitioned. This flag cannot be used with <code>appen [...]
+<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, <code>numShards</code> in <code>tuningConfig</code> and <code>intervals</code> in <code>granularitySpec</code> must be set. Note that the result segments would be hash-partitioned. This flag cannot be [...]
<tr><td>reportParseExceptions</td><td>If true, exceptions encountered during parsing will be thrown and will halt ingestion; if false, unparseable rows and fields will be skipped.</td><td>false</td><td>no</td></tr>
<tr><td>pushTimeout</td><td>Milliseconds to wait for pushing segments. It must be >= 0, where 0 means to wait forever.</td><td>0</td><td>no</td></tr>
<tr><td>segmentWriteOutMediumFactory</td><td>Segment write-out medium to use when creating segments. See <a href="#segmentwriteoutmediumfactory">SegmentWriteOutMediumFactory</a>.</td><td>Not specified, the value from <code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code> is used</td><td>no</td></tr>
@@ -267,7 +267,7 @@ that range if there's some stray data with unexpected timestamps.</p>
</table>
<h3><a class="anchor" aria-hidden="true" id="partitionsspec"></a><a href="#partitionsspec" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>PartitionsSpec is to describe the secondary partitioning method.
-You should use different partitionsSpec depending on the <a href="../ingestion/index.html#rollup">rollup mode</a> you want.
+You should use different partitionsSpec depending on the <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup">rollup mode</a> you want.
For perfect rollup, you should use <code>hashed</code>.</p>
<table>
<thead>
@@ -644,10 +644,10 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>numShards</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Directly specify the number of shards to create. If this is specified and <code>intervals</code> is specified in the <code>granularitySpec</code>, the index task can skip the determine intervals/partitions pass through the data. <code>numShards</code> cannot be specified if <code>maxRowsPerSegment</code> is set.</td><td>null</td><td>no</td></tr>
<tr><td>partitionDimensions</td><td>Deprecated. Use <code>partitionsSpec</code> instead. The dimensions to partition on. Leave blank to select all dimensions. Only used with <code>forceGuaranteedRollup</code> = true, will be ignored otherwise.</td><td>null</td><td>no</td></tr>
<tr><td>partitionsSpec</td><td>Defines how to partition data in each timeChunk, see <a href="#partitionsspec">PartitionsSpec</a></td><td><code>dynamic</code> if <code>forceGuaranteedRollup</code> = false, <code>hashed</code> if <code>forceGuaranteedRollup</code> = true</td><td>no</td></tr>
-<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
-<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="index.html#indexspec">IndexSpec [...]
+<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="/docs/0.16.0-incubating/ingestion/index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
+<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="/docs/0.16.0-incubating/ingesti [...]
<tr><td>maxPendingPersists</td><td>Maximum number of persists that can be pending but not started. If this limit would be exceeded by a new intermediate persist, ingestion will block until the currently-running persist finishes. Maximum heap memory usage for indexing scales with maxRowsInMemory * (2 + maxPendingPersists).</td><td>0 (meaning one persist can be running concurrently with ingestion, and none can be queued up)</td><td>no</td></tr>
-<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="../ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, the index task will read the entire input data twice: one for finding the optimal number of partitions per time chunk and one for generating segments. Note that the result segments would be hash-partitioned. This flag cann [...]
+<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, the index task will read the entire input data twice: one for finding the optimal number of partitions per time chunk and one for generating segments. Note that the result segments would be hash-partit [...]
<tr><td>reportParseExceptions</td><td>DEPRECATED. If true, exceptions encountered during parsing will be thrown and will halt ingestion; if false, unparseable rows and fields will be skipped. Setting <code>reportParseExceptions</code> to true will override existing configurations for <code>maxParseExceptions</code> and <code>maxSavedParseExceptions</code>, setting <code>maxParseExceptions</code> to 0 and limiting <code>maxSavedParseExceptions</code> to no more than 1.</td><td>false</td>< [...]
<tr><td>pushTimeout</td><td>Milliseconds to wait for pushing segments. It must be >= 0, where 0 means to wait forever.</td><td>0</td><td>no</td></tr>
<tr><td>segmentWriteOutMediumFactory</td><td>Segment write-out medium to use when creating segments. See <a href="#segmentwriteoutmediumfactory">SegmentWriteOutMediumFactory</a>.</td><td>Not specified, the value from <code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code> is used</td><td>no</td></tr>
@@ -658,7 +658,7 @@ that range if there's some stray data with unexpected timestamps.</p>
</table>
<h3><a class="anchor" aria-hidden="true" id="partitionsspec-1"></a><a href="#partitionsspec-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>PartitionsSpec is to describe the secondary partitioning method.
-You should use different partitionsSpec depending on the <a href="../ingestion/index.html#rollup">rollup mode</a> you want.
+You should use different partitionsSpec depending on the <a href="/docs/0.16.0-incubating/ingestion/index.html#rollup">rollup mode</a> you want.
For perfect rollup, you should use <code>hashed</code>.</p>
<table>
<thead>
@@ -688,7 +688,7 @@ For perfect rollup, you should use <code>hashed</code>.</p>
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr>
</thead>
<tbody>
-<tr><td>type</td><td>String</td><td>See <a href="../configuration/index.html#segmentwriteoutmediumfactory">Additional Peon Configuration: SegmentWriteOutMediumFactory</a> for explanation and available options.</td><td>yes</td></tr>
+<tr><td>type</td><td>String</td><td>See <a href="/docs/0.16.0-incubating/configuration/index.html#segmentwriteoutmediumfactory">Additional Peon Configuration: SegmentWriteOutMediumFactory</a> for explanation and available options.</td><td>yes</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="segment-pushing-modes"></a><a href="#segment-pushing-modes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
@@ -815,7 +815,7 @@ A sample ingest Firehose spec is shown below:</p>
<tr><td>interval</td><td>A String representing the ISO-8601 interval. This defines the time range to fetch the data over.</td><td>yes</td></tr>
<tr><td>dimensions</td><td>The list of dimensions to select. If left empty, no dimensions are returned. If left null or not defined, all dimensions are returned.</td><td>no</td></tr>
<tr><td>metrics</td><td>The list of metrics to select. If left empty, no metrics are returned. If left null or not defined, all metrics are selected.</td><td>no</td></tr>
-<tr><td>filter</td><td>See <a href="../querying/filters.html">Filters</a></td><td>no</td></tr>
+<tr><td>filter</td><td>See <a href="/docs/0.16.0-incubating/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>maxInputSegmentBytesPerTask</td><td>When used with the native parallel index task, the maximum number of bytes of input segments to process in a single task. If a single segment is larger than this number, it will be processed by itself in a single task (input segments are never split across tasks). Defaults to 150MB.</td><td>no</td></tr>
</tbody>
</table>
@@ -827,8 +827,8 @@ If there are multiple queries from which data needs to be indexed, queries are p
This firehose will accept any type of parser, but will only utilize the list of dimensions and the timestamp specification. See the extension documentation for more detailed ingestion examples.</p>
<p>Requires one of the following extensions:</p>
<ul>
-<li><a href="../development/extensions-core/mysql.html">MySQL Metadata Store</a>.</li>
-<li><a href="../development/extensions-core/postgresql.html">PostgreSQL Metadata Store</a>.</li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-core/mysql.html">MySQL Metadata Store</a>.</li>
+<li><a href="/docs/0.16.0-incubating/development/extensions-core/postgresql.html">PostgreSQL Metadata Store</a>.</li>
</ul>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"sql"</span>,
diff --git a/docs/0.16.0-incubating/ingestion/schema-design.html b/docs/0.16.0-incubating/ingestion/schema-design.html
index 8b883f7..f9b4788 100644
--- a/docs/0.16.0-incubating/ingestion/schema-design.html
+++ b/docs/0.16.0-incubating/ingestion/schema-design.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Schema design tips</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/ingestion/schema-design.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Schema design tips</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/ingestion/standalone-realtime.html b/docs/0.16.0-incubating/ingestion/standalone-realtime.html
index ae9ddfe..4be4703 100644
--- a/docs/0.16.0-incubating/ingestion/standalone-realtime.html
+++ b/docs/0.16.0-incubating/ingestion/standalone-realtime.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Realtime Process</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/ingestion/standalone-realtime.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Realtime Process</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/ingestion/tasks.html b/docs/0.16.0-incubating/ingestion/tasks.html
index 9d0a8e3..37804a2 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/ingestion/tasks.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Task reference</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/ingestion/tranquility.html b/docs/0.16.0-incubating/ingestion/tranquility.html
index e3790d0..37ef91f 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/misc/math-expr.html b/docs/0.16.0-incubating/misc/math-expr.html
index d228b8b..1469f76 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/misc/papers-and-talks.html b/docs/0.16.0-incubating/misc/papers-and-talks.html
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/alerts.html b/docs/0.16.0-incubating/operations/alerts.html
index 4042fb2..074fa00 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/api-reference.html b/docs/0.16.0-incubating/operations/api-reference.html
index ced1208..304bae5 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/basic-cluster-tuning.html b/docs/0.16.0-incubating/operations/basic-cluster-tuning.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/deep-storage-migration.html b/docs/0.16.0-incubating/operations/deep-storage-migration.html
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/operations/deep-storage-migration.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Deep storage migration</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/druid-console.html b/docs/0.16.0-incubating/operations/druid-console.html
index faecda8..abccbbc 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -88,38 +88,47 @@
</code></pre>
<p>Below is a description of the high-level features and functionality of the Druid Console</p>
<h2><a class="anchor" aria-hidden="true" id="home"></a><a href="#home" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6 [...]
-<p>The home view provides a high level overview of the cluster. Each card is clickable and links to the appropriate view. The legacy menu allows you to go to the <a href="./management-uis.html#legacy-consoles">legacy coordinator and overlord consoles</a> should you need them.</p>
+<p>The home view provides a high level overview of the cluster.
+Each card is clickable and links to the appropriate view.
+The legacy menu allows you to go to the <a href="./management-uis.html#legacy-consoles">legacy coordinator and overlord consoles</a> should you need them.</p>
<p><img src="../assets/web-console-01-home-view.png" alt="home-view"></p>
<h2><a class="anchor" aria-hidden="true" id="data-loader"></a><a href="#data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
<p>The data loader view allows you to load data by building an ingestion spec with a step-by-step wizard.</p>
<p><img src="../assets/web-console-02-data-loader-1.png" alt="data-loader-1"></p>
-<p>After picking the source of your data just follow the series for steps that will show you incremental previews of the data as it will be ingested.
+<p>After selecting the location of your data just follow the series for steps that will show you incremental previews of the data as it will be ingested.
After filling in the required details on every step you can navigate to the next step by clicking the <code>Next</code> button.
You can also freely navigate between the steps from the top navigation.</p>
<p>Navigating with the top navigation will leave the underlying spec unmodified while clicking the <code>Next</code> button will attempt to fill in the subsequent steps with appropriate defaults.</p>
<p><img src="../assets/web-console-03-data-loader-2.png" alt="data-loader-2"></p>
<h2><a class="anchor" aria-hidden="true" id="datasources"></a><a href="#datasources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>The datasources view shows all the currently enabled datasources. From this view you can see the sizes and availability of the different datasources. You can edit the retention rules and drop data (as well as issue kill tasks).
-Like any view that is powered by a DruidSQL query you can click “Go to SQL” to run the underlying SQL query directly.</p>
+<p>The datasources view shows all the currently enabled datasources.
+From this view you can see the sizes and availability of the different datasources.
+You can edit the retention rules, configure automatic compaction, and drop data.
+Like any view that is powered by a DruidSQL query you can click <code>View SQL query for table</code> from the <code>...</code> menu to run the underlying SQL query directly.</p>
<p><img src="../assets/web-console-04-datasources.png" alt="datasources"></p>
<p>You can view and edit retention rules to determine the general availability of a datasource.</p>
<p><img src="../assets/web-console-05-retention.png" alt="retention"></p>
<h2><a class="anchor" aria-hidden="true" id="segments"></a><a href="#segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p>The segment view shows every single segment in the cluster. Each segment can be expanded to provide more information. The Segment ID is also conveniently broken down into Datasource, Start, End, Version, and Partition columns for ease of filtering and sorting.</p>
+<p>The segment view shows all the segments in the cluster.
+Each segment can be has a detail view that provides more information.
+The Segment ID is also conveniently broken down into Datasource, Start, End, Version, and Partition columns for ease of filtering and sorting.</p>
<p><img src="../assets/web-console-06-segments.png" alt="segments"></p>
<h2><a class="anchor" aria-hidden="true" id="tasks-and-supervisors"></a><a href="#tasks-and-supervisors" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The task view is also the home of supervisors. From this view you can check the status of existing supervisors as well as suspend and resume them. You can also submit new supervisors by entering their JSON spec.</p>
+<p>From this view you can check the status of existing supervisors as well as suspend, resume, and reset them.
+The tasks table allows you see the currently running and recently completed tasks.
+To make managing a lot of tasks more accessible, you can group the tasks by their <code>Type</code>, <code>Datasource</code>, or <code>Status</code> to make navigation easier.</p>
<p><img src="../assets/web-console-07-supervisors.png" alt="supervisors"></p>
-<p>The tasks table allows you see the currently running and recently completed tasks. From this table you can monitor individual tasks and also submit new tasks by entering their JSON spec.
-To make managing a lot of tasks more accessible, you can group the tasks by their type, datasource, or status to make navigation easier.</p>
-<p><img src="../assets/web-console-08-tasks.png" alt="tasks"></p>
+<p>Click on the magnifying glass for any supervisor to see detailed reports of its progress.</p>
+<p><img src="../assets/web-console-08-supervisor-status.png" alt="supervisor-status"></p>
<p>Click on the magnifying glass for any task to see more detail about it.</p>
<p><img src="../assets/web-console-09-task-status.png" alt="tasks-status"></p>
<h2><a class="anchor" aria-hidden="true" id="servers"></a><a href="#servers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>The data servers tab lets you see the current status of the historical nodes and MiddleManager (indexer) processes. Note that currently only historical nodes that are actively serving segments will be shown in this view.</p>
+<p>The servers tab lets you see the current status of the nodes making up your cluster.
+You can group the nodes by type or by tier to get meaningful summary statistics.</p>
<p><img src="../assets/web-console-10-servers.png" alt="servers"></p>
<h2><a class="anchor" aria-hidden="true" id="query"></a><a href="#query" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
-<p>The query view lets you issue <a href="/docs/0.16.0-incubating/querying/sql.html">DruidSQL</a> queries and display the results as a simple table.</p>
+<p>The query view lets you issue <a href="/docs/0.16.0-incubating/querying/sql.html">DruidSQL</a> queries and display the results as a table.
+The view will attempt to infer your query and let you modify via contextual actions such as adding filters and changing the sort order when possible.</p>
<p><img src="../assets/web-console-11-query-sql.png" alt="query-sql"></p>
<p>The query view can also issue queries in Druid's <a href="/docs/0.16.0-incubating/querying/querying.html">native query format</a>, which is JSON over HTTP.
To send a native Druid query, you must start your query with <code>{</code> and format it as JSON.</p>
diff --git a/docs/0.16.0-incubating/operations/dump-segment.html b/docs/0.16.0-incubating/operations/dump-segment.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/operations/dump-segment.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">dump-segment tool</h1></header><article><div><span><!--
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/export-metadata.html b/docs/0.16.0-incubating/operations/export-metadata.html
index 65e6d80..02af81f 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/operations/export-metadata.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Export Metadata Tool</h1></header><article><div><span><!--
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/getting-started.html b/docs/0.16.0-incubating/operations/getting-started.html
index eca8326..774550d 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/operations/getting-started.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Getting started with Apache Druid</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/high-availability.html b/docs/0.16.0-incubating/operations/high-availability.html
index d9cc0fb..e67df4a 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/http-compression.html b/docs/0.16.0-incubating/operations/http-compression.html
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/0.16.0-incubating/operations/http-compression.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">HTTP compression</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/0.16.0-incubating/operations/insert-segment-to-db.html b/docs/0.16.0-incubating/operations/insert-segment-to-db.html
index 74633e7..2eaf122 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/0.16.0-incubating/operations/management-uis.html b/docs/0.16.0-incubating/operations/management-uis.html
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diff --git a/docs/0.16.0-incubating/operations/metadata-migration.html b/docs/0.16.0-incubating/operations/metadata-migration.html
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diff --git a/docs/0.16.0-incubating/querying/searchquery.html b/docs/0.16.0-incubating/querying/searchquery.html
index 65cb1e9..b9f540f 100644
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diff --git a/docs/0.16.0-incubating/querying/searchqueryspec.html b/docs/0.16.0-incubating/querying/searchqueryspec.html
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diff --git a/docs/0.16.0-incubating/querying/segmentmetadataquery.html b/docs/0.16.0-incubating/querying/segmentmetadataquery.html
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diff --git a/docs/0.16.0-incubating/querying/select-query.html b/docs/0.16.0-incubating/querying/select-query.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ Licensed to the Apache Software Foundation (ASF) under one
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index 18003c1..a60093c 100644
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diff --git a/docs/0.16.0-incubating/querying/timeboundaryquery.html b/docs/0.16.0-incubating/querying/timeboundaryquery.html
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diff --git a/docs/0.16.0-incubating/querying/topnmetricspec.html b/docs/0.16.0-incubating/querying/topnmetricspec.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/latest/design/historical.html b/docs/latest/design/historical.html
index bacf0ba..83fe8b2 100644
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diff --git a/docs/latest/design/index.html b/docs/latest/design/index.html
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diff --git a/docs/latest/design/indexer.html b/docs/latest/design/indexer.html
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diff --git a/docs/latest/design/middlemanager.html b/docs/latest/design/middlemanager.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/latest/design/peons.html b/docs/latest/design/peons.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/design/router.html b/docs/latest/design/router.html
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/design/segments.html b/docs/latest/design/segments.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/build.html b/docs/latest/development/build.html
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@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Experimental features</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/experimental.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Experimental features</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html b/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
index 83919b2..063212f 100644
--- a/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
+++ b/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
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for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Ambari Metrics Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/ambari-metrics-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Ambari Metrics Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/azure.html b/docs/latest/development/extensions-contrib/azure.html
index 1c0e65c..c117b93 100644
--- a/docs/latest/development/extensions-contrib/azure.html
+++ b/docs/latest/development/extensions-contrib/azure.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Microsoft Azure</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/azure.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Microsoft Azure</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/cassandra.html b/docs/latest/development/extensions-contrib/cassandra.html
index e3e3294..ae5ee3d 100644
--- a/docs/latest/development/extensions-contrib/cassandra.html
+++ b/docs/latest/development/extensions-contrib/cassandra.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
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@@ -59,7 +59,7 @@
};
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Cassandra</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/cassandra.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Apache Cassandra</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/cloudfiles.html b/docs/latest/development/extensions-contrib/cloudfiles.html
index 109041f..0da1f68 100644
--- a/docs/latest/development/extensions-contrib/cloudfiles.html
+++ b/docs/latest/development/extensions-contrib/cloudfiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Rackspace Cloud Files</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/cloudfiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Rackspace Cloud Files</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/distinctcount.html b/docs/latest/development/extensions-contrib/distinctcount.html
index 95bdf81..96efcdf 100644
--- a/docs/latest/development/extensions-contrib/distinctcount.html
+++ b/docs/latest/development/extensions-contrib/distinctcount.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DistinctCount Aggregator</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/distinctcount.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DistinctCount Aggregator</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -140,4 +140,4 @@
]
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/cloudfiles.html"><span class="arrow-prev">← </span><span>Rackspace Cloud Files</span></a><a class="docs-next button" href="/docs/latest/development/extensions-contrib/google.html"><span>Google Cloud Storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#timeseries-query">Timeserie [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/cloudfiles.html"><span class="arrow-prev">← </span><span>Rackspace Cloud Files</span></a><a class="docs-next button" href="/docs/latest/development/extensions-contrib/graphite.html"><span>Graphite Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#timeseries-query">Timeseries [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-contrib/google.html b/docs/latest/development/extensions-contrib/google.html
index 022d165..cca1c23 100644
--- a/docs/latest/development/extensions-contrib/google.html
+++ b/docs/latest/development/extensions-contrib/google.html
@@ -1,142 +1,8 @@
-<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Google Cloud Storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Google Cloud Storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" [...]
- window.dataLayer = window.dataLayer || [];
- function gtag(){dataLayer.push(arguments); }
- gtag('js', new Date());
- gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
- var coll = document.getElementsByClassName('collapsible');
- var checkActiveCategory = true;
- for (var i = 0; i < coll.length; i++) {
- var links = coll[i].nextElementSibling.getElementsByTagName('*');
- if (checkActiveCategory){
- for (var j = 0; j < links.length; j++) {
- if (links[j].classList.contains('navListItemActive')){
- coll[i].nextElementSibling.classList.toggle('hide');
- coll[i].childNodes[1].classList.toggle('rotate');
- checkActiveCategory = false;
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- var arrow = this.childNodes[1];
- arrow.classList.toggle('rotate');
- var content = this.nextElementSibling;
- content.classList.toggle('hide');
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- }
-
- document.addEventListener('DOMContentLoaded', function() {
- createToggler('#navToggler', '#docsNav', 'docsSliderActive');
- createToggler('#tocToggler', 'body', 'tocActive');
-
- var headings = document.querySelector('.toc-headings');
- headings && headings.addEventListener('click', function(event) {
- var el = event.target;
- while(el !== headings){
- if (el.tagName === 'A') {
- document.body.classList.remove('tocActive');
- break;
- } else{
- el = el.parentNode;
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-
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- var toggler = document.querySelector(togglerSelector);
- var target = document.querySelector(targetSelector);
-
- if (!toggler) {
- return;
- }
-
- toggler.onclick = function(event) {
- event.preventDefault();
-
- target.classList.toggle(className);
- };
- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Google Cloud Storage</h1></header><article><div><span><!--
- ~ Licensed to the Apache Software Foundation (ASF) under one
- ~ or more contributor license agreements. See the NOTICE file
- ~ distributed with this work for additional information
- ~ regarding copyright ownership. The ASF licenses this file
- ~ to you under the Apache License, Version 2.0 (the
- ~ "License"); you may not use this file except in compliance
- ~ with the License. You may obtain a copy of the License at
- ~
- ~ http://www.apache.org/licenses/LICENSE-2.0
- ~
- ~ Unless required by applicable law or agreed to in writing,
- ~ software distributed under the License is distributed on an
- ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- ~ KIND, either express or implied. See the License for the
- ~ specific language governing permissions and limitations
- ~ under the License.
- -->
-<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/latest/development/extensions.html#loading-extensions">include</a> <code>druid-google-extensions</code> extension.</p>
-<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
-<p>Deep storage can be written to Google Cloud Storage either via this extension or the <a href="/docs/latest/development/extensions-core/hdfs.html">druid-hdfs-storage extension</a>.</p>
-<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
-<table>
-<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.storage.type</code></td><td>google</td><td></td><td>Must be set.</td></tr>
-<tr><td><code>druid.google.bucket</code></td><td></td><td>GCS bucket name.</td><td>Must be set.</td></tr>
-<tr><td><code>druid.google.prefix</code></td><td></td><td>GCS prefix.</td><td>Must be set.</td></tr>
-</tbody>
-</table>
-<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p><a name="firehose"></a></p>
-<h4><a class="anchor" aria-hidden="true" id="staticgoogleblobstorefirehose"></a><a href="#staticgoogleblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Google Cloud Store.</p>
-<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
-<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/latest/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
-Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
-<p>Sample spec:</p>
-<pre><code class="hljs css language-json">"firehose" : {
- "type" : "static-google-blobstore",
- "blobs": [
- {
- "bucket": "foo",
- "path": "/path/to/your/file.json"
- },
- {
- "bucket": "bar",
- "path": "/another/path.json"
- }
- ]
-}
-</code></pre>
-<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
-shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>type</td><td>This should be <code>static-google-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>blobs</td><td>JSON array of Google Blobs.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
-<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
-<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Google Blobs.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
-<tr><td>fetchTimeout</td><td>Timeout for fetching a Google Blob.</td><td>60000</td><td>no</td></tr>
-<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Google Blob.</td><td>3</td><td>no</td></tr>
-</tbody>
-</table>
-<p>Google Blobs:</p>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>bucket</td><td>Name of the Google Cloud bucket</td><td>N/A</td><td>yes</td></tr>
-<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/distinctcount.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">DistinctCount Aggregator</span></a><a class="docs-next button" href="/docs/latest/development/extensions-contrib/graphite.html"><span>Graphite Emitter</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a [...]
\ No newline at end of file
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<link rel="canonical" href="../extensions-core/google.html">
+<meta http-equiv="refresh" content="0; url=../extensions-core/google.html">
+<h1>Redirecting...</h1>
+<a href="../extensions-core/google.html">Click here if you are not redirected.</a>
+<script>location="../extensions-core/google.html"</script>
diff --git a/docs/latest/development/extensions-contrib/graphite.html b/docs/latest/development/extensions-contrib/graphite.html
index 0968ac8..e9d8913 100644
--- a/docs/latest/development/extensions-contrib/graphite.html
+++ b/docs/latest/development/extensions-contrib/graphite.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Graphite Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/graphite.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Graphite Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -148,4 +148,4 @@ druid.emitter.graphite.eventConverter={"type":"whiteList", "namespacePrefix": "d
</code></pre>
<p><strong>Druid emits a huge number of metrics we highly recommend to use the <code>whiteList</code> converter</strong></p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/google.html"><span class="arrow-prev">← </span><span>Google Cloud Storage</span></a><a class="docs-next button" href="/docs/latest/querying/aggregations.html"><span>Aggregations</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#introduction">Introduction</a></li><li><a href="#configu [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-contrib/distinctcount.html"><span class="arrow-prev">← </span><span class="function-name-prevnext">DistinctCount Aggregator</span></a><a class="docs-next button" href="/docs/latest/querying/aggregations.html"><span>Aggregations</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#introduction"> [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-contrib/influx.html b/docs/latest/development/extensions-contrib/influx.html
index 4444080..29cbc27 100644
--- a/docs/latest/development/extensions-contrib/influx.html
+++ b/docs/latest/development/extensions-contrib/influx.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Line Protocol Parser</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/influx.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">InfluxDB Line Protocol Parser</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/influxdb-emitter.html b/docs/latest/development/extensions-contrib/influxdb-emitter.html
index 28c547d..93dfadf 100644
--- a/docs/latest/development/extensions-contrib/influxdb-emitter.html
+++ b/docs/latest/development/extensions-contrib/influxdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">InfluxDB Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/influxdb-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">InfluxDB Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/kafka-emitter.html b/docs/latest/development/extensions-contrib/kafka-emitter.html
index d6e74b8..80a1163 100644
--- a/docs/latest/development/extensions-contrib/kafka-emitter.html
+++ b/docs/latest/development/extensions-contrib/kafka-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Kafka Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/kafka-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Kafka Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/materialized-view.html b/docs/latest/development/extensions-contrib/materialized-view.html
index a6b0226..43d39c1 100644
--- a/docs/latest/development/extensions-contrib/materialized-view.html
+++ b/docs/latest/development/extensions-contrib/materialized-view.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Materialized View</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/materialized-view.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Materialized View</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/momentsketch-quantiles.html b/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
index 316ba00..87c4ee5 100644
--- a/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
+++ b/docs/latest/development/extensions-contrib/momentsketch-quantiles.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Moment Sketches for Approximate Quantiles module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/momentsketch-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Moment Sketches for Approximate Quantiles module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/moving-average-query.html b/docs/latest/development/extensions-contrib/moving-average-query.html
index 20986f4..0c17fb7 100644
--- a/docs/latest/development/extensions-contrib/moving-average-query.html
+++ b/docs/latest/development/extensions-contrib/moving-average-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">development/extensions-contrib/moving-average-query</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/moving-average-query.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">development/extensions-contrib/moving-average-query</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/opentsdb-emitter.html b/docs/latest/development/extensions-contrib/opentsdb-emitter.html
index b3d43bd..4d41a4b 100644
--- a/docs/latest/development/extensions-contrib/opentsdb-emitter.html
+++ b/docs/latest/development/extensions-contrib/opentsdb-emitter.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">OpenTSDB Emitter</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/opentsdb-emitter.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">OpenTSDB Emitter</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/redis-cache.html b/docs/latest/development/extensions-contrib/redis-cache.html
index d74103b..d5660c0 100644
--- a/docs/latest/development/extensions-contrib/redis-cache.html
+++ b/docs/latest/development/extensions-contrib/redis-cache.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Druid Redis Cache</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/redis-cache.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Druid Redis Cache</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/sqlserver.html b/docs/latest/development/extensions-contrib/sqlserver.html
index 9feb021..8fdd1c0 100644
--- a/docs/latest/development/extensions-contrib/sqlserver.html
+++ b/docs/latest/development/extensions-contrib/sqlserver.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
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diff --git a/docs/latest/development/extensions-contrib/statsd.html b/docs/latest/development/extensions-contrib/statsd.html
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diff --git a/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html b/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html
index a89610c..e842fa1 100644
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">T-Digest Quantiles Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">T-Digest Quantiles Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-contrib/thrift.html b/docs/latest/development/extensions-contrib/thrift.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/latest/development/extensions-contrib/time-min-max.html b/docs/latest/development/extensions-contrib/time-min-max.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/approximate-histograms.html b/docs/latest/development/extensions-core/approximate-histograms.html
index eccde97..6019b6e 100644
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/avro.html b/docs/latest/development/extensions-core/avro.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/bloom-filter.html b/docs/latest/development/extensions-core/bloom-filter.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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diff --git a/docs/latest/development/extensions-core/datasketches-extension.html b/docs/latest/development/extensions-core/datasketches-extension.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/datasketches-hll.html b/docs/latest/development/extensions-core/datasketches-hll.html
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/datasketches-hll.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches HLL Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/datasketches-quantiles.html b/docs/latest/development/extensions-core/datasketches-quantiles.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/datasketches-quantiles.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Quantiles Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/datasketches-theta.html b/docs/latest/development/extensions-core/datasketches-theta.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches Theta Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/datasketches-theta.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Theta Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/datasketches-tuple.html b/docs/latest/development/extensions-core/datasketches-tuple.html
index b154f1b..7f6f4ef 100644
--- a/docs/latest/development/extensions-core/datasketches-tuple.html
+++ b/docs/latest/development/extensions-core/datasketches-tuple.html
@@ -3,7 +3,7 @@
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">DataSketches Tuple Sketch module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/datasketches-tuple.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">DataSketches Tuple Sketch module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/druid-basic-security.html b/docs/latest/development/extensions-core/druid-basic-security.html
index 2be4b1b..ffef617 100644
--- a/docs/latest/development/extensions-core/druid-basic-security.html
+++ b/docs/latest/development/extensions-core/druid-basic-security.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Basic Security</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/druid-basic-security.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Basic Security</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/druid-kerberos.html b/docs/latest/development/extensions-core/druid-kerberos.html
index ac7d127..6c586bf 100644
--- a/docs/latest/development/extensions-core/druid-kerberos.html
+++ b/docs/latest/development/extensions-core/druid-kerberos.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Kerberos</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/druid-kerberos.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Kerberos</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/druid-lookups.html b/docs/latest/development/extensions-core/druid-lookups.html
index 0a6e406..7976708 100644
--- a/docs/latest/development/extensions-core/druid-lookups.html
+++ b/docs/latest/development/extensions-core/druid-lookups.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Cached Lookup Module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/druid-lookups.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Cached Lookup Module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -189,4 +189,4 @@ Same for Loading cache, developer can implement a new type of loading cache by i
<span class="hljs-attr">"reverseLoadingCacheSpec"</span>:{<span class="hljs-attr">"type"</span>:<span class="hljs-string">"mapDb"</span>, <span class="hljs-attr">"maxStoreSize"</span>:<span class="hljs-number">5</span>, <span class="hljs-attr">"expireAfterAccess"</span>:<span class="hljs-number">100000</span>, <span class="hljs-attr">"expireAfterAccess"</span>:<span class="hljs-number">10000</span>}
}
</code></pre>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/druid-kerberos.html"><span class="arrow-prev">← </span><span>Kerberos</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/examples.html"><span>Extension Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#description">Description</a></li><li><a hr [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/druid-kerberos.html"><span class="arrow-prev">← </span><span>Kerberos</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/google.html"><span>Google Cloud Storage</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#description">Description</a></li><li><a hr [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-core/examples.html b/docs/latest/development/extensions-core/examples.html
index dad3ec7..8d5a82a 100644
--- a/docs/latest/development/extensions-core/examples.html
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@@ -3,63 +3,7 @@
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- var coll = document.getElementsByClassName('collapsible');
- var checkActiveCategory = true;
- for (var i = 0; i < coll.length; i++) {
- var links = coll[i].nextElementSibling.getElementsByTagName('*');
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- document.addEventListener('DOMContentLoaded', function() {
- createToggler('#navToggler', '#docsNav', 'docsSliderActive');
- createToggler('#tocToggler', 'body', 'tocActive');
-
- var headings = document.querySelector('.toc-headings');
- headings && headings.addEventListener('click', function(event) {
- var el = event.target;
- while(el !== headings){
- if (el.tagName === 'A') {
- document.body.classList.remove('tocActive');
- break;
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-
- target.classList.toggle(className);
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- }
- });
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Extension Examples</h1></header><article><div><span><!--
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -77,23 +21,5 @@
~ specific language governing permissions and limitations
~ under the License.
-->
-<h2><a class="anchor" aria-hidden="true" id="twitterspritzerfirehose"></a><a href="#twitterspritzerfirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
-<p>This firehose connects directly to the twitter spritzer data stream.</p>
-<p>Sample spec:</p>
-<pre><code class="hljs css language-json">"firehose" : {
- "type" : "twitzer",
- "maxEventCount": -1,
- "maxRunMinutes": 0
-}
-</code></pre>
-<table>
-<thead>
-<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
-</thead>
-<tbody>
-<tr><td>type</td><td>This should be "twitzer"</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxEventCount</td><td>max events to receive, -1 is infinite, 0 means nothing is delivered; use this to prevent infinite space consumption or to prevent getting throttled at an inconvenient time.</td><td>N/A</td><td>yes</td></tr>
-<tr><td>maxRunMinutes</td><td>maximum number of minutes to fetch Twitter events. Use this to prevent getting throttled at an inconvenient time. If zero or less, no time limit for run.</td><td>N/A</td><td>yes</td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/druid-lookups.html"><span class="arrow-prev">← </span><span>Cached Lookup Module</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/hdfs.html"><span>HDFS</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#twitterspritzerfirehose">TwitterSpritzerFirehose< [...]
\ No newline at end of file
+<p>This extension was removed in Apache Druid (incubating) 0.16.0. In prior versions, the extension provided obsolete facilities to ingest data from the Twitter 'Spritzer' data stream as well as the Wikipedia changes IRC channel.</p>
+</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p><a href="/technology">Technology</a> · <a href="/use-cases">Use Cases</a> · <a href="/druid-powered">Powered by Druid</a> · <a href="/docs/latest/latest">Docs</a> · <a href="/community/">Community</a> · <a href="/downloads.html">Download</a> · <a href="/faq">FAQ</a></p></div><div [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-core/google.html b/docs/latest/development/extensions-core/google.html
new file mode 100644
index 0000000..dbe285b
--- /dev/null
+++ b/docs/latest/development/extensions-core/google.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Google Cloud Storage · Apache Druid</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<!--"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Google Cloud Storage · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" [...]
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments); }
+ gtag('js', new Date());
+ gtag('config', 'UA-131010415-1');
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
+ var coll = document.getElementsByClassName('collapsible');
+ var checkActiveCategory = true;
+ for (var i = 0; i < coll.length; i++) {
+ var links = coll[i].nextElementSibling.getElementsByTagName('*');
+ if (checkActiveCategory){
+ for (var j = 0; j < links.length; j++) {
+ if (links[j].classList.contains('navListItemActive')){
+ coll[i].nextElementSibling.classList.toggle('hide');
+ coll[i].childNodes[1].classList.toggle('rotate');
+ checkActiveCategory = false;
+ break;
+ }
+ }
+ }
+
+ coll[i].addEventListener('click', function() {
+ var arrow = this.childNodes[1];
+ arrow.classList.toggle('rotate');
+ var content = this.nextElementSibling;
+ content.classList.toggle('hide');
+ });
+ }
+
+ document.addEventListener('DOMContentLoaded', function() {
+ createToggler('#navToggler', '#docsNav', 'docsSliderActive');
+ createToggler('#tocToggler', 'body', 'tocActive');
+
+ var headings = document.querySelector('.toc-headings');
+ headings && headings.addEventListener('click', function(event) {
+ var el = event.target;
+ while(el !== headings){
+ if (el.tagName === 'A') {
+ document.body.classList.remove('tocActive');
+ break;
+ } else{
+ el = el.parentNode;
+ }
+ }
+ }, false);
+
+ function createToggler(togglerSelector, targetSelector, className) {
+ var toggler = document.querySelector(togglerSelector);
+ var target = document.querySelector(targetSelector);
+
+ if (!toggler) {
+ return;
+ }
+
+ toggler.onclick = function(event) {
+ event.preventDefault();
+
+ target.classList.toggle(className);
+ };
+ }
+ });
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/google.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Google Cloud Storage</h1></header><article><div><span><!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one
+ ~ or more contributor license agreements. See the NOTICE file
+ ~ distributed with this work for additional information
+ ~ regarding copyright ownership. The ASF licenses this file
+ ~ to you under the Apache License, Version 2.0 (the
+ ~ "License"); you may not use this file except in compliance
+ ~ with the License. You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing,
+ ~ software distributed under the License is distributed on an
+ ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ ~ KIND, either express or implied. See the License for the
+ ~ specific language governing permissions and limitations
+ ~ under the License.
+ -->
+<p>To use this Apache Druid (incubating) extension, make sure to <a href="/docs/latest/development/extensions.html#loading-extensions">include</a> <code>druid-google-extensions</code> extension.</p>
+<h2><a class="anchor" aria-hidden="true" id="deep-storage"></a><a href="#deep-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<p>Deep storage can be written to Google Cloud Storage either via this extension or the <a href="/docs/latest/development/extensions-core/hdfs.html">druid-hdfs-storage extension</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.storage.type</code></td><td>google</td><td></td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.bucket</code></td><td></td><td>GCS bucket name.</td><td>Must be set.</td></tr>
+<tr><td><code>druid.google.prefix</code></td><td></td><td>GCS prefix.</td><td>Must be set.</td></tr>
+</tbody>
+</table>
+<h2><a class="anchor" aria-hidden="true" id="firehose"></a><a href="#firehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<p><a name="firehose"></a></p>
+<h4><a class="anchor" aria-hidden="true" id="staticgoogleblobstorefirehose"></a><a href="#staticgoogleblobstorefirehose" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>This firehose ingests events, similar to the StaticS3Firehose, but from an Google Cloud Store.</p>
+<p>As with the S3 blobstore, it is assumed to be gzipped if the extension ends in .gz</p>
+<p>This firehose is <em>splittable</em> and can be used by <a href="/docs/latest/ingestion/native-batch.html#parallel-task">native parallel index tasks</a>.
+Since each split represents an object in this firehose, each worker task of <code>index_parallel</code> will read an object.</p>
+<p>Sample spec:</p>
+<pre><code class="hljs css language-json">"firehose" : {
+ "type" : "static-google-blobstore",
+ "blobs": [
+ {
+ "bucket": "foo",
+ "path": "/path/to/your/file.json"
+ },
+ {
+ "bucket": "bar",
+ "path": "/another/path.json"
+ }
+ ]
+}
+</code></pre>
+<p>This firehose provides caching and prefetching features. In IndexTask, a firehose can be read twice if intervals or
+shardSpecs are not specified, and, in this case, caching can be useful. Prefetching is preferred when direct scan of objects is slow.</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>type</td><td>This should be <code>static-google-blobstore</code>.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>blobs</td><td>JSON array of Google Blobs.</td><td>N/A</td><td>yes</td></tr>
+<tr><td>maxCacheCapacityBytes</td><td>Maximum size of the cache space in bytes. 0 means disabling cache. Cached files are not removed until the ingestion task completes.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>maxFetchCapacityBytes</td><td>Maximum size of the fetch space in bytes. 0 means disabling prefetch. Prefetched files are removed immediately once they are read.</td><td>1073741824</td><td>no</td></tr>
+<tr><td>prefetchTriggerBytes</td><td>Threshold to trigger prefetching Google Blobs.</td><td>maxFetchCapacityBytes / 2</td><td>no</td></tr>
+<tr><td>fetchTimeout</td><td>Timeout for fetching a Google Blob.</td><td>60000</td><td>no</td></tr>
+<tr><td>maxFetchRetry</td><td>Maximum retry for fetching a Google Blob.</td><td>3</td><td>no</td></tr>
+</tbody>
+</table>
+<p>Google Blobs:</p>
+<table>
+<thead>
+<tr><th>property</th><th>description</th><th>default</th><th>required?</th></tr>
+</thead>
+<tbody>
+<tr><td>bucket</td><td>Name of the Google Cloud bucket</td><td>N/A</td><td>yes</td></tr>
+<tr><td>path</td><td>The path where data is located.</td><td>N/A</td><td>yes</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/druid-lookups.html"><span class="arrow-prev">← </span><span>Cached Lookup Module</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/hdfs.html"><span>HDFS</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#deep-storage">Deep Storage</a><ul class="toc-head [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-core/hdfs.html b/docs/latest/development/extensions-core/hdfs.html
index aafcb29..94c683f 100644
--- a/docs/latest/development/extensions-core/hdfs.html
+++ b/docs/latest/development/extensions-core/hdfs.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">HDFS</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/hdfs.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">HDFS</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -107,4 +107,4 @@ If you want to eagerly authenticate against a secured hadoop/hdfs cluster you mu
</table>
<p>All services that need to access GCS need to have the <a href="https://cloud.google.com/hadoop/google-cloud-storage-connector#manualinstallation">GCS connector jar</a> in their class path. One option is to place this jar in <druid>/lib/ and <druid>/extensions/druid-hdfs-storage/</p>
<p>Tested with Druid 0.9.0, Hadoop 2.7.2 and gcs-connector jar 1.4.4-hadoop2.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/examples.html"><span class="arrow-prev">← </span><span>Extension Examples</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/kafka-extraction-namespace.html"><span>Apache Kafka Lookups</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#deep-storage">Deep [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/extensions-core/google.html"><span class="arrow-prev">← </span><span>Google Cloud Storage</span></a><a class="docs-next button" href="/docs/latest/development/extensions-core/kafka-extraction-namespace.html"><span>Apache Kafka Lookups</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#deep-storage">Deep [...]
\ No newline at end of file
diff --git a/docs/latest/development/extensions-core/kafka-extraction-namespace.html b/docs/latest/development/extensions-core/kafka-extraction-namespace.html
index 71e2d1a..2ceefc6 100644
--- a/docs/latest/development/extensions-core/kafka-extraction-namespace.html
+++ b/docs/latest/development/extensions-core/kafka-extraction-namespace.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Kafka Lookups</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/kafka-extraction-namespace.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Apache Kafka Lookups</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/kafka-ingestion.html b/docs/latest/development/extensions-core/kafka-ingestion.html
index 81640e1..0238427 100644
--- a/docs/latest/development/extensions-core/kafka-ingestion.html
+++ b/docs/latest/development/extensions-core/kafka-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Kafka ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/kafka-ingestion.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Apache Kafka ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/kinesis-ingestion.html b/docs/latest/development/extensions-core/kinesis-ingestion.html
index 8a5e31e..f790de2 100644
--- a/docs/latest/development/extensions-core/kinesis-ingestion.html
+++ b/docs/latest/development/extensions-core/kinesis-ingestion.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Amazon Kinesis ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/kinesis-ingestion.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Amazon Kinesis ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/lookups-cached-global.html b/docs/latest/development/extensions-core/lookups-cached-global.html
index 5e37049..07e48d6 100644
--- a/docs/latest/development/extensions-core/lookups-cached-global.html
+++ b/docs/latest/development/extensions-core/lookups-cached-global.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Globally Cached Lookups</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/lookups-cached-global.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Globally Cached Lookups</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/mysql.html b/docs/latest/development/extensions-core/mysql.html
index dbcc472..1b21281 100644
--- a/docs/latest/development/extensions-core/mysql.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">MySQL Metadata Store</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/mysql.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">MySQL Metadata Store</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/orc.html b/docs/latest/development/extensions-core/orc.html
index 16a180e..fa13a19 100644
--- a/docs/latest/development/extensions-core/orc.html
+++ b/docs/latest/development/extensions-core/orc.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">ORC Extension</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/orc.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">ORC Extension</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/parquet.html b/docs/latest/development/extensions-core/parquet.html
index 5373a79..27d508d 100644
--- a/docs/latest/development/extensions-core/parquet.html
+++ b/docs/latest/development/extensions-core/parquet.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Apache Parquet Extension</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/parquet.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Apache Parquet Extension</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/postgresql.html b/docs/latest/development/extensions-core/postgresql.html
index 551312d..d00c9d6 100644
--- a/docs/latest/development/extensions-core/postgresql.html
+++ b/docs/latest/development/extensions-core/postgresql.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">PostgreSQL Metadata Store</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/postgresql.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">PostgreSQL Metadata Store</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/protobuf.html b/docs/latest/development/extensions-core/protobuf.html
index ee2063c..a119599 100644
--- a/docs/latest/development/extensions-core/protobuf.html
+++ b/docs/latest/development/extensions-core/protobuf.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Protobuf</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/protobuf.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Protobuf</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/s3.html b/docs/latest/development/extensions-core/s3.html
index a950b00..b4b0551 100644
--- a/docs/latest/development/extensions-core/s3.html
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@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">S3-compatible</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/s3.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">S3-compatible</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/simple-client-sslcontext.html b/docs/latest/development/extensions-core/simple-client-sslcontext.html
index 0bfdda2..b83c0a8 100644
--- a/docs/latest/development/extensions-core/simple-client-sslcontext.html
+++ b/docs/latest/development/extensions-core/simple-client-sslcontext.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Simple SSLContext Provider Module</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/simple-client-sslcontext.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Simple SSLContext Provider Module</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/stats.html b/docs/latest/development/extensions-core/stats.html
index 4f7774e..e8794f1 100644
--- a/docs/latest/development/extensions-core/stats.html
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@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Stats aggregator</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/stats.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Stats aggregator</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions-core/test-stats.html b/docs/latest/development/extensions-core/test-stats.html
index 444b71d..a7fb1fc 100644
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@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Test Stats Aggregators</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions-core/test-stats.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Test Stats Aggregators</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/extensions.html b/docs/latest/development/extensions.html
index 132bcfc..a873290 100644
--- a/docs/latest/development/extensions.html
+++ b/docs/latest/development/extensions.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Extensions</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/extensions.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Extensions</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -92,20 +92,21 @@ metadata store. Many clusters will also use additional extensions.</p>
<tr><td>druid-avro-extensions</td><td>Support for data in Apache Avro data format.</td><td><a href="/docs/latest/development/extensions-core/avro.html">link</a></td></tr>
<tr><td>druid-basic-security</td><td>Support for Basic HTTP authentication and role-based access control.</td><td><a href="/docs/latest/development/extensions-core/druid-basic-security.html">link</a></td></tr>
<tr><td>druid-bloom-filter</td><td>Support for providing Bloom filters in druid queries.</td><td><a href="/docs/latest/development/extensions-core/bloom-filter.html">link</a></td></tr>
-<tr><td>druid-caffeine-cache</td><td>A local cache implementation backed by Caffeine.</td><td><a href="../configuration/index.html#cache-configuration">link</a></td></tr>
-<tr><td>druid-datasketches</td><td>Support for approximate counts and set operations with <a href="https://datasketches.github.io/">DataSketches</a>.</td><td><a href="../development/extensions-core/datasketches-extension.html">link</a></td></tr>
-<tr><td>druid-hdfs-storage</td><td>HDFS deep storage.</td><td><a href="../development/extensions-core/hdfs.html">link</a></td></tr>
-<tr><td>druid-histogram</td><td>Approximate histograms and quantiles aggregator. Deprecated, please use the <a href="../development/extensions-core/datasketches-quantiles.html">DataSketches quantiles aggregator</a> from the <code>druid-datasketches</code> extension instead.</td><td><a href="../development/extensions-core/approximate-histograms.html">link</a></td></tr>
-<tr><td>druid-kafka-extraction-namespace</td><td>Kafka-based namespaced lookup. Requires namespace lookup extension.</td><td><a href="../development/extensions-core/kafka-extraction-namespace.html">link</a></td></tr>
-<tr><td>druid-kafka-indexing-service</td><td>Supervised exactly-once Kafka ingestion for the indexing service.</td><td><a href="../development/extensions-core/kafka-ingestion.html">link</a></td></tr>
-<tr><td>druid-kinesis-indexing-service</td><td>Supervised exactly-once Kinesis ingestion for the indexing service.</td><td><a href="../development/extensions-core/kinesis-ingestion.html">link</a></td></tr>
-<tr><td>druid-kerberos</td><td>Kerberos authentication for druid processes.</td><td><a href="../development/extensions-core/druid-kerberos.html">link</a></td></tr>
-<tr><td>druid-lookups-cached-global</td><td>A module for <a href="../querying/lookups.html">lookups</a> providing a jvm-global eager caching for lookups. It provides JDBC and URI implementations for fetching lookup data.</td><td><a href="../development/extensions-core/lookups-cached-global.html">link</a></td></tr>
-<tr><td>druid-lookups-cached-single</td><td>Per lookup caching module to support the use cases where a lookup need to be isolated from the global pool of lookups</td><td><a href="../development/extensions-core/druid-lookups.html">link</a></td></tr>
-<tr><td>druid-orc-extensions</td><td>Support for data in Apache Orc data format.</td><td><a href="../development/extensions-core/orc.html">link</a></td></tr>
-<tr><td>druid-parquet-extensions</td><td>Support for data in Apache Parquet data format. Requires druid-avro-extensions to be loaded.</td><td><a href="../development/extensions-core/parquet.html">link</a></td></tr>
-<tr><td>druid-protobuf-extensions</td><td>Support for data in Protobuf data format.</td><td><a href="../development/extensions-core/protobuf.html">link</a></td></tr>
-<tr><td>druid-s3-extensions</td><td>Interfacing with data in AWS S3, and using S3 as deep storage.</td><td><a href="../development/extensions-core/s3.html">link</a></td></tr>
+<tr><td>druid-caffeine-cache</td><td>A local cache implementation backed by Caffeine.</td><td><a href="/docs/latest/configuration/index.html#cache-configuration">link</a></td></tr>
+<tr><td>druid-datasketches</td><td>Support for approximate counts and set operations with <a href="https://datasketches.github.io/">DataSketches</a>.</td><td><a href="/docs/latest/development/extensions-core/datasketches-extension.html">link</a></td></tr>
+<tr><td>druid-google-extensions</td><td>Google Cloud Storage deep storage.</td><td><a href="/docs/latest/development/extensions-core/google.html">link</a></td></tr>
+<tr><td>druid-hdfs-storage</td><td>HDFS deep storage.</td><td><a href="/docs/latest/development/extensions-core/hdfs.html">link</a></td></tr>
+<tr><td>druid-histogram</td><td>Approximate histograms and quantiles aggregator. Deprecated, please use the <a href="/docs/latest/development/extensions-core/datasketches-quantiles.html">DataSketches quantiles aggregator</a> from the <code>druid-datasketches</code> extension instead.</td><td><a href="/docs/latest/development/extensions-core/approximate-histograms.html">link</a></td></tr>
+<tr><td>druid-kafka-extraction-namespace</td><td>Kafka-based namespaced lookup. Requires namespace lookup extension.</td><td><a href="/docs/latest/development/extensions-core/kafka-extraction-namespace.html">link</a></td></tr>
+<tr><td>druid-kafka-indexing-service</td><td>Supervised exactly-once Kafka ingestion for the indexing service.</td><td><a href="/docs/latest/development/extensions-core/kafka-ingestion.html">link</a></td></tr>
+<tr><td>druid-kinesis-indexing-service</td><td>Supervised exactly-once Kinesis ingestion for the indexing service.</td><td><a href="/docs/latest/development/extensions-core/kinesis-ingestion.html">link</a></td></tr>
+<tr><td>druid-kerberos</td><td>Kerberos authentication for druid processes.</td><td><a href="/docs/latest/development/extensions-core/druid-kerberos.html">link</a></td></tr>
+<tr><td>druid-lookups-cached-global</td><td>A module for <a href="/docs/latest/querying/lookups.html">lookups</a> providing a jvm-global eager caching for lookups. It provides JDBC and URI implementations for fetching lookup data.</td><td><a href="/docs/latest/development/extensions-core/lookups-cached-global.html">link</a></td></tr>
+<tr><td>druid-lookups-cached-single</td><td>Per lookup caching module to support the use cases where a lookup need to be isolated from the global pool of lookups</td><td><a href="/docs/latest/development/extensions-core/druid-lookups.html">link</a></td></tr>
+<tr><td>druid-orc-extensions</td><td>Support for data in Apache Orc data format.</td><td><a href="/docs/latest/development/extensions-core/orc.html">link</a></td></tr>
+<tr><td>druid-parquet-extensions</td><td>Support for data in Apache Parquet data format. Requires druid-avro-extensions to be loaded.</td><td><a href="/docs/latest/development/extensions-core/parquet.html">link</a></td></tr>
+<tr><td>druid-protobuf-extensions</td><td>Support for data in Protobuf data format.</td><td><a href="/docs/latest/development/extensions-core/protobuf.html">link</a></td></tr>
+<tr><td>druid-s3-extensions</td><td>Interfacing with data in AWS S3, and using S3 as deep storage.</td><td><a href="/docs/latest/development/extensions-core/s3.html">link</a></td></tr>
<tr><td>druid-ec2-extensions</td><td>Interfacing with AWS EC2 for autoscaling middle managers</td><td>UNDOCUMENTED</td></tr>
<tr><td>druid-stats</td><td>Statistics related module including variance and standard deviation.</td><td><a href="/docs/latest/development/extensions-core/stats.html">link</a></td></tr>
<tr><td>mysql-metadata-storage</td><td>MySQL metadata store.</td><td><a href="/docs/latest/development/extensions-core/mysql.html">link</a></td></tr>
@@ -119,31 +120,30 @@ metadata store. Many clusters will also use additional extensions.</p>
</blockquote>
<p>A number of community members have contributed their own extensions to Druid that are not packaged with the default Druid tarball.
If you'd like to take on maintenance for a community extension, please post on <a href="https://lists.apache.org/list.html?dev@druid.apache.org">dev@druid.apache.org</a> to let us know!</p>
-<p>All of these community extensions can be downloaded using <a href="../operations/pull-deps.html">pull-deps</a> while specifying a <code>-c</code> coordinate option to pull <code>org.apache.druid.extensions.contrib:{EXTENSION_NAME}:{DRUID_VERSION}</code>.</p>
+<p>All of these community extensions can be downloaded using <a href="/docs/latest/operations/pull-deps.html">pull-deps</a> while specifying a <code>-c</code> coordinate option to pull <code>org.apache.druid.extensions.contrib:{EXTENSION_NAME}:{DRUID_VERSION}</code>.</p>
<table>
<thead>
<tr><th>Name</th><th>Description</th><th>Docs</th></tr>
</thead>
<tbody>
-<tr><td>ambari-metrics-emitter</td><td>Ambari Metrics Emitter</td><td><a href="../development/extensions-contrib/ambari-metrics-emitter.html">link</a></td></tr>
-<tr><td>druid-azure-extensions</td><td>Microsoft Azure deep storage.</td><td><a href="../development/extensions-contrib/azure.html">link</a></td></tr>
-<tr><td>druid-cassandra-storage</td><td>Apache Cassandra deep storage.</td><td><a href="../development/extensions-contrib/cassandra.html">link</a></td></tr>
-<tr><td>druid-cloudfiles-extensions</td><td>Rackspace Cloudfiles deep storage and firehose.</td><td><a href="../development/extensions-contrib/cloudfiles.html">link</a></td></tr>
-<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="../development/extensions-contrib/distinctcount.html">link</a></td></tr>
-<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="../development/extensions-contrib/redis-cache.html">link</a></td></tr>
-<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="../development/extensions-contrib/time-min-max.html">link</a></td></tr>
-<tr><td>druid-google-extensions</td><td>Google Cloud Storage deep storage.</td><td><a href="../development/extensions-contrib/google.html">link</a></td></tr>
-<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="../development/extensions-contrib/sqlserver.html">link</a></td></tr>
-<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="../development/extensions-contrib/graphite.html">link</a></td></tr>
-<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="../development/extensions-contrib/statsd.html">link</a></td></tr>
-<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="../development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
-<tr><td>druid-thrift-extensions</td><td>Support thrift ingestion</td><td><a href="../development/extensions-contrib/thrift.html">link</a></td></tr>
-<tr><td>druid-opentsdb-emitter</td><td>OpenTSDB metrics emitter</td><td><a href="../development/extensions-contrib/opentsdb-emitter.html">link</a></td></tr>
-<tr><td>materialized-view-selection, materialized-view-maintenance</td><td>Materialized View</td><td><a href="../development/extensions-contrib/materialized-view.html">link</a></td></tr>
-<tr><td>druid-moving-average-query</td><td>Support for <a href="https://en.wikipedia.org/wiki/Moving_average">Moving Average</a> and other Aggregate <a href="https://en.wikibooks.org/wiki/Structured_Query_Language/Window_functions">Window Functions</a> in Druid queries.</td><td><a href="../development/extensions-contrib/moving-average-query.html">link</a></td></tr>
-<tr><td>druid-influxdb-emitter</td><td>InfluxDB metrics emitter</td><td><a href="../development/extensions-contrib/influxdb-emitter.html">link</a></td></tr>
-<tr><td>druid-momentsketch</td><td>Support for approximate quantile queries using the <a href="https://github.com/stanford-futuredata/momentsketch">momentsketch</a> library</td><td><a href="../development/extensions-contrib/momentsketch-quantiles.html">link</a></td></tr>
-<tr><td>druid-tdigestsketch</td><td>Support for approximate sketch aggregators based on <a href="https://github.com/tdunning/t-digest">T-Digest</a></td><td><a href="../development/extensions-contrib/tdigestsketch-quantiles.html">link</a></td></tr>
+<tr><td>ambari-metrics-emitter</td><td>Ambari Metrics Emitter</td><td><a href="/docs/latest/development/extensions-contrib/ambari-metrics-emitter.html">link</a></td></tr>
+<tr><td>druid-azure-extensions</td><td>Microsoft Azure deep storage.</td><td><a href="/docs/latest/development/extensions-contrib/azure.html">link</a></td></tr>
+<tr><td>druid-cassandra-storage</td><td>Apache Cassandra deep storage.</td><td><a href="/docs/latest/development/extensions-contrib/cassandra.html">link</a></td></tr>
+<tr><td>druid-cloudfiles-extensions</td><td>Rackspace Cloudfiles deep storage and firehose.</td><td><a href="/docs/latest/development/extensions-contrib/cloudfiles.html">link</a></td></tr>
+<tr><td>druid-distinctcount</td><td>DistinctCount aggregator</td><td><a href="/docs/latest/development/extensions-contrib/distinctcount.html">link</a></td></tr>
+<tr><td>druid-redis-cache</td><td>A cache implementation for Druid based on Redis.</td><td><a href="/docs/latest/development/extensions-contrib/redis-cache.html">link</a></td></tr>
+<tr><td>druid-time-min-max</td><td>Min/Max aggregator for timestamp.</td><td><a href="/docs/latest/development/extensions-contrib/time-min-max.html">link</a></td></tr>
+<tr><td>sqlserver-metadata-storage</td><td>Microsoft SqlServer deep storage.</td><td><a href="/docs/latest/development/extensions-contrib/sqlserver.html">link</a></td></tr>
+<tr><td>graphite-emitter</td><td>Graphite metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/graphite.html">link</a></td></tr>
+<tr><td>statsd-emitter</td><td>StatsD metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/statsd.html">link</a></td></tr>
+<tr><td>kafka-emitter</td><td>Kafka metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/kafka-emitter.html">link</a></td></tr>
+<tr><td>druid-thrift-extensions</td><td>Support thrift ingestion</td><td><a href="/docs/latest/development/extensions-contrib/thrift.html">link</a></td></tr>
+<tr><td>druid-opentsdb-emitter</td><td>OpenTSDB metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/opentsdb-emitter.html">link</a></td></tr>
+<tr><td>materialized-view-selection, materialized-view-maintenance</td><td>Materialized View</td><td><a href="/docs/latest/development/extensions-contrib/materialized-view.html">link</a></td></tr>
+<tr><td>druid-moving-average-query</td><td>Support for <a href="https://en.wikipedia.org/wiki/Moving_average">Moving Average</a> and other Aggregate <a href="https://en.wikibooks.org/wiki/Structured_Query_Language/Window_functions">Window Functions</a> in Druid queries.</td><td><a href="/docs/latest/development/extensions-contrib/moving-average-query.html">link</a></td></tr>
+<tr><td>druid-influxdb-emitter</td><td>InfluxDB metrics emitter</td><td><a href="/docs/latest/development/extensions-contrib/influxdb-emitter.html">link</a></td></tr>
+<tr><td>druid-momentsketch</td><td>Support for approximate quantile queries using the <a href="https://github.com/stanford-futuredata/momentsketch">momentsketch</a> library</td><td><a href="/docs/latest/development/extensions-contrib/momentsketch-quantiles.html">link</a></td></tr>
+<tr><td>druid-tdigestsketch</td><td>Support for approximate sketch aggregators based on <a href="https://github.com/tdunning/t-digest">T-Digest</a></td><td><a href="/docs/latest/development/extensions-contrib/tdigestsketch-quantiles.html">link</a></td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" id="promoting-community-extensions-to-core-extensions"></a><a href="#promoting-community-extensions-to-core-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 [...]
@@ -152,8 +152,8 @@ If we see a community extension actively supported by the community, we can prom
<p>For information how to create your own extension, please see <a href="/docs/latest/development/modules.html">here</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="loading-extensions"></a><a href="#loading-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22- [...]
<h3><a class="anchor" aria-hidden="true" id="loading-core-extensions"></a><a href="#loading-core-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
-<p>Apache Druid (incubating) bundles all <a href="../development/extensions.html#core-extensions">core extensions</a> out of the box.
-See the <a href="../development/extensions.html#core-extensions">list of extensions</a> for your options. You
+<p>Apache Druid (incubating) bundles all <a href="/docs/latest/development/extensions.html#core-extensions">core extensions</a> out of the box.
+See the <a href="/docs/latest/development/extensions.html#core-extensions">list of extensions</a> for your options. You
can load bundled extensions by adding their names to your common.runtime.properties
<code>druid.extensions.loadList</code> property. For example, to load the <em>postgresql-metadata-storage</em> and
<em>druid-hdfs-storage</em> extensions, use the configuration:</p>
diff --git a/docs/latest/development/geo.html b/docs/latest/development/geo.html
index 921bc63..9cbaf1a 100644
--- a/docs/latest/development/geo.html
+++ b/docs/latest/development/geo.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Spatial filters</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/geo.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Spatial filters</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/integrating-druid-with-other-technologies.html b/docs/latest/development/integrating-druid-with-other-technologies.html
index 7d8f657..8c602c4 100644
--- a/docs/latest/development/integrating-druid-with-other-technologies.html
+++ b/docs/latest/development/integrating-druid-with-other-technologies.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Integrating Apache Druid with other technologies</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/integrating-druid-with-other-technologies.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Integrating Apache Druid with other technologies</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/javascript.html b/docs/latest/development/javascript.html
index 7977a99..66ff9e3 100644
--- a/docs/latest/development/javascript.html
+++ b/docs/latest/development/javascript.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">JavaScript programming guide</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/javascript.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">JavaScript programming guide</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/modules.html b/docs/latest/development/modules.html
index 4808159..9b0b468 100644
--- a/docs/latest/development/modules.html
+++ b/docs/latest/development/modules.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Creating extensions</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/modules.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Creating extensions</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/overview.html b/docs/latest/development/overview.html
index 54e28c1..782e533 100644
--- a/docs/latest/development/overview.html
+++ b/docs/latest/development/overview.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Developing on Apache Druid</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/overview.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Developing on Apache Druid</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/development/versioning.html b/docs/latest/development/versioning.html
index 3776e2c..62d0d75 100644
--- a/docs/latest/development/versioning.html
+++ b/docs/latest/development/versioning.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Versioning</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/development/versioning.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Versioning</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/data-formats.html b/docs/latest/ingestion/data-formats.html
index 9a507fb..3b813e3 100644
--- a/docs/latest/ingestion/data-formats.html
+++ b/docs/latest/ingestion/data-formats.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Data formats</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/data-formats.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Data formats</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/data-management.html b/docs/latest/ingestion/data-management.html
index 5637dd1..1a06265 100644
--- a/docs/latest/ingestion/data-management.html
+++ b/docs/latest/ingestion/data-management.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
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@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Data management</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/data-management.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Data management</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/faq.html b/docs/latest/ingestion/faq.html
index b37b775..bd1c4f8 100644
--- a/docs/latest/ingestion/faq.html
+++ b/docs/latest/ingestion/faq.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
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@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Ingestion troubleshooting FAQ</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/faq.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Ingestion troubleshooting FAQ</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/hadoop.html b/docs/latest/ingestion/hadoop.html
index b57fd26..acc24d0 100644
--- a/docs/latest/ingestion/hadoop.html
+++ b/docs/latest/ingestion/hadoop.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Hadoop-based ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/hadoop.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Hadoop-based ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/index.html b/docs/latest/ingestion/index.html
index 1234a1d..a9450bd 100644
--- a/docs/latest/ingestion/index.html
+++ b/docs/latest/ingestion/index.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/index.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/native-batch.html b/docs/latest/ingestion/native-batch.html
index fb904c4..0de5ba3 100644
--- a/docs/latest/ingestion/native-batch.html
+++ b/docs/latest/ingestion/native-batch.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Native batch ingestion</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/native-batch.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Native batch ingestion</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -82,7 +82,7 @@ multiple tasks in parallel, and <code>index</code> which will run a single index
<a href="/docs/latest/ingestion/index.html#batch">Hadoop-based vs. native batch comparison table</a> for comparisons between Hadoop-based, native batch
(simple), and native batch (parallel) ingestion.</p>
<p>To run either kind of native batch indexing task, write an ingestion spec as specified below. Then POST it to the
-<a href="../operations/api-reference.html#tasks"><code>/druid/indexer/v1/task</code></a> endpoint on the Overlord, or use the
+<a href="/docs/latest/operations/api-reference.html#tasks"><code>/druid/indexer/v1/task</code></a> endpoint on the Overlord, or use the
<code>bin/post-index-task</code> script included with Druid.</p>
<h2><a class="anchor" aria-hidden="true" id="tutorial"></a><a href="#tutorial" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<p>This page contains reference documentation for native batch ingestion.
@@ -111,10 +111,10 @@ Otherwise, this task runs sequentially. Here is the list of currently splittable
<li><a href="#local-firehose"><code>LocalFirehose</code></a></li>
<li><a href="#segment-firehose"><code>IngestSegmentFirehose</code></a></li>
<li><a href="#http-firehose"><code>HttpFirehose</code></a></li>
-<li><a href="../development/extensions-core/s3.html#firehose"><code>StaticS3Firehose</code></a></li>
-<li><a href="../development/extensions-contrib/azure.html#firehose"><code>StaticAzureBlobStoreFirehose</code></a></li>
-<li><a href="../development/extensions-contrib/google.html#firehose"><code>StaticGoogleBlobStoreFirehose</code></a></li>
-<li><a href="../development/extensions-contrib/cloudfiles.html#firehose"><code>StaticCloudFilesFirehose</code></a></li>
+<li><a href="/docs/latest/development/extensions-core/s3.html#firehose"><code>StaticS3Firehose</code></a></li>
+<li><a href="/docs/latest/development/extensions-contrib/azure.html#firehose"><code>StaticAzureBlobStoreFirehose</code></a></li>
+<li><a href="/docs/latest/development/extensions-core/google.html#firehose"><code>StaticGoogleBlobStoreFirehose</code></a></li>
+<li><a href="/docs/latest/development/extensions-contrib/cloudfiles.html#firehose"><code>StaticCloudFilesFirehose</code></a></li>
</ul>
<p>The splittable firehose is responsible for generating <em>splits</em>. The supervisor task generates <em>worker task specs</em> containing a split
and submits worker tasks using those specs. As a result, the number of worker tasks depends on
@@ -249,10 +249,10 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>maxTotalRows</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Total number of rows in segments waiting for being pushed. Used in determining when intermediate pushing should occur.</td><td>20000000</td><td>no</td></tr>
<tr><td>numShards</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Directly specify the number of shards to create. If this is specified and <code>intervals</code> is specified in the <code>granularitySpec</code>, the index task can skip the determine intervals/partitions pass through the data. <code>numShards</code> cannot be specified if <code>maxRowsPerSegment</code> is set.</td><td>null</td><td>no</td></tr>
<tr><td>partitionsSpec</td><td>Defines how to partition data in each timeChunk, see <a href="#partitionsspec">PartitionsSpec</a></td><td><code>dynamic</code> if <code>forceGuaranteedRollup</code> = false, <code>hashed</code> if <code>forceGuaranteedRollup</code> = true</td><td>no</td></tr>
-<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
-<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="index.html#indexspec">IndexSpec [...]
+<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="/docs/latest/ingestion/index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
+<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="/docs/latest/ingestion/index.ht [...]
<tr><td>maxPendingPersists</td><td>Maximum number of persists that can be pending but not started. If this limit would be exceeded by a new intermediate persist, ingestion will block until the currently-running persist finishes. Maximum heap memory usage for indexing scales with maxRowsInMemory * (2 + maxPendingPersists).</td><td>0 (meaning one persist can be running concurrently with ingestion, and none can be queued up)</td><td>no</td></tr>
-<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="../ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, <code>numShards</code> in <code>tuningConfig</code> and <code>intervals</code> in <code>granularitySpec</code> must be set. Note that the result segments would be hash-partitioned. This flag cannot be used with <code>appen [...]
+<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="/docs/latest/ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, <code>numShards</code> in <code>tuningConfig</code> and <code>intervals</code> in <code>granularitySpec</code> must be set. Note that the result segments would be hash-partitioned. This flag cannot be used with < [...]
<tr><td>reportParseExceptions</td><td>If true, exceptions encountered during parsing will be thrown and will halt ingestion; if false, unparseable rows and fields will be skipped.</td><td>false</td><td>no</td></tr>
<tr><td>pushTimeout</td><td>Milliseconds to wait for pushing segments. It must be >= 0, where 0 means to wait forever.</td><td>0</td><td>no</td></tr>
<tr><td>segmentWriteOutMediumFactory</td><td>Segment write-out medium to use when creating segments. See <a href="#segmentwriteoutmediumfactory">SegmentWriteOutMediumFactory</a>.</td><td>Not specified, the value from <code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code> is used</td><td>no</td></tr>
@@ -267,7 +267,7 @@ that range if there's some stray data with unexpected timestamps.</p>
</table>
<h3><a class="anchor" aria-hidden="true" id="partitionsspec"></a><a href="#partitionsspec" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>PartitionsSpec is to describe the secondary partitioning method.
-You should use different partitionsSpec depending on the <a href="../ingestion/index.html#rollup">rollup mode</a> you want.
+You should use different partitionsSpec depending on the <a href="/docs/latest/ingestion/index.html#rollup">rollup mode</a> you want.
For perfect rollup, you should use <code>hashed</code>.</p>
<table>
<thead>
@@ -644,10 +644,10 @@ that range if there's some stray data with unexpected timestamps.</p>
<tr><td>numShards</td><td>Deprecated. Use <code>partitionsSpec</code> instead. Directly specify the number of shards to create. If this is specified and <code>intervals</code> is specified in the <code>granularitySpec</code>, the index task can skip the determine intervals/partitions pass through the data. <code>numShards</code> cannot be specified if <code>maxRowsPerSegment</code> is set.</td><td>null</td><td>no</td></tr>
<tr><td>partitionDimensions</td><td>Deprecated. Use <code>partitionsSpec</code> instead. The dimensions to partition on. Leave blank to select all dimensions. Only used with <code>forceGuaranteedRollup</code> = true, will be ignored otherwise.</td><td>null</td><td>no</td></tr>
<tr><td>partitionsSpec</td><td>Defines how to partition data in each timeChunk, see <a href="#partitionsspec">PartitionsSpec</a></td><td><code>dynamic</code> if <code>forceGuaranteedRollup</code> = false, <code>hashed</code> if <code>forceGuaranteedRollup</code> = true</td><td>no</td></tr>
-<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
-<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="index.html#indexspec">IndexSpec [...]
+<tr><td>indexSpec</td><td>Defines segment storage format options to be used at indexing time, see <a href="/docs/latest/ingestion/index.html#indexspec">IndexSpec</a></td><td>null</td><td>no</td></tr>
+<tr><td>indexSpecForIntermediatePersists</td><td>Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. this can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. however, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see <a href="/docs/latest/ingestion/index.ht [...]
<tr><td>maxPendingPersists</td><td>Maximum number of persists that can be pending but not started. If this limit would be exceeded by a new intermediate persist, ingestion will block until the currently-running persist finishes. Maximum heap memory usage for indexing scales with maxRowsInMemory * (2 + maxPendingPersists).</td><td>0 (meaning one persist can be running concurrently with ingestion, and none can be queued up)</td><td>no</td></tr>
-<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="../ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, the index task will read the entire input data twice: one for finding the optimal number of partitions per time chunk and one for generating segments. Note that the result segments would be hash-partitioned. This flag cann [...]
+<tr><td>forceGuaranteedRollup</td><td>Forces guaranteeing the <a href="/docs/latest/ingestion/index.html#rollup">perfect rollup</a>. The perfect rollup optimizes the total size of generated segments and querying time while indexing time will be increased. If this is set to true, the index task will read the entire input data twice: one for finding the optimal number of partitions per time chunk and one for generating segments. Note that the result segments would be hash-partitioned. This [...]
<tr><td>reportParseExceptions</td><td>DEPRECATED. If true, exceptions encountered during parsing will be thrown and will halt ingestion; if false, unparseable rows and fields will be skipped. Setting <code>reportParseExceptions</code> to true will override existing configurations for <code>maxParseExceptions</code> and <code>maxSavedParseExceptions</code>, setting <code>maxParseExceptions</code> to 0 and limiting <code>maxSavedParseExceptions</code> to no more than 1.</td><td>false</td>< [...]
<tr><td>pushTimeout</td><td>Milliseconds to wait for pushing segments. It must be >= 0, where 0 means to wait forever.</td><td>0</td><td>no</td></tr>
<tr><td>segmentWriteOutMediumFactory</td><td>Segment write-out medium to use when creating segments. See <a href="#segmentwriteoutmediumfactory">SegmentWriteOutMediumFactory</a>.</td><td>Not specified, the value from <code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code> is used</td><td>no</td></tr>
@@ -658,7 +658,7 @@ that range if there's some stray data with unexpected timestamps.</p>
</table>
<h3><a class="anchor" aria-hidden="true" id="partitionsspec-1"></a><a href="#partitionsspec-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2. [...]
<p>PartitionsSpec is to describe the secondary partitioning method.
-You should use different partitionsSpec depending on the <a href="../ingestion/index.html#rollup">rollup mode</a> you want.
+You should use different partitionsSpec depending on the <a href="/docs/latest/ingestion/index.html#rollup">rollup mode</a> you want.
For perfect rollup, you should use <code>hashed</code>.</p>
<table>
<thead>
@@ -688,7 +688,7 @@ For perfect rollup, you should use <code>hashed</code>.</p>
<tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr>
</thead>
<tbody>
-<tr><td>type</td><td>String</td><td>See <a href="../configuration/index.html#segmentwriteoutmediumfactory">Additional Peon Configuration: SegmentWriteOutMediumFactory</a> for explanation and available options.</td><td>yes</td></tr>
+<tr><td>type</td><td>String</td><td>See <a href="/docs/latest/configuration/index.html#segmentwriteoutmediumfactory">Additional Peon Configuration: SegmentWriteOutMediumFactory</a> for explanation and available options.</td><td>yes</td></tr>
</tbody>
</table>
<h3><a class="anchor" aria-hidden="true" id="segment-pushing-modes"></a><a href="#segment-pushing-modes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
@@ -815,7 +815,7 @@ A sample ingest Firehose spec is shown below:</p>
<tr><td>interval</td><td>A String representing the ISO-8601 interval. This defines the time range to fetch the data over.</td><td>yes</td></tr>
<tr><td>dimensions</td><td>The list of dimensions to select. If left empty, no dimensions are returned. If left null or not defined, all dimensions are returned.</td><td>no</td></tr>
<tr><td>metrics</td><td>The list of metrics to select. If left empty, no metrics are returned. If left null or not defined, all metrics are selected.</td><td>no</td></tr>
-<tr><td>filter</td><td>See <a href="../querying/filters.html">Filters</a></td><td>no</td></tr>
+<tr><td>filter</td><td>See <a href="/docs/latest/querying/filters.html">Filters</a></td><td>no</td></tr>
<tr><td>maxInputSegmentBytesPerTask</td><td>When used with the native parallel index task, the maximum number of bytes of input segments to process in a single task. If a single segment is larger than this number, it will be processed by itself in a single task (input segments are never split across tasks). Defaults to 150MB.</td><td>no</td></tr>
</tbody>
</table>
@@ -827,8 +827,8 @@ If there are multiple queries from which data needs to be indexed, queries are p
This firehose will accept any type of parser, but will only utilize the list of dimensions and the timestamp specification. See the extension documentation for more detailed ingestion examples.</p>
<p>Requires one of the following extensions:</p>
<ul>
-<li><a href="../development/extensions-core/mysql.html">MySQL Metadata Store</a>.</li>
-<li><a href="../development/extensions-core/postgresql.html">PostgreSQL Metadata Store</a>.</li>
+<li><a href="/docs/latest/development/extensions-core/mysql.html">MySQL Metadata Store</a>.</li>
+<li><a href="/docs/latest/development/extensions-core/postgresql.html">PostgreSQL Metadata Store</a>.</li>
</ul>
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>: <span class="hljs-string">"sql"</span>,
diff --git a/docs/latest/ingestion/schema-design.html b/docs/latest/ingestion/schema-design.html
index 6afdef4..da8e1d4 100644
--- a/docs/latest/ingestion/schema-design.html
+++ b/docs/latest/ingestion/schema-design.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Schema design tips</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/schema-design.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Schema design tips</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/standalone-realtime.html b/docs/latest/ingestion/standalone-realtime.html
index 25507f1..c3f8dfd 100644
--- a/docs/latest/ingestion/standalone-realtime.html
+++ b/docs/latest/ingestion/standalone-realtime.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Realtime Process</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/standalone-realtime.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Realtime Process</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/tasks.html b/docs/latest/ingestion/tasks.html
index 51ab2f3..c025067 100644
--- a/docs/latest/ingestion/tasks.html
+++ b/docs/latest/ingestion/tasks.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Task reference</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/tasks.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Task reference</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/ingestion/tranquility.html b/docs/latest/ingestion/tranquility.html
index e870460..31778f1 100644
--- a/docs/latest/ingestion/tranquility.html
+++ b/docs/latest/ingestion/tranquility.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tranquility</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/ingestion/tranquility.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tranquility</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/misc/math-expr.html b/docs/latest/misc/math-expr.html
index 215bc53..08794ff 100644
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+++ b/docs/latest/misc/math-expr.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Expressions</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/misc/math-expr.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Expressions</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/misc/papers-and-talks.html b/docs/latest/misc/papers-and-talks.html
index a51db5a..f23bf87 100644
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+++ b/docs/latest/misc/papers-and-talks.html
@@ -3,7 +3,7 @@
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Papers</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/misc/papers-and-talks.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Papers</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/alerts.html b/docs/latest/operations/alerts.html
index c06618f..35ab0f8 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/alerts.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Alerts</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/api-reference.html b/docs/latest/operations/api-reference.html
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/basic-cluster-tuning.html b/docs/latest/operations/basic-cluster-tuning.html
index be2863f..e091abf 100644
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- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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}
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Basic cluster tuning</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/basic-cluster-tuning.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Basic cluster tuning</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/deep-storage-migration.html b/docs/latest/operations/deep-storage-migration.html
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gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Deep storage migration</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/deep-storage-migration.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Deep storage migration</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/druid-console.html b/docs/latest/operations/druid-console.html
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@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
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}
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Web console</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/druid-console.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Web console</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
@@ -88,38 +88,47 @@
</code></pre>
<p>Below is a description of the high-level features and functionality of the Druid Console</p>
<h2><a class="anchor" aria-hidden="true" id="home"></a><a href="#home" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6 [...]
-<p>The home view provides a high level overview of the cluster. Each card is clickable and links to the appropriate view. The legacy menu allows you to go to the <a href="./management-uis.html#legacy-consoles">legacy coordinator and overlord consoles</a> should you need them.</p>
+<p>The home view provides a high level overview of the cluster.
+Each card is clickable and links to the appropriate view.
+The legacy menu allows you to go to the <a href="./management-uis.html#legacy-consoles">legacy coordinator and overlord consoles</a> should you need them.</p>
<p><img src="../assets/web-console-01-home-view.png" alt="home-view"></p>
<h2><a class="anchor" aria-hidden="true" id="data-loader"></a><a href="#data-loader" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
<p>The data loader view allows you to load data by building an ingestion spec with a step-by-step wizard.</p>
<p><img src="../assets/web-console-02-data-loader-1.png" alt="data-loader-1"></p>
-<p>After picking the source of your data just follow the series for steps that will show you incremental previews of the data as it will be ingested.
+<p>After selecting the location of your data just follow the series for steps that will show you incremental previews of the data as it will be ingested.
After filling in the required details on every step you can navigate to the next step by clicking the <code>Next</code> button.
You can also freely navigate between the steps from the top navigation.</p>
<p>Navigating with the top navigation will leave the underlying spec unmodified while clicking the <code>Next</code> button will attempt to fill in the subsequent steps with appropriate defaults.</p>
<p><img src="../assets/web-console-03-data-loader-2.png" alt="data-loader-2"></p>
<h2><a class="anchor" aria-hidden="true" id="datasources"></a><a href="#datasources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
-<p>The datasources view shows all the currently enabled datasources. From this view you can see the sizes and availability of the different datasources. You can edit the retention rules and drop data (as well as issue kill tasks).
-Like any view that is powered by a DruidSQL query you can click “Go to SQL” to run the underlying SQL query directly.</p>
+<p>The datasources view shows all the currently enabled datasources.
+From this view you can see the sizes and availability of the different datasources.
+You can edit the retention rules, configure automatic compaction, and drop data.
+Like any view that is powered by a DruidSQL query you can click <code>View SQL query for table</code> from the <code>...</code> menu to run the underlying SQL query directly.</p>
<p><img src="../assets/web-console-04-datasources.png" alt="datasources"></p>
<p>You can view and edit retention rules to determine the general availability of a datasource.</p>
<p><img src="../assets/web-console-05-retention.png" alt="retention"></p>
<h2><a class="anchor" aria-hidden="true" id="segments"></a><a href="#segments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
-<p>The segment view shows every single segment in the cluster. Each segment can be expanded to provide more information. The Segment ID is also conveniently broken down into Datasource, Start, End, Version, and Partition columns for ease of filtering and sorting.</p>
+<p>The segment view shows all the segments in the cluster.
+Each segment can be has a detail view that provides more information.
+The Segment ID is also conveniently broken down into Datasource, Start, End, Version, and Partition columns for ease of filtering and sorting.</p>
<p><img src="../assets/web-console-06-segments.png" alt="segments"></p>
<h2><a class="anchor" aria-hidden="true" id="tasks-and-supervisors"></a><a href="#tasks-and-supervisors" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The task view is also the home of supervisors. From this view you can check the status of existing supervisors as well as suspend and resume them. You can also submit new supervisors by entering their JSON spec.</p>
+<p>From this view you can check the status of existing supervisors as well as suspend, resume, and reset them.
+The tasks table allows you see the currently running and recently completed tasks.
+To make managing a lot of tasks more accessible, you can group the tasks by their <code>Type</code>, <code>Datasource</code>, or <code>Status</code> to make navigation easier.</p>
<p><img src="../assets/web-console-07-supervisors.png" alt="supervisors"></p>
-<p>The tasks table allows you see the currently running and recently completed tasks. From this table you can monitor individual tasks and also submit new tasks by entering their JSON spec.
-To make managing a lot of tasks more accessible, you can group the tasks by their type, datasource, or status to make navigation easier.</p>
-<p><img src="../assets/web-console-08-tasks.png" alt="tasks"></p>
+<p>Click on the magnifying glass for any supervisor to see detailed reports of its progress.</p>
+<p><img src="../assets/web-console-08-supervisor-status.png" alt="supervisor-status"></p>
<p>Click on the magnifying glass for any task to see more detail about it.</p>
<p><img src="../assets/web-console-09-task-status.png" alt="tasks-status"></p>
<h2><a class="anchor" aria-hidden="true" id="servers"></a><a href="#servers" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>The data servers tab lets you see the current status of the historical nodes and MiddleManager (indexer) processes. Note that currently only historical nodes that are actively serving segments will be shown in this view.</p>
+<p>The servers tab lets you see the current status of the nodes making up your cluster.
+You can group the nodes by type or by tier to get meaningful summary statistics.</p>
<p><img src="../assets/web-console-10-servers.png" alt="servers"></p>
<h2><a class="anchor" aria-hidden="true" id="query"></a><a href="#query" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09 [...]
-<p>The query view lets you issue <a href="/docs/latest/querying/sql.html">DruidSQL</a> queries and display the results as a simple table.</p>
+<p>The query view lets you issue <a href="/docs/latest/querying/sql.html">DruidSQL</a> queries and display the results as a table.
+The view will attempt to infer your query and let you modify via contextual actions such as adding filters and changing the sort order when possible.</p>
<p><img src="../assets/web-console-11-query-sql.png" alt="query-sql"></p>
<p>The query view can also issue queries in Druid's <a href="/docs/latest/querying/querying.html">native query format</a>, which is JSON over HTTP.
To send a native Druid query, you must start your query with <code>{</code> and format it as JSON.</p>
diff --git a/docs/latest/operations/dump-segment.html b/docs/latest/operations/dump-segment.html
index c74ca04..072ab6a 100644
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">dump-segment tool</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/dump-segment.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">dump-segment tool</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/export-metadata.html b/docs/latest/operations/export-metadata.html
index 6f2b793..cd2133b 100644
--- a/docs/latest/operations/export-metadata.html
+++ b/docs/latest/operations/export-metadata.html
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gtag('js', new Date());
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Export Metadata Tool</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/export-metadata.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Export Metadata Tool</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/getting-started.html b/docs/latest/operations/getting-started.html
index 696a65a..0d2b442 100644
--- a/docs/latest/operations/getting-started.html
+++ b/docs/latest/operations/getting-started.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
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+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
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@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Getting started with Apache Druid</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/operations/getting-started.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Getting started with Apache Druid</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/operations/high-availability.html b/docs/latest/operations/high-availability.html
index 0b5e9c7..bf5db72 100644
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gtag('js', new Date());
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/querying/timeseriesquery.html b/docs/latest/querying/timeseriesquery.html
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ distributed with this work for additional information
diff --git a/docs/latest/querying/topnmetricspec.html b/docs/latest/querying/topnmetricspec.html
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- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Configuring Apache Druid to use Kerberized Apache Hadoop as deep storage</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-kerberos-hadoop.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Configuring Apache Druid to use Kerberized Apache Hadoop as deep storage</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/tutorials/tutorial-query.html b/docs/latest/tutorials/tutorial-query.html
index 849a68c..a21d65c 100644
--- a/docs/latest/tutorials/tutorial-query.html
+++ b/docs/latest/tutorials/tutorial-query.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tutorial: Querying data</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-query.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tutorial: Querying data</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/tutorials/tutorial-retention.html b/docs/latest/tutorials/tutorial-retention.html
index d405fd9..d89c736 100644
--- a/docs/latest/tutorials/tutorial-retention.html
+++ b/docs/latest/tutorials/tutorial-retention.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tutorial: Configuring data retention</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-retention.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tutorial: Configuring data retention</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/tutorials/tutorial-rollup.html b/docs/latest/tutorials/tutorial-rollup.html
index e8f82a9..06d71b7 100644
--- a/docs/latest/tutorials/tutorial-rollup.html
+++ b/docs/latest/tutorials/tutorial-rollup.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tutorial: Roll-up</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-rollup.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tutorial: Roll-up</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/tutorials/tutorial-transform-spec.html b/docs/latest/tutorials/tutorial-transform-spec.html
index bffc5ab..03a5c10 100644
--- a/docs/latest/tutorials/tutorial-transform-spec.html
+++ b/docs/latest/tutorials/tutorial-transform-spec.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tutorial: Transforming input data</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-transform-spec.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tutorial: Transforming input data</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/docs/latest/tutorials/tutorial-update-data.html b/docs/latest/tutorials/tutorial-update-data.html
index a57b60f..c8b3516 100644
--- a/docs/latest/tutorials/tutorial-update-data.html
+++ b/docs/latest/tutorials/tutorial-update-data.html
@@ -3,7 +3,7 @@
function gtag(){dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'UA-131010415-1');
- </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/druid_nav.png" alt="Apache Druid"/></a><div class="navigationWrapper navigationSlider"><n [...]
+ </script><link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css"/><link rel="stylesheet" href="/css/code-block-buttons.css"/><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js"></script><script type="text/javascript" src="/js/code-block-buttons.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head>< [...]
var coll = document.getElementsByClassName('collapsible');
var checkActiveCategory = true;
for (var i = 0; i < coll.length; i++) {
@@ -59,7 +59,7 @@
};
}
});
- </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle">Tutorial: Updating existing data</h1></header><article><div><span><!--
+ </script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/incubator-druid/edit/master/docs/latest/tutorials/tutorial-update-data.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Tutorial: Updating existing data</h1></header><article><div><span><!--
~ Licensed to the Apache Software Foundation (ASF) under one
~ or more contributor license agreements. See the NOTICE file
~ distributed with this work for additional information
diff --git a/js/code-block-buttons.js b/js/code-block-buttons.js
new file mode 100644
index 0000000..a6e3109
--- /dev/null
+++ b/js/code-block-buttons.js
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ /* Add copy-to-clipboard buttons to code blocks */
+ window.addEventListener('load', function() {
+
+ const COPY_BUTTON_TEXT_LABEL = 'Copy'
+ const COPY_BUTTON_SUCCESS_TEXT_LABEL = 'Copied'
+
+ function addCopyButtons(codeBlockSelector, copyButton) {
+ document.querySelectorAll(codeBlockSelector).forEach(function(codeBlock) {
+ codeBlock.parentNode.appendChild(copyButton.cloneNode(true));
+ });
+ }
+
+ function createCopyButton() {
+ const copyButton = document.createElement('button');
+ copyButton.classList.add('copyCodeButton');
+ copyButton.setAttribute('aria-label', 'Copy code to clipboard');
+ copyButton.setAttribute('type', 'button');
+
+ /* SVG is 'clipboard' icon from blueprintjs */
+ copyButton.innerHTML =
+ '<div class="copyCodeButtonText">' +
+ '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="12" height="12" viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve"> <g id="clipboard_3_"> <g> <path fill-rule="evenodd" clip-rule="evenodd" d="M11,2c0-0.55-0.45-1-1-1h0.22C9.88,0.4,9.24,0,8.5,0S7.12,0.4,6.78,1H7 C6.45,1,6,1.45,6,2v1h5V2z M13,2h-1v2H5V2H4C3.45,2,3,2.45,3,3v12c0,0.55,0.45,1,1,1h9c0.55,0,1-0.45,1-1V3C14,2.45,13 [...]
+ '<span class="copyCodeButtonTextLabel">' + COPY_BUTTON_TEXT_LABEL + '<span>' +
+ '</div>';
+ return copyButton;
+ }
+
+ addCopyButtons('.hljs', createCopyButton());
+
+ const clipboard = new ClipboardJS('.copyCodeButton', {
+ target: function(trigger) {
+ return trigger.parentNode.querySelector('code');
+ },
+ });
+
+ function showCopySuccess(copyButtonTextElement) {
+ copyButtonTextElement.textContent = COPY_BUTTON_SUCCESS_TEXT_LABEL;
+ setTimeout(function() {
+ copyButtonTextElement.textContent = COPY_BUTTON_TEXT_LABEL;
+ }, 2000);
+ }
+
+ clipboard.on('success', function(event) {
+ event.clearSelection();
+ const copyButtonTextElement = event.trigger.querySelector('.copyCodeButtonTextLabel');
+ showCopySuccess(copyButtonTextElement)
+ });
+});
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[incubator-druid-website] 03/05: update to latest 0.16.0-incubating
docs
Posted by cw...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
cwylie pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/incubator-druid-website.git
commit ed30ab56d54ed847b175f3eaac1821f2e3512b15
Author: Clint Wylie <cw...@apache.org>
AuthorDate: Thu Sep 12 05:09:35 2019 -0700
update to latest 0.16.0-incubating docs
---
docs/0.16.0-incubating/configuration/index.html | 126 +++++++++++++-
docs/0.16.0-incubating/design/indexer.html | 99 ++---------
docs/0.16.0-incubating/design/router.html | 183 +++++++++------------
.../operations/api-reference.html | 20 ++-
docs/latest/configuration/index.html | 126 +++++++++++++-
docs/latest/design/indexer.html | 99 ++---------
docs/latest/design/router.html | 183 +++++++++------------
docs/latest/operations/api-reference.html | 20 ++-
8 files changed, 460 insertions(+), 396 deletions(-)
diff --git a/docs/0.16.0-incubating/configuration/index.html b/docs/0.16.0-incubating/configuration/index.html
index 62afd03..6b4a51e 100644
--- a/docs/0.16.0-incubating/configuration/index.html
+++ b/docs/0.16.0-incubating/configuration/index.html
@@ -975,7 +975,7 @@ If you see this problem, it's recommended to set <code>skipOffsetFromLatest</cod
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.indexer.runner.type</code></td><td>Choices "local" or "remote". Indicates whether tasks should be run locally or in a distributed environment. Experimental task runner "httpRemote" is also available which is same as "remote" but uses HTTP to interact with Middle Manaters instead of Zookeeper.</td><td>local</td></tr>
+<tr><td><code>druid.indexer.runner.type</code></td><td>Choices "local" or "remote". Indicates whether tasks should be run locally or in a distributed environment. Experimental task runner "httpRemote" is also available which is same as "remote" but uses HTTP to interact with Middle Managers instead of Zookeeper.</td><td>local</td></tr>
<tr><td><code>druid.indexer.storage.type</code></td><td>Choices are "local" or "metadata". Indicates whether incoming tasks should be stored locally (in heap) or in metadata storage. Storing incoming tasks in metadata storage allows for tasks to be resumed if the Overlord should fail.</td><td>local</td></tr>
<tr><td><code>druid.indexer.storage.recentlyFinishedThreshold</code></td><td>A duration of time to store task results.</td><td>PT24H</td></tr>
<tr><td><code>druid.indexer.tasklock.forceTimeChunkLock</code></td><td><em><strong>Setting this to false is still experimental</strong></em><br/> If set, all tasks are enforced to use time chunk lock. If not set, each task automatically chooses a lock type to use. This configuration can be overwritten by setting <code>forceTimeChunkLock</code> in the <a href="/docs/0.16.0-incubating/ingestion/tasks.html#context">task context</a>. See <a href="/docs/0.16.0-incubating/ingestion/tasks.html# [...]
@@ -1186,6 +1186,7 @@ field. If not provided, the default is to not use affinity at all.</p>
</table>
<h2><a class="anchor" aria-hidden="true" id="data-server"></a><a href="#data-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
<p>This section contains the configuration options for the processes that reside on Data servers (MiddleManagers/Peons and Historicals) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<p>Configuration options for the experimental <a href="/docs/0.16.0-incubating/design/indexer.html">Indexer process</a> are also provided here.</p>
<h3><a class="anchor" aria-hidden="true" id="middlemanager-and-peons"></a><a href="#middlemanager-and-peons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
<p>These MiddleManager and Peon configurations can be defined in the <code>middleManager/runtime.properties</code> file.</p>
<h4><a class="anchor" aria-hidden="true" id="middlemanager-process-config"></a><a href="#middlemanager-process-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
@@ -1315,6 +1316,96 @@ then the value from the configuration below is used:</p>
<tr><td><code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code></td><td><code>tmpFile</code> or <code>offHeapMemory</code>, see explanation above</td><td><code>tmpFile</code></td></tr>
</tbody>
</table>
+<h3><a class="anchor" aria-hidden="true" id="indexer"></a><a href="#indexer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h4><a class="anchor" aria-hidden="true" id="indexer-process-configuration"></a><a href="#indexer-process-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8091</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8283</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/indexer</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-general-configuration"></a><a href="#indexer-general-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.worker.version</code></td><td>Version identifier for the Indexer.</td><td>0</td></tr>
+<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the Indexer can accept.</td><td>Number of available processors - 1</td></tr>
+<tr><td><code>druid.worker.globalIngestionHeapLimitBytes</code></td><td>Total amount of heap available for ingestion processing. This is applied by automatically setting the <code>maxBytesInMemory</code> property on tasks.</td><td>60% of configured JVM heap</td></tr>
+<tr><td><code>druid.worker.numConcurrentMerges</code></td><td>Maximum number of segment persist or merge operations that can run concurrently across all tasks.</td><td><code>druid.worker.capacity</code> / 2, rounded down</td></tr>
+<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
+<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
+<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
+<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on Indexer restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, the Indexer will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-concurrent-requests"></a><a href="#indexer-concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>Druid uses Jetty to serve HTTP requests.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests. Please see the <a href="../design/indexer.html#server-http-threads">Indexer Server HTTP threads</a> documentation for more details on how the Indexer uses this configuration.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
+<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
+<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
+<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
+<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
+<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="../querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
+<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-processing-resources"></a><a href="#indexer-processing-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in the Indexer processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Indexer processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
+line.</p>
+<h4><a class="anchor" aria-hidden="true" id="query-configurations"></a><a href="#query-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>See <a href="#general-query-configuration">general query configuration</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="indexer-caching"></a><a href="#indexer-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>You can optionally configure caching to be enabled on the Indexer by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
+<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<p>Note that only local caches such as the <code>local</code>-type cache and <code>caffeine</code> cache are supported. If a remote cache such as <code>memcached</code> is used, it will be ignored.</p>
<h3><a class="anchor" aria-hidden="true" id="historical"></a><a href="#historical" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>For general Historical Process information, see <a href="/docs/0.16.0-incubating/design/historical.html">here</a>.</p>
<p>These Historical configurations can be defined in the <code>historical/runtime.properties</code> file.</p>
@@ -1416,6 +1507,7 @@ line.</p>
<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
<h2><a class="anchor" aria-hidden="true" id="query-server"></a><a href="#query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>This section contains the configuration options for the processes that reside on Query servers (Brokers) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<p>Configuration options for the experimental <a href="/docs/0.16.0-incubating/design/router.html">Router process</a> are also provided here.</p>
<h3><a class="anchor" aria-hidden="true" id="broker"></a><a href="#broker" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
<p>For general Broker process information, see <a href="/docs/0.16.0-incubating/design/broker.html">here</a>.</p>
<p>These Broker configurations can be defined in the <code>broker/runtime.properties</code> file.</p>
@@ -1798,4 +1890,34 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>useOffheap</code></td><td>Set to true to store aggregations off-heap when merging results.</td><td>false</td></tr>
</tbody>
</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/geo.html"><span class="arrow-prev">← </span><span>Spatial filters</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions.html"><span>Extensions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#recommended-configuration-file-organization">Recommended Confi [...]
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+<h3><a class="anchor" aria-hidden="true" id="router"></a><a href="#router" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<h4><a class="anchor" aria-hidden="true" id="router-process-configs"></a><a href="#router-process-configs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8888</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/0.16.0-incubating/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>9088</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/router</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.router.defaultBrokerServiceName</code></td><td>Any string.</td><td>The default Broker to connect to in case service discovery fails.</td><td>druid/broker</td></tr>
+<tr><td><code>druid.router.tierToBrokerMap</code></td><td>An ordered JSON map of tiers to Broker names. The priority of Brokers is based on the ordering.</td><td>Queries for a certain tier of data are routed to their appropriate Broker.</td><td>{"_default_tier": "<defaultBrokerServiceName>"}</td></tr>
+<tr><td><code>druid.router.defaultRule</code></td><td>Any string.</td><td>The default rule for all datasources.</td><td>"_default"</td></tr>
+<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
+<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>Please see <a href="../design/router.html#router-strategies">Router Strategies</a> for details.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
+<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name. Please see <a href="../design/router.html#avatica-query-balancing">Avatica Query Balancing</a></td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
+<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>druid.router.managementProxy.enabled</code></td><td>Enables the Router's <a href="../design/router.html#router-as-management-proxy">management proxy</a> functionality.</td><td>false</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/development/geo.html"><span class="arrow-prev">← </span><span>Spatial filters</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/development/extensions.html"><span>Extensions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#recommended-configuration-file-organization">Recommended Confi [...]
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diff --git a/docs/0.16.0-incubating/design/indexer.html b/docs/0.16.0-incubating/design/indexer.html
index d3deb7e..092bd68 100644
--- a/docs/0.16.0-incubating/design/indexer.html
+++ b/docs/0.16.0-incubating/design/indexer.html
@@ -83,20 +83,24 @@ Its memory management system is still under development and will be significantl
</blockquote>
<p>The Apache Druid (incubating) Indexer process is an alternative to the MiddleManager + Peon task execution system. Instead of forking a separate JVM process per-task, the Indexer runs tasks as separate threads within a single JVM process.</p>
<p>The Indexer is designed to be easier to configure and deploy compared to the MiddleManager + Peon system and to better enable resource sharing across tasks.</p>
-<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Indexer Process Configuration, see <a href="../configuration/index.html#indexer">Indexer Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>The Indexer process shares the same HTTP endpoints as the <a href="../operations/api-reference.html#middlemanager">MiddleManager</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>indexer
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="task-resource-sharing"></a><a href="#task-resource-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<h3><a class="anchor" aria-hidden="true" id="task-resource-sharing"></a><a href="#task-resource-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>The following resources are shared across all tasks running inside an Indexer process.</p>
-<h3><a class="anchor" aria-hidden="true" id="query-resources"></a><a href="#query-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<h4><a class="anchor" aria-hidden="true" id="query-resources"></a><a href="#query-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>The query processing threads and buffers are shared across all tasks. The Indexer will serve queries from a single endpoint shared by all tasks.</p>
-<p>If <a href="#indexer-caching">query caching</a> is enabled, the query cache is also shared across all tasks.</p>
-<h3><a class="anchor" aria-hidden="true" id="server-http-threads"></a><a href="#server-http-threads" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>If <a href="../configuration/index.html#indexer-caching">query caching</a> is enabled, the query cache is also shared across all tasks.</p>
+<h4><a class="anchor" aria-hidden="true" id="server-http-threads"></a><a href="#server-http-threads" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>The Indexer maintains two equally sized pools of HTTP threads.</p>
<p>One pool is exclusively used for task control messages between the Overlord and the Indexer ("chat handler threads"). The other pool is used for handling all other HTTP requests.</p>
<p>The size of the pools are configured by the <code>druid.server.http.numThreads</code> configuration (e.g., if this is set to 10, there will be 10 chat handler threads and 10 non-chat handler threads).</p>
<p>In addition to these two pools, 2 separate threads are allocated for lookup handling. If lookups are not used, these threads will not be used.</p>
-<h3><a class="anchor" aria-hidden="true" id="memory-sharing"></a><a href="#memory-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h4><a class="anchor" aria-hidden="true" id="memory-sharing"></a><a href="#memory-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>The Indexer uses the <code>druid.worker.globalIngestionHeapLimitBytes</code> configuration to impose a global heap limit across all of the tasks it is running.</p>
<p>This global limit is evenly divided across the number of task slots configured by <code>druid.worker.capacity</code>.</p>
<p>To apply the per-task heap limit, the Indexer will override <code>maxBytesInMemory</code> in task tuning configs (i.e., ignoring the default value or any user configured value). <code>maxRowsInMemory</code> will also be overridden to an essentially unlimited value: the Indexer does not support row limits.</p>
@@ -104,88 +108,11 @@ Its memory management system is still under development and will be significantl
<p>The peak usage for rows held in heap memory relates to the interaction between the <code>maxBytesInMemory</code> and <code>maxPendingPersists</code> properties in the task tuning configs. When the amount of row data held in-heap by a task reaches the limit specified by <code>maxBytesInMemory</code>, a task will persist the in-heap row data. After the persist has been started, the task can again ingest up to <code>maxBytesInMemory</code> bytes worth of row data while the persist is run [...]
<p>This means that the peak in-heap usage for row data can be up to approximately <code>maxBytesInMemory</code> * (2 + <code>maxPendingPersists</code>). The default value of <code>maxPendingPersists</code> is 0, which allows for 1 persist to run concurrently with ingestion work.</p>
<p>The remaining portion of the heap is reserved for query processing and segment persist/merge operations, and miscellaneous heap usage.</p>
-<h4><a class="anchor" aria-hidden="true" id="concurrent-segment-persist-merge-limits"></a><a href="#concurrent-segment-persist-merge-limits" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
+<h4><a class="anchor" aria-hidden="true" id="concurrent-segment-persist-merge-limits"></a><a href="#concurrent-segment-persist-merge-limits" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
<p>To help reduce peak memory usage, the Indexer imposes a limit on the number of concurrent segment persist/merge operations across all running tasks.</p>
<p>By default, the number of concurrent persist/merge operations is limited to (<code>druid.worker.capacity</code> / 2), rounded down. This limit can be configured with the <code>druid.worker.numConcurrentMerges</code> property.</p>
-<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>In addition to the <a href="../configuration/index.html#common-configurations">common configurations</a>, the Indexer accepts the following configurations:</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.worker.version</code></td><td>Version identifier for the Indexer.</td><td>0</td></tr>
-<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the Indexer can accept.</td><td>Number of available processors - 1</td></tr>
-<tr><td><code>druid.worker.globalIngestionHeapLimitBytes</code></td><td>Total amount of heap available for ingestion processing. This is applied by automatically setting the <code>maxBytesInMemory</code> property on tasks.</td><td>60% of configured JVM heap</td></tr>
-<tr><td><code>druid.worker.numConcurrentMerges</code></td><td>Maximum number of segment persist or merge operations that can run concurrently across all tasks.</td><td><code>druid.worker.capacity</code> / 2, rounded down</td></tr>
-<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
-<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
-<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
-<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on Indexer restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
-<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
-<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, the Indexer will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
-</tbody>
-</table>
-<h3><a class="anchor" aria-hidden="true" id="concurrent-requests"></a><a href="#concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
-<p>Druid uses Jetty to serve HTTP requests.</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests. Please see the <a href="#server-http-threads">Server HTTP threads</a> section for more details on how the Indexer uses this configuration.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
-<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
-<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
-<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
-<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
-<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
-<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
-<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="../querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
-<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
-</tbody>
-</table>
-<h3><a class="anchor" aria-hidden="true" id="processing"></a><a href="#processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in the Indexer processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
-<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
-<tr><td><code>druid.processing.formatString</code></td><td>Indexer processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
-<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
-<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
-<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
-<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
-<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
-</tbody>
-</table>
-<p>The amount of direct memory needed by Druid is at least
-<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
-ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
-line.</p>
-<h3><a class="anchor" aria-hidden="true" id="query-configurations"></a><a href="#query-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
-<p>See <a href="../configuration/index.html#general-query-configuration">general query configuration</a>.</p>
-<h3><a class="anchor" aria-hidden="true" id="indexer-caching"></a><a href="#indexer-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
-<p>You can optionally configure caching to be enabled on the Indexer by setting caching configs here.</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
-<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
-<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
-<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
-</tbody>
-</table>
-<p>See <a href="../configuration/index.html#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
-<p>Note that only local caches such as the <code>local</code>-type cache and <code>caffeine</code> cache are supported. If a remote cache such as <code>memcached</code> is used, it will be ignored.</p>
-<h2><a class="anchor" aria-hidden="true" id="current-limitations"></a><a href="#current-limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<h3><a class="anchor" aria-hidden="true" id="current-limitations"></a><a href="#current-limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>Separate task logs are not currently supported when using the Indexer; all task log messages will instead be logged in the Indexer process log.</p>
<p>The Indexer currently imposes an identical memory limit on each task. In later releases, the per-task memory limit will be removed and only the global limit will apply. The limit on concurrent merges will also be removed.</p>
<p>In later releases, per-task memory usage will be dynamically managed. Please see <a href="https://github.com/apache/incubator-druid/issues/7900">https://github.com/apache/incubator-druid/issues/7900</a> for details on future enhancements to the Indexer.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/historical.html"><span class="arrow-prev">← </span><span>Historical Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/indexing-service.html"><span>Indexing Service</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#task-resour [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/historical.html"><span class="arrow-prev">← </span><span>Historical Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/indexing-service.html"><span>Indexing Service</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><d [...]
\ No newline at end of file
diff --git a/docs/0.16.0-incubating/design/router.html b/docs/0.16.0-incubating/design/router.html
index 93da771..57cec63 100644
--- a/docs/0.16.0-incubating/design/router.html
+++ b/docs/0.16.0-incubating/design/router.html
@@ -84,72 +84,53 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
<p>The Apache Druid (incubating) Router process can be used to route queries to different Broker processes. By default, the broker routes queries based on how <a href="/docs/0.16.0-incubating/operations/rule-configuration.html">Rules</a> are set up. For example, if 1 month of recent data is loaded into a <code>hot</code> cluster, queries that fall within the recent month can be routed to a dedicated set of brokers. Queries outside this range are routed to another set of brokers. This set [...]
<p>For query routing purposes, you should only ever need the Router process if you have a Druid cluster well into the terabyte range.</p>
<p>In addition to query routing, the Router also runs the <a href="../operations/management-uis.html#druid-console">Druid Console</a>, a management UI for datasources, segments, tasks, data processes (Historicals and MiddleManagers), and coordinator dynamic configuration. The user can also run SQL and native Druid queries within the console.</p>
-<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Router Process Configuration, see <a href="../configuration/index.html#router">Router Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Router, see <a href="../operations/api-reference.html#router">Router API</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>router
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
-<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
-<p>JVM settings:</p>
-<pre><code class="hljs">-<span class="ruby">server
-</span>-<span class="ruby">Xmx13g
-</span>-<span class="ruby">Xms13g
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>NewSize=<span class="hljs-number">256</span>m
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>MaxNewSize=<span class="hljs-number">256</span>m
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseConcMarkSweepGC
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCDetails
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCTimeStamps
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseLargePages
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+HeapDumpOnOutOfMemoryError
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>HeapDumpPath=<span class="hljs-regexp">/mnt/galaxy</span><span class="hljs-regexp">/deploy/current</span><span class="hljs-regexp">/
-</span></span>-<span class="ruby"><span class="hljs-regexp">Duser.timezone=UTC
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dfile.encoding=UTF-8
-</span></span>-<span class="ruby"><span class="hljs-regexp">Djava.io.tmpdir=/mnt</span><span class="hljs-regexp">/tmp
-</span></span>
--<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.port=17071
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.authenticate=false
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.ssl=false
-</span></span></code></pre>
-<p>Runtime.properties:</p>
-<pre><code class="hljs"><span class="hljs-attr">druid.host</span>=<span class="hljs-comment">#{IP_ADDR}:8080</span>
-<span class="hljs-attr">druid.plaintextPort</span>=<span class="hljs-number">8080</span>
-<span class="hljs-attr">druid.service</span>=druid/router
-
-<span class="hljs-attr">druid.router.defaultBrokerServiceName</span>=druid:broker-cold
-<span class="hljs-attr">druid.router.coordinatorServiceName</span>=druid:coordinator
-<span class="hljs-attr">druid.router.tierToBrokerMap</span>={<span class="hljs-string">"hot"</span>:<span class="hljs-string">"druid:broker-hot"</span>,<span class="hljs-string">"_default_tier"</span>:<span class="hljs-string">"druid:broker-cold"</span>}
-<span class="hljs-attr">druid.router.http.numConnections</span>=<span class="hljs-number">50</span>
-<span class="hljs-attr">druid.router.http.readTimeout</span>=PT5M
-
-<span class="hljs-comment"># Number of threads used by the Router proxy http client</span>
-<span class="hljs-attr">druid.router.http.numMaxThreads</span>=<span class="hljs-number">100</span>
-
-<span class="hljs-attr">druid.server.http.numThreads</span>=<span class="hljs-number">100</span>
+<h3><a class="anchor" aria-hidden="true" id="router-as-management-proxy"></a><a href="#router-as-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The Router can be configured to forward requests to the active Coordinator or Overlord process. This may be useful for
+setting up a highly available cluster in situations where the HTTP redirect mechanism of the inactive -> active
+Coordinator/Overlord does not function correctly (servers are behind a load balancer, the hostname used in the redirect
+is only resolvable internally, etc.).</p>
+<h4><a class="anchor" aria-hidden="true" id="enabling-the-management-proxy"></a><a href="#enabling-the-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>To enable this functionality, set the following in the Router's runtime.properties:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.managementProxy</span><span class="hljs-selector-class">.enabled</span>=true
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The Router module uses several of the default modules in <a href="/docs/0.16.0-incubating/configuration/index.html">Configuration</a> and has the following set of configurations as well:</p>
+<h4><a class="anchor" aria-hidden="true" id="management-proxy-routing"></a><a href="#management-proxy-routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>The management proxy supports implicit and explicit routes. Implicit routes are those where the destination can be
+determined from the original request path based on Druid API path conventions. For the Coordinator the convention is
+<code>/druid/coordinator/*</code> and for the Overlord the convention is <code>/druid/indexer/*</code>. These are convenient because they mean
+that using the management proxy does not require modifying the API request other than issuing the request to the Router
+instead of the Coordinator or Overlord. Most Druid API requests can be routed implicitly.</p>
+<p>Explicit routes are those where the request to the Router contains a path prefix indicating which process the request
+should be routed to. For the Coordinator this prefix is <code>/proxy/coordinator</code> and for the Overlord it is <code>/proxy/overlord</code>.
+This is required for API calls with an ambiguous destination. For example, the <code>/status</code> API is present on all Druid
+processes, so explicit routing needs to be used to indicate the proxy destination.</p>
+<p>This is summarized in the table below:</p>
<table>
<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+<tr><th>Request Route</th><th>Destination</th><th>Rewritten Route</th><th>Example</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.router.defaultBrokerServiceName</code></td><td>Any string.</td><td>The default Broker to connect to in case service discovery fails.</td><td>druid/broker</td></tr>
-<tr><td><code>druid.router.tierToBrokerMap</code></td><td>An ordered JSON map of tiers to Broker names. The priority of Brokers is based on the ordering.</td><td>Queries for a certain tier of data are routed to their appropriate Broker.</td><td>{"_default_tier": "<defaultBrokerServiceName>"}</td></tr>
-<tr><td><code>druid.router.defaultRule</code></td><td>Any string.</td><td>The default rule for all datasources.</td><td>"_default"</td></tr>
-<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
-<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>All custom strategies to use for routing.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
-<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name</td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
-<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>/druid/coordinator/*</code></td><td>Coordinator</td><td><code>/druid/coordinator/*</code></td><td><code>router:8888/druid/coordinator/v1/datasources</code> -> <code>coordinator:8081/druid/coordinator/v1/datasources</code></td></tr>
+<tr><td><code>/druid/indexer/*</code></td><td>Overlord</td><td><code>/druid/indexer/*</code></td><td><code>router:8888/druid/indexer/v1/task</code> -> <code>overlord:8090/druid/indexer/v1/task</code></td></tr>
+<tr><td><code>/proxy/coordinator/*</code></td><td>Coordinator</td><td><code>/*</code></td><td><code>router:8888/proxy/coordinator/status</code> -> <code>coordinator:8081/status</code></td></tr>
+<tr><td><code>/proxy/overlord/*</code></td><td>Overlord</td><td><code>/*</code></td><td><code>router:8888/proxy/overlord/druid/indexer/v1/isLeader</code> -> <code>overlord:8090/druid/indexer/v1/isLeader</code></td></tr>
</tbody>
</table>
-<h2><a class="anchor" aria-hidden="true" id="router-strategies"></a><a href="#router-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<h3><a class="anchor" aria-hidden="true" id="router-strategies"></a><a href="#router-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>The Router has a configurable list of strategies for how it selects which Brokers to route queries to. The order of the strategies matter because as soon as a strategy condition is matched, a Broker is selected.</p>
-<h3><a class="anchor" aria-hidden="true" id="timeboundary"></a><a href="#timeboundary" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h4><a class="anchor" aria-hidden="true" id="timeboundary"></a><a href="#timeboundary" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"timeBoundary"</span>
}
</code></pre>
<p>Including this strategy means all timeBoundary queries are always routed to the highest priority Broker.</p>
-<h3><a class="anchor" aria-hidden="true" id="priority"></a><a href="#priority" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<h4><a class="anchor" aria-hidden="true" id="priority"></a><a href="#priority" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"priority"</span>,
<span class="hljs-attr">"minPriority"</span>:<span class="hljs-number">0</span>,
@@ -157,7 +138,7 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
}
</code></pre>
<p>Queries with a priority set to less than minPriority are routed to the lowest priority Broker. Queries with priority set to greater than maxPriority are routed to the highest priority Broker. By default, minPriority is 0 and maxPriority is 1. Using these default values, if a query with priority 0 (the default query priority is 0) is sent, the query skips the priority selection logic.</p>
-<h3><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<h4><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>Allows defining arbitrary routing rules using a JavaScript function. The function is passed the configuration and the query to be executed, and returns the tier it should be routed to, or null for the default tier.</p>
<p><em>Example</em>: a function that sends queries containing more than three aggregators to the lowest priority Broker.</p>
<pre><code class="hljs css language-json">{
@@ -168,74 +149,58 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
<blockquote>
<p>JavaScript-based functionality is disabled by default. Please refer to the Druid <a href="/docs/0.16.0-incubating/development/javascript.html">JavaScript programming guide</a> for guidelines about using Druid's JavaScript functionality, including instructions on how to enable it.</p>
</blockquote>
-<h2><a class="anchor" aria-hidden="true" id="avatica-query-balancing"></a><a href="#avatica-query-balancing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<h3><a class="anchor" aria-hidden="true" id="avatica-query-balancing"></a><a href="#avatica-query-balancing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
<p>All Avatica JDBC requests with a given connection ID must be routed to the same Broker, since Druid Brokers do not share connection state with each other.</p>
<p>To accomplish this, Druid provides two built-in balancers that use rendezvous hashing and consistent hashing of a request's connection ID respectively to assign requests to Brokers.</p>
<p>Note that when multiple Routers are used, all Routers should have identical balancer configuration to ensure that they make the same routing decisions.</p>
-<h3><a class="anchor" aria-hidden="true" id="rendezvous-hash-balancer"></a><a href="#rendezvous-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<h4><a class="anchor" aria-hidden="true" id="rendezvous-hash-balancer"></a><a href="#rendezvous-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Rendezvous_hashing">Rendezvous Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=rendezvousHash
</code></pre>
<p>If no <code>druid.router.avatica.balancer</code> property is set, the Router will also default to using the Rendezvous Hash Balancer.</p>
-<h3><a class="anchor" aria-hidden="true" id="consistent-hash-balancer"></a><a href="#consistent-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<h4><a class="anchor" aria-hidden="true" id="consistent-hash-balancer"></a><a href="#consistent-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Consistent_hashing">Consistent Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=consistentHash
</code></pre>
<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous hash [...]
-<h2><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
-<p>The Router process exposes several HTTP endpoints for interactions.</p>
-<h3><a class="anchor" aria-hidden="true" id="get"></a><a href="#get" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
-<ul>
-<li><code>/status</code></li>
-</ul>
-<p>Returns the Druid version, loaded extensions, memory used, total memory and other useful information about the process.</p>
-<ul>
-<li><code>/druid/v2/datasources</code></li>
-</ul>
-<p>Returns a list of queryable datasources.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}</code></li>
-</ul>
-<p>Returns the dimensions and metrics of the datasource.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}/dimensions</code></li>
-</ul>
-<p>Returns the dimensions of the datasource.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}/metrics</code></li>
-</ul>
-<p>Returns the metrics of the datasource.</p>
-<h2><a class="anchor" aria-hidden="true" id="router-as-management-proxy"></a><a href="#router-as-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>The Router can be configured to forward requests to the active Coordinator or Overlord process. This may be useful for
-setting up a highly available cluster in situations where the HTTP redirect mechanism of the inactive -> active
-Coordinator/Overlord does not function correctly (servers are behind a load balancer, the hostname used in the redirect
-is only resolvable internally, etc.).</p>
-<h3><a class="anchor" aria-hidden="true" id="enabling-the-management-proxy"></a><a href="#enabling-the-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>To enable this functionality, set the following in the Router's runtime.properties:</p>
-<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.managementProxy</span><span class="hljs-selector-class">.enabled</span>=true
+<h3><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
+<p>JVM settings:</p>
+<pre><code class="hljs">-<span class="ruby">server
+</span>-<span class="ruby">Xmx13g
+</span>-<span class="ruby">Xms13g
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>NewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>MaxNewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseConcMarkSweepGC
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCDetails
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCTimeStamps
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseLargePages
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+HeapDumpOnOutOfMemoryError
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>HeapDumpPath=<span class="hljs-regexp">/mnt/galaxy</span><span class="hljs-regexp">/deploy/current</span><span class="hljs-regexp">/
+</span></span>-<span class="ruby"><span class="hljs-regexp">Duser.timezone=UTC
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dfile.encoding=UTF-8
+</span></span>-<span class="ruby"><span class="hljs-regexp">Djava.io.tmpdir=/mnt</span><span class="hljs-regexp">/tmp
+</span></span>
+-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.port=17071
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.authenticate=false
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.ssl=false
+</span></span></code></pre>
+<p>Runtime.properties:</p>
+<pre><code class="hljs"><span class="hljs-attr">druid.host</span>=<span class="hljs-comment">#{IP_ADDR}:8080</span>
+<span class="hljs-attr">druid.plaintextPort</span>=<span class="hljs-number">8080</span>
+<span class="hljs-attr">druid.service</span>=druid/router
+
+<span class="hljs-attr">druid.router.defaultBrokerServiceName</span>=druid:broker-cold
+<span class="hljs-attr">druid.router.coordinatorServiceName</span>=druid:coordinator
+<span class="hljs-attr">druid.router.tierToBrokerMap</span>={<span class="hljs-string">"hot"</span>:<span class="hljs-string">"druid:broker-hot"</span>,<span class="hljs-string">"_default_tier"</span>:<span class="hljs-string">"druid:broker-cold"</span>}
+<span class="hljs-attr">druid.router.http.numConnections</span>=<span class="hljs-number">50</span>
+<span class="hljs-attr">druid.router.http.readTimeout</span>=PT5M
+
+<span class="hljs-comment"># Number of threads used by the Router proxy http client</span>
+<span class="hljs-attr">druid.router.http.numMaxThreads</span>=<span class="hljs-number">100</span>
+
+<span class="hljs-attr">druid.server.http.numThreads</span>=<span class="hljs-number">100</span>
</code></pre>
-<h3><a class="anchor" aria-hidden="true" id="routing"></a><a href="#routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>The management proxy supports implicit and explicit routes. Implicit routes are those where the destination can be
-determined from the original request path based on Druid API path conventions. For the Coordinator the convention is
-<code>/druid/coordinator/*</code> and for the Overlord the convention is <code>/druid/indexer/*</code>. These are convenient because they mean
-that using the management proxy does not require modifying the API request other than issuing the request to the Router
-instead of the Coordinator or Overlord. Most Druid API requests can be routed implicitly.</p>
-<p>Explicit routes are those where the request to the Router contains a path prefix indicating which process the request
-should be routed to. For the Coordinator this prefix is <code>/proxy/coordinator</code> and for the Overlord it is <code>/proxy/overlord</code>.
-This is required for API calls with an ambiguous destination. For example, the <code>/status</code> API is present on all Druid
-processes, so explicit routing needs to be used to indicate the proxy destination.</p>
-<p>This is summarized in the table below:</p>
-<table>
-<thead>
-<tr><th>Request Route</th><th>Destination</th><th>Rewritten Route</th><th>Example</th></tr>
-</thead>
-<tbody>
-<tr><td><code>/druid/coordinator/*</code></td><td>Coordinator</td><td><code>/druid/coordinator/*</code></td><td><code>router:8888/druid/coordinator/v1/datasources</code> -> <code>coordinator:8081/druid/coordinator/v1/datasources</code></td></tr>
-<tr><td><code>/druid/indexer/*</code></td><td>Overlord</td><td><code>/druid/indexer/*</code></td><td><code>router:8888/druid/indexer/v1/task</code> -> <code>overlord:8090/druid/indexer/v1/task</code></td></tr>
-<tr><td><code>/proxy/coordinator/*</code></td><td>Coordinator</td><td><code>/*</code></td><td><code>router:8888/proxy/coordinator/status</code> -> <code>coordinator:8081/status</code></td></tr>
-<tr><td><code>/proxy/overlord/*</code></td><td>Overlord</td><td><code>/*</code></td><td><code>router:8888/proxy/overlord/druid/indexer/v1/isLeader</code> -> <code>overlord:8090/druid/indexer/v1/isLeader</code></td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/overlord.html"><span class="arrow-prev">← </span><span>Overlord Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/peons.html"><span>Peons</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#example-production-configuration">Exa [...]
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/design/overlord.html"><span class="arrow-prev">← </span><span>Overlord Process</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/design/peons.html"><span>Peons</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p> [...]
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diff --git a/docs/0.16.0-incubating/operations/api-reference.html b/docs/0.16.0-incubating/operations/api-reference.html
index 04844e7..ced1208 100644
--- a/docs/0.16.0-incubating/operations/api-reference.html
+++ b/docs/0.16.0-incubating/operations/api-reference.html
@@ -750,4 +750,22 @@ if you're using SQL.</p>
<li><code>/druid/v2/candidates/</code></li>
</ul>
<p>Returns segment information lists including server locations for the given query..</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/operations/basic-cluster-tuning.html"><span class="arrow-prev">← </span><span>Basic cluster tuning</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/operations/high-availability.html"><span>High availability</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#common">Common</a><ul class= [...]
\ No newline at end of file
+<h3><a class="anchor" aria-hidden="true" id="router"></a><a href="#router" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<h4><a class="anchor" aria-hidden="true" id="get-18"></a><a href="#get-18" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<ul>
+<li><code>/druid/v2/datasources</code></li>
+</ul>
+<p>Returns a list of queryable datasources.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}</code></li>
+</ul>
+<p>Returns the dimensions and metrics of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/dimensions</code></li>
+</ul>
+<p>Returns the dimensions of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/metrics</code></li>
+</ul>
+<p>Returns the metrics of the datasource.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/0.16.0-incubating/operations/basic-cluster-tuning.html"><span class="arrow-prev">← </span><span>Basic cluster tuning</span></a><a class="docs-next button" href="/docs/0.16.0-incubating/operations/high-availability.html"><span>High availability</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#common">Common</a><ul class= [...]
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diff --git a/docs/latest/configuration/index.html b/docs/latest/configuration/index.html
index a65ec27..fe5cb53 100644
--- a/docs/latest/configuration/index.html
+++ b/docs/latest/configuration/index.html
@@ -975,7 +975,7 @@ If you see this problem, it's recommended to set <code>skipOffsetFromLatest</cod
<tr><th>Property</th><th>Description</th><th>Default</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.indexer.runner.type</code></td><td>Choices "local" or "remote". Indicates whether tasks should be run locally or in a distributed environment. Experimental task runner "httpRemote" is also available which is same as "remote" but uses HTTP to interact with Middle Manaters instead of Zookeeper.</td><td>local</td></tr>
+<tr><td><code>druid.indexer.runner.type</code></td><td>Choices "local" or "remote". Indicates whether tasks should be run locally or in a distributed environment. Experimental task runner "httpRemote" is also available which is same as "remote" but uses HTTP to interact with Middle Managers instead of Zookeeper.</td><td>local</td></tr>
<tr><td><code>druid.indexer.storage.type</code></td><td>Choices are "local" or "metadata". Indicates whether incoming tasks should be stored locally (in heap) or in metadata storage. Storing incoming tasks in metadata storage allows for tasks to be resumed if the Overlord should fail.</td><td>local</td></tr>
<tr><td><code>druid.indexer.storage.recentlyFinishedThreshold</code></td><td>A duration of time to store task results.</td><td>PT24H</td></tr>
<tr><td><code>druid.indexer.tasklock.forceTimeChunkLock</code></td><td><em><strong>Setting this to false is still experimental</strong></em><br/> If set, all tasks are enforced to use time chunk lock. If not set, each task automatically chooses a lock type to use. This configuration can be overwritten by setting <code>forceTimeChunkLock</code> in the <a href="/docs/latest/ingestion/tasks.html#context">task context</a>. See <a href="/docs/latest/ingestion/tasks.html#context">Task Locking [...]
@@ -1186,6 +1186,7 @@ field. If not provided, the default is to not use affinity at all.</p>
</table>
<h2><a class="anchor" aria-hidden="true" id="data-server"></a><a href="#data-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42 [...]
<p>This section contains the configuration options for the processes that reside on Data servers (MiddleManagers/Peons and Historicals) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<p>Configuration options for the experimental <a href="/docs/latest/design/indexer.html">Indexer process</a> are also provided here.</p>
<h3><a class="anchor" aria-hidden="true" id="middlemanager-and-peons"></a><a href="#middlemanager-and-peons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
<p>These MiddleManager and Peon configurations can be defined in the <code>middleManager/runtime.properties</code> file.</p>
<h4><a class="anchor" aria-hidden="true" id="middlemanager-process-config"></a><a href="#middlemanager-process-config" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
@@ -1315,6 +1316,96 @@ then the value from the configuration below is used:</p>
<tr><td><code>druid.peon.defaultSegmentWriteOutMediumFactory.type</code></td><td><code>tmpFile</code> or <code>offHeapMemory</code>, see explanation above</td><td><code>tmpFile</code></td></tr>
</tbody>
</table>
+<h3><a class="anchor" aria-hidden="true" id="indexer"></a><a href="#indexer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h4><a class="anchor" aria-hidden="true" id="indexer-process-configuration"></a><a href="#indexer-process-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8091</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/latest/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>8283</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/indexer</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-general-configuration"></a><a href="#indexer-general-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.worker.version</code></td><td>Version identifier for the Indexer.</td><td>0</td></tr>
+<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the Indexer can accept.</td><td>Number of available processors - 1</td></tr>
+<tr><td><code>druid.worker.globalIngestionHeapLimitBytes</code></td><td>Total amount of heap available for ingestion processing. This is applied by automatically setting the <code>maxBytesInMemory</code> property on tasks.</td><td>60% of configured JVM heap</td></tr>
+<tr><td><code>druid.worker.numConcurrentMerges</code></td><td>Maximum number of segment persist or merge operations that can run concurrently across all tasks.</td><td><code>druid.worker.capacity</code> / 2, rounded down</td></tr>
+<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
+<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
+<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
+<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on Indexer restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
+<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
+<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, the Indexer will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
+<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-concurrent-requests"></a><a href="#indexer-concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 1 [...]
+<p>Druid uses Jetty to serve HTTP requests.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests. Please see the <a href="../design/indexer.html#server-http-threads">Indexer Server HTTP threads</a> documentation for more details on how the Indexer uses this configuration.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
+<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
+<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
+<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
+<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
+<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
+<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="../querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
+<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="indexer-processing-resources"></a><a href="#indexer-processing-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in the Indexer processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
+<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
+<tr><td><code>druid.processing.formatString</code></td><td>Indexer processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
+<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
+<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
+<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
+<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
+<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
+</tbody>
+</table>
+<p>The amount of direct memory needed by Druid is at least
+<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
+ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
+line.</p>
+<h4><a class="anchor" aria-hidden="true" id="query-configurations"></a><a href="#query-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
+<p>See <a href="#general-query-configuration">general query configuration</a>.</p>
+<h4><a class="anchor" aria-hidden="true" id="indexer-caching"></a><a href="#indexer-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<p>You can optionally configure caching to be enabled on the Indexer by setting caching configs here.</p>
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
+<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
+<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
+</tbody>
+</table>
+<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
+<p>Note that only local caches such as the <code>local</code>-type cache and <code>caffeine</code> cache are supported. If a remote cache such as <code>memcached</code> is used, it will be ignored.</p>
<h3><a class="anchor" aria-hidden="true" id="historical"></a><a href="#historical" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>For general Historical Process information, see <a href="/docs/latest/design/historical.html">here</a>.</p>
<p>These Historical configurations can be defined in the <code>historical/runtime.properties</code> file.</p>
@@ -1416,6 +1507,7 @@ line.</p>
<p>See <a href="#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
<h2><a class="anchor" aria-hidden="true" id="query-server"></a><a href="#query-server" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<p>This section contains the configuration options for the processes that reside on Query servers (Brokers) in the suggested <a href="../design/processes.html#server-types">three-server configuration</a>.</p>
+<p>Configuration options for the experimental <a href="/docs/latest/design/router.html">Router process</a> are also provided here.</p>
<h3><a class="anchor" aria-hidden="true" id="broker"></a><a href="#broker" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
<p>For general Broker process information, see <a href="/docs/latest/design/broker.html">here</a>.</p>
<p>These Broker configurations can be defined in the <code>broker/runtime.properties</code> file.</p>
@@ -1798,4 +1890,34 @@ If there is an L1 miss and L2 hit, it will also populate L1.</p>
<tr><td><code>useOffheap</code></td><td>Set to true to store aggregations off-heap when merging results.</td><td>false</td></tr>
</tbody>
</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/geo.html"><span class="arrow-prev">← </span><span>Spatial filters</span></a><a class="docs-next button" href="/docs/latest/development/extensions.html"><span>Extensions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#recommended-configuration-file-organization">Recommended Configuration File Organiza [...]
\ No newline at end of file
+<h3><a class="anchor" aria-hidden="true" id="router"></a><a href="#router" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<h4><a class="anchor" aria-hidden="true" id="router-process-configs"></a><a href="#router-process-configs" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.host</code></td><td>The host for the current process. This is used to advertise the current processes location as reachable from another process and should generally be specified such that <code>http://${druid.host}/</code> could actually talk to this process</td><td>InetAddress.getLocalHost().getCanonicalHostName()</td></tr>
+<tr><td><code>druid.bindOnHost</code></td><td>Indicating whether the process's internal jetty server bind on <code>druid.host</code>. Default is false, which means binding to all interfaces.</td><td>false</td></tr>
+<tr><td><code>druid.plaintextPort</code></td><td>This is the port to actually listen on; unless port mapping is used, this will be the same port as is on <code>druid.host</code></td><td>8888</td></tr>
+<tr><td><code>druid.tlsPort</code></td><td>TLS port for HTTPS connector, if <a href="/docs/latest/operations/tls-support.html">druid.enableTlsPort</a> is set then this config will be used. If <code>druid.host</code> contains port then that port will be ignored. This should be a non-negative Integer.</td><td>9088</td></tr>
+<tr><td><code>druid.service</code></td><td>The name of the service. This is used as a dimension when emitting metrics and alerts to differentiate between the various services</td><td>druid/router</td></tr>
+</tbody>
+</table>
+<h4><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<table>
+<thead>
+<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+</thead>
+<tbody>
+<tr><td><code>druid.router.defaultBrokerServiceName</code></td><td>Any string.</td><td>The default Broker to connect to in case service discovery fails.</td><td>druid/broker</td></tr>
+<tr><td><code>druid.router.tierToBrokerMap</code></td><td>An ordered JSON map of tiers to Broker names. The priority of Brokers is based on the ordering.</td><td>Queries for a certain tier of data are routed to their appropriate Broker.</td><td>{"_default_tier": "<defaultBrokerServiceName>"}</td></tr>
+<tr><td><code>druid.router.defaultRule</code></td><td>Any string.</td><td>The default rule for all datasources.</td><td>"_default"</td></tr>
+<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
+<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>Please see <a href="../design/router.html#router-strategies">Router Strategies</a> for details.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
+<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name. Please see <a href="../design/router.html#avatica-query-balancing">Avatica Query Balancing</a></td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
+<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>druid.router.managementProxy.enabled</code></td><td>Enables the Router's <a href="../design/router.html#router-as-management-proxy">management proxy</a> functionality.</td><td>false</td></tr>
+</tbody>
+</table>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/development/geo.html"><span class="arrow-prev">← </span><span>Spatial filters</span></a><a class="docs-next button" href="/docs/latest/development/extensions.html"><span>Extensions</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#recommended-configuration-file-organization">Recommended Configuration File Organiza [...]
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diff --git a/docs/latest/design/indexer.html b/docs/latest/design/indexer.html
index aeeda82..92db3cf 100644
--- a/docs/latest/design/indexer.html
+++ b/docs/latest/design/indexer.html
@@ -83,20 +83,24 @@ Its memory management system is still under development and will be significantl
</blockquote>
<p>The Apache Druid (incubating) Indexer process is an alternative to the MiddleManager + Peon task execution system. Instead of forking a separate JVM process per-task, the Indexer runs tasks as separate threads within a single JVM process.</p>
<p>The Indexer is designed to be easier to configure and deploy compared to the MiddleManager + Peon system and to better enable resource sharing across tasks.</p>
-<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Indexer Process Configuration, see <a href="../configuration/index.html#indexer">Indexer Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>The Indexer process shares the same HTTP endpoints as the <a href="../operations/api-reference.html#middlemanager">MiddleManager</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>indexer
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="task-resource-sharing"></a><a href="#task-resource-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
+<h3><a class="anchor" aria-hidden="true" id="task-resource-sharing"></a><a href="#task-resource-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
<p>The following resources are shared across all tasks running inside an Indexer process.</p>
-<h3><a class="anchor" aria-hidden="true" id="query-resources"></a><a href="#query-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
+<h4><a class="anchor" aria-hidden="true" id="query-resources"></a><a href="#query-resources" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
<p>The query processing threads and buffers are shared across all tasks. The Indexer will serve queries from a single endpoint shared by all tasks.</p>
-<p>If <a href="#indexer-caching">query caching</a> is enabled, the query cache is also shared across all tasks.</p>
-<h3><a class="anchor" aria-hidden="true" id="server-http-threads"></a><a href="#server-http-threads" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<p>If <a href="../configuration/index.html#indexer-caching">query caching</a> is enabled, the query cache is also shared across all tasks.</p>
+<h4><a class="anchor" aria-hidden="true" id="server-http-threads"></a><a href="#server-http-threads" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>The Indexer maintains two equally sized pools of HTTP threads.</p>
<p>One pool is exclusively used for task control messages between the Overlord and the Indexer ("chat handler threads"). The other pool is used for handling all other HTTP requests.</p>
<p>The size of the pools are configured by the <code>druid.server.http.numThreads</code> configuration (e.g., if this is set to 10, there will be 10 chat handler threads and 10 non-chat handler threads).</p>
<p>In addition to these two pools, 2 separate threads are allocated for lookup handling. If lookups are not used, these threads will not be used.</p>
-<h3><a class="anchor" aria-hidden="true" id="memory-sharing"></a><a href="#memory-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<h4><a class="anchor" aria-hidden="true" id="memory-sharing"></a><a href="#memory-sharing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
<p>The Indexer uses the <code>druid.worker.globalIngestionHeapLimitBytes</code> configuration to impose a global heap limit across all of the tasks it is running.</p>
<p>This global limit is evenly divided across the number of task slots configured by <code>druid.worker.capacity</code>.</p>
<p>To apply the per-task heap limit, the Indexer will override <code>maxBytesInMemory</code> in task tuning configs (i.e., ignoring the default value or any user configured value). <code>maxRowsInMemory</code> will also be overridden to an essentially unlimited value: the Indexer does not support row limits.</p>
@@ -104,88 +108,11 @@ Its memory management system is still under development and will be significantl
<p>The peak usage for rows held in heap memory relates to the interaction between the <code>maxBytesInMemory</code> and <code>maxPendingPersists</code> properties in the task tuning configs. When the amount of row data held in-heap by a task reaches the limit specified by <code>maxBytesInMemory</code>, a task will persist the in-heap row data. After the persist has been started, the task can again ingest up to <code>maxBytesInMemory</code> bytes worth of row data while the persist is run [...]
<p>This means that the peak in-heap usage for row data can be up to approximately <code>maxBytesInMemory</code> * (2 + <code>maxPendingPersists</code>). The default value of <code>maxPendingPersists</code> is 0, which allows for 1 persist to run concurrently with ingestion work.</p>
<p>The remaining portion of the heap is reserved for query processing and segment persist/merge operations, and miscellaneous heap usage.</p>
-<h4><a class="anchor" aria-hidden="true" id="concurrent-segment-persist-merge-limits"></a><a href="#concurrent-segment-persist-merge-limits" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
+<h4><a class="anchor" aria-hidden="true" id="concurrent-segment-persist-merge-limits"></a><a href="#concurrent-segment-persist-merge-limits" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 [...]
<p>To help reduce peak memory usage, the Indexer imposes a limit on the number of concurrent segment persist/merge operations across all running tasks.</p>
<p>By default, the number of concurrent persist/merge operations is limited to (<code>druid.worker.capacity</code> / 2), rounded down. This limit can be configured with the <code>druid.worker.numConcurrentMerges</code> property.</p>
-<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>In addition to the <a href="../configuration/index.html#common-configurations">common configurations</a>, the Indexer accepts the following configurations:</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.worker.version</code></td><td>Version identifier for the Indexer.</td><td>0</td></tr>
-<tr><td><code>druid.worker.capacity</code></td><td>Maximum number of tasks the Indexer can accept.</td><td>Number of available processors - 1</td></tr>
-<tr><td><code>druid.worker.globalIngestionHeapLimitBytes</code></td><td>Total amount of heap available for ingestion processing. This is applied by automatically setting the <code>maxBytesInMemory</code> property on tasks.</td><td>60% of configured JVM heap</td></tr>
-<tr><td><code>druid.worker.numConcurrentMerges</code></td><td>Maximum number of segment persist or merge operations that can run concurrently across all tasks.</td><td><code>druid.worker.capacity</code> / 2, rounded down</td></tr>
-<tr><td><code>druid.indexer.task.baseDir</code></td><td>Base temporary working directory.</td><td><code>System.getProperty("java.io.tmpdir")</code></td></tr>
-<tr><td><code>druid.indexer.task.baseTaskDir</code></td><td>Base temporary working directory for tasks.</td><td><code>${druid.indexer.task.baseDir}/persistent/tasks</code></td></tr>
-<tr><td><code>druid.indexer.task.defaultHadoopCoordinates</code></td><td>Hadoop version to use with HadoopIndexTasks that do not request a particular version.</td><td>org.apache.hadoop:hadoop-client:2.8.3</td></tr>
-<tr><td><code>druid.indexer.task.gracefulShutdownTimeout</code></td><td>Wait this long on Indexer restart for restorable tasks to gracefully exit.</td><td>PT5M</td></tr>
-<tr><td><code>druid.indexer.task.hadoopWorkingPath</code></td><td>Temporary working directory for Hadoop tasks.</td><td><code>/tmp/druid-indexing</code></td></tr>
-<tr><td><code>druid.indexer.task.restoreTasksOnRestart</code></td><td>If true, the Indexer will attempt to stop tasks gracefully on shutdown and restore them on restart.</td><td>false</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.minWait</code></td><td>The minimum retry time to communicate with Overlord.</td><td>PT5S</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.maxWait</code></td><td>The maximum retry time to communicate with Overlord.</td><td>PT1M</td></tr>
-<tr><td><code>druid.peon.taskActionClient.retry.maxRetryCount</code></td><td>The maximum number of retries to communicate with Overlord.</td><td>60</td></tr>
-</tbody>
-</table>
-<h3><a class="anchor" aria-hidden="true" id="concurrent-requests"></a><a href="#concurrent-requests" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
-<p>Druid uses Jetty to serve HTTP requests.</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.server.http.numThreads</code></td><td>Number of threads for HTTP requests. Please see the <a href="#server-http-threads">Server HTTP threads</a> section for more details on how the Indexer uses this configuration.</td><td>max(10, (Number of cores * 17) / 16 + 2) + 30</td></tr>
-<tr><td><code>druid.server.http.queueSize</code></td><td>Size of the worker queue used by Jetty server to temporarily store incoming client connections. If this value is set and a request is rejected by jetty because queue is full then client would observe request failure with TCP connection being closed immediately with a completely empty response from server.</td><td>Unbounded</td></tr>
-<tr><td><code>druid.server.http.maxIdleTime</code></td><td>The Jetty max idle time for a connection.</td><td>PT5M</td></tr>
-<tr><td><code>druid.server.http.enableRequestLimit</code></td><td>If enabled, no requests would be queued in jetty queue and "HTTP 429 Too Many Requests" error response would be sent.</td><td>false</td></tr>
-<tr><td><code>druid.server.http.defaultQueryTimeout</code></td><td>Query timeout in millis, beyond which unfinished queries will be cancelled</td><td>300000</td></tr>
-<tr><td><code>druid.server.http.gracefulShutdownTimeout</code></td><td>The maximum amount of time Jetty waits after receiving shutdown signal. After this timeout the threads will be forcefully shutdown. This allows any queries that are executing to complete.</td><td><code>PT0S</code> (do not wait)</td></tr>
-<tr><td><code>druid.server.http.unannouncePropagationDelay</code></td><td>How long to wait for zookeeper unannouncements to propagate before shutting down Jetty. This is a minimum and <code>druid.server.http.gracefulShutdownTimeout</code> does not start counting down until after this period elapses.</td><td><code>PT0S</code> (do not wait)</td></tr>
-<tr><td><code>druid.server.http.maxQueryTimeout</code></td><td>Maximum allowed value (in milliseconds) for <code>timeout</code> parameter. See <a href="../querying/query-context.html">query-context</a> to know more about <code>timeout</code>. Query is rejected if the query context <code>timeout</code> is greater than this value.</td><td>Long.MAX_VALUE</td></tr>
-<tr><td><code>druid.server.http.maxRequestHeaderSize</code></td><td>Maximum size of a request header in bytes. Larger headers consume more memory and can make a server more vulnerable to denial of service attacks.</td><td>8 * 1024</td></tr>
-</tbody>
-</table>
-<h3><a class="anchor" aria-hidden="true" id="processing"></a><a href="#processing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
-<table>
-<thead>
-<tr><th>Property</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.processing.buffer.sizeBytes</code></td><td>This specifies a buffer size for the storage of intermediate results. The computation engine in the Indexer processes will use a scratch buffer of this size to do all of their intermediate computations off-heap. Larger values allow for more aggregations in a single pass over the data while smaller values can require more passes depending on the query that is being executed.</td><td>auto (max 1GB)</td></tr>
-<tr><td><code>druid.processing.buffer.poolCacheMaxCount</code></td><td>processing buffer pool caches the buffers for later use, this is the maximum count cache will grow to. note that pool can create more buffers than it can cache if necessary.</td><td>Integer.MAX_VALUE</td></tr>
-<tr><td><code>druid.processing.formatString</code></td><td>Indexer processes use this format string to name their processing threads.</td><td>processing-%s</td></tr>
-<tr><td><code>druid.processing.numMergeBuffers</code></td><td>The number of direct memory buffers available for merging query results. The buffers are sized by <code>druid.processing.buffer.sizeBytes</code>. This property is effectively a concurrency limit for queries that require merging buffers. If you are using any queries that require merge buffers (currently, just groupBy v2) then you should have at least two of these.</td><td><code>max(2, druid.processing.numThreads / 4)</code></td></tr>
-<tr><td><code>druid.processing.numThreads</code></td><td>The number of processing threads to have available for parallel processing of segments. Our rule of thumb is <code>num_cores - 1</code>, which means that even under heavy load there will still be one core available to do background tasks like talking with ZooKeeper and pulling down segments. If only one core is available, this property defaults to the value <code>1</code>.</td><td>Number of cores - 1 (or 1)</td></tr>
-<tr><td><code>druid.processing.columnCache.sizeBytes</code></td><td>Maximum size in bytes for the dimension value lookup cache. Any value greater than <code>0</code> enables the cache. It is currently disabled by default. Enabling the lookup cache can significantly improve the performance of aggregators operating on dimension values, such as the JavaScript aggregator, or cardinality aggregator, but can slow things down if the cache hit rate is low (i.e. dimensions with few repeating valu [...]
-<tr><td><code>druid.processing.fifo</code></td><td>If the processing queue should treat tasks of equal priority in a FIFO manner</td><td><code>false</code></td></tr>
-<tr><td><code>druid.processing.tmpDir</code></td><td>Path where temporary files created while processing a query should be stored. If specified, this configuration takes priority over the default <code>java.io.tmpdir</code> path.</td><td>path represented by <code>java.io.tmpdir</code></td></tr>
-</tbody>
-</table>
-<p>The amount of direct memory needed by Druid is at least
-<code>druid.processing.buffer.sizeBytes * (druid.processing.numMergeBuffers + druid.processing.numThreads + 1)</code>. You can
-ensure at least this amount of direct memory is available by providing <code>-XX:MaxDirectMemorySize=<VALUE></code> at the command
-line.</p>
-<h3><a class="anchor" aria-hidden="true" id="query-configurations"></a><a href="#query-configurations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1 [...]
-<p>See <a href="../configuration/index.html#general-query-configuration">general query configuration</a>.</p>
-<h3><a class="anchor" aria-hidden="true" id="indexer-caching"></a><a href="#indexer-caching" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 [...]
-<p>You can optionally configure caching to be enabled on the Indexer by setting caching configs here.</p>
-<table>
-<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
-</thead>
-<tbody>
-<tr><td><code>druid.realtime.cache.useCache</code></td><td>true, false</td><td>Enable the cache on the realtime.</td><td>false</td></tr>
-<tr><td><code>druid.realtime.cache.populateCache</code></td><td>true, false</td><td>Populate the cache on the realtime.</td><td>false</td></tr>
-<tr><td><code>druid.realtime.cache.unCacheable</code></td><td>All druid query types</td><td>All query types to not cache.</td><td><code>["groupBy", "select"]</code></td></tr>
-<tr><td><code>druid.realtime.cache.maxEntrySize</code></td><td>Maximum cache entry size in bytes.</td><td>1_000_000</td></tr>
-</tbody>
-</table>
-<p>See <a href="../configuration/index.html#cache-configuration">cache configuration</a> for how to configure cache settings.</p>
-<p>Note that only local caches such as the <code>local</code>-type cache and <code>caffeine</code> cache are supported. If a remote cache such as <code>memcached</code> is used, it will be ignored.</p>
-<h2><a class="anchor" aria-hidden="true" id="current-limitations"></a><a href="#current-limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
+<h3><a class="anchor" aria-hidden="true" id="current-limitations"></a><a href="#current-limitations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.2 [...]
<p>Separate task logs are not currently supported when using the Indexer; all task log messages will instead be logged in the Indexer process log.</p>
<p>The Indexer currently imposes an identical memory limit on each task. In later releases, the per-task memory limit will be removed and only the global limit will apply. The limit on concurrent merges will also be removed.</p>
<p>In later releases, per-task memory usage will be dynamically managed. Please see <a href="https://github.com/apache/incubator-druid/issues/7900">https://github.com/apache/incubator-druid/issues/7900</a> for details on future enhancements to the Indexer.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/historical.html"><span class="arrow-prev">← </span><span>Historical Process</span></a><a class="docs-next button" href="/docs/latest/design/indexing-service.html"><span>Indexing Service</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#task-resource-sharing">Task Resou [...]
\ No newline at end of file
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/historical.html"><span class="arrow-prev">← </span><span>Historical Process</span></a><a class="docs-next button" href="/docs/latest/design/indexing-service.html"><span>Indexing Service</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center" [...]
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diff --git a/docs/latest/design/router.html b/docs/latest/design/router.html
index 2d339cb..bd7c8c6 100644
--- a/docs/latest/design/router.html
+++ b/docs/latest/design/router.html
@@ -84,72 +84,53 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
<p>The Apache Druid (incubating) Router process can be used to route queries to different Broker processes. By default, the broker routes queries based on how <a href="/docs/latest/operations/rule-configuration.html">Rules</a> are set up. For example, if 1 month of recent data is loaded into a <code>hot</code> cluster, queries that fall within the recent month can be routed to a dedicated set of brokers. Queries outside this range are routed to another set of brokers. This set up provide [...]
<p>For query routing purposes, you should only ever need the Router process if you have a Druid cluster well into the terabyte range.</p>
<p>In addition to query routing, the Router also runs the <a href="../operations/management-uis.html#druid-console">Druid Console</a>, a management UI for datasources, segments, tasks, data processes (Historicals and MiddleManagers), and coordinator dynamic configuration. The user can also run SQL and native Druid queries within the console.</p>
-<h2><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
+<h3><a class="anchor" aria-hidden="true" id="configuration"></a><a href="#configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.8 [...]
+<p>For Apache Druid (incubating) Router Process Configuration, see <a href="../configuration/index.html#router">Router Configuration</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
+<p>For a list of API endpoints supported by the Router, see <a href="../operations/api-reference.html#router">Router API</a>.</p>
+<h3><a class="anchor" aria-hidden="true" id="running"></a><a href="#running" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
<pre><code class="hljs">org.apache.druid.cli.Main<span class="hljs-built_in"> server </span>router
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
-<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
-<p>JVM settings:</p>
-<pre><code class="hljs">-<span class="ruby">server
-</span>-<span class="ruby">Xmx13g
-</span>-<span class="ruby">Xms13g
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>NewSize=<span class="hljs-number">256</span>m
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>MaxNewSize=<span class="hljs-number">256</span>m
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseConcMarkSweepGC
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCDetails
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCTimeStamps
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseLargePages
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+HeapDumpOnOutOfMemoryError
-</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>HeapDumpPath=<span class="hljs-regexp">/mnt/galaxy</span><span class="hljs-regexp">/deploy/current</span><span class="hljs-regexp">/
-</span></span>-<span class="ruby"><span class="hljs-regexp">Duser.timezone=UTC
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dfile.encoding=UTF-8
-</span></span>-<span class="ruby"><span class="hljs-regexp">Djava.io.tmpdir=/mnt</span><span class="hljs-regexp">/tmp
-</span></span>
--<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.port=17071
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.authenticate=false
-</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.ssl=false
-</span></span></code></pre>
-<p>Runtime.properties:</p>
-<pre><code class="hljs"><span class="hljs-attr">druid.host</span>=<span class="hljs-comment">#{IP_ADDR}:8080</span>
-<span class="hljs-attr">druid.plaintextPort</span>=<span class="hljs-number">8080</span>
-<span class="hljs-attr">druid.service</span>=druid/router
-
-<span class="hljs-attr">druid.router.defaultBrokerServiceName</span>=druid:broker-cold
-<span class="hljs-attr">druid.router.coordinatorServiceName</span>=druid:coordinator
-<span class="hljs-attr">druid.router.tierToBrokerMap</span>={<span class="hljs-string">"hot"</span>:<span class="hljs-string">"druid:broker-hot"</span>,<span class="hljs-string">"_default_tier"</span>:<span class="hljs-string">"druid:broker-cold"</span>}
-<span class="hljs-attr">druid.router.http.numConnections</span>=<span class="hljs-number">50</span>
-<span class="hljs-attr">druid.router.http.readTimeout</span>=PT5M
-
-<span class="hljs-comment"># Number of threads used by the Router proxy http client</span>
-<span class="hljs-attr">druid.router.http.numMaxThreads</span>=<span class="hljs-number">100</span>
-
-<span class="hljs-attr">druid.server.http.numThreads</span>=<span class="hljs-number">100</span>
+<h3><a class="anchor" aria-hidden="true" id="router-as-management-proxy"></a><a href="#router-as-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
+<p>The Router can be configured to forward requests to the active Coordinator or Overlord process. This may be useful for
+setting up a highly available cluster in situations where the HTTP redirect mechanism of the inactive -> active
+Coordinator/Overlord does not function correctly (servers are behind a load balancer, the hostname used in the redirect
+is only resolvable internally, etc.).</p>
+<h4><a class="anchor" aria-hidden="true" id="enabling-the-management-proxy"></a><a href="#enabling-the-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
+<p>To enable this functionality, set the following in the Router's runtime.properties:</p>
+<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.managementProxy</span><span class="hljs-selector-class">.enabled</span>=true
</code></pre>
-<h2><a class="anchor" aria-hidden="true" id="runtime-configuration"></a><a href="#runtime-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2 [...]
-<p>The Router module uses several of the default modules in <a href="/docs/latest/configuration/index.html">Configuration</a> and has the following set of configurations as well:</p>
+<h4><a class="anchor" aria-hidden="true" id="management-proxy-routing"></a><a href="#management-proxy-routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<p>The management proxy supports implicit and explicit routes. Implicit routes are those where the destination can be
+determined from the original request path based on Druid API path conventions. For the Coordinator the convention is
+<code>/druid/coordinator/*</code> and for the Overlord the convention is <code>/druid/indexer/*</code>. These are convenient because they mean
+that using the management proxy does not require modifying the API request other than issuing the request to the Router
+instead of the Coordinator or Overlord. Most Druid API requests can be routed implicitly.</p>
+<p>Explicit routes are those where the request to the Router contains a path prefix indicating which process the request
+should be routed to. For the Coordinator this prefix is <code>/proxy/coordinator</code> and for the Overlord it is <code>/proxy/overlord</code>.
+This is required for API calls with an ambiguous destination. For example, the <code>/status</code> API is present on all Druid
+processes, so explicit routing needs to be used to indicate the proxy destination.</p>
+<p>This is summarized in the table below:</p>
<table>
<thead>
-<tr><th>Property</th><th>Possible Values</th><th>Description</th><th>Default</th></tr>
+<tr><th>Request Route</th><th>Destination</th><th>Rewritten Route</th><th>Example</th></tr>
</thead>
<tbody>
-<tr><td><code>druid.router.defaultBrokerServiceName</code></td><td>Any string.</td><td>The default Broker to connect to in case service discovery fails.</td><td>druid/broker</td></tr>
-<tr><td><code>druid.router.tierToBrokerMap</code></td><td>An ordered JSON map of tiers to Broker names. The priority of Brokers is based on the ordering.</td><td>Queries for a certain tier of data are routed to their appropriate Broker.</td><td>{"_default_tier": "<defaultBrokerServiceName>"}</td></tr>
-<tr><td><code>druid.router.defaultRule</code></td><td>Any string.</td><td>The default rule for all datasources.</td><td>"_default"</td></tr>
-<tr><td><code>druid.router.pollPeriod</code></td><td>Any ISO8601 duration.</td><td>How often to poll for new rules.</td><td>PT1M</td></tr>
-<tr><td><code>druid.router.strategies</code></td><td>An ordered JSON array of objects.</td><td>All custom strategies to use for routing.</td><td>[{"type":"timeBoundary"},{"type":"priority"}]</td></tr>
-<tr><td><code>druid.router.avatica.balancer.type</code></td><td>String representing an AvaticaConnectionBalancer name</td><td>Class to use for balancing Avatica queries across Brokers</td><td>rendezvousHash</td></tr>
-<tr><td><code>druid.router.http.maxRequestBufferSize</code></td><td>Maximum size of the buffer used to write requests when forwarding them to the Broker. This should be set to atleast the maxHeaderSize allowed on the Broker</td><td>8 * 1024</td></tr>
+<tr><td><code>/druid/coordinator/*</code></td><td>Coordinator</td><td><code>/druid/coordinator/*</code></td><td><code>router:8888/druid/coordinator/v1/datasources</code> -> <code>coordinator:8081/druid/coordinator/v1/datasources</code></td></tr>
+<tr><td><code>/druid/indexer/*</code></td><td>Overlord</td><td><code>/druid/indexer/*</code></td><td><code>router:8888/druid/indexer/v1/task</code> -> <code>overlord:8090/druid/indexer/v1/task</code></td></tr>
+<tr><td><code>/proxy/coordinator/*</code></td><td>Coordinator</td><td><code>/*</code></td><td><code>router:8888/proxy/coordinator/status</code> -> <code>coordinator:8081/status</code></td></tr>
+<tr><td><code>/proxy/overlord/*</code></td><td>Overlord</td><td><code>/*</code></td><td><code>router:8888/proxy/overlord/druid/indexer/v1/isLeader</code> -> <code>overlord:8090/druid/indexer/v1/isLeader</code></td></tr>
</tbody>
</table>
-<h2><a class="anchor" aria-hidden="true" id="router-strategies"></a><a href="#router-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
+<h3><a class="anchor" aria-hidden="true" id="router-strategies"></a><a href="#router-strategies" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2- [...]
<p>The Router has a configurable list of strategies for how it selects which Brokers to route queries to. The order of the strategies matter because as soon as a strategy condition is matched, a Broker is selected.</p>
-<h3><a class="anchor" aria-hidden="true" id="timeboundary"></a><a href="#timeboundary" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
+<h4><a class="anchor" aria-hidden="true" id="timeboundary"></a><a href="#timeboundary" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83. [...]
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"timeBoundary"</span>
}
</code></pre>
<p>Including this strategy means all timeBoundary queries are always routed to the highest priority Broker.</p>
-<h3><a class="anchor" aria-hidden="true" id="priority"></a><a href="#priority" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
+<h4><a class="anchor" aria-hidden="true" id="priority"></a><a href="#priority" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 [...]
<pre><code class="hljs css language-json">{
<span class="hljs-attr">"type"</span>:<span class="hljs-string">"priority"</span>,
<span class="hljs-attr">"minPriority"</span>:<span class="hljs-number">0</span>,
@@ -157,7 +138,7 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
}
</code></pre>
<p>Queries with a priority set to less than minPriority are routed to the lowest priority Broker. Queries with priority set to greater than maxPriority are routed to the highest priority Broker. By default, minPriority is 0 and maxPriority is 1. Using these default values, if a query with priority 0 (the default query priority is 0) is sent, the query skips the priority selection logic.</p>
-<h3><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
+<h4><a class="anchor" aria-hidden="true" id="javascript"></a><a href="#javascript" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1 [...]
<p>Allows defining arbitrary routing rules using a JavaScript function. The function is passed the configuration and the query to be executed, and returns the tier it should be routed to, or null for the default tier.</p>
<p><em>Example</em>: a function that sends queries containing more than three aggregators to the lowest priority Broker.</p>
<pre><code class="hljs css language-json">{
@@ -168,74 +149,58 @@ However, it has been battle-tested in production, and it hosts the powerful <a h
<blockquote>
<p>JavaScript-based functionality is disabled by default. Please refer to the Druid <a href="/docs/latest/development/javascript.html">JavaScript programming guide</a> for guidelines about using Druid's JavaScript functionality, including instructions on how to enable it.</p>
</blockquote>
-<h2><a class="anchor" aria-hidden="true" id="avatica-query-balancing"></a><a href="#avatica-query-balancing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
+<h3><a class="anchor" aria-hidden="true" id="avatica-query-balancing"></a><a href="#avatica-query-balancing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 [...]
<p>All Avatica JDBC requests with a given connection ID must be routed to the same Broker, since Druid Brokers do not share connection state with each other.</p>
<p>To accomplish this, Druid provides two built-in balancers that use rendezvous hashing and consistent hashing of a request's connection ID respectively to assign requests to Brokers.</p>
<p>Note that when multiple Routers are used, all Routers should have identical balancer configuration to ensure that they make the same routing decisions.</p>
-<h3><a class="anchor" aria-hidden="true" id="rendezvous-hash-balancer"></a><a href="#rendezvous-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<h4><a class="anchor" aria-hidden="true" id="rendezvous-hash-balancer"></a><a href="#rendezvous-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Rendezvous_hashing">Rendezvous Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=rendezvousHash
</code></pre>
<p>If no <code>druid.router.avatica.balancer</code> property is set, the Router will also default to using the Rendezvous Hash Balancer.</p>
-<h3><a class="anchor" aria-hidden="true" id="consistent-hash-balancer"></a><a href="#consistent-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
+<h4><a class="anchor" aria-hidden="true" id="consistent-hash-balancer"></a><a href="#consistent-hash-balancer" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-. [...]
<p>This balancer uses <a href="https://en.wikipedia.org/wiki/Consistent_hashing">Consistent Hashing</a> on an Avatica request's connection ID to assign the request to a Broker.</p>
<p>To use this balancer, specify the following property:</p>
<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.avatica</span><span class="hljs-selector-class">.balancer</span><span class="hljs-selector-class">.type</span>=consistentHash
</code></pre>
<p>This is a non-default implementation that is provided for experimentation purposes. The consistent hasher has longer setup times on initialization and when the set of Brokers changes, but has a faster Broker assignment time than the rendezous hasher when tested with 5 Brokers. Benchmarks for both implementations have been provided in <code>ConsistentHasherBenchmark</code> and <code>RendezvousHasherBenchmark</code>. The consistent hasher also requires locking, while the rendezvous hash [...]
-<h2><a class="anchor" aria-hidden="true" id="http-endpoints"></a><a href="#http-endpoints" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0- [...]
-<p>The Router process exposes several HTTP endpoints for interactions.</p>
-<h3><a class="anchor" aria-hidden="true" id="get"></a><a href="#get" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.2 [...]
-<ul>
-<li><code>/status</code></li>
-</ul>
-<p>Returns the Druid version, loaded extensions, memory used, total memory and other useful information about the process.</p>
-<ul>
-<li><code>/druid/v2/datasources</code></li>
-</ul>
-<p>Returns a list of queryable datasources.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}</code></li>
-</ul>
-<p>Returns the dimensions and metrics of the datasource.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}/dimensions</code></li>
-</ul>
-<p>Returns the dimensions of the datasource.</p>
-<ul>
-<li><code>/druid/v2/datasources/{dataSourceName}/metrics</code></li>
-</ul>
-<p>Returns the metrics of the datasource.</p>
-<h2><a class="anchor" aria-hidden="true" id="router-as-management-proxy"></a><a href="#router-as-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H [...]
-<p>The Router can be configured to forward requests to the active Coordinator or Overlord process. This may be useful for
-setting up a highly available cluster in situations where the HTTP redirect mechanism of the inactive -> active
-Coordinator/Overlord does not function correctly (servers are behind a load balancer, the hostname used in the redirect
-is only resolvable internally, etc.).</p>
-<h3><a class="anchor" aria-hidden="true" id="enabling-the-management-proxy"></a><a href="#enabling-the-management-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 [...]
-<p>To enable this functionality, set the following in the Router's runtime.properties:</p>
-<pre><code class="hljs">druid<span class="hljs-selector-class">.router</span><span class="hljs-selector-class">.managementProxy</span><span class="hljs-selector-class">.enabled</span>=true
+<h3><a class="anchor" aria-hidden="true" id="example-production-configuration"></a><a href="#example-production-configuration" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13. [...]
+<p>In this example, we have two tiers in our production cluster: <code>hot</code> and <code>_default_tier</code>. Queries for the <code>hot</code> tier are routed through the <code>broker-hot</code> set of Brokers, and queries for the <code>_default_tier</code> are routed through the <code>broker-cold</code> set of Brokers. If any exceptions or network problems occur, queries are routed to the <code>broker-cold</code> set of brokers. In our example, we are running with a c3.2xlarge EC2 i [...]
+<p>JVM settings:</p>
+<pre><code class="hljs">-<span class="ruby">server
+</span>-<span class="ruby">Xmx13g
+</span>-<span class="ruby">Xms13g
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>NewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>MaxNewSize=<span class="hljs-number">256</span>m
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseConcMarkSweepGC
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCDetails
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+PrintGCTimeStamps
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+UseLargePages
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>+HeapDumpOnOutOfMemoryError
+</span>-<span class="ruby"><span class="hljs-symbol">XX:</span>HeapDumpPath=<span class="hljs-regexp">/mnt/galaxy</span><span class="hljs-regexp">/deploy/current</span><span class="hljs-regexp">/
+</span></span>-<span class="ruby"><span class="hljs-regexp">Duser.timezone=UTC
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dfile.encoding=UTF-8
+</span></span>-<span class="ruby"><span class="hljs-regexp">Djava.io.tmpdir=/mnt</span><span class="hljs-regexp">/tmp
+</span></span>
+-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.port=17071
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.authenticate=false
+</span></span>-<span class="ruby"><span class="hljs-regexp">Dcom.sun.management.jmxremote.ssl=false
+</span></span></code></pre>
+<p>Runtime.properties:</p>
+<pre><code class="hljs"><span class="hljs-attr">druid.host</span>=<span class="hljs-comment">#{IP_ADDR}:8080</span>
+<span class="hljs-attr">druid.plaintextPort</span>=<span class="hljs-number">8080</span>
+<span class="hljs-attr">druid.service</span>=druid/router
+
+<span class="hljs-attr">druid.router.defaultBrokerServiceName</span>=druid:broker-cold
+<span class="hljs-attr">druid.router.coordinatorServiceName</span>=druid:coordinator
+<span class="hljs-attr">druid.router.tierToBrokerMap</span>={<span class="hljs-string">"hot"</span>:<span class="hljs-string">"druid:broker-hot"</span>,<span class="hljs-string">"_default_tier"</span>:<span class="hljs-string">"druid:broker-cold"</span>}
+<span class="hljs-attr">druid.router.http.numConnections</span>=<span class="hljs-number">50</span>
+<span class="hljs-attr">druid.router.http.readTimeout</span>=PT5M
+
+<span class="hljs-comment"># Number of threads used by the Router proxy http client</span>
+<span class="hljs-attr">druid.router.http.numMaxThreads</span>=<span class="hljs-number">100</span>
+
+<span class="hljs-attr">druid.server.http.numThreads</span>=<span class="hljs-number">100</span>
</code></pre>
-<h3><a class="anchor" aria-hidden="true" id="routing"></a><a href="#routing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1- [...]
-<p>The management proxy supports implicit and explicit routes. Implicit routes are those where the destination can be
-determined from the original request path based on Druid API path conventions. For the Coordinator the convention is
-<code>/druid/coordinator/*</code> and for the Overlord the convention is <code>/druid/indexer/*</code>. These are convenient because they mean
-that using the management proxy does not require modifying the API request other than issuing the request to the Router
-instead of the Coordinator or Overlord. Most Druid API requests can be routed implicitly.</p>
-<p>Explicit routes are those where the request to the Router contains a path prefix indicating which process the request
-should be routed to. For the Coordinator this prefix is <code>/proxy/coordinator</code> and for the Overlord it is <code>/proxy/overlord</code>.
-This is required for API calls with an ambiguous destination. For example, the <code>/status</code> API is present on all Druid
-processes, so explicit routing needs to be used to indicate the proxy destination.</p>
-<p>This is summarized in the table below:</p>
-<table>
-<thead>
-<tr><th>Request Route</th><th>Destination</th><th>Rewritten Route</th><th>Example</th></tr>
-</thead>
-<tbody>
-<tr><td><code>/druid/coordinator/*</code></td><td>Coordinator</td><td><code>/druid/coordinator/*</code></td><td><code>router:8888/druid/coordinator/v1/datasources</code> -> <code>coordinator:8081/druid/coordinator/v1/datasources</code></td></tr>
-<tr><td><code>/druid/indexer/*</code></td><td>Overlord</td><td><code>/druid/indexer/*</code></td><td><code>router:8888/druid/indexer/v1/task</code> -> <code>overlord:8090/druid/indexer/v1/task</code></td></tr>
-<tr><td><code>/proxy/coordinator/*</code></td><td>Coordinator</td><td><code>/*</code></td><td><code>router:8888/proxy/coordinator/status</code> -> <code>coordinator:8081/status</code></td></tr>
-<tr><td><code>/proxy/overlord/*</code></td><td>Overlord</td><td><code>/*</code></td><td><code>router:8888/proxy/overlord/druid/indexer/v1/isLeader</code> -> <code>overlord:8090/druid/indexer/v1/isLeader</code></td></tr>
-</tbody>
-</table>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/overlord.html"><span class="arrow-prev">← </span><span>Overlord Process</span></a><a class="docs-next button" href="/docs/latest/design/peons.html"><span>Peons</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#running">Running</a></li><li><a href="#example-production-configuration">Example Production Config [...]
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+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/design/overlord.html"><span class="arrow-prev">← </span><span>Overlord Process</span></a><a class="docs-next button" href="/docs/latest/design/peons.html"><span>Peons</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p><a href="/technology"> [...]
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diff --git a/docs/latest/operations/api-reference.html b/docs/latest/operations/api-reference.html
index d2b0451..979c8a7 100644
--- a/docs/latest/operations/api-reference.html
+++ b/docs/latest/operations/api-reference.html
@@ -750,4 +750,22 @@ if you're using SQL.</p>
<li><code>/druid/v2/candidates/</code></li>
</ul>
<p>Returns segment information lists including server locations for the given query..</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/operations/basic-cluster-tuning.html"><span class="arrow-prev">← </span><span>Basic cluster tuning</span></a><a class="docs-next button" href="/docs/latest/operations/high-availability.html"><span>High availability</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#common">Common</a><ul class="toc-headings"><li><a [...]
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+<h3><a class="anchor" aria-hidden="true" id="router"></a><a href="#router" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<h4><a class="anchor" aria-hidden="true" id="get-18"></a><a href="#get-18" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2. [...]
+<ul>
+<li><code>/druid/v2/datasources</code></li>
+</ul>
+<p>Returns a list of queryable datasources.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}</code></li>
+</ul>
+<p>Returns the dimensions and metrics of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/dimensions</code></li>
+</ul>
+<p>Returns the dimensions of the datasource.</p>
+<ul>
+<li><code>/druid/v2/datasources/{dataSourceName}/metrics</code></li>
+</ul>
+<p>Returns the metrics of the datasource.</p>
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/operations/basic-cluster-tuning.html"><span class="arrow-prev">← </span><span>Basic cluster tuning</span></a><a class="docs-next button" href="/docs/latest/operations/high-availability.html"><span>High availability</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#common">Common</a><ul class="toc-headings"><li><a [...]
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