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Posted to commits@pinot.apache.org by xi...@apache.org on 2019/08/03 08:52:48 UTC
[incubator-pinot] branch kafka2.0_doc updated (f7a1bd7 -> c4dceab)
This is an automated email from the ASF dual-hosted git repository.
xiangfu pushed a change to branch kafka2.0_doc
in repository https://gitbox.apache.org/repos/asf/incubator-pinot.git.
discard f7a1bd7 dding kafka 2.0 doc for using simple consumer
new c4dceab dding kafka 2.0 doc for using simple consumer
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Summary of changes:
docs/pluggable_streams.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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[incubator-pinot] 01/01: dding kafka 2.0 doc for using simple
consumer
Posted by xi...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
xiangfu pushed a commit to branch kafka2.0_doc
in repository https://gitbox.apache.org/repos/asf/incubator-pinot.git
commit c4dceab933ac2529ad67cc76ff12a9fb5d161b3c
Author: Xiang Fu <fx...@gmail.com>
AuthorDate: Sat Aug 3 16:22:18 2019 +0800
dding kafka 2.0 doc for using simple consumer
---
docs/pluggable_streams.rst | 51 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/docs/pluggable_streams.rst b/docs/pluggable_streams.rst
index ff27cde..b07c38b 100644
--- a/docs/pluggable_streams.rst
+++ b/docs/pluggable_streams.rst
@@ -162,7 +162,11 @@ How to build and release Pinot package with Kafka 2.x connector
How to use Kafka 2.x connector
------------------------------
-Below is a sample `streamConfigs` used to create a realtime table with Kafka Stream(High) level consumer:
+- **Use Kafka Stream(High) Level Consumer**
+
+Below is a sample ``streamConfigs`` used to create a realtime table with Kafka Stream(High) level consumer.
+
+Kafka 2.x HLC consumer uses ``org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory`` in config ``stream.kafka.consumer.factory.class.name``.
.. code-block:: none
@@ -177,10 +181,53 @@ Below is a sample `streamConfigs` used to create a realtime table with Kafka Str
"stream.kafka.hlc.bootstrap.server": "localhost:19092"
}
+
+- **Use Kafka Partition(Low) Level Consumer**
+
+Below is a sample table config used to create a realtime table with Kafka Partition(Low) level consumer:
+
+.. code-block:: none
+
+ {
+ "tableName": "meetupRsvp",
+ "tableType": "REALTIME",
+ "segmentsConfig": {
+ "timeColumnName": "mtime",
+ "timeType": "MILLISECONDS",
+ "segmentPushType": "APPEND",
+ "segmentAssignmentStrategy": "BalanceNumSegmentAssignmentStrategy",
+ "schemaName": "meetupRsvp",
+ "replication": "1",
+ "replicasPerPartition": "1"
+ },
+ "tenants": {},
+ "tableIndexConfig": {
+ "loadMode": "MMAP",
+ "streamConfigs": {
+ "streamType": "kafka",
+ "stream.kafka.consumer.type": "simple",
+ "stream.kafka.topic.name": "meetupRSVPEvents",
+ "stream.kafka.decoder.class.name": "org.apache.pinot.core.realtime.impl.kafka.KafkaJSONMessageDecoder",
+ "stream.kafka.consumer.factory.class.name": "org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory",
+ "stream.kafka.zk.broker.url": "localhost:2191/kafka",
+ "stream.kafka.broker.list": "localhost:19092"
+ }
+ },
+ "metadata": {
+ "customConfigs": {}
+ }
+ }
+
+Please note that,
+
+1. Config ``replicasPerPartition`` under ``segmentsConfig`` is required to specify table replication.
+2. Config ``stream.kafka.consumer.type`` should be specified as ``simple`` to use partition level consumer.
+3. Configs ``stream.kafka.zk.broker.url`` and ``stream.kafka.broker.list`` are required under ``tableIndexConfig.streamConfigs`` to provide kafka related information.
+
Upgrade from Kafka 0.9 connector to Kafka 2.x connector
-------------------------------------------------------
-* Update table config:
+* Update table config for both high level and low level consumer:
Update config: ``stream.kafka.consumer.factory.class.name`` from ``org.apache.pinot.core.realtime.impl.kafka.KafkaConsumerFactory`` to ``org.apache.pinot.core.realtime.impl.kafka2.KafkaConsumerFactory``.
* If using Stream(High) level consumer:
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