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Posted to commits@kafka.apache.org by bb...@apache.org on 2020/11/04 16:18:28 UTC
[kafka-site] branch asf-site updated: Adding docs for 2.7.0 relase
This is an automated email from the ASF dual-hosted git repository.
bbejeck pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/kafka-site.git
The following commit(s) were added to refs/heads/asf-site by this push:
new 47fc030 Adding docs for 2.7.0 relase
47fc030 is described below
commit 47fc030a2c5fd8acec950d28c978b08ac1cf19b6
Author: Bill Bejeck <bb...@gmail.com>
AuthorDate: Wed Nov 4 09:52:29 2020 -0500
Adding docs for 2.7.0 relase
---
27/api.html | 110 +
27/configuration.html | 271 +
27/connect.html | 745 +
27/design.html | 664 +
27/documentation.html | 88 +
27/documentation/index.html | 18 +
27/documentation/streams/architecture.html | 19 +
27/documentation/streams/core-concepts.html | 19 +
.../streams/developer-guide/app-reset-tool.html | 19 +
.../streams/developer-guide/config-streams.html | 19 +
.../streams/developer-guide/datatypes.html | 19 +
.../streams/developer-guide/dsl-api.html | 19 +
.../developer-guide/dsl-topology-naming.html | 19 +
.../streams/developer-guide/index.html | 19 +
.../developer-guide/interactive-queries.html | 19 +
.../streams/developer-guide/manage-topics.html | 19 +
.../streams/developer-guide/memory-mgmt.html | 19 +
.../streams/developer-guide/processor-api.html | 19 +
.../streams/developer-guide/running-app.html | 19 +
.../streams/developer-guide/security.html | 19 +
.../streams/developer-guide/testing.html | 19 +
.../streams/developer-guide/write-streams.html | 19 +
27/documentation/streams/index.html | 19 +
27/documentation/streams/quickstart.html | 19 +
27/documentation/streams/tutorial.html | 19 +
27/documentation/streams/upgrade-guide.html | 19 +
27/ecosystem.html | 18 +
27/generated/admin_client_config.html | 543 +
27/generated/connect_config.html | 983 ++
27/generated/connect_metrics.html | 204 +
27/generated/connect_predicates.html | 44 +
27/generated/connect_transforms.html | 374 +
27/generated/consumer_config.html | 753 +
27/generated/consumer_metrics.html | 81 +
27/generated/kafka_config.html | 2379 +++
27/generated/producer_config.html | 703 +
27/generated/producer_metrics.html | 78 +
27/generated/protocol_api_keys.html | 113 +
27/generated/protocol_errors.html | 106 +
27/generated/protocol_messages.html | 12167 +++++++++++++
27/generated/protocol_types.html | 27 +
27/generated/sink_connector_config.html | 193 +
27/generated/source_connector_config.html | 153 +
27/generated/streams_config.html | 463 +
27/generated/topic_config.html | 289 +
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27/implementation.html | 293 +
27/introduction.html | 220 +
27/javadoc/allclasses-frame.html | 741 +
27/javadoc/allclasses-noframe.html | 741 +
27/javadoc/constant-values.html | 3297 ++++
27/javadoc/deprecated-list.html | 925 +
27/javadoc/help-doc.html | 222 +
27/javadoc/index-all.html | 17047 +++++++++++++++++++
27/javadoc/index.html | 75 +
.../kafka/clients/admin/AbstractOptions.html | 331 +
.../org/apache/kafka/clients/admin/Admin.html | 2699 +++
.../apache/kafka/clients/admin/AdminClient.html | 324 +
.../kafka/clients/admin/AdminClientConfig.html | 784 +
.../clients/admin/AlterClientQuotasOptions.html | 318 +
.../clients/admin/AlterClientQuotasResult.html | 298 +
.../kafka/clients/admin/AlterConfigOp.OpType.html | 411 +
.../apache/kafka/clients/admin/AlterConfigOp.html | 357 +
.../kafka/clients/admin/AlterConfigsOptions.html | 340 +
.../kafka/clients/admin/AlterConfigsResult.html | 257 +
.../admin/AlterConsumerGroupOffsetsOptions.html | 265 +
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.../admin/AlterPartitionReassignmentsOptions.html | 265 +
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.../clients/admin/AlterReplicaLogDirsOptions.html | 263 +
.../clients/admin/AlterReplicaLogDirsResult.html | 279 +
.../admin/AlterUserScramCredentialsOptions.html | 265 +
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.../org/apache/kafka/clients/admin/Config.html | 345 +
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.../apache/kafka/clients/admin/ConfigEntry.html | 536 +
.../clients/admin/ConsumerGroupDescription.html | 429 +
.../kafka/clients/admin/ConsumerGroupListing.html | 390 +
.../kafka/clients/admin/CreateAclsOptions.html | 308 +
.../kafka/clients/admin/CreateAclsResult.html | 259 +
.../admin/CreateDelegationTokenOptions.html | 338 +
.../clients/admin/CreateDelegationTokenResult.html | 241 +
.../clients/admin/CreatePartitionsOptions.html | 350 +
.../clients/admin/CreatePartitionsResult.html | 259 +
.../kafka/clients/admin/CreateTopicsOptions.html | 372 +
.../CreateTopicsResult.TopicMetadataAndConfig.html | 264 +
.../kafka/clients/admin/CreateTopicsResult.html | 380 +
.../kafka/clients/admin/DeleteAclsOptions.html | 308 +
.../admin/DeleteAclsResult.FilterResult.html | 258 +
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.../kafka/clients/admin/DeleteAclsResult.html | 287 +
.../admin/DeleteConsumerGroupOffsetsOptions.html | 265 +
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.../kafka/clients/admin/DescribeAclsOptions.html | 308 +
.../kafka/clients/admin/DescribeAclsResult.html | 241 +
.../clients/admin/DescribeClientQuotasOptions.html | 265 +
.../clients/admin/DescribeClientQuotasResult.html | 283 +
.../clients/admin/DescribeClusterOptions.html | 338 +
.../kafka/clients/admin/DescribeClusterResult.html | 292 +
.../clients/admin/DescribeConfigsOptions.html | 372 +
.../kafka/clients/admin/DescribeConfigsResult.html | 259 +
.../admin/DescribeConsumerGroupsOptions.html | 312 +
.../admin/DescribeConsumerGroupsResult.html | 291 +
.../admin/DescribeDelegationTokenOptions.html | 323 +
.../admin/DescribeDelegationTokenResult.html | 241 +
.../clients/admin/DescribeFeaturesOptions.html | 315 +
.../clients/admin/DescribeFeaturesResult.html | 237 +
.../clients/admin/DescribeLogDirsOptions.html | 265 +
.../kafka/clients/admin/DescribeLogDirsResult.html | 300 +
.../admin/DescribeReplicaLogDirsOptions.html | 265 +
...ribeReplicaLogDirsResult.ReplicaLogDirInfo.html | 294 +
.../admin/DescribeReplicaLogDirsResult.html | 276 +
.../kafka/clients/admin/DescribeTopicsOptions.html | 334 +
.../kafka/clients/admin/DescribeTopicsResult.html | 295 +
.../admin/DescribeUserScramCredentialsOptions.html | 265 +
.../admin/DescribeUserScramCredentialsResult.html | 289 +
.../kafka/clients/admin/ElectLeadersOptions.html | 265 +
.../kafka/clients/admin/ElectLeadersResult.html | 259 +
.../admin/ElectPreferredLeadersOptions.html | 272 +
.../clients/admin/ElectPreferredLeadersResult.html | 292 +
.../admin/ExpireDelegationTokenOptions.html | 312 +
.../clients/admin/ExpireDelegationTokenResult.html | 241 +
.../kafka/clients/admin/FeatureMetadata.html | 327 +
.../apache/kafka/clients/admin/FeatureUpdate.html | 345 +
.../kafka/clients/admin/FinalizedVersionRange.html | 299 +
.../kafka/clients/admin/KafkaAdminClient.html | 1587 ++
.../admin/ListConsumerGroupOffsetsOptions.html | 325 +
.../admin/ListConsumerGroupOffsetsResult.html | 242 +
.../clients/admin/ListConsumerGroupsOptions.html | 321 +
.../clients/admin/ListConsumerGroupsResult.html | 290 +
.../kafka/clients/admin/ListOffsetsOptions.html | 311 +
.../ListOffsetsResult.ListOffsetsResultInfo.html | 319 +
.../kafka/clients/admin/ListOffsetsResult.html | 312 +
.../admin/ListPartitionReassignmentsOptions.html | 265 +
.../admin/ListPartitionReassignmentsResult.html | 240 +
.../kafka/clients/admin/ListTopicsOptions.html | 347 +
.../kafka/clients/admin/ListTopicsResult.html | 273 +
.../kafka/clients/admin/LogDirDescription.html | 313 +
.../kafka/clients/admin/MemberAssignment.html | 330 +
.../kafka/clients/admin/MemberDescription.html | 413 +
.../apache/kafka/clients/admin/MemberToRemove.html | 303 +
.../clients/admin/NewPartitionReassignment.html | 273 +
.../apache/kafka/clients/admin/NewPartitions.html | 337 +
.../org/apache/kafka/clients/admin/NewTopic.html | 463 +
.../clients/admin/OffsetSpec.EarliestSpec.html | 265 +
.../kafka/clients/admin/OffsetSpec.LatestSpec.html | 265 +
.../clients/admin/OffsetSpec.TimestampSpec.html | 225 +
.../org/apache/kafka/clients/admin/OffsetSpec.html | 341 +
.../kafka/clients/admin/PartitionReassignment.html | 327 +
.../kafka/clients/admin/RecordsToDelete.html | 312 +
.../RemoveMembersFromConsumerGroupOptions.html | 325 +
.../RemoveMembersFromConsumerGroupResult.html | 258 +
.../clients/admin/RenewDelegationTokenOptions.html | 312 +
.../clients/admin/RenewDelegationTokenResult.html | 241 +
.../apache/kafka/clients/admin/ReplicaInfo.html | 338 +
.../kafka/clients/admin/ScramCredentialInfo.html | 352 +
.../apache/kafka/clients/admin/ScramMechanism.html | 433 +
.../kafka/clients/admin/SupportedVersionRange.html | 299 +
.../kafka/clients/admin/TopicDescription.html | 417 +
.../apache/kafka/clients/admin/TopicListing.html | 316 +
.../kafka/clients/admin/UpdateFeaturesOptions.html | 265 +
.../kafka/clients/admin/UpdateFeaturesResult.html | 253 +
.../admin/UserScramCredentialAlteration.html | 323 +
.../clients/admin/UserScramCredentialDeletion.html | 311 +
.../admin/UserScramCredentialUpsertion.html | 404 +
.../admin/UserScramCredentialsDescription.html | 353 +
.../apache/kafka/clients/admin/package-frame.html | 144 +
.../kafka/clients/admin/package-summary.html | 878 +
.../apache/kafka/clients/admin/package-tree.html | 287 +
.../clients/consumer/CommitFailedException.html | 285 +
.../apache/kafka/clients/consumer/Consumer.html | 1066 ++
.../kafka/clients/consumer/ConsumerConfig.html | 1425 ++
.../clients/consumer/ConsumerGroupMetadata.html | 378 +
.../clients/consumer/ConsumerInterceptor.html | 315 +
.../ConsumerPartitionAssignor.Assignment.html | 316 +
.../ConsumerPartitionAssignor.GroupAssignment.html | 272 +
...onsumerPartitionAssignor.GroupSubscription.html | 272 +
...onsumerPartitionAssignor.RebalanceProtocol.html | 383 +
.../ConsumerPartitionAssignor.Subscription.html | 354 +
.../consumer/ConsumerPartitionAssignor.html | 388 +
.../consumer/ConsumerRebalanceListener.html | 420 +
.../kafka/clients/consumer/ConsumerRecord.html | 743 +
.../kafka/clients/consumer/ConsumerRecords.html | 421 +
.../consumer/CooperativeStickyAssignor.html | 424 +
.../clients/consumer/InvalidOffsetException.html | 311 +
.../kafka/clients/consumer/KafkaConsumer.html | 2673 +++
.../clients/consumer/LogTruncationException.html | 339 +
.../kafka/clients/consumer/MockConsumer.html | 1406 ++
.../consumer/NoOffsetForPartitionException.html | 355 +
.../kafka/clients/consumer/OffsetAndMetadata.html | 421 +
.../kafka/clients/consumer/OffsetAndTimestamp.html | 372 +
.../clients/consumer/OffsetCommitCallback.html | 246 +
.../consumer/OffsetOutOfRangeException.html | 348 +
.../clients/consumer/OffsetResetStrategy.html | 350 +
.../kafka/clients/consumer/RangeAssignor.html | 378 +
.../consumer/RetriableCommitFailedException.html | 312 +
.../kafka/clients/consumer/RoundRobinAssignor.html | 408 +
.../kafka/clients/consumer/StickyAssignor.html | 562 +
.../kafka/clients/consumer/package-frame.html | 56 +
.../kafka/clients/consumer/package-summary.html | 338 +
.../kafka/clients/consumer/package-tree.html | 231 +
.../clients/producer/BufferExhaustedException.html | 296 +
.../apache/kafka/clients/producer/Callback.html | 253 +
.../kafka/clients/producer/KafkaProducer.html | 1130 ++
.../kafka/clients/producer/MockProducer.html | 1042 ++
.../apache/kafka/clients/producer/Partitioner.html | 306 +
.../apache/kafka/clients/producer/Producer.html | 484 +
.../kafka/clients/producer/ProducerConfig.html | 1244 ++
.../clients/producer/ProducerInterceptor.html | 332 +
.../kafka/clients/producer/ProducerRecord.html | 603 +
.../kafka/clients/producer/RecordMetadata.html | 506 +
.../clients/producer/RoundRobinPartitioner.html | 355 +
.../clients/producer/UniformStickyPartitioner.html | 381 +
.../kafka/clients/producer/package-frame.html | 36 +
.../kafka/clients/producer/package-summary.html | 237 +
.../kafka/clients/producer/package-tree.html | 193 +
27/javadoc/org/apache/kafka/common/Cluster.html | 733 +
.../org/apache/kafka/common/ClusterResource.html | 333 +
.../kafka/common/ClusterResourceListener.html | 252 +
.../org/apache/kafka/common/Configurable.html | 230 +
.../apache/kafka/common/ConsumerGroupState.html | 420 +
.../org/apache/kafka/common/ElectionType.html | 391 +
27/javadoc/org/apache/kafka/common/Endpoint.html | 379 +
.../kafka/common/InvalidRecordException.html | 295 +
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.../org/apache/kafka/common/KafkaException.html | 307 +
.../kafka/common/KafkaFuture.BaseFunction.html | 229 +
.../kafka/common/KafkaFuture.BiConsumer.html | 227 +
.../apache/kafka/common/KafkaFuture.Function.html | 254 +
.../org/apache/kafka/common/KafkaFuture.html | 622 +
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27/javadoc/org/apache/kafka/common/Metric.html | 262 +
27/javadoc/org/apache/kafka/common/MetricName.html | 413 +
.../apache/kafka/common/MetricNameTemplate.html | 436 +
27/javadoc/org/apache/kafka/common/Node.html | 461 +
.../org/apache/kafka/common/PartitionInfo.html | 401 +
.../org/apache/kafka/common/Reconfigurable.html | 288 +
.../org/apache/kafka/common/TopicPartition.html | 344 +
.../apache/kafka/common/TopicPartitionInfo.html | 391 +
.../apache/kafka/common/TopicPartitionReplica.html | 359 +
.../kafka/common/acl/AccessControlEntry.html | 422 +
.../kafka/common/acl/AccessControlEntryFilter.html | 497 +
.../org/apache/kafka/common/acl/AclBinding.html | 413 +
.../apache/kafka/common/acl/AclBindingFilter.html | 485 +
.../org/apache/kafka/common/acl/AclOperation.html | 601 +
.../apache/kafka/common/acl/AclPermissionType.html | 450 +
.../org/apache/kafka/common/acl/package-frame.html | 27 +
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.../org/apache/kafka/common/acl/package-tree.html | 150 +
.../annotation/InterfaceStability.Evolving.html | 163 +
.../annotation/InterfaceStability.Stable.html | 168 +
.../annotation/InterfaceStability.Unstable.html | 163 +
.../common/annotation/InterfaceStability.html | 271 +
.../kafka/common/annotation/package-frame.html | 25 +
.../kafka/common/annotation/package-summary.html | 171 +
.../kafka/common/annotation/package-tree.html | 140 +
.../apache/kafka/common/config/AbstractConfig.html | 932 +
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.../kafka/common/config/ConfigChangeCallback.html | 229 +
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.../common/config/ConfigDef.LambdaValidator.html | 288 +
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...onfigDef.NonEmptyStringWithoutControlChars.html | 320 +
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.../kafka/common/config/ConfigDef.Width.html | 367 +
.../org/apache/kafka/common/config/ConfigDef.html | 1610 ++
.../kafka/common/config/ConfigException.html | 300 +
.../kafka/common/config/ConfigResource.Type.html | 393 +
.../apache/kafka/common/config/ConfigResource.html | 387 +
.../kafka/common/config/ConfigTransformer.html | 344 +
.../common/config/ConfigTransformerResult.html | 311 +
.../apache/kafka/common/config/ConfigValue.html | 441 +
.../apache/kafka/common/config/LogLevelConfig.html | 401 +
.../apache/kafka/common/config/SaslConfigs.html | 1070 ++
.../apache/kafka/common/config/SecurityConfig.html | 292 +
.../apache/kafka/common/config/SslClientAuth.html | 400 +
.../org/apache/kafka/common/config/SslConfigs.html | 1179 ++
.../apache/kafka/common/config/TopicConfig.html | 1113 ++
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.../apache/kafka/common/config/package-tree.html | 195 +
.../common/config/provider/ConfigProvider.html | 353 +
.../config/provider/DirectoryConfigProvider.html | 367 +
.../common/config/provider/FileConfigProvider.html | 378 +
.../common/config/provider/package-frame.html | 24 +
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.../common/errors/BrokerNotAvailableException.html | 295 +
.../errors/ClusterAuthorizationException.html | 300 +
.../errors/ConcurrentTransactionsException.html | 281 +
.../common/errors/ControllerMovedException.html | 295 +
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.../common/errors/CorruptRecordException.html | 326 +
.../DelegationTokenAuthorizationException.html | 300 +
.../errors/DelegationTokenDisabledException.html | 295 +
.../errors/DelegationTokenExpiredException.html | 295 +
.../errors/DelegationTokenNotFoundException.html | 295 +
.../DelegationTokenOwnerMismatchException.html | 295 +
.../kafka/common/errors/DisconnectException.html | 361 +
.../common/errors/DuplicateResourceException.html | 394 +
.../common/errors/DuplicateSequenceException.html | 281 +
.../common/errors/ElectionNotNeededException.html | 305 +
.../EligibleLeadersNotAvailableException.html | 305 +
.../errors/FeatureUpdateFailedException.html | 295 +
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.../common/errors/FencedLeaderEpochException.html | 308 +
.../errors/FetchSessionIdNotFoundException.html | 298 +
.../common/errors/GroupAuthorizationException.html | 355 +
.../common/errors/GroupIdNotFoundException.html | 281 +
.../errors/GroupMaxSizeReachedException.html | 282 +
.../common/errors/GroupNotEmptyException.html | 281 +
.../errors/GroupSubscribedToTopicException.html | 281 +
.../common/errors/IllegalGenerationException.html | 319 +
.../common/errors/IllegalSaslStateException.html | 303 +
.../errors/InconsistentGroupProtocolException.html | 295 +
.../errors/InconsistentVoterSetException.html | 295 +
.../kafka/common/errors/InterruptException.html | 296 +
.../errors/InvalidCommitOffsetSizeException.html | 295 +
.../errors/InvalidConfigurationException.html | 295 +
.../errors/InvalidFetchSessionEpochException.html | 298 +
.../common/errors/InvalidFetchSizeException.html | 295 +
.../common/errors/InvalidGroupIdException.html | 295 +
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.../common/errors/InvalidOffsetException.html | 302 +
.../common/errors/InvalidPartitionsException.html | 295 +
.../common/errors/InvalidPidMappingException.html | 281 +
.../errors/InvalidPrincipalTypeException.html | 295 +
.../errors/InvalidReplicaAssignmentException.html | 295 +
.../errors/InvalidReplicationFactorException.html | 295 +
.../common/errors/InvalidRequestException.html | 298 +
.../errors/InvalidRequiredAcksException.html | 281 +
.../errors/InvalidSessionTimeoutException.html | 295 +
.../common/errors/InvalidTimestampException.html | 296 +
.../kafka/common/errors/InvalidTopicException.html | 369 +
.../common/errors/InvalidTxnStateException.html | 281 +
.../common/errors/InvalidTxnTimeoutException.html | 297 +
.../errors/InvalidUpdateVersionException.html | 295 +
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.../common/errors/LeaderNotAvailableException.html | 307 +
.../common/errors/ListenerNotFoundException.html | 310 +
.../common/errors/LogDirNotFoundException.html | 308 +
.../common/errors/MemberIdRequiredException.html | 295 +
.../kafka/common/errors/NetworkException.html | 331 +
.../errors/NoReassignmentInProgressException.html | 296 +
.../common/errors/NotControllerException.html | 300 +
.../common/errors/NotCoordinatorException.html | 305 +
.../NotEnoughReplicasAfterAppendException.html | 288 +
.../common/errors/NotEnoughReplicasException.html | 325 +
.../errors/NotLeaderForPartitionException.html | 350 +
.../errors/NotLeaderOrFollowerException.html | 340 +
.../common/errors/OffsetMetadataTooLarge.html | 320 +
.../common/errors/OffsetNotAvailableException.html | 288 +
.../common/errors/OffsetOutOfRangeException.html | 302 +
.../errors/OperationNotAttemptedException.html | 283 +
.../common/errors/OutOfOrderSequenceException.html | 291 +
.../common/errors/PolicyViolationException.html | 296 +
.../PreferredLeaderNotAvailableException.html | 305 +
.../common/errors/ProducerFencedException.html | 285 +
.../errors/ReassignmentInProgressException.html | 296 +
.../errors/RebalanceInProgressException.html | 319 +
.../errors/RecordBatchTooLargeException.html | 320 +
.../common/errors/RecordTooLargeException.html | 368 +
.../errors/ReplicaNotAvailableException.html | 321 +
.../common/errors/ResourceNotFoundException.html | 393 +
.../kafka/common/errors/RetriableException.html | 324 +
.../common/errors/SaslAuthenticationException.html | 313 +
.../common/errors/SecurityDisabledException.html | 296 +
.../common/errors/SerializationException.html | 346 +
.../common/errors/SslAuthenticationException.html | 309 +
.../common/errors/StaleBrokerEpochException.html | 295 +
.../errors/ThrottlingQuotaExceededException.html | 335 +
.../kafka/common/errors/TimeoutException.html | 329 +
.../common/errors/TopicAuthorizationException.html | 354 +
.../errors/TopicDeletionDisabledException.html | 293 +
.../kafka/common/errors/TopicExistsException.html | 295 +
.../common/errors/TransactionAbortedException.html | 309 +
.../TransactionCoordinatorFencedException.html | 295 +
.../TransactionalIdAuthorizationException.html | 286 +
.../errors/UnacceptableCredentialException.html | 309 +
.../common/errors/UnknownLeaderEpochException.html | 303 +
.../common/errors/UnknownMemberIdException.html | 319 +
.../common/errors/UnknownProducerIdException.html | 290 +
.../common/errors/UnknownServerException.html | 321 +
.../errors/UnknownTopicOrPartitionException.html | 333 +
.../errors/UnstableOffsetCommitException.html | 287 +
.../UnsupportedByAuthenticationException.html | 296 +
.../UnsupportedCompressionTypeException.html | 296 +
.../UnsupportedForMessageFormatException.html | 297 +
.../errors/UnsupportedSaslMechanismException.html | 302 +
.../common/errors/UnsupportedVersionException.html | 303 +
.../kafka/common/errors/WakeupException.html | 273 +
.../apache/kafka/common/errors/package-frame.html | 126 +
.../kafka/common/errors/package-summary.html | 708 +
.../apache/kafka/common/errors/package-tree.html | 281 +
.../org/apache/kafka/common/header/Header.html | 231 +
.../org/apache/kafka/common/header/Headers.html | 359 +
.../apache/kafka/common/header/package-frame.html | 20 +
.../kafka/common/header/package-summary.html | 143 +
.../apache/kafka/common/header/package-tree.html | 135 +
.../metrics/CompoundStat.NamedMeasurable.html | 287 +
.../apache/kafka/common/metrics/CompoundStat.html | 255 +
.../org/apache/kafka/common/metrics/Gauge.html | 234 +
.../apache/kafka/common/metrics/JmxReporter.html | 678 +
.../apache/kafka/common/metrics/KafkaMetric.html | 371 +
.../kafka/common/metrics/KafkaMetricsContext.html | 329 +
.../apache/kafka/common/metrics/Measurable.html | 244 +
.../kafka/common/metrics/MeasurableStat.html | 204 +
.../apache/kafka/common/metrics/MetricConfig.html | 414 +
.../kafka/common/metrics/MetricValueProvider.html | 179 +
.../org/apache/kafka/common/metrics/Metrics.html | 1173 ++
.../kafka/common/metrics/MetricsContext.html | 283 +
.../kafka/common/metrics/MetricsReporter.html | 400 +
.../org/apache/kafka/common/metrics/Quota.html | 374 +
.../common/metrics/QuotaViolationException.html | 368 +
.../common/metrics/Sensor.RecordingLevel.html | 464 +
.../org/apache/kafka/common/metrics/Sensor.html | 539 +
.../org/apache/kafka/common/metrics/Stat.html | 240 +
.../apache/kafka/common/metrics/package-frame.html | 45 +
.../kafka/common/metrics/package-summary.html | 276 +
.../apache/kafka/common/metrics/package-tree.html | 204 +
.../org/apache/kafka/common/metrics/stats/Avg.html | 346 +
.../apache/kafka/common/metrics/stats/Count.html | 315 +
.../common/metrics/stats/CumulativeCount.html | 308 +
.../kafka/common/metrics/stats/CumulativeSum.html | 337 +
.../kafka/common/metrics/stats/Frequencies.html | 488 +
.../kafka/common/metrics/stats/Frequency.html | 306 +
.../common/metrics/stats/Histogram.BinScheme.html | 281 +
.../metrics/stats/Histogram.ConstantBinScheme.html | 354 +
.../metrics/stats/Histogram.LinearBinScheme.html | 352 +
.../kafka/common/metrics/stats/Histogram.html | 360 +
.../org/apache/kafka/common/metrics/stats/Max.html | 346 +
.../apache/kafka/common/metrics/stats/Meter.html | 386 +
.../org/apache/kafka/common/metrics/stats/Min.html | 346 +
.../kafka/common/metrics/stats/Percentile.html | 283 +
.../metrics/stats/Percentiles.BucketSizing.html | 342 +
.../kafka/common/metrics/stats/Percentiles.html | 449 +
.../common/metrics/stats/Rate.SampledTotal.html | 303 +
.../apache/kafka/common/metrics/stats/Rate.html | 463 +
.../common/metrics/stats/SampledStat.Sample.html | 364 +
.../kafka/common/metrics/stats/SampledStat.html | 474 +
.../kafka/common/metrics/stats/SimpleRate.html | 328 +
.../org/apache/kafka/common/metrics/stats/Sum.html | 303 +
.../kafka/common/metrics/stats/TokenBucket.html | 359 +
.../apache/kafka/common/metrics/stats/Total.html | 261 +
.../apache/kafka/common/metrics/stats/Value.html | 318 +
.../kafka/common/metrics/stats/WindowedCount.html | 347 +
.../kafka/common/metrics/stats/WindowedSum.html | 353 +
.../kafka/common/metrics/stats/package-frame.html | 51 +
.../common/metrics/stats/package-summary.html | 318 +
.../kafka/common/metrics/stats/package-tree.html | 189 +
.../org/apache/kafka/common/package-frame.html | 51 +
.../org/apache/kafka/common/package-summary.html | 309 +
.../org/apache/kafka/common/package-tree.html | 202 +
.../apache/kafka/common/resource/PatternType.html | 488 +
.../org/apache/kafka/common/resource/Resource.html | 443 +
.../kafka/common/resource/ResourceFilter.html | 455 +
.../kafka/common/resource/ResourcePattern.html | 452 +
.../common/resource/ResourcePatternFilter.html | 490 +
.../apache/kafka/common/resource/ResourceType.html | 498 +
.../kafka/common/resource/package-frame.html | 27 +
.../kafka/common/resource/package-summary.html | 183 +
.../apache/kafka/common/resource/package-tree.html | 150 +
.../security/auth/AuthenticateCallbackHandler.html | 277 +
.../security/auth/AuthenticationContext.html | 260 +
.../security/auth/DefaultPrincipalBuilder.html | 347 +
.../kafka/common/security/auth/KafkaPrincipal.html | 480 +
.../security/auth/KafkaPrincipalBuilder.html | 235 +
.../apache/kafka/common/security/auth/Login.html | 312 +
.../auth/PlaintextAuthenticationContext.html | 325 +
.../common/security/auth/PrincipalBuilder.html | 291 +
.../security/auth/SaslAuthenticationContext.html | 342 +
.../kafka/common/security/auth/SaslExtensions.html | 362 +
.../security/auth/SaslExtensionsCallback.html | 304 +
.../common/security/auth/SecurityProtocol.html | 471 +
.../security/auth/SecurityProviderCreator.html | 250 +
.../security/auth/SslAuthenticationContext.html | 340 +
.../common/security/auth/SslEngineFactory.html | 373 +
.../kafka/common/security/auth/package-frame.html | 39 +
.../common/security/auth/package-summary.html | 239 +
.../kafka/common/security/auth/package-tree.html | 179 +
.../OAuthBearerExtensionsValidatorCallback.html | 405 +
.../oauthbearer/OAuthBearerLoginModule.html | 593 +
.../security/oauthbearer/OAuthBearerToken.html | 359 +
.../oauthbearer/OAuthBearerTokenCallback.html | 416 +
.../oauthbearer/OAuthBearerValidatorCallback.html | 456 +
.../common/security/oauthbearer/package-frame.html | 26 +
.../security/oauthbearer/package-summary.html | 185 +
.../common/security/oauthbearer/package-tree.html | 141 +
.../security/plain/PlainAuthenticateCallback.html | 321 +
.../common/security/plain/PlainLoginModule.html | 351 +
.../kafka/common/security/plain/package-frame.html | 20 +
.../common/security/plain/package-summary.html | 143 +
.../kafka/common/security/plain/package-tree.html | 135 +
.../common/security/scram/ScramCredential.html | 331 +
.../security/scram/ScramCredentialCallback.html | 293 +
.../security/scram/ScramExtensionsCallback.html | 297 +
.../common/security/scram/ScramLoginModule.html | 391 +
.../kafka/common/security/scram/package-frame.html | 22 +
.../common/security/scram/package-summary.html | 159 +
.../kafka/common/security/scram/package-tree.html | 137 +
.../security/token/delegation/DelegationToken.html | 349 +
.../token/delegation/TokenInformation.html | 448 +
.../security/token/delegation/package-frame.html | 20 +
.../security/token/delegation/package-summary.html | 147 +
.../security/token/delegation/package-tree.html | 135 +
.../serialization/ByteArrayDeserializer.html | 295 +
.../common/serialization/ByteArraySerializer.html | 295 +
.../serialization/ByteBufferDeserializer.html | 295 +
.../common/serialization/ByteBufferSerializer.html | 295 +
.../common/serialization/BytesDeserializer.html | 295 +
.../common/serialization/BytesSerializer.html | 295 +
.../kafka/common/serialization/Deserializer.html | 327 +
.../common/serialization/DoubleDeserializer.html | 295 +
.../common/serialization/DoubleSerializer.html | 295 +
.../ExtendedDeserializer.Wrapper.html | 406 +
.../common/serialization/ExtendedDeserializer.html | 289 +
.../serialization/ExtendedSerializer.Wrapper.html | 410 +
.../common/serialization/ExtendedSerializer.html | 291 +
.../common/serialization/FloatDeserializer.html | 295 +
.../common/serialization/FloatSerializer.html | 295 +
.../common/serialization/IntegerDeserializer.html | 295 +
.../common/serialization/IntegerSerializer.html | 295 +
.../common/serialization/LongDeserializer.html | 295 +
.../kafka/common/serialization/LongSerializer.html | 295 +
.../apache/kafka/common/serialization/Serde.html | 294 +
.../serialization/Serdes.ByteArraySerde.html | 254 +
.../serialization/Serdes.ByteBufferSerde.html | 254 +
.../common/serialization/Serdes.BytesSerde.html | 254 +
.../common/serialization/Serdes.DoubleSerde.html | 254 +
.../common/serialization/Serdes.FloatSerde.html | 254 +
.../common/serialization/Serdes.IntegerSerde.html | 254 +
.../common/serialization/Serdes.LongSerde.html | 254 +
.../common/serialization/Serdes.ShortSerde.html | 254 +
.../common/serialization/Serdes.StringSerde.html | 254 +
.../common/serialization/Serdes.UUIDSerde.html | 254 +
.../common/serialization/Serdes.VoidSerde.html | 254 +
.../common/serialization/Serdes.WrapperSerde.html | 357 +
.../apache/kafka/common/serialization/Serdes.html | 498 +
.../kafka/common/serialization/Serializer.html | 331 +
.../common/serialization/ShortDeserializer.html | 295 +
.../common/serialization/ShortSerializer.html | 295 +
.../common/serialization/StringDeserializer.html | 323 +
.../common/serialization/StringSerializer.html | 323 +
.../common/serialization/UUIDDeserializer.html | 323 +
.../kafka/common/serialization/UUIDSerializer.html | 323 +
.../common/serialization/VoidDeserializer.html | 295 +
.../kafka/common/serialization/VoidSerializer.html | 295 +
.../kafka/common/serialization/package-frame.html | 63 +
.../common/serialization/package-summary.html | 336 +
.../kafka/common/serialization/package-tree.html | 195 +
.../apache/kafka/connect/components/Versioned.html | 234 +
.../kafka/connect/components/package-frame.html | 19 +
.../kafka/connect/components/package-summary.html | 141 +
.../kafka/connect/components/package-tree.html | 130 +
.../kafka/connect/connector/ConnectRecord.html | 550 +
.../apache/kafka/connect/connector/Connector.html | 543 +
.../kafka/connect/connector/ConnectorContext.html | 249 +
.../org/apache/kafka/connect/connector/Task.html | 276 +
.../kafka/connect/connector/package-frame.html | 25 +
.../kafka/connect/connector/package-summary.html | 174 +
.../kafka/connect/connector/package-tree.html | 140 +
.../ConnectorClientConfigOverridePolicy.html | 258 +
.../ConnectorClientConfigRequest.ClientType.html | 354 +
.../policy/ConnectorClientConfigRequest.html | 392 +
.../connect/connector/policy/package-frame.html | 27 +
.../connect/connector/policy/package-summary.html | 171 +
.../connect/connector/policy/package-tree.html | 159 +
.../apache/kafka/connect/data/ConnectSchema.html | 745 +
27/javadoc/org/apache/kafka/connect/data/Date.html | 374 +
.../org/apache/kafka/connect/data/Decimal.html | 401 +
.../org/apache/kafka/connect/data/Field.html | 373 +
.../org/apache/kafka/connect/data/Schema.Type.html | 546 +
.../org/apache/kafka/connect/data/Schema.html | 730 +
.../apache/kafka/connect/data/SchemaAndValue.html | 370 +
.../apache/kafka/connect/data/SchemaBuilder.html | 1029 ++
.../apache/kafka/connect/data/SchemaProjector.html | 290 +
.../org/apache/kafka/connect/data/Struct.html | 680 +
27/javadoc/org/apache/kafka/connect/data/Time.html | 374 +
.../org/apache/kafka/connect/data/Timestamp.html | 372 +
.../apache/kafka/connect/data/Values.Parser.html | 419 +
.../kafka/connect/data/Values.SchemaDetector.html | 285 +
.../org/apache/kafka/connect/data/Values.html | 1018 ++
.../apache/kafka/connect/data/package-frame.html | 39 +
.../apache/kafka/connect/data/package-summary.html | 249 +
.../apache/kafka/connect/data/package-tree.html | 162 +
.../connect/errors/AlreadyExistsException.html | 301 +
.../kafka/connect/errors/ConnectException.html | 300 +
.../apache/kafka/connect/errors/DataException.html | 305 +
.../errors/IllegalWorkerStateException.html | 301 +
.../kafka/connect/errors/NotFoundException.html | 301 +
.../kafka/connect/errors/RetriableException.html | 301 +
.../connect/errors/SchemaBuilderException.html | 305 +
.../connect/errors/SchemaProjectorException.html | 305 +
.../apache/kafka/connect/errors/package-frame.html | 26 +
.../kafka/connect/errors/package-summary.html | 179 +
.../apache/kafka/connect/errors/package-tree.html | 163 +
.../kafka/connect/header/ConnectHeaders.html | 1186 ++
.../org/apache/kafka/connect/header/Header.html | 316 +
.../connect/header/Headers.HeaderTransform.html | 233 +
.../org/apache/kafka/connect/header/Headers.html | 969 ++
.../apache/kafka/connect/header/package-frame.html | 25 +
.../kafka/connect/header/package-summary.html | 170 +
.../apache/kafka/connect/header/package-tree.html | 144 +
.../apache/kafka/connect/health/AbstractState.html | 367 +
.../connect/health/ConnectClusterDetails.html | 227 +
.../kafka/connect/health/ConnectClusterState.html | 303 +
.../kafka/connect/health/ConnectorHealth.html | 393 +
.../kafka/connect/health/ConnectorState.html | 298 +
.../apache/kafka/connect/health/ConnectorType.html | 377 +
.../org/apache/kafka/connect/health/TaskState.html | 355 +
.../apache/kafka/connect/health/package-frame.html | 31 +
.../kafka/connect/health/package-summary.html | 200 +
.../apache/kafka/connect/health/package-tree.html | 157 +
.../apache/kafka/connect/mirror/Checkpoint.html | 570 +
.../connect/mirror/DefaultReplicationPolicy.html | 417 +
.../org/apache/kafka/connect/mirror/Heartbeat.html | 476 +
.../apache/kafka/connect/mirror/MirrorClient.html | 474 +
.../kafka/connect/mirror/MirrorClientConfig.html | 457 +
.../kafka/connect/mirror/RemoteClusterUtils.html | 366 +
.../kafka/connect/mirror/ReplicationPolicy.html | 300 +
.../kafka/connect/mirror/SourceAndTarget.html | 335 +
.../apache/kafka/connect/mirror/package-frame.html | 29 +
.../kafka/connect/mirror/package-summary.html | 194 +
.../apache/kafka/connect/mirror/package-tree.html | 148 +
.../kafka/connect/rest/ConnectRestExtension.html | 270 +
.../connect/rest/ConnectRestExtensionContext.html | 248 +
.../apache/kafka/connect/rest/package-frame.html | 20 +
.../apache/kafka/connect/rest/package-summary.html | 148 +
.../apache/kafka/connect/rest/package-tree.html | 149 +
.../kafka/connect/sink/ErrantRecordReporter.html | 254 +
.../apache/kafka/connect/sink/SinkConnector.html | 359 +
.../kafka/connect/sink/SinkConnectorContext.html | 191 +
.../org/apache/kafka/connect/sink/SinkRecord.html | 511 +
.../org/apache/kafka/connect/sink/SinkTask.html | 605 +
.../apache/kafka/connect/sink/SinkTaskContext.html | 422 +
.../apache/kafka/connect/sink/package-frame.html | 27 +
.../apache/kafka/connect/sink/package-summary.html | 183 +
.../apache/kafka/connect/sink/package-tree.html | 154 +
.../kafka/connect/source/SourceConnector.html | 318 +
.../connect/source/SourceConnectorContext.html | 238 +
.../apache/kafka/connect/source/SourceRecord.html | 589 +
.../apache/kafka/connect/source/SourceTask.html | 512 +
.../kafka/connect/source/SourceTaskContext.html | 243 +
.../apache/kafka/connect/source/package-frame.html | 26 +
.../kafka/connect/source/package-summary.html | 180 +
.../apache/kafka/connect/source/package-tree.html | 153 +
.../apache/kafka/connect/storage/Converter.html | 360 +
.../kafka/connect/storage/ConverterConfig.html | 363 +
.../kafka/connect/storage/ConverterType.html | 386 +
.../kafka/connect/storage/HeaderConverter.html | 307 +
.../kafka/connect/storage/OffsetStorageReader.html | 271 +
.../connect/storage/SimpleHeaderConverter.html | 393 +
.../kafka/connect/storage/StringConverter.html | 490 +
.../connect/storage/StringConverterConfig.html | 384 +
.../kafka/connect/storage/package-frame.html | 32 +
.../kafka/connect/storage/package-summary.html | 206 +
.../apache/kafka/connect/storage/package-tree.html | 175 +
.../kafka/connect/transforms/Transformation.html | 280 +
.../kafka/connect/transforms/package-frame.html | 19 +
.../kafka/connect/transforms/package-summary.html | 141 +
.../kafka/connect/transforms/package-tree.html | 143 +
.../connect/transforms/predicates/Predicate.html | 289 +
.../transforms/predicates/package-frame.html | 19 +
.../transforms/predicates/package-summary.html | 141 +
.../transforms/predicates/package-tree.html | 139 +
.../apache/kafka/connect/util/ConnectorUtils.html | 287 +
.../apache/kafka/connect/util/package-frame.html | 19 +
.../apache/kafka/connect/util/package-summary.html | 141 +
.../apache/kafka/connect/util/package-tree.html | 134 +
.../kafka/server/authorizer/AclCreateResult.html | 308 +
.../AclDeleteResult.AclBindingDeleteResult.html | 308 +
.../kafka/server/authorizer/AclDeleteResult.html | 323 +
.../org/apache/kafka/server/authorizer/Action.html | 407 +
.../authorizer/AuthorizableRequestContext.html | 337 +
.../server/authorizer/AuthorizationResult.html | 339 +
.../apache/kafka/server/authorizer/Authorizer.html | 405 +
.../server/authorizer/AuthorizerServerInfo.html | 273 +
.../kafka/server/authorizer/package-frame.html | 32 +
.../kafka/server/authorizer/package-summary.html | 198 +
.../kafka/server/authorizer/package-tree.html | 168 +
.../policy/AlterConfigPolicy.RequestMetadata.html | 313 +
.../kafka/server/policy/AlterConfigPolicy.html | 282 +
.../policy/CreateTopicPolicy.RequestMetadata.html | 383 +
.../kafka/server/policy/CreateTopicPolicy.html | 281 +
.../apache/kafka/server/policy/package-frame.html | 25 +
.../kafka/server/policy/package-summary.html | 170 +
.../apache/kafka/server/policy/package-tree.html | 150 +
.../kafka/server/quota/ClientQuotaCallback.html | 402 +
.../quota/ClientQuotaEntity.ConfigEntity.html | 245 +
.../quota/ClientQuotaEntity.ConfigEntityType.html | 367 +
.../kafka/server/quota/ClientQuotaEntity.html | 253 +
.../apache/kafka/server/quota/ClientQuotaType.html | 363 +
.../apache/kafka/server/quota/package-frame.html | 26 +
.../apache/kafka/server/quota/package-summary.html | 176 +
.../apache/kafka/server/quota/package-tree.html | 149 +
.../apache/kafka/streams/KafkaClientSupplier.html | 350 +
.../apache/kafka/streams/KafkaStreams.State.html | 456 +
.../kafka/streams/KafkaStreams.StateListener.html | 233 +
.../org/apache/kafka/streams/KafkaStreams.html | 1148 ++
.../org/apache/kafka/streams/KeyQueryMetadata.html | 487 +
27/javadoc/org/apache/kafka/streams/KeyValue.html | 410 +
27/javadoc/org/apache/kafka/streams/LagInfo.html | 336 +
.../apache/kafka/streams/StoreQueryParameters.html | 412 +
.../org/apache/kafka/streams/StreamsBuilder.html | 991 ++
.../streams/StreamsConfig.InternalConfig.html | 397 +
.../org/apache/kafka/streams/StreamsConfig.html | 2387 +++
.../org/apache/kafka/streams/StreamsMetrics.html | 584 +
.../org/apache/kafka/streams/TestInputTopic.html | 561 +
.../org/apache/kafka/streams/TestOutputTopic.html | 455 +
.../kafka/streams/Topology.AutoOffsetReset.html | 345 +
27/javadoc/org/apache/kafka/streams/Topology.html | 1584 ++
.../streams/TopologyDescription.GlobalStore.html | 268 +
.../kafka/streams/TopologyDescription.Node.html | 278 +
.../streams/TopologyDescription.Processor.html | 242 +
.../kafka/streams/TopologyDescription.Sink.html | 264 +
.../kafka/streams/TopologyDescription.Source.html | 286 +
.../streams/TopologyDescription.Subtopology.html | 255 +
.../apache/kafka/streams/TopologyDescription.html | 305 +
.../apache/kafka/streams/TopologyTestDriver.html | 1000 ++
.../streams/errors/BrokerNotFoundException.html | 303 +
.../errors/DefaultProductionExceptionHandler.html | 326 +
...tionHandler.DeserializationHandlerResponse.html | 398 +
.../errors/DeserializationExceptionHandler.html | 270 +
.../streams/errors/InvalidStateStoreException.html | 306 +
.../InvalidStateStorePartitionException.html | 296 +
.../apache/kafka/streams/errors/LockException.html | 302 +
.../errors/LogAndContinueExceptionHandler.html | 327 +
.../streams/errors/LogAndFailExceptionHandler.html | 327 +
.../errors/MissingSourceTopicException.html | 274 +
.../streams/errors/ProcessorStateException.html | 302 +
...Handler.ProductionExceptionHandlerResponse.html | 397 +
.../streams/errors/ProductionExceptionHandler.html | 267 +
.../errors/StateStoreMigratedException.html | 298 +
.../errors/StateStoreNotAvailableException.html | 297 +
.../kafka/streams/errors/StreamsException.html | 300 +
.../streams/errors/StreamsNotStartedException.html | 296 +
.../errors/StreamsRebalancingException.html | 296 +
.../streams/errors/TaskAssignmentException.html | 303 +
.../streams/errors/TaskCorruptedException.html | 328 +
.../streams/errors/TaskIdFormatException.html | 303 +
.../streams/errors/TaskMigratedException.html | 291 +
.../kafka/streams/errors/TopologyException.html | 302 +
.../streams/errors/UnknownStateStoreException.html | 295 +
.../apache/kafka/streams/errors/package-frame.html | 51 +
.../kafka/streams/errors/package-summary.html | 323 +
.../apache/kafka/streams/errors/package-tree.html | 197 +
.../apache/kafka/streams/kstream/Aggregator.html | 258 +
.../kafka/streams/kstream/CogroupedKStream.html | 593 +
.../org/apache/kafka/streams/kstream/Consumed.html | 660 +
.../kafka/streams/kstream/ForeachAction.html | 245 +
.../apache/kafka/streams/kstream/GlobalKTable.html | 271 +
.../org/apache/kafka/streams/kstream/Grouped.html | 535 +
.../apache/kafka/streams/kstream/Initializer.html | 241 +
.../apache/kafka/streams/kstream/JoinWindows.html | 728 +
.../org/apache/kafka/streams/kstream/Joined.html | 703 +
.../kafka/streams/kstream/KGroupedStream.html | 953 ++
.../kafka/streams/kstream/KGroupedTable.html | 1049 ++
.../org/apache/kafka/streams/kstream/KStream.html | 5468 ++++++
.../org/apache/kafka/streams/kstream/KTable.html | 3320 ++++
.../kafka/streams/kstream/KeyValueMapper.html | 261 +
.../apache/kafka/streams/kstream/Materialized.html | 719 +
.../org/apache/kafka/streams/kstream/Merger.html | 241 +
.../org/apache/kafka/streams/kstream/Named.html | 365 +
.../apache/kafka/streams/kstream/Predicate.html | 248 +
.../org/apache/kafka/streams/kstream/Printed.html | 477 +
.../org/apache/kafka/streams/kstream/Produced.html | 642 +
.../org/apache/kafka/streams/kstream/Reducer.html | 253 +
.../kafka/streams/kstream/Repartitioned.html | 581 +
.../apache/kafka/streams/kstream/Serialized.html | 411 +
.../kstream/SessionWindowedCogroupedKStream.html | 507 +
.../kstream/SessionWindowedDeserializer.html | 364 +
.../streams/kstream/SessionWindowedKStream.html | 1013 ++
.../streams/kstream/SessionWindowedSerializer.html | 383 +
.../kafka/streams/kstream/SessionWindows.html | 489 +
.../kafka/streams/kstream/SlidingWindows.html | 373 +
.../apache/kafka/streams/kstream/StreamJoined.html | 656 +
.../streams/kstream/Suppressed.BufferConfig.html | 421 +
.../kstream/Suppressed.EagerBufferConfig.html | 197 +
.../kstream/Suppressed.StrictBufferConfig.html | 196 +
.../apache/kafka/streams/kstream/Suppressed.html | 335 +
.../kstream/TimeWindowedCogroupedKStream.html | 486 +
.../streams/kstream/TimeWindowedDeserializer.html | 404 +
.../kafka/streams/kstream/TimeWindowedKStream.html | 1000 ++
.../streams/kstream/TimeWindowedSerializer.html | 383 +
.../apache/kafka/streams/kstream/TimeWindows.html | 667 +
.../apache/kafka/streams/kstream/Transformer.html | 319 +
.../kafka/streams/kstream/TransformerSupplier.html | 253 +
.../kafka/streams/kstream/UnlimitedWindows.html | 548 +
.../apache/kafka/streams/kstream/ValueJoiner.html | 258 +
.../apache/kafka/streams/kstream/ValueMapper.html | 252 +
.../kafka/streams/kstream/ValueMapperWithKey.html | 257 +
.../kafka/streams/kstream/ValueTransformer.html | 317 +
.../streams/kstream/ValueTransformerSupplier.html | 254 +
.../streams/kstream/ValueTransformerWithKey.html | 321 +
.../kstream/ValueTransformerWithKeySupplier.html | 246 +
.../org/apache/kafka/streams/kstream/Window.html | 485 +
.../org/apache/kafka/streams/kstream/Windowed.html | 365 +
.../WindowedSerdes.SessionWindowedSerde.html | 266 +
.../kstream/WindowedSerdes.TimeWindowedSerde.html | 314 +
.../kafka/streams/kstream/WindowedSerdes.html | 330 +
.../org/apache/kafka/streams/kstream/Windows.html | 470 +
.../kafka/streams/kstream/package-frame.html | 76 +
.../kafka/streams/kstream/package-summary.html | 487 +
.../apache/kafka/streams/kstream/package-tree.html | 209 +
.../org/apache/kafka/streams/package-frame.html | 48 +
.../org/apache/kafka/streams/package-summary.html | 303 +
.../org/apache/kafka/streams/package-tree.html | 178 +
.../kafka/streams/processor/AbstractProcessor.html | 384 +
.../processor/BatchingStateRestoreCallback.html | 254 +
.../kafka/streams/processor/Cancellable.html | 226 +
.../streams/processor/ConnectedStoreProvider.html | 306 +
.../streams/processor/DefaultPartitionGrouper.html | 323 +
.../streams/processor/FailOnInvalidTimestamp.html | 340 +
.../processor/LogAndSkipOnInvalidTimestamp.html | 341 +
.../MockProcessorContext.CapturedForward.html | 302 +
.../MockProcessorContext.CapturedPunctuator.html | 291 +
.../streams/processor/MockProcessorContext.html | 1264 ++
.../kafka/streams/processor/PartitionGrouper.html | 254 +
.../apache/kafka/streams/processor/Processor.html | 286 +
.../kafka/streams/processor/ProcessorContext.html | 796 +
.../kafka/streams/processor/ProcessorSupplier.html | 247 +
.../kafka/streams/processor/PunctuationType.html | 348 +
.../apache/kafka/streams/processor/Punctuator.html | 230 +
.../kafka/streams/processor/RecordContext.html | 297 +
.../streams/processor/StateRestoreCallback.html | 226 +
.../streams/processor/StateRestoreListener.html | 313 +
.../apache/kafka/streams/processor/StateStore.html | 400 +
.../kafka/streams/processor/StateStoreContext.html | 407 +
.../kafka/streams/processor/StreamPartitioner.html | 270 +
.../org/apache/kafka/streams/processor/TaskId.html | 465 +
.../kafka/streams/processor/TaskMetadata.html | 335 +
.../kafka/streams/processor/ThreadMetadata.html | 425 +
.../streams/processor/TimestampExtractor.html | 250 +
.../org/apache/kafka/streams/processor/To.html | 422 +
.../streams/processor/TopicNameExtractor.html | 237 +
.../UsePartitionTimeOnInvalidTimestamp.html | 340 +
.../UsePreviousTimeOnInvalidTimestamp.html | 349 +
.../processor/WallclockTimestampExtractor.html | 299 +
.../api/MockProcessorContext.CapturedForward.html | 365 +
.../MockProcessorContext.CapturedPunctuator.html | 291 +
.../processor/api/MockProcessorContext.html | 991 ++
.../kafka/streams/processor/api/Processor.html | 279 +
.../streams/processor/api/ProcessorContext.html | 615 +
.../streams/processor/api/ProcessorSupplier.html | 254 +
.../apache/kafka/streams/processor/api/Record.html | 548 +
.../streams/processor/api/RecordMetadata.html | 256 +
.../kafka/streams/processor/api/package-frame.html | 29 +
.../streams/processor/api/package-summary.html | 192 +
.../kafka/streams/processor/api/package-tree.html | 148 +
.../kafka/streams/processor/package-frame.html | 55 +
.../kafka/streams/processor/package-summary.html | 353 +
.../kafka/streams/processor/package-tree.html | 184 +
.../org/apache/kafka/streams/state/HostInfo.html | 383 +
.../streams/state/KeyValueBytesStoreSupplier.html | 196 +
.../kafka/streams/state/KeyValueIterator.html | 270 +
.../apache/kafka/streams/state/KeyValueStore.html | 341 +
.../kafka/streams/state/QueryableStoreType.html | 270 +
.../QueryableStoreTypes.KeyValueStoreType.html | 258 +
.../QueryableStoreTypes.SessionStoreType.html | 258 +
.../state/QueryableStoreTypes.WindowStoreType.html | 258 +
.../kafka/streams/state/QueryableStoreTypes.html | 400 +
.../kafka/streams/state/ReadOnlyKeyValueStore.html | 390 +
.../kafka/streams/state/ReadOnlySessionStore.html | 525 +
.../kafka/streams/state/ReadOnlyWindowStore.html | 694 +
.../kafka/streams/state/RocksDBConfigSetter.html | 303 +
.../streams/state/SessionBytesStoreSupplier.html | 266 +
.../apache/kafka/streams/state/SessionStore.html | 286 +
.../apache/kafka/streams/state/StateSerdes.html | 545 +
.../apache/kafka/streams/state/StoreBuilder.html | 376 +
.../apache/kafka/streams/state/StoreSupplier.html | 275 +
.../org/apache/kafka/streams/state/Stores.html | 835 +
.../kafka/streams/state/StreamsMetadata.html | 487 +
.../kafka/streams/state/TimestampedBytesStore.html | 218 +
.../streams/state/TimestampedKeyValueStore.html | 210 +
.../streams/state/TimestampedWindowStore.html | 217 +
.../kafka/streams/state/ValueAndTimestamp.html | 359 +
.../streams/state/WindowBytesStoreSupplier.html | 333 +
.../apache/kafka/streams/state/WindowStore.html | 760 +
.../kafka/streams/state/WindowStoreIterator.html | 254 +
.../apache/kafka/streams/state/package-frame.html | 48 +
.../kafka/streams/state/package-summary.html | 304 +
.../apache/kafka/streams/state/package-tree.html | 217 +
.../kafka/streams/test/ConsumerRecordFactory.html | 1164 ++
.../apache/kafka/streams/test/OutputVerifier.html | 785 +
.../org/apache/kafka/streams/test/TestRecord.html | 630 +
.../apache/kafka/streams/test/package-frame.html | 21 +
.../apache/kafka/streams/test/package-summary.html | 153 +
.../apache/kafka/streams/test/package-tree.html | 136 +
27/javadoc/overview-frame.html | 63 +
27/javadoc/overview-summary.html | 307 +
27/javadoc/overview-tree.html | 1159 ++
27/javadoc/package-list | 44 +
27/javadoc/script.js | 30 +
27/javadoc/serialized-form.html | 1552 ++
27/javadoc/stylesheet.css | 574 +
27/js/templateData.js | 24 +
27/migration.html | 34 +
27/ops.html | 2170 +++
27/protocol.html | 226 +
27/quickstart-docker.html | 204 +
27/quickstart-zookeeper.html | 277 +
27/security.html | 2123 +++
27/streams/architecture.html | 188 +
27/streams/core-concepts.html | 382 +
27/streams/developer-guide/app-reset-tool.html | 198 +
27/streams/developer-guide/config-streams.html | 1032 ++
27/streams/developer-guide/datatypes.html | 235 +
27/streams/developer-guide/dsl-api.html | 3902 +++++
.../developer-guide/dsl-topology-naming.html | 350 +
27/streams/developer-guide/index.html | 106 +
.../developer-guide/interactive-queries.html | 518 +
27/streams/developer-guide/manage-topics.html | 128 +
27/streams/developer-guide/memory-mgmt.html | 288 +
27/streams/developer-guide/processor-api.html | 512 +
27/streams/developer-guide/running-app.html | 189 +
27/streams/developer-guide/security.html | 193 +
27/streams/developer-guide/testing.html | 407 +
27/streams/developer-guide/write-streams.html | 255 +
27/streams/index.html | 364 +
27/streams/quickstart.html | 355 +
27/streams/tutorial.html | 605 +
27/streams/upgrade-guide.html | 1009 ++
27/toc.html | 168 +
27/upgrade.html | 1608 ++
27/uses.html | 81 +
997 files changed, 372002 insertions(+)
diff --git a/27/api.html b/27/api.html
new file mode 100644
index 0000000..94d5f3e
--- /dev/null
+++ b/27/api.html
@@ -0,0 +1,110 @@
+<!--
+ 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.
+-->
+<script id="api-template" type="text/x-handlebars-template">
+ Kafka includes five core apis:
+ <ol>
+ <li>The <a href="#producerapi">Producer</a> API allows applications to send streams of data to topics in the Kafka cluster.
+ <li>The <a href="#consumerapi">Consumer</a> API allows applications to read streams of data from topics in the Kafka cluster.
+ <li>The <a href="#streamsapi">Streams</a> API allows transforming streams of data from input topics to output topics.
+ <li>The <a href="#connectapi">Connect</a> API allows implementing connectors that continually pull from some source system or application into Kafka or push from Kafka into some sink system or application.
+ <li>The <a href="#adminapi">Admin</a> API allows managing and inspecting topics, brokers, and other Kafka objects.
+ </ol>
+
+ Kafka exposes all its functionality over a language independent protocol which has clients available in many programming languages. However only the Java clients are maintained as part of the main Kafka project, the others are available as independent open source projects. A list of non-Java clients is available <a href="https://cwiki.apache.org/confluence/display/KAFKA/Clients">here</a>.
+
+ <h3 class="anchor-heading"><a id="producerapi" class="anchor-link"></a><a href="#producerapi">2.1 Producer API</a></h3>
+
+ The Producer API allows applications to send streams of data to topics in the Kafka cluster.
+ <p>
+ Examples showing how to use the producer are given in the
+ <a href="/{{version}}/javadoc/index.html?org/apache/kafka/clients/producer/KafkaProducer.html" title="Kafka {{dotVersion}} Javadoc">javadocs</a>.
+ <p>
+ To use the producer, you can use the following maven dependency:
+
+ <pre class="line-numbers"><code class="language-xml"> <dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-clients</artifactId>
+ <version>{{fullDotVersion}}</version>
+ </dependency></code></pre>
+
+ <h3 class="anchor-heading"><a id="consumerapi" class="anchor-link"></a><a href="#consumerapi">2.2 Consumer API</a></h3>
+
+ The Consumer API allows applications to read streams of data from topics in the Kafka cluster.
+ <p>
+ Examples showing how to use the consumer are given in the
+ <a href="/{{version}}/javadoc/index.html?org/apache/kafka/clients/consumer/KafkaConsumer.html" title="Kafka {{dotVersion}} Javadoc">javadocs</a>.
+ <p>
+ To use the consumer, you can use the following maven dependency:
+ <pre class="line-numbers"><code class="language-xml"> <dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-clients</artifactId>
+ <version>{{fullDotVersion}}</version>
+ </dependency></code></pre>
+
+ <h3 class="anchor-heading"><a id="streamsapi" class="anchor-link"></a><a href="#streamsapi">2.3 Streams API</a></h3>
+
+ The <a href="#streamsapi">Streams</a> API allows transforming streams of data from input topics to output topics.
+ <p>
+ Examples showing how to use this library are given in the
+ <a href="/{{version}}/javadoc/index.html?org/apache/kafka/streams/KafkaStreams.html" title="Kafka {{dotVersion}} Javadoc">javadocs</a>
+ <p>
+ Additional documentation on using the Streams API is available <a href="/{{version}}/documentation/streams">here</a>.
+ <p>
+ To use Kafka Streams you can use the following maven dependency:
+
+ <pre class="line-numbers"><code class="language-xml"> <dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-streams</artifactId>
+ <version>{{fullDotVersion}}</version>
+ </dependency></code></pre>
+
+ <p>
+ When using Scala you may optionally include the <code>kafka-streams-scala</code> library. Additional documentation on using the Kafka Streams DSL for Scala is available <a href="/{{version}}/documentation/streams/developer-guide/dsl-api.html#scala-dsl">in the developer guide</a>.
+ <p>
+ To use Kafka Streams DSL for Scala for Scala {{scalaVersion}} you can use the following maven dependency:
+
+ <pre class="line-numbers"><code class="language-xml"> <dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-streams-scala_{{scalaVersion}}</artifactId>
+ <version>{{fullDotVersion}}</version>
+ </dependency></code></pre>
+
+ <h3 class="anchor-heading"><a id="connectapi" class="anchor-link"></a><a href="#connectapi">2.4 Connect API</a></h3>
+
+ The Connect API allows implementing connectors that continually pull from some source data system into Kafka or push from Kafka into some sink data system.
+ <p>
+ Many users of Connect won't need to use this API directly, though, they can use pre-built connectors without needing to write any code. Additional information on using Connect is available <a href="/documentation.html#connect">here</a>.
+ <p>
+ Those who want to implement custom connectors can see the <a href="/{{version}}/javadoc/index.html?org/apache/kafka/connect" title="Kafka {{dotVersion}} Javadoc">javadoc</a>.
+ <p>
+
+ <h3 class="anchor-heading"><a id="adminapi" class="anchor-link"></a><a href="#adminapi">2.5 Admin API</a></h3>
+
+ The Admin API supports managing and inspecting topics, brokers, acls, and other Kafka objects.
+ <p>
+ To use the Admin API, add the following Maven dependency:
+ <pre class="line-numbers"><code class="language-xml"> <dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-clients</artifactId>
+ <version>{{fullDotVersion}}</version>
+ </dependency></code></pre>
+ For more information about the Admin APIs, see the <a href="/{{version}}/javadoc/index.html?org/apache/kafka/clients/admin/Admin.html" title="Kafka {{dotVersion}} Javadoc">javadoc</a>.
+ <p>
+
+</script>
+
+<div class="p-api"></div>
diff --git a/27/configuration.html b/27/configuration.html
new file mode 100644
index 0000000..34340a9
--- /dev/null
+++ b/27/configuration.html
@@ -0,0 +1,271 @@
+<!--
+ 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.
+-->
+
+<script id="configuration-template" type="text/x-handlebars-template">
+ Kafka uses key-value pairs in the <a href="http://en.wikipedia.org/wiki/.properties">property file format</a> for configuration. These values can be supplied either from a file or programmatically.
+
+ <h3 class="anchor-heading"><a id="brokerconfigs" class="anchor-link"></a><a href="#brokerconfigs">3.1 Broker Configs</a></h3>
+
+ The essential configurations are the following:
+ <ul>
+ <li><code>broker.id</code>
+ <li><code>log.dirs</code>
+ <li><code>zookeeper.connect</code>
+ </ul>
+
+ Topic-level configurations and defaults are discussed in more detail <a href="#topicconfigs">below</a>.
+
+ <!--#include virtual="generated/kafka_config.html" -->
+
+ <p>More details about broker configuration can be found in the scala class <code>kafka.server.KafkaConfig</code>.</p>
+
+ <h4 class="anchor-heading"><a id="dynamicbrokerconfigs" class="anchor-link"></a><a href="#dynamicbrokerconfigs">3.1.1 Updating Broker Configs</a></h4>
+ From Kafka version 1.1 onwards, some of the broker configs can be updated without restarting the broker. See the
+ <code>Dynamic Update Mode</code> column in <a href="#brokerconfigs">Broker Configs</a> for the update mode of each broker config.
+ <ul>
+ <li><code>read-only</code>: Requires a broker restart for update</li>
+ <li><code>per-broker</code>: May be updated dynamically for each broker</li>
+ <li><code>cluster-wide</code>: May be updated dynamically as a cluster-wide default. May also be updated as a per-broker value for testing.</li>
+ </ul>
+
+ To alter the current broker configs for broker id 0 (for example, the number of log cleaner threads):
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type brokers --entity-name 0 --alter --add-config log.cleaner.threads=2</code></pre>
+
+ To describe the current dynamic broker configs for broker id 0:
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type brokers --entity-name 0 --describe</code></pre>
+
+ To delete a config override and revert to the statically configured or default value for broker id 0 (for example,
+ the number of log cleaner threads):
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type brokers --entity-name 0 --alter --delete-config log.cleaner.threads</code></pre>
+
+ Some configs may be configured as a cluster-wide default to maintain consistent values across the whole cluster. All brokers
+ in the cluster will process the cluster default update. For example, to update log cleaner threads on all brokers:
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type brokers --entity-default --alter --add-config log.cleaner.threads=2</code></pre>
+
+ To describe the currently configured dynamic cluster-wide default configs:
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type brokers --entity-default --describe</code></pre>
+
+ All configs that are configurable at cluster level may also be configured at per-broker level (e.g. for testing).
+ If a config value is defined at different levels, the following order of precedence is used:
+ <ul>
+ <li>Dynamic per-broker config stored in ZooKeeper</li>
+ <li>Dynamic cluster-wide default config stored in ZooKeeper</li>
+ <li>Static broker config from <code>server.properties</code></li>
+ <li>Kafka default, see <a href="#brokerconfigs">broker configs</a></li>
+ </ul>
+
+ <h5>Updating Password Configs Dynamically</h5>
+ <p>Password config values that are dynamically updated are encrypted before storing in ZooKeeper. The broker config
+ <code>password.encoder.secret</code> must be configured in <code>server.properties</code> to enable dynamic update
+ of password configs. The secret may be different on different brokers.</p>
+ <p>The secret used for password encoding may be rotated with a rolling restart of brokers. The old secret used for encoding
+ passwords currently in ZooKeeper must be provided in the static broker config <code>password.encoder.old.secret</code> and
+ the new secret must be provided in <code>password.encoder.secret</code>. All dynamic password configs stored in ZooKeeper
+ will be re-encoded with the new secret when the broker starts up.</p>
+ <p>In Kafka 1.1.x, all dynamically updated password configs must be provided in every alter request when updating configs
+ using <code>kafka-configs.sh</code> even if the password config is not being altered. This constraint will be removed in
+ a future release.</p>
+
+ <h5>Updating Password Configs in ZooKeeper Before Starting Brokers</h5>
+
+ From Kafka 2.0.0 onwards, <code>kafka-configs.sh</code> enables dynamic broker configs to be updated using ZooKeeper before
+ starting brokers for bootstrapping. This enables all password configs to be stored in encrypted form, avoiding the need for
+ clear passwords in <code>server.properties</code>. The broker config <code>password.encoder.secret</code> must also be specified
+ if any password configs are included in the alter command. Additional encryption parameters may also be specified. Password
+ encoder configs will not be persisted in ZooKeeper. For example, to store SSL key password for listener <code>INTERNAL</code>
+ on broker 0:
+
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --zookeeper localhost:2182 --zk-tls-config-file zk_tls_config.properties --entity-type brokers --entity-name 0 --alter --add-config
+ 'listener.name.internal.ssl.key.password=key-password,password.encoder.secret=secret,password.encoder.iterations=8192'</code></pre>
+
+ The configuration <code>listener.name.internal.ssl.key.password</code> will be persisted in ZooKeeper in encrypted
+ form using the provided encoder configs. The encoder secret and iterations are not persisted in ZooKeeper.
+
+ <h5>Updating SSL Keystore of an Existing Listener</h5>
+ Brokers may be configured with SSL keystores with short validity periods to reduce the risk of compromised certificates.
+ Keystores may be updated dynamically without restarting the broker. The config name must be prefixed with the listener prefix
+ <code>listener.name.{listenerName}.</code> so that only the keystore config of a specific listener is updated.
+ The following configs may be updated in a single alter request at per-broker level:
+ <ul>
+ <li><code>ssl.keystore.type</code></li>
+ <li><code>ssl.keystore.location</code></li>
+ <li><code>ssl.keystore.password</code></li>
+ <li><code>ssl.key.password</code></li>
+ </ul>
+ If the listener is the inter-broker listener, the update is allowed only if the new keystore is trusted by the truststore
+ configured for that listener. For other listeners, no trust validation is performed on the keystore by the broker. Certificates
+ must be signed by the same certificate authority that signed the old certificate to avoid any client authentication failures.
+
+ <h5>Updating SSL Truststore of an Existing Listener</h5>
+ Broker truststores may be updated dynamically without restarting the broker to add or remove certificates.
+ Updated truststore will be used to authenticate new client connections. The config name must be prefixed with the
+ listener prefix <code>listener.name.{listenerName}.</code> so that only the truststore config of a specific listener
+ is updated. The following configs may be updated in a single alter request at per-broker level:
+ <ul>
+ <li><code>ssl.truststore.type</code></li>
+ <li><code>ssl.truststore.location</code></li>
+ <li><code>ssl.truststore.password</code></li>
+ </ul>
+ If the listener is the inter-broker listener, the update is allowed only if the existing keystore for that listener is trusted by
+ the new truststore. For other listeners, no trust validation is performed by the broker before the update. Removal of CA certificates
+ used to sign client certificates from the new truststore can lead to client authentication failures.
+
+ <h5>Updating Default Topic Configuration</h5>
+ Default topic configuration options used by brokers may be updated without broker restart. The configs are applied to topics
+ without a topic config override for the equivalent per-topic config. One or more of these configs may be overridden at
+ cluster-default level used by all brokers.
+ <ul>
+ <li><code>log.segment.bytes</code></li>
+ <li><code>log.roll.ms</code></li>
+ <li><code>log.roll.hours</code></li>
+ <li><code>log.roll.jitter.ms</code></li>
+ <li><code>log.roll.jitter.hours</code></li>
+ <li><code>log.index.size.max.bytes</code></li>
+ <li><code>log.flush.interval.messages</code></li>
+ <li><code>log.flush.interval.ms</code></li>
+ <li><code>log.retention.bytes</code></li>
+ <li><code>log.retention.ms</code></li>
+ <li><code>log.retention.minutes</code></li>
+ <li><code>log.retention.hours</code></li>
+ <li><code>log.index.interval.bytes</code></li>
+ <li><code>log.cleaner.delete.retention.ms</code></li>
+ <li><code>log.cleaner.min.compaction.lag.ms</code></li>
+ <li><code>log.cleaner.max.compaction.lag.ms</code></li>
+ <li><code>log.cleaner.min.cleanable.ratio</code></li>
+ <li><code>log.cleanup.policy</code></li>
+ <li><code>log.segment.delete.delay.ms</code></li>
+ <li><code>unclean.leader.election.enable</code></li>
+ <li><code>min.insync.replicas</code></li>
+ <li><code>max.message.bytes</code></li>
+ <li><code>compression.type</code></li>
+ <li><code>log.preallocate</code></li>
+ <li><code>log.message.timestamp.type</code></li>
+ <li><code>log.message.timestamp.difference.max.ms</code></li>
+ </ul>
+
+ From Kafka version 2.0.0 onwards, unclean leader election is automatically enabled by the controller when the config
+ <code>unclean.leader.election.enable</code> is dynamically updated.
+ In Kafka version 1.1.x, changes to <code>unclean.leader.election.enable</code> take effect only when a new controller is elected.
+ Controller re-election may be forced by running:
+
+ <pre class="line-numbers"><code class="language-bash"> > bin/zookeeper-shell.sh localhost
+ rmr /controller</code></pre>
+
+ <h5>Updating Log Cleaner Configs</h5>
+ Log cleaner configs may be updated dynamically at cluster-default level used by all brokers. The changes take effect
+ on the next iteration of log cleaning. One or more of these configs may be updated:
+ <ul>
+ <li><code>log.cleaner.threads</code></li>
+ <li><code>log.cleaner.io.max.bytes.per.second</code></li>
+ <li><code>log.cleaner.dedupe.buffer.size</code></li>
+ <li><code>log.cleaner.io.buffer.size</code></li>
+ <li><code>log.cleaner.io.buffer.load.factor</code></li>
+ <li><code>log.cleaner.backoff.ms</code></li>
+ </ul>
+
+ <h5>Updating Thread Configs</h5>
+ The size of various thread pools used by the broker may be updated dynamically at cluster-default level used by all brokers.
+ Updates are restricted to the range <code>currentSize / 2</code> to <code>currentSize * 2</code> to ensure that config updates are
+ handled gracefully.
+ <ul>
+ <li><code>num.network.threads</code></li>
+ <li><code>num.io.threads</code></li>
+ <li><code>num.replica.fetchers</code></li>
+ <li><code>num.recovery.threads.per.data.dir</code></li>
+ <li><code>log.cleaner.threads</code></li>
+ <li><code>background.threads</code></li>
+ </ul>
+
+ <h5>Updating ConnectionQuota Configs</h5>
+ The maximum number of connections allowed for a given IP/host by the broker may be updated dynamically at cluster-default level used by all brokers.
+ The changes will apply for new connection creations and the existing connections count will be taken into account by the new limits.
+ <ul>
+ <li><code>max.connections.per.ip</code></li>
+ <li><code>max.connections.per.ip.overrides</code></li>
+ </ul>
+
+ <h5>Adding and Removing Listeners</h5>
+ <p>Listeners may be added or removed dynamically. When a new listener is added, security configs of the listener must be provided
+ as listener configs with the listener prefix <code>listener.name.{listenerName}.</code>. If the new listener uses SASL,
+ the JAAS configuration of the listener must be provided using the JAAS configuration property <code>sasl.jaas.config</code>
+ with the listener and mechanism prefix. See <a href="#security_jaas_broker">JAAS configuration for Kafka brokers</a> for details.</p>
+
+ <p>In Kafka version 1.1.x, the listener used by the inter-broker listener may not be updated dynamically. To update the inter-broker
+ listener to a new listener, the new listener may be added on all brokers without restarting the broker. A rolling restart is then
+ required to update <code>inter.broker.listener.name</code>.</p>
+
+ In addition to all the security configs of new listeners, the following configs may be updated dynamically at per-broker level:
+ <ul>
+ <li><code>listeners</code></li>
+ <li><code>advertised.listeners</code></li>
+ <li><code>listener.security.protocol.map</code></li>
+ </ul>
+ Inter-broker listener must be configured using the static broker configuration <code>inter.broker.listener.name</code>
+ or <code>inter.broker.security.protocol</code>.
+
+ <h3 class="anchor-heading"><a id="topicconfigs" class="anchor-link"></a><a href="#topicconfigs">3.2 Topic-Level Configs</a></h3>
+
+ Configurations pertinent to topics have both a server default as well an optional per-topic override. If no per-topic configuration is given the server default is used. The override can be set at topic creation time by giving one or more <code>--config</code> options. This example creates a topic named <i>my-topic</i> with a custom max message size and flush rate:
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-topics.sh --bootstrap-server localhost:9092 --create --topic my-topic --partitions 1 \
+ --replication-factor 1 --config max.message.bytes=64000 --config flush.messages=1</code></pre>
+ Overrides can also be changed or set later using the alter configs command. This example updates the max message size for <i>my-topic</i>:
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type topics --entity-name my-topic
+ --alter --add-config max.message.bytes=128000</code></pre>
+
+ To check overrides set on the topic you can do
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type topics --entity-name my-topic --describe</code></pre>
+
+ To remove an override you can do
+ <pre class="line-numbers"><code class="language-bash"> > bin/kafka-configs.sh --bootstrap-server localhost:9092 --entity-type topics --entity-name my-topic
+ --alter --delete-config max.message.bytes</code></pre>
+
+ The following are the topic-level configurations. The server's default configuration for this property is given under the Server Default Property heading. A given server default config value only applies to a topic if it does not have an explicit topic config override.
+
+ <!--#include virtual="generated/topic_config.html" -->
+
+ <h3 class="anchor-heading"><a id="producerconfigs" class="anchor-link"></a><a href="#producerconfigs">3.3 Producer Configs</a></h3>
+
+ Below is the configuration of the producer:
+ <!--#include virtual="generated/producer_config.html" -->
+
+ <h3 class="anchor-heading"><a id="consumerconfigs" class="anchor-link"></a><a href="#consumerconfigs">3.4 Consumer Configs</a></h3>
+
+ Below is the configuration for the consumer:
+ <!--#include virtual="generated/consumer_config.html" -->
+
+ <h3 class="anchor-heading"><a id="connectconfigs" class="anchor-link"></a><a href="#connectconfigs">3.5 Kafka Connect Configs</a></h3>
+ Below is the configuration of the Kafka Connect framework.
+ <!--#include virtual="generated/connect_config.html" -->
+
+ <h4 class="anchor-heading"><a id="sourceconnectconfigs" class="anchor-link"></a><a href="#sourceconnectconfigs">3.5.1 Source Connector Configs</a></h4>
+ Below is the configuration of a source connector.
+ <!--#include virtual="generated/source_connector_config.html" -->
+
+ <h4 class="anchor-heading"><a id="sinkconnectconfigs" class="anchor-link"></a><a href="#sinkconnectconfigs">3.5.2 Sink Connector Configs</a></h4>
+ Below is the configuration of a sink connector.
+ <!--#include virtual="generated/sink_connector_config.html" -->
+
+ <h3 class="anchor-heading"><a id="streamsconfigs" class="anchor-link"></a><a href="#streamsconfigs">3.6 Kafka Streams Configs</a></h3>
+ Below is the configuration of the Kafka Streams client library.
+ <!--#include virtual="generated/streams_config.html" -->
+
+ <h3 class="anchor-heading"><a id="adminclientconfigs" class="anchor-link"></a><a href="#adminclientconfigs">3.7 Admin Configs</a></h3>
+ Below is the configuration of the Kafka Admin client library.
+ <!--#include virtual="generated/admin_client_config.html" -->
+</script>
+
+<div class="p-configuration"></div>
diff --git a/27/connect.html b/27/connect.html
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+++ b/27/connect.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 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.
+ ~-->
+
+<script id="connect-template" type="text/x-handlebars-template">
+ <h3><a id="connect_overview" href="#connect_overview">8.1 Overview</a></h3>
+
+ <p>Kafka Connect is a tool for scalably and reliably streaming data between Apache Kafka and other systems. It makes it simple to quickly define <i>connectors</i> that move large collections of data into and out of Kafka. Kafka Connect can ingest entire databases or collect metrics from all your application servers into Kafka topics, making the data available for stream processing with low latency. An export job can deliver data from Kafka topics into secondary storage and query syst [...]
+
+ <p>Kafka Connect features include:</p>
+ <ul>
+ <li><b>A common framework for Kafka connectors</b> - Kafka Connect standardizes integration of other data systems with Kafka, simplifying connector development, deployment, and management</li>
+ <li><b>Distributed and standalone modes</b> - scale up to a large, centrally managed service supporting an entire organization or scale down to development, testing, and small production deployments</li>
+ <li><b>REST interface</b> - submit and manage connectors to your Kafka Connect cluster via an easy to use REST API</li>
+ <li><b>Automatic offset management</b> - with just a little information from connectors, Kafka Connect can manage the offset commit process automatically so connector developers do not need to worry about this error prone part of connector development</li>
+ <li><b>Distributed and scalable by default</b> - Kafka Connect builds on the existing group management protocol. More workers can be added to scale up a Kafka Connect cluster.</li>
+ <li><b>Streaming/batch integration</b> - leveraging Kafka's existing capabilities, Kafka Connect is an ideal solution for bridging streaming and batch data systems</li>
+ </ul>
+
+ <h3><a id="connect_user" href="#connect_user">8.2 User Guide</a></h3>
+
+ <p>The <a href="../quickstart">quickstart</a> provides a brief example of how to run a standalone version of Kafka Connect. This section describes how to configure, run, and manage Kafka Connect in more detail.</p>
+
+ <h4><a id="connect_running" href="#connect_running">Running Kafka Connect</a></h4>
+
+ <p>Kafka Connect currently supports two modes of execution: standalone (single process) and distributed.</p>
+
+ <p>In standalone mode all work is performed in a single process. This configuration is simpler to setup and get started with and may be useful in situations where only one worker makes sense (e.g. collecting log files), but it does not benefit from some of the features of Kafka Connect such as fault tolerance. You can start a standalone process with the following command:</p>
+
+ <pre class="brush: bash;">
+ > bin/connect-standalone.sh config/connect-standalone.properties connector1.properties [connector2.properties ...]
+ </pre>
+
+ <p>The first parameter is the configuration for the worker. This includes settings such as the Kafka connection parameters, serialization format, and how frequently to commit offsets. The provided example should work well with a local cluster running with the default configuration provided by <code>config/server.properties</code>. It will require tweaking to use with a different configuration or production deployment. All workers (both standalone and distributed) require a few configs:</p>
+ <ul>
+ <li><code>bootstrap.servers</code> - List of Kafka servers used to bootstrap connections to Kafka</li>
+ <li><code>key.converter</code> - Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the keys in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro.</li>
+ <li><code>value.converter</code> - Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the values in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro.</li>
+ </ul>
+
+ <p>The important configuration options specific to standalone mode are:</p>
+ <ul>
+ <li><code>offset.storage.file.filename</code> - File to store offset data in</li>
+ </ul>
+
+ <p>The parameters that are configured here are intended for producers and consumers used by Kafka Connect to access the configuration, offset and status topics. For configuration of the producers used by Kafka source tasks and the consumers used by Kafka sink tasks, the same parameters can be used but need to be prefixed with <code>producer.</code> and <code>consumer.</code> respectively. The only Kafka client parameter that is inherited without a prefix from the worker configuration [...]
+
+ <p>Starting with 2.3.0, client configuration overrides can be configured individually per connector by using the prefixes <code>producer.override.</code> and <code>consumer.override.</code> for Kafka sources or Kafka sinks respectively. These overrides are included with the rest of the connector's configuration properties.</p>
+
+ <p>The remaining parameters are connector configuration files. You may include as many as you want, but all will execute within the same process (on different threads).</p>
+
+ <p>Distributed mode handles automatic balancing of work, allows you to scale up (or down) dynamically, and offers fault tolerance both in the active tasks and for configuration and offset commit data. Execution is very similar to standalone mode:</p>
+
+ <pre class="brush: bash;">
+ > bin/connect-distributed.sh config/connect-distributed.properties
+ </pre>
+
+ <p>The difference is in the class which is started and the configuration parameters which change how the Kafka Connect process decides where to store configurations, how to assign work, and where to store offsets and task statues. In the distributed mode, Kafka Connect stores the offsets, configs and task statuses in Kafka topics. It is recommended to manually create the topics for offset, configs and statuses in order to achieve the desired the number of partitions and replication f [...]
+
+ <p>In particular, the following configuration parameters, in addition to the common settings mentioned above, are critical to set before starting your cluster:</p>
+ <ul>
+ <li><code>group.id</code> (default <code>connect-cluster</code>) - unique name for the cluster, used in forming the Connect cluster group; note that this <b>must not conflict</b> with consumer group IDs</li>
+ <li><code>config.storage.topic</code> (default <code>connect-configs</code>) - topic to use for storing connector and task configurations; note that this should be a single partition, highly replicated, compacted topic. You may need to manually create the topic to ensure the correct configuration as auto created topics may have multiple partitions or be automatically configured for deletion rather than compaction</li>
+ <li><code>offset.storage.topic</code> (default <code>connect-offsets</code>) - topic to use for storing offsets; this topic should have many partitions, be replicated, and be configured for compaction</li>
+ <li><code>status.storage.topic</code> (default <code>connect-status</code>) - topic to use for storing statuses; this topic can have multiple partitions, and should be replicated and configured for compaction</li>
+ </ul>
+
+ <p>Note that in distributed mode the connector configurations are not passed on the command line. Instead, use the REST API described below to create, modify, and destroy connectors.</p>
+
+
+ <h4><a id="connect_configuring" href="#connect_configuring">Configuring Connectors</a></h4>
+
+ <p>Connector configurations are simple key-value mappings. For standalone mode these are defined in a properties file and passed to the Connect process on the command line. In distributed mode, they will be included in the JSON payload for the request that creates (or modifies) the connector.</p>
+
+ <p>Most configurations are connector dependent, so they can't be outlined here. However, there are a few common options:</p>
+
+ <ul>
+ <li><code>name</code> - Unique name for the connector. Attempting to register again with the same name will fail.</li>
+ <li><code>connector.class</code> - The Java class for the connector</li>
+ <li><code>tasks.max</code> - The maximum number of tasks that should be created for this connector. The connector may create fewer tasks if it cannot achieve this level of parallelism.</li>
+ <li><code>key.converter</code> - (optional) Override the default key converter set by the worker.</li>
+ <li><code>value.converter</code> - (optional) Override the default value converter set by the worker.</li>
+ </ul>
+
+ <p>The <code>connector.class</code> config supports several formats: the full name or alias of the class for this connector. If the connector is org.apache.kafka.connect.file.FileStreamSinkConnector, you can either specify this full name or use FileStreamSink or FileStreamSinkConnector to make the configuration a bit shorter.</p>
+
+ <p>Sink connectors also have a few additional options to control their input. Each sink connector must set one of the following:</p>
+ <ul>
+ <li><code>topics</code> - A comma-separated list of topics to use as input for this connector</li>
+ <li><code>topics.regex</code> - A Java regular expression of topics to use as input for this connector</li>
+ </ul>
+
+ <p>For any other options, you should consult the documentation for the connector.</p>
+
+ <h4><a id="connect_transforms" href="#connect_transforms">Transformations</a></h4>
+
+ <p>Connectors can be configured with transformations to make lightweight message-at-a-time modifications. They can be convenient for data massaging and event routing.</p>
+
+ <p>A transformation chain can be specified in the connector configuration.</p>
+
+ <ul>
+ <li><code>transforms</code> - List of aliases for the transformation, specifying the order in which the transformations will be applied.</li>
+ <li><code>transforms.$alias.type</code> - Fully qualified class name for the transformation.</li>
+ <li><code>transforms.$alias.$transformationSpecificConfig</code> Configuration properties for the transformation</li>
+ </ul>
+
+ <p>For example, lets take the built-in file source connector and use a transformation to add a static field.</p>
+
+ <p>Throughout the example we'll use schemaless JSON data format. To use schemaless format, we changed the following two lines in <code>connect-standalone.properties</code> from true to false:</p>
+
+ <pre class="brush: text;">
+ key.converter.schemas.enable
+ value.converter.schemas.enable
+ </pre>
+
+ <p>The file source connector reads each line as a String. We will wrap each line in a Map and then add a second field to identify the origin of the event. To do this, we use two transformations:</p>
+ <ul>
+ <li><b>HoistField</b> to place the input line inside a Map</li>
+ <li><b>InsertField</b> to add the static field. In this example we'll indicate that the record came from a file connector</li>
+ </ul>
+
+ <p>After adding the transformations, <code>connect-file-source.properties</code> file looks as following:</p>
+
+ <pre class="brush: text;">
+ name=local-file-source
+ connector.class=FileStreamSource
+ tasks.max=1
+ file=test.txt
+ topic=connect-test
+ transforms=MakeMap, InsertSource
+ transforms.MakeMap.type=org.apache.kafka.connect.transforms.HoistField$Value
+ transforms.MakeMap.field=line
+ transforms.InsertSource.type=org.apache.kafka.connect.transforms.InsertField$Value
+ transforms.InsertSource.static.field=data_source
+ transforms.InsertSource.static.value=test-file-source
+ </pre>
+
+ <p>All the lines starting with <code>transforms</code> were added for the transformations. You can see the two transformations we created: "InsertSource" and "MakeMap" are aliases that we chose to give the transformations. The transformation types are based on the list of built-in transformations you can see below. Each transformation type has additional configuration: HoistField requires a configuration called "field", which is the name of the field in the map that will include the [...]
+
+ <p>When we ran the file source connector on my sample file without the transformations, and then read them using <code>kafka-console-consumer.sh</code>, the results were:</p>
+
+ <pre class="brush: text;">
+ "foo"
+ "bar"
+ "hello world"
+ </pre>
+
+ <p>We then create a new file connector, this time after adding the transformations to the configuration file. This time, the results will be:</p>
+
+ <pre class="brush: json;">
+ {"line":"foo","data_source":"test-file-source"}
+ {"line":"bar","data_source":"test-file-source"}
+ {"line":"hello world","data_source":"test-file-source"}
+ </pre>
+
+ <p>You can see that the lines we've read are now part of a JSON map, and there is an extra field with the static value we specified. This is just one example of what you can do with transformations.</p>
+
+ <h5><a id="connect_included_transformation" href="#connect_included_transformation">Included transformations</a></h5>
+
+ <p>Several widely-applicable data and routing transformations are included with Kafka Connect:</p>
+
+ <ul>
+ <li>InsertField - Add a field using either static data or record metadata</li>
+ <li>ReplaceField - Filter or rename fields</li>
+ <li>MaskField - Replace field with valid null value for the type (0, empty string, etc) or custom replacement (non-empty string or numeric value only)</li>
+ <li>ValueToKey - Replace the record key with a new key formed from a subset of fields in the record value</li>
+ <li>HoistField - Wrap the entire event as a single field inside a Struct or a Map</li>
+ <li>ExtractField - Extract a specific field from Struct and Map and include only this field in results</li>
+ <li>SetSchemaMetadata - modify the schema name or version</li>
+ <li>TimestampRouter - Modify the topic of a record based on original topic and timestamp. Useful when using a sink that needs to write to different tables or indexes based on timestamps</li>
+ <li>RegexRouter - modify the topic of a record based on original topic, replacement string and a regular expression</li>
+ <li>Filter - Removes messages from all further processing. This is used with a <a href="#connect_predicates">predicate</a> to selectively filter certain messages.</li>
+ </ul>
+
+ <p>Details on how to configure each transformation are listed below:</p>
+
+
+ <!--#include virtual="generated/connect_transforms.html" -->
+
+
+ <h5><a id="connect_predicates" href="#connect_predicates">Predicates</a></h5>
+
+ <p>Transformations can be configured with predicates so that the transformation is applied only to messages which satisfy some condition. In particular, when combined with the <b>Filter</b> transformation predicates can be used to selectively filter out certain messages.</p>
+
+ <p>Predicates are specified in the connector configuration.</p>
+
+ <ul>
+ <li><code>predicates</code> - Set of aliases for the predicates to be applied to some of the transformations.</li>
+ <li><code>predicates.$alias.type</code> - Fully qualified class name for the predicate.</li>
+ <li><code>predicates.$alias.$predicateSpecificConfig</code> - Configuration properties for the predicate.</li>
+ </ul>
+
+ <p>All transformations have the implicit config properties <code>predicate</code> and <code>negate</code>. A predicular predicate is associated with a transformation by setting the transformation's <code>predicate</code> config to the predicate's alias. The predicate's value can be reversed using the <code>negate</code> configuration property.</p>
+
+ <p>For example, suppose you have a source connector which produces messages to many different topics and you want to:</p>
+ <ul>
+ <li>filter out the messages in the 'foo' topic entirely</li>
+ <li>apply the ExtractField transformation with the field name 'other_field' to records in all topics <i>except</i> the topic 'bar'</li>
+ </ul>
+
+ <p>To do this we need first to filter out the records destined for the topic 'foo'. The Filter transformation removes records from further processing, and can use the TopicNameMatches predicate to apply the transformation only to records in topics which match a certain regular expression. TopicNameMatches's only configuration property is <code>pattern</code> which is a Java regular expression for matching against the topic name. The configuration would look like this:</p>
+
+ <pre class="brush: text;">
+ transforms=Filter
+ transforms.Filter.type=org.apache.kafka.connect.transforms.Filter
+ transforms.Filter.predicate=IsFoo
+
+ predicates=IsFoo
+ predicates.IsFoo.type=org.apache.kafka.connect.predicates.TopicNameMatches
+ predicates.IsFoo.pattern=foo
+ </pre>
+
+ <p>Next we need to apply ExtractField only when the topic name of the record is not 'bar'. We can't just use TopicNameMatches directly, because that would apply the transformation to matching topic names, not topic names which do <i>not</i> match. The transformation's implicit <code>negate</code> config properties allows us to invert the set of records which a predicate matches. Adding the configuration for this to the previous example we arrive at:</p>
+
+ <pre class="brush: text;">
+ transforms=Filter,Extract
+ transforms.Filter.type=org.apache.kafka.connect.transforms.Filter
+ transforms.Filter.predicate=IsFoo
+
+ transforms.Extract.type=org.apache.kafka.connect.transforms.ExtractField$Key
+ transforms.Extract.field=other_field
+ transforms.Extract.predicate=IsBar
+ transforms.Extract.negate=true
+
+ predicates=IsFoo,IsBar
+ predicates.IsFoo.type=org.apache.kafka.connect.predicates.TopicNameMatches
+ predicates.IsFoo.pattern=foo
+
+ predicates.IsBar.type=org.apache.kafka.connect.predicates.TopicNameMatches
+ predicates.IsBar.pattern=bar
+ </pre>
+
+ <p>Kafka Connect includes the following predicates:</p>
+
+ <ul>
+ <li><code>TopicNameMatches</code> - matches records in a topic with a name matching a particular Java regular expression.</li>
+ <li><code>HasHeaderKey</code> - matches records which have a header with the given key.</li>
+ <li><code>RecordIsTombstone</code> - matches tombstone records, that is records with a null value.</li>
+ </ul>
+
+ <p>Details on how to configure each predicate are listed below:</p>
+
+ <!--#include virtual="generated/connect_predicates.html" -->
+
+
+ <h4><a id="connect_rest" href="#connect_rest">REST API</a></h4>
+
+ <p>Since Kafka Connect is intended to be run as a service, it also provides a REST API for managing connectors. The REST API server can be configured using the <code>listeners</code> configuration option.
+ This field should contain a list of listeners in the following format: <code>protocol://host:port,protocol2://host2:port2</code>. Currently supported protocols are <code>http</code> and <code>https</code>.
+ For example:</p>
+
+ <pre class="brush: text;">
+ listeners=http://localhost:8080,https://localhost:8443
+ </pre>
+
+ <p>By default, if no <code>listeners</code> are specified, the REST server runs on port 8083 using the HTTP protocol. When using HTTPS, the configuration has to include the SSL configuration.
+ By default, it will use the <code>ssl.*</code> settings. In case it is needed to use different configuration for the REST API than for connecting to Kafka brokers, the fields can be prefixed with <code>listeners.https</code>.
+ When using the prefix, only the prefixed options will be used and the <code>ssl.*</code> options without the prefix will be ignored. Following fields can be used to configure HTTPS for the REST API:</p>
+
+ <ul>
+ <li><code>ssl.keystore.location</code></li>
+ <li><code>ssl.keystore.password</code></li>
+ <li><code>ssl.keystore.type</code></li>
+ <li><code>ssl.key.password</code></li>
+ <li><code>ssl.truststore.location</code></li>
+ <li><code>ssl.truststore.password</code></li>
+ <li><code>ssl.truststore.type</code></li>
+ <li><code>ssl.enabled.protocols</code></li>
+ <li><code>ssl.provider</code></li>
+ <li><code>ssl.protocol</code></li>
+ <li><code>ssl.cipher.suites</code></li>
+ <li><code>ssl.keymanager.algorithm</code></li>
+ <li><code>ssl.secure.random.implementation</code></li>
+ <li><code>ssl.trustmanager.algorithm</code></li>
+ <li><code>ssl.endpoint.identification.algorithm</code></li>
+ <li><code>ssl.client.auth</code></li>
+ </ul>
+
+ <p>The REST API is used not only by users to monitor / manage Kafka Connect. It is also used for the Kafka Connect cross-cluster communication. Requests received on the follower nodes REST API will be forwarded to the leader node REST API.
+ In case the URI under which is given host reachable is different from the URI which it listens on, the configuration options <code>rest.advertised.host.name</code>, <code>rest.advertised.port</code> and <code>rest.advertised.listener</code>
+ can be used to change the URI which will be used by the follower nodes to connect with the leader. When using both HTTP and HTTPS listeners, the <code>rest.advertised.listener</code> option can be also used to define which listener
+ will be used for the cross-cluster communication. When using HTTPS for communication between nodes, the same <code>ssl.*</code> or <code>listeners.https</code> options will be used to configure the HTTPS client.</p>
+
+ <p>The following are the currently supported REST API endpoints:</p>
+
+ <ul>
+ <li><code>GET /connectors</code> - return a list of active connectors</li>
+ <li><code>POST /connectors</code> - create a new connector; the request body should be a JSON object containing a string <code>name</code> field and an object <code>config</code> field with the connector configuration parameters</li>
+ <li><code>GET /connectors/{name}</code> - get information about a specific connector</li>
+ <li><code>GET /connectors/{name}/config</code> - get the configuration parameters for a specific connector</li>
+ <li><code>PUT /connectors/{name}/config</code> - update the configuration parameters for a specific connector</li>
+ <li><code>GET /connectors/{name}/status</code> - get current status of the connector, including if it is running, failed, paused, etc., which worker it is assigned to, error information if it has failed, and the state of all its tasks</li>
+ <li><code>GET /connectors/{name}/tasks</code> - get a list of tasks currently running for a connector</li>
+ <li><code>GET /connectors/{name}/tasks/{taskid}/status</code> - get current status of the task, including if it is running, failed, paused, etc., which worker it is assigned to, and error information if it has failed</li>
+ <li><code>PUT /connectors/{name}/pause</code> - pause the connector and its tasks, which stops message processing until the connector is resumed</li>
+ <li><code>PUT /connectors/{name}/resume</code> - resume a paused connector (or do nothing if the connector is not paused)</li>
+ <li><code>POST /connectors/{name}/restart</code> - restart a connector (typically because it has failed)</li>
+ <li><code>POST /connectors/{name}/tasks/{taskId}/restart</code> - restart an individual task (typically because it has failed)</li>
+ <li><code>DELETE /connectors/{name}</code> - delete a connector, halting all tasks and deleting its configuration</li>
+ <li><code>GET /connectors/{name}/topics</code> - get the set of topics that a specific connector is using since the connector was created or since a request to reset its set of active topics was issued</li>
+ <li><code>PUT /connectors/{name}/topics/reset</code> - send a request to empty the set of active topics of a connector</li>
+ </ul>
+
+ <p>Kafka Connect also provides a REST API for getting information about connector plugins:</p>
+
+ <ul>
+ <li><code>GET /connector-plugins</code>- return a list of connector plugins installed in the Kafka Connect cluster. Note that the API only checks for connectors on the worker that handles the request, which means you may see inconsistent results, especially during a rolling upgrade if you add new connector jars</li>
+ <li><code>PUT /connector-plugins/{connector-type}/config/validate</code> - validate the provided configuration values against the configuration definition. This API performs per config validation, returns suggested values and error messages during validation.</li>
+ </ul>
+
+ <p>The following is a supported REST request at the top-level (root) endpoint:</p>
+
+ <ul>
+ <li><code>GET /</code>- return basic information about the Kafka Connect cluster such as the version of the Connect worker that serves the REST request (including git commit ID of the source code) and the Kafka cluster ID that is connected to.
+ </ul>
+
+ <h4><a id="connect_errorreporting" href="#connect_errorreporting">Error Reporting in Connect</a></h4>
+
+ <p>Kafka Connect provides error reporting to handle errors encountered along various stages of processing. By default, any error encountered during conversion or within transformations will cause the connector to fail. Each connector configuration can also enable tolerating such errors by skipping them, optionally writing each error and the details of the failed operation and problematic record (with various levels of detail) to the Connect application log. These mechanisms also capt [...]
+
+ <p>To report errors within a connector's converter, transforms, or within the sink connector itself to the log, set <code>errors.log.enable=true</code> in the connector configuration to log details of each error and problem record's topic, partition, and offset. For additional debugging purposes, set <code>errors.log.include.messages=true</code> to also log the problem record key, value, and headers to the log (note this may log sensitive information).</p>
+
+ <p>To report errors within a connector's converter, transforms, or within the sink connector itself to a dead letter queue topic, set <code>errors.deadletterqueue.topic.name</code>, and optionally <code>errors.deadletterqueue.context.headers.enable=true</code>.</p>
+
+ <p>By default connectors exhibit "fail fast" behavior immediately upon an error or exception. This is equivalent to adding the following configuration properties with their defaults to a connector configuration:</p>
+
+ <pre class="brush: text;">
+ # disable retries on failure
+ errors.retry.timeout=0
+
+ # do not log the error and their contexts
+ errors.log.enable=false
+
+ # do not record errors in a dead letter queue topic
+ errors.deadletterqueue.topic.name=
+
+ # Fail on first error
+ errors.tolerance=none
+ </pre>
+
+ <p>These and other related connector configuration properties can be changed to provide different behavior. For example, the following configuration properties can be added to a connector configuration to setup error handling with multiple retries, logging to the application logs and the <code>my-connector-errors</code> Kafka topic, and tolerating all errors by reporting them rather than failing the connector task:</p>
+
+ <pre class="brush: text;">
+ # retry for at most 10 minutes times waiting up to 30 seconds between consecutive failures
+ errors.retry.timeout=600000
+ errors.retry.delay.max.ms=30000
+
+ # log error context along with application logs, but do not include configs and messages
+ errors.log.enable=true
+ errors.log.include.messages=false
+
+ # produce error context into the Kafka topic
+ errors.deadletterqueue.topic.name=my-connector-errors
+
+ # Tolerate all errors.
+ errors.tolerance=all
+ </pre>
+
+ <h3><a id="connect_development" href="#connect_development">8.3 Connector Development Guide</a></h3>
+
+ <p>This guide describes how developers can write new connectors for Kafka Connect to move data between Kafka and other systems. It briefly reviews a few key concepts and then describes how to create a simple connector.</p>
+
+ <h4><a id="connect_concepts" href="#connect_concepts">Core Concepts and APIs</a></h4>
+
+ <h5><a id="connect_connectorsandtasks" href="#connect_connectorsandtasks">Connectors and Tasks</a></h5>
+
+ <p>To copy data between Kafka and another system, users create a <code>Connector</code> for the system they want to pull data from or push data to. Connectors come in two flavors: <code>SourceConnectors</code> import data from another system (e.g. <code>JDBCSourceConnector</code> would import a relational database into Kafka) and <code>SinkConnectors</code> export data (e.g. <code>HDFSSinkConnector</code> would export the contents of a Kafka topic to an HDFS file).</p>
+
+ <p><code>Connectors</code> do not perform any data copying themselves: their configuration describes the data to be copied, and the <code>Connector</code> is responsible for breaking that job into a set of <code>Tasks</code> that can be distributed to workers. These <code>Tasks</code> also come in two corresponding flavors: <code>SourceTask</code> and <code>SinkTask</code>.</p>
+
+ <p>With an assignment in hand, each <code>Task</code> must copy its subset of the data to or from Kafka. In Kafka Connect, it should always be possible to frame these assignments as a set of input and output streams consisting of records with consistent schemas. Sometimes this mapping is obvious: each file in a set of log files can be considered a stream with each parsed line forming a record using the same schema and offsets stored as byte offsets in the file. In other cases it may [...]
+
+
+ <h5><a id="connect_streamsandrecords" href="#connect_streamsandrecords">Streams and Records</a></h5>
+
+ <p>Each stream should be a sequence of key-value records. Both the keys and values can have complex structure -- many primitive types are provided, but arrays, objects, and nested data structures can be represented as well. The runtime data format does not assume any particular serialization format; this conversion is handled internally by the framework.</p>
+
+ <p>In addition to the key and value, records (both those generated by sources and those delivered to sinks) have associated stream IDs and offsets. These are used by the framework to periodically commit the offsets of data that have been processed so that in the event of failures, processing can resume from the last committed offsets, avoiding unnecessary reprocessing and duplication of events.</p>
+
+ <h5><a id="connect_dynamicconnectors" href="#connect_dynamicconnectors">Dynamic Connectors</a></h5>
+
+ <p>Not all jobs are static, so <code>Connector</code> implementations are also responsible for monitoring the external system for any changes that might require reconfiguration. For example, in the <code>JDBCSourceConnector</code> example, the <code>Connector</code> might assign a set of tables to each <code>Task</code>. When a new table is created, it must discover this so it can assign the new table to one of the <code>Tasks</code> by updating its configuration. When it notices a c [...]
+
+
+ <h4><a id="connect_developing" href="#connect_developing">Developing a Simple Connector</a></h4>
+
+ <p>Developing a connector only requires implementing two interfaces, the <code>Connector</code> and <code>Task</code>. A simple example is included with the source code for Kafka in the <code>file</code> package. This connector is meant for use in standalone mode and has implementations of a <code>SourceConnector</code>/<code>SourceTask</code> to read each line of a file and emit it as a record and a <code>SinkConnector</code>/<code>SinkTask</code> that writes each record to a file.</p>
+
+ <p>The rest of this section will walk through some code to demonstrate the key steps in creating a connector, but developers should also refer to the full example source code as many details are omitted for brevity.</p>
+
+ <h5><a id="connect_connectorexample" href="#connect_connectorexample">Connector Example</a></h5>
+
+ <p>We'll cover the <code>SourceConnector</code> as a simple example. <code>SinkConnector</code> implementations are very similar. Start by creating the class that inherits from <code>SourceConnector</code> and add a couple of fields that will store parsed configuration information (the filename to read from and the topic to send data to):</p>
+
+ <pre class="brush: java;">
+ public class FileStreamSourceConnector extends SourceConnector {
+ private String filename;
+ private String topic;
+ </pre>
+
+ <p>The easiest method to fill in is <code>taskClass()</code>, which defines the class that should be instantiated in worker processes to actually read the data:</p>
+
+ <pre class="brush: java;">
+ @Override
+ public Class<? extends Task> taskClass() {
+ return FileStreamSourceTask.class;
+ }
+ </pre>
+
+ <p>We will define the <code>FileStreamSourceTask</code> class below. Next, we add some standard lifecycle methods, <code>start()</code> and <code>stop()</code>:</p>
+
+ <pre class="brush: java;">
+ @Override
+ public void start(Map<String, String> props) {
+ // The complete version includes error handling as well.
+ filename = props.get(FILE_CONFIG);
+ topic = props.get(TOPIC_CONFIG);
+ }
+
+ @Override
+ public void stop() {
+ // Nothing to do since no background monitoring is required.
+ }
+ </pre>
+
+ <p>Finally, the real core of the implementation is in <code>taskConfigs()</code>. In this case we are only
+ handling a single file, so even though we may be permitted to generate more tasks as per the
+ <code>maxTasks</code> argument, we return a list with only one entry:</p>
+
+ <pre class="brush: java;">
+ @Override
+ public List<Map<String, String>> taskConfigs(int maxTasks) {
+ ArrayList<Map<String, String>> configs = new ArrayList<>();
+ // Only one input stream makes sense.
+ Map<String, String> config = new HashMap<>();
+ if (filename != null)
+ config.put(FILE_CONFIG, filename);
+ config.put(TOPIC_CONFIG, topic);
+ configs.add(config);
+ return configs;
+ }
+ </pre>
+
+ <p>Although not used in the example, <code>SourceTask</code> also provides two APIs to commit offsets in the source system: <code>commit</code> and <code>commitRecord</code>. The APIs are provided for source systems which have an acknowledgement mechanism for messages. Overriding these methods allows the source connector to acknowledge messages in the source system, either in bulk or individually, once they have been written to Kafka.
+ The <code>commit</code> API stores the offsets in the source system, up to the offsets that have been returned by <code>poll</code>. The implementation of this API should block until the commit is complete. The <code>commitRecord</code> API saves the offset in the source system for each <code>SourceRecord</code> after it is written to Kafka. As Kafka Connect will record offsets automatically, <code>SourceTask</code>s are not required to implement them. In cases where a connector does [...]
+
+ <p>Even with multiple tasks, this method implementation is usually pretty simple. It just has to determine the number of input tasks, which may require contacting the remote service it is pulling data from, and then divvy them up. Because some patterns for splitting work among tasks are so common, some utilities are provided in <code>ConnectorUtils</code> to simplify these cases.</p>
+
+ <p>Note that this simple example does not include dynamic input. See the discussion in the next section for how to trigger updates to task configs.</p>
+
+ <h5><a id="connect_taskexample" href="#connect_taskexample">Task Example - Source Task</a></h5>
+
+ <p>Next we'll describe the implementation of the corresponding <code>SourceTask</code>. The implementation is short, but too long to cover completely in this guide. We'll use pseudo-code to describe most of the implementation, but you can refer to the source code for the full example.</p>
+
+ <p>Just as with the connector, we need to create a class inheriting from the appropriate base <code>Task</code> class. It also has some standard lifecycle methods:</p>
+
+
+ <pre class="brush: java;">
+ public class FileStreamSourceTask extends SourceTask {
+ String filename;
+ InputStream stream;
+ String topic;
+
+ @Override
+ public void start(Map<String, String> props) {
+ filename = props.get(FileStreamSourceConnector.FILE_CONFIG);
+ stream = openOrThrowError(filename);
+ topic = props.get(FileStreamSourceConnector.TOPIC_CONFIG);
+ }
+
+ @Override
+ public synchronized void stop() {
+ stream.close();
+ }
+ </pre>
+
+ <p>These are slightly simplified versions, but show that these methods should be relatively simple and the only work they should perform is allocating or freeing resources. There are two points to note about this implementation. First, the <code>start()</code> method does not yet handle resuming from a previous offset, which will be addressed in a later section. Second, the <code>stop()</code> method is synchronized. This will be necessary because <code>SourceTasks</code> are given a [...]
+
+ <p>Next, we implement the main functionality of the task, the <code>poll()</code> method which gets events from the input system and returns a <code>List<SourceRecord></code>:</p>
+
+ <pre class="brush: java;">
+ @Override
+ public List<SourceRecord> poll() throws InterruptedException {
+ try {
+ ArrayList<SourceRecord> records = new ArrayList<>();
+ while (streamValid(stream) && records.isEmpty()) {
+ LineAndOffset line = readToNextLine(stream);
+ if (line != null) {
+ Map<String, Object> sourcePartition = Collections.singletonMap("filename", filename);
+ Map<String, Object> sourceOffset = Collections.singletonMap("position", streamOffset);
+ records.add(new SourceRecord(sourcePartition, sourceOffset, topic, Schema.STRING_SCHEMA, line));
+ } else {
+ Thread.sleep(1);
+ }
+ }
+ return records;
+ } catch (IOException e) {
+ // Underlying stream was killed, probably as a result of calling stop. Allow to return
+ // null, and driving thread will handle any shutdown if necessary.
+ }
+ return null;
+ }
+ </pre>
+
+ <p>Again, we've omitted some details, but we can see the important steps: the <code>poll()</code> method is going to be called repeatedly, and for each call it will loop trying to read records from the file. For each line it reads, it also tracks the file offset. It uses this information to create an output <code>SourceRecord</code> with four pieces of information: the source partition (there is only one, the single file being read), source offset (byte offset in the file), output to [...]
+
+ <p>Note that this implementation uses the normal Java <code>InputStream</code> interface and may sleep if data is not available. This is acceptable because Kafka Connect provides each task with a dedicated thread. While task implementations have to conform to the basic <code>poll()</code> interface, they have a lot of flexibility in how they are implemented. In this case, an NIO-based implementation would be more efficient, but this simple approach works, is quick to implement, and i [...]
+
+ <h5><a id="connect_sinktasks" href="#connect_sinktasks">Sink Tasks</a></h5>
+
+ <p>The previous section described how to implement a simple <code>SourceTask</code>. Unlike <code>SourceConnector</code> and <code>SinkConnector</code>, <code>SourceTask</code> and <code>SinkTask</code> have very different interfaces because <code>SourceTask</code> uses a pull interface and <code>SinkTask</code> uses a push interface. Both share the common lifecycle methods, but the <code>SinkTask</code> interface is quite different:</p>
+
+ <pre class="brush: java;">
+ public abstract class SinkTask implements Task {
+ public void initialize(SinkTaskContext context) {
+ this.context = context;
+ }
+
+ public abstract void put(Collection<SinkRecord> records);
+
+ public void flush(Map<TopicPartition, OffsetAndMetadata> currentOffsets) {
+ }
+ </pre>
+
+ <p>The <code>SinkTask</code> documentation contains full details, but this interface is nearly as simple as the <code>SourceTask</code>. The <code>put()</code> method should contain most of the implementation, accepting sets of <code>SinkRecords</code>, performing any required translation, and storing them in the destination system. This method does not need to ensure the data has been fully written to the destination system before returning. In fact, in many cases internal buffering [...]
+
+ <p>The <code>flush()</code> method is used during the offset commit process, which allows tasks to recover from failures and resume from a safe point such that no events will be missed. The method should push any outstanding data to the destination system and then block until the write has been acknowledged. The <code>offsets</code> parameter can often be ignored, but is useful in some cases where implementations want to store offset information in the destination store to provide ex [...]
+ delivery. For example, an HDFS connector could do this and use atomic move operations to make sure the <code>flush()</code> operation atomically commits the data and offsets to a final location in HDFS.</p>
+
+ <h5><a id="connect_errantrecordreporter" href="connect_errantrecordreporter">Errant Record Reporter</a></h5>
+
+ <p>When <a href="#connect_errorreporting">error reporting</a> is enabled for a connector, the connector can use an <code>ErrantRecordReporter</code> to report problems with individual records sent to a sink connector. The following example shows how a connector's <code>SinkTask</code> subclass might obtain and use the <code>ErrantRecordReporter</code>, safely handling a null reporter when the DLQ is not enabled or when the connector is installed in an older Connect runtime that doesn [...]
+
+ <pre class="brush: java;">
+ private ErrantRecordReporter reporter;
+
+ @Override
+ public void start(Map<String, String> props) {
+ ...
+ try {
+ reporter = context.errantRecordReporter(); // may be null if DLQ not enabled
+ } catch (NoSuchMethodException | NoClassDefFoundError e) {
+ // Will occur in Connect runtimes earlier than 2.6
+ reporter = null;
+ }
+ }
+
+ @Override
+ public void put(Collection<SinkRecord> records) {
+ for (SinkRecord record: records) {
+ try {
+ // attempt to process and send record to data sink
+ process(record);
+ } catch(Exception e) {
+ if (reporter != null) {
+ // Send errant record to error reporter
+ reporter.report(record, e);
+ } else {
+ // There's no error reporter, so fail
+ throw new ConnectException("Failed on record", e);
+ }
+ }
+ }
+ }
+ </pre>
+
+ <h5><a id="connect_resuming" href="#connect_resuming">Resuming from Previous Offsets</a></h5>
+
+ <p>The <code>SourceTask</code> implementation included a stream ID (the input filename) and offset (position in the file) with each record. The framework uses this to commit offsets periodically so that in the case of a failure, the task can recover and minimize the number of events that are reprocessed and possibly duplicated (or to resume from the most recent offset if Kafka Connect was stopped gracefully, e.g. in standalone mode or due to a job reconfiguration). This commit proces [...]
+
+ <p>To correctly resume upon startup, the task can use the <code>SourceContext</code> passed into its <code>initialize()</code> method to access the offset data. In <code>initialize()</code>, we would add a bit more code to read the offset (if it exists) and seek to that position:</p>
+
+ <pre class="brush: java;">
+ stream = new FileInputStream(filename);
+ Map<String, Object> offset = context.offsetStorageReader().offset(Collections.singletonMap(FILENAME_FIELD, filename));
+ if (offset != null) {
+ Long lastRecordedOffset = (Long) offset.get("position");
+ if (lastRecordedOffset != null)
+ seekToOffset(stream, lastRecordedOffset);
+ }
+ </pre>
+
+ <p>Of course, you might need to read many keys for each of the input streams. The <code>OffsetStorageReader</code> interface also allows you to issue bulk reads to efficiently load all offsets, then apply them by seeking each input stream to the appropriate position.</p>
+
+ <h4><a id="connect_dynamicio" href="#connect_dynamicio">Dynamic Input/Output Streams</a></h4>
+
+ <p>Kafka Connect is intended to define bulk data copying jobs, such as copying an entire database rather than creating many jobs to copy each table individually. One consequence of this design is that the set of input or output streams for a connector can vary over time.</p>
+
+ <p>Source connectors need to monitor the source system for changes, e.g. table additions/deletions in a database. When they pick up changes, they should notify the framework via the <code>ConnectorContext</code> object that reconfiguration is necessary. For example, in a <code>SourceConnector</code>:</p>
+
+ <pre class="brush: java;">
+ if (inputsChanged())
+ this.context.requestTaskReconfiguration();
+ </pre>
+
+ <p>The framework will promptly request new configuration information and update the tasks, allowing them to gracefully commit their progress before reconfiguring them. Note that in the <code>SourceConnector</code> this monitoring is currently left up to the connector implementation. If an extra thread is required to perform this monitoring, the connector must allocate it itself.</p>
+
+ <p>Ideally this code for monitoring changes would be isolated to the <code>Connector</code> and tasks would not need to worry about them. However, changes can also affect tasks, most commonly when one of their input streams is destroyed in the input system, e.g. if a table is dropped from a database. If the <code>Task</code> encounters the issue before the <code>Connector</code>, which will be common if the <code>Connector</code> needs to poll for changes, the <code>Task</code> will [...]
+
+ <p><code>SinkConnectors</code> usually only have to handle the addition of streams, which may translate to new entries in their outputs (e.g., a new database table). The framework manages any changes to the Kafka input, such as when the set of input topics changes because of a regex subscription. <code>SinkTasks</code> should expect new input streams, which may require creating new resources in the downstream system, such as a new table in a database. The trickiest situation to handl [...]
+
+ <h4><a id="connect_configs" href="#connect_configs">Connect Configuration Validation</a></h4>
+
+ <p>Kafka Connect allows you to validate connector configurations before submitting a connector to be executed and can provide feedback about errors and recommended values. To take advantage of this, connector developers need to provide an implementation of <code>config()</code> to expose the configuration definition to the framework.</p>
+
+ <p>The following code in <code>FileStreamSourceConnector</code> defines the configuration and exposes it to the framework.</p>
+
+ <pre class="brush: java;">
+ private static final ConfigDef CONFIG_DEF = new ConfigDef()
+ .define(FILE_CONFIG, Type.STRING, Importance.HIGH, "Source filename.")
+ .define(TOPIC_CONFIG, Type.STRING, Importance.HIGH, "The topic to publish data to");
+
+ public ConfigDef config() {
+ return CONFIG_DEF;
+ }
+ </pre>
+
+ <p><code>ConfigDef</code> class is used for specifying the set of expected configurations. For each configuration, you can specify the name, the type, the default value, the documentation, the group information, the order in the group, the width of the configuration value and the name suitable for display in the UI. Plus, you can provide special validation logic used for single configuration validation by overriding the <code>Validator</code> class. Moreover, as there may be dependen [...]
+
+ <p>Also, the <code>validate()</code> method in <code>Connector</code> provides a default validation implementation which returns a list of allowed configurations together with configuration errors and recommended values for each configuration. However, it does not use the recommended values for configuration validation. You may provide an override of the default implementation for customized configuration validation, which may use the recommended values.</p>
+
+ <h4><a id="connect_schemas" href="#connect_schemas">Working with Schemas</a></h4>
+
+ <p>The FileStream connectors are good examples because they are simple, but they also have trivially structured data -- each line is just a string. Almost all practical connectors will need schemas with more complex data formats.</p>
+
+ <p>To create more complex data, you'll need to work with the Kafka Connect <code>data</code> API. Most structured records will need to interact with two classes in addition to primitive types: <code>Schema</code> and <code>Struct</code>.</p>
+
+ <p>The API documentation provides a complete reference, but here is a simple example creating a <code>Schema</code> and <code>Struct</code>:</p>
+
+ <pre class="brush: java;">
+ Schema schema = SchemaBuilder.struct().name(NAME)
+ .field("name", Schema.STRING_SCHEMA)
+ .field("age", Schema.INT_SCHEMA)
+ .field("admin", SchemaBuilder.bool().defaultValue(false).build())
+ .build();
+
+ Struct struct = new Struct(schema)
+ .put("name", "Barbara Liskov")
+ .put("age", 75);
+ </pre>
+
+ <p>If you are implementing a source connector, you'll need to decide when and how to create schemas. Where possible, you should avoid recomputing them as much as possible. For example, if your connector is guaranteed to have a fixed schema, create it statically and reuse a single instance.</p>
+
+ <p>However, many connectors will have dynamic schemas. One simple example of this is a database connector. Considering even just a single table, the schema will not be predefined for the entire connector (as it varies from table to table). But it also may not be fixed for a single table over the lifetime of the connector since the user may execute an <code>ALTER TABLE</code> command. The connector must be able to detect these changes and react appropriately.</p>
+
+ <p>Sink connectors are usually simpler because they are consuming data and therefore do not need to create schemas. However, they should take just as much care to validate that the schemas they receive have the expected format. When the schema does not match -- usually indicating the upstream producer is generating invalid data that cannot be correctly translated to the destination system -- sink connectors should throw an exception to indicate this error to the system.</p>
+
+ <h4><a id="connect_administration" href="#connect_administration">Kafka Connect Administration</a></h4>
+
+ <p>
+ Kafka Connect's <a href="#connect_rest">REST layer</a> provides a set of APIs to enable administration of the cluster. This includes APIs to view the configuration of connectors and the status of their tasks, as well as to alter their current behavior (e.g. changing configuration and restarting tasks).
+ </p>
+
+ <p>
+ When a connector is first submitted to the cluster, a rebalance is triggered between the Connect workers in order to distribute the load that consists of the tasks of the new connector.
+ This same rebalancing procedure is also used when connectors increase or decrease the number of tasks they require, when a connector's configuration is changed, or when a
+ worker is added or removed from the group as part of an intentional upgrade of the Connect cluster or due to a failure.
+ </p>
+
+ <p>
+ In versions prior to 2.3.0, the Connect workers would rebalance the full set of connectors and their tasks in the cluster as a simple way to make sure that each worker has approximately the same amount of work.
+ This behavior can be still enabled by setting <code>connect.protocol=eager</code>.
+ </p>
+
+ <p>
+ Starting with 2.3.0, Kafka Connect is using by default a protocol that performs
+ <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-415%3A+Incremental+Cooperative+Rebalancing+in+Kafka+Connect">incremental cooperative rebalancing</a>
+ that incrementally balances the connectors and tasks across the Connect workers, affecting only tasks that are new, to be removed, or need to move from one worker to another.
+ Other tasks are not stopped and restarted during the rebalance, as they would have been with the old protocol.
+ </p>
+
+ <p>
+ If a Connect worker leaves the group, intentionally or due to a failure, Connect waits for <code>scheduled.rebalance.max.delay.ms</code> before triggering a rebalance.
+ This delay defaults to five minutes (<code>300000ms</code>) to tolerate failures or upgrades of workers without immediately redistributing the load of a departing worker.
+ If this worker returns within the configured delay, it gets its previously assigned tasks in full.
+ However, this means that the tasks will remain unassigned until the time specified by <code>scheduled.rebalance.max.delay.ms</code> elapses.
+ If a worker does not return within that time limit, Connect will reassign those tasks among the remaining workers in the Connect cluster.
+ </p>
+
+ <p>
+ The new Connect protocol is enabled when all the workers that form the Connect cluster are configured with <code>connect.protocol=compatible</code>, which is also the default value when this property is missing.
+ Therefore, upgrading to the new Connect protocol happens automatically when all the workers upgrade to 2.3.0.
+ A rolling upgrade of the Connect cluster will activate incremental cooperative rebalancing when the last worker joins on version 2.3.0.
+ </p>
+
+ <p>
+ You can use the REST API to view the current status of a connector and its tasks, including the ID of the worker to which each was assigned. For example, the <code>GET /connectors/file-source/status</code> request shows the status of a connector named <code>file-source</code>:
+ </p>
+
+ <pre class="brush: json;">
+ {
+ "name": "file-source",
+ "connector": {
+ "state": "RUNNING",
+ "worker_id": "192.168.1.208:8083"
+ },
+ "tasks": [
+ {
+ "id": 0,
+ "state": "RUNNING",
+ "worker_id": "192.168.1.209:8083"
+ }
+ ]
+ }
+ </pre>
+
+ <p>
+ Connectors and their tasks publish status updates to a shared topic (configured with <code>status.storage.topic</code>) which all workers in the cluster monitor. Because the workers consume this topic asynchronously, there is typically a (short) delay before a state change is visible through the status API. The following states are possible for a connector or one of its tasks:
+ </p>
+
+ <ul>
+ <li><b>UNASSIGNED:</b> The connector/task has not yet been assigned to a worker.</li>
+ <li><b>RUNNING:</b> The connector/task is running.</li>
+ <li><b>PAUSED:</b> The connector/task has been administratively paused.</li>
+ <li><b>FAILED:</b> The connector/task has failed (usually by raising an exception, which is reported in the status output).</li>
+ <li><b>DESTROYED:</b> The connector/task has been administratively removed and will stop appearing in the Connect cluster.</li>
+ </ul>
+
+ <p>
+ In most cases, connector and task states will match, though they may be different for short periods of time when changes are occurring or if tasks have failed. For example, when a connector is first started, there may be a noticeable delay before the connector and its tasks have all transitioned to the RUNNING state. States will also diverge when tasks fail since Connect does not automatically restart failed tasks. To restart a connector/task manually, you can use the restart APIs li [...]
+ </p>
+
+ <p>
+ Starting with 2.5.0, Kafka Connect uses the <code>status.storage.topic</code> to also store information related to the topics that each connector is using. Connect Workers use these per-connector topic status updates to respond to requests to the REST endpoint <code>GET /connectors/{name}/topics</code> by returning the set of topic names that a connector is using. A request to the REST endpoint <code>PUT /connectors/{name}/topics/reset</code> resets the set of active topics for a con [...]
+ </p>
+
+ <p>
+ It's sometimes useful to temporarily stop the message processing of a connector. For example, if the remote system is undergoing maintenance, it would be preferable for source connectors to stop polling it for new data instead of filling logs with exception spam. For this use case, Connect offers a pause/resume API. While a source connector is paused, Connect will stop polling it for additional records. While a sink connector is paused, Connect will stop pushing new messages to it. T [...]
+ </p>
+</script>
+
+<div class="p-connect"></div>
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+++ b/27/design.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 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.
+-->
+
+<script id="design-template" type="text/x-handlebars-template">
+ <h3 class="anchor-heading"><a id="majordesignelements" class="anchor-link"></a><a href="#majordesignelements">4.1 Motivation</a></h3>
+ <p>
+ We designed Kafka to be able to act as a unified platform for handling all the real-time data feeds <a href="#introduction">a large company might have</a>. To do this we had to think through a fairly broad set of use cases.
+ <p>
+ It would have to have high-throughput to support high volume event streams such as real-time log aggregation.
+ <p>
+ It would need to deal gracefully with large data backlogs to be able to support periodic data loads from offline systems.
+ <p>
+ It also meant the system would have to handle low-latency delivery to handle more traditional messaging use-cases.
+ <p>
+ We wanted to support partitioned, distributed, real-time processing of these feeds to create new, derived feeds. This motivated our partitioning and consumer model.
+ <p>
+ Finally in cases where the stream is fed into other data systems for serving, we knew the system would have to be able to guarantee fault-tolerance in the presence of machine failures.
+ <p>
+ Supporting these uses led us to a design with a number of unique elements, more akin to a database log than a traditional messaging system. We will outline some elements of the design in the following sections.
+
+ <h3 class="anchor-heading"><a id="persistence" class="anchor-link"></a><a href="#persistence">4.2 Persistence</a></h3>
+ <h4><a id="design_filesystem" href="#design_filesystem">Don't fear the filesystem!</a></h4>
+ <p>
+ Kafka relies heavily on the filesystem for storing and caching messages. There is a general perception that "disks are slow" which makes people skeptical that a persistent structure can offer competitive performance.
+ In fact disks are both much slower and much faster than people expect depending on how they are used; and a properly designed disk structure can often be as fast as the network.
+ <p>
+ The key fact about disk performance is that the throughput of hard drives has been diverging from the latency of a disk seek for the last decade. As a result the performance of linear writes on a <a href="http://en.wikipedia.org/wiki/Non-RAID_drive_architectures">JBOD</a>
+ configuration with six 7200rpm SATA RAID-5 array is about 600MB/sec but the performance of random writes is only about 100k/sec—a difference of over 6000X. These linear reads and writes are the most
+ predictable of all usage patterns, and are heavily optimized by the operating system. A modern operating system provides read-ahead and write-behind techniques that prefetch data in large block multiples and
+ group smaller logical writes into large physical writes. A further discussion of this issue can be found in this <a href="http://queue.acm.org/detail.cfm?id=1563874">ACM Queue article</a>; they actually find that
+ <a href="http://deliveryimages.acm.org/10.1145/1570000/1563874/jacobs3.jpg">sequential disk access can in some cases be faster than random memory access!</a>
+ <p>
+ To compensate for this performance divergence, modern operating systems have become increasingly aggressive in their use of main memory for disk caching. A modern OS will happily divert <i>all</i> free memory to
+ disk caching with little performance penalty when the memory is reclaimed. All disk reads and writes will go through this unified cache. This feature cannot easily be turned off without using direct I/O, so even
+ if a process maintains an in-process cache of the data, this data will likely be duplicated in OS pagecache, effectively storing everything twice.
+ <p>
+ Furthermore, we are building on top of the JVM, and anyone who has spent any time with Java memory usage knows two things:
+ <ol>
+ <li>The memory overhead of objects is very high, often doubling the size of the data stored (or worse).</li>
+ <li>Java garbage collection becomes increasingly fiddly and slow as the in-heap data increases.</li>
+ </ol>
+ <p>
+ As a result of these factors using the filesystem and relying on pagecache is superior to maintaining an in-memory cache or other structure—we at least double the available cache by having automatic access
+ to all free memory, and likely double again by storing a compact byte structure rather than individual objects. Doing so will result in a cache of up to 28-30GB on a 32GB machine without GC penalties.
+ Furthermore, this cache will stay warm even if the service is restarted, whereas the in-process cache will need to be rebuilt in memory (which for a 10GB cache may take 10 minutes) or else it will need to start
+ with a completely cold cache (which likely means terrible initial performance). This also greatly simplifies the code as all logic for maintaining coherency between the cache and filesystem is now in the OS,
+ which tends to do so more efficiently and more correctly than one-off in-process attempts. If your disk usage favors linear reads then read-ahead is effectively pre-populating this cache with useful data on each
+ disk read.
+ <p>
+ This suggests a design which is very simple: rather than maintain as much as possible in-memory and flush it all out to the filesystem in a panic when we run out of space, we invert that. All data is immediately
+ written to a persistent log on the filesystem without necessarily flushing to disk. In effect this just means that it is transferred into the kernel's pagecache.
+ <p>
+ This style of pagecache-centric design is described in an <a href="http://varnish-cache.org/wiki/ArchitectNotes">article</a> on the design of Varnish here (along with a healthy dose of arrogance).
+
+ <h4 class="anchor-heading"><a id="design_constanttime" class="anchor-link"></a><a href="#design_constanttime">Constant Time Suffices</a></h4>
+ <p>
+ The persistent data structure used in messaging systems are often a per-consumer queue with an associated BTree or other general-purpose random access data structures to maintain metadata about messages.
+ BTrees are the most versatile data structure available, and make it possible to support a wide variety of transactional and non-transactional semantics in the messaging system.
+ They do come with a fairly high cost, though: Btree operations are O(log N). Normally O(log N) is considered essentially equivalent to constant time, but this is not true for disk operations.
+ Disk seeks come at 10 ms a pop, and each disk can do only one seek at a time so parallelism is limited. Hence even a handful of disk seeks leads to very high overhead.
+ Since storage systems mix very fast cached operations with very slow physical disk operations, the observed performance of tree structures is often superlinear as data increases with fixed cache--i.e. doubling
+ your data makes things much worse than twice as slow.
+ <p>
+ Intuitively a persistent queue could be built on simple reads and appends to files as is commonly the case with logging solutions. This structure has the advantage that all operations are O(1) and reads do not
+ block writes or each other. This has obvious performance advantages since the performance is completely decoupled from the data size—one server can now take full advantage of a number of cheap,
+ low-rotational speed 1+TB SATA drives. Though they have poor seek performance, these drives have acceptable performance for large reads and writes and come at 1/3 the price and 3x the capacity.
+ <p>
+ Having access to virtually unlimited disk space without any performance penalty means that we can provide some features not usually found in a messaging system. For example, in Kafka, instead of attempting to
+ delete messages as soon as they are consumed, we can retain messages for a relatively long period (say a week). This leads to a great deal of flexibility for consumers, as we will describe.
+
+ <h3 class="anchor-heading"><a id="maximizingefficiency" class="anchor-link"></a><a href="#maximizingefficiency">4.3 Efficiency</a></h3>
+ <p>
+ We have put significant effort into efficiency. One of our primary use cases is handling web activity data, which is very high volume: each page view may generate dozens of writes. Furthermore, we assume each
+ message published is read by at least one consumer (often many), hence we strive to make consumption as cheap as possible.
+ <p>
+ We have also found, from experience building and running a number of similar systems, that efficiency is a key to effective multi-tenant operations. If the downstream infrastructure service can easily become a
+ bottleneck due to a small bump in usage by the application, such small changes will often create problems. By being very fast we help ensure that the application will tip-over under load before the infrastructure.
+ This is particularly important when trying to run a centralized service that supports dozens or hundreds of applications on a centralized cluster as changes in usage patterns are a near-daily occurrence.
+ <p>
+ We discussed disk efficiency in the previous section. Once poor disk access patterns have been eliminated, there are two common causes of inefficiency in this type of system: too many small I/O operations, and
+ excessive byte copying.
+ <p>
+ The small I/O problem happens both between the client and the server and in the server's own persistent operations.
+ <p>
+ To avoid this, our protocol is built around a "message set" abstraction that naturally groups messages together. This allows network requests to group messages together and amortize the overhead of the network
+ roundtrip rather than sending a single message at a time. The server in turn appends chunks of messages to its log in one go, and the consumer fetches large linear chunks at a time.
+ <p>
+ This simple optimization produces orders of magnitude speed up. Batching leads to larger network packets, larger sequential disk operations, contiguous memory blocks, and so on, all of which allows Kafka to turn
+ a bursty stream of random message writes into linear writes that flow to the consumers.
+ <p>
+ The other inefficiency is in byte copying. At low message rates this is not an issue, but under load the impact is significant. To avoid this we employ a standardized binary message format that is shared by the
+ producer, the broker, and the consumer (so data chunks can be transferred without modification between them).
+ <p>
+ The message log maintained by the broker is itself just a directory of files, each populated by a sequence of message sets that have been written to disk in the same format used by the producer and consumer.
+ Maintaining this common format allows optimization of the most important operation: network transfer of persistent log chunks. Modern unix operating systems offer a highly optimized code path for transferring data
+ out of pagecache to a socket; in Linux this is done with the <a href="http://man7.org/linux/man-pages/man2/sendfile.2.html">sendfile system call</a>.
+ <p>
+ To understand the impact of sendfile, it is important to understand the common data path for transfer of data from file to socket:
+ <ol>
+ <li>The operating system reads data from the disk into pagecache in kernel space</li>
+ <li>The application reads the data from kernel space into a user-space buffer</li>
+ <li>The application writes the data back into kernel space into a socket buffer</li>
+ <li>The operating system copies the data from the socket buffer to the NIC buffer where it is sent over the network</li>
+ </ol>
+ <p>
+ This is clearly inefficient, there are four copies and two system calls. Using sendfile, this re-copying is avoided by allowing the OS to send the data from pagecache to the network directly. So in this optimized
+ path, only the final copy to the NIC buffer is needed.
+ <p>
+ We expect a common use case to be multiple consumers on a topic. Using the zero-copy optimization above, data is copied into pagecache exactly once and reused on each consumption instead of being stored in memory
+ and copied out to user-space every time it is read. This allows messages to be consumed at a rate that approaches the limit of the network connection.
+ <p>
+ This combination of pagecache and sendfile means that on a Kafka cluster where the consumers are mostly caught up you will see no read activity on the disks whatsoever as they will be serving data entirely from cache.
+ <p>
+ For more background on the sendfile and zero-copy support in Java, see this <a href="https://developer.ibm.com/articles/j-zerocopy/">article</a>.
+
+ <h4 class="anchor-heading"><a id="design_compression" class="anchor-link"></a><a href="#design_compression">End-to-end Batch Compression</a></h4>
+ <p>
+ In some cases the bottleneck is actually not CPU or disk but network bandwidth. This is particularly true for a data pipeline that needs to send messages between data centers over a wide-area network. Of course,
+ the user can always compress its messages one at a time without any support needed from Kafka, but this can lead to very poor compression ratios as much of the redundancy is due to repetition between messages of
+ the same type (e.g. field names in JSON or user agents in web logs or common string values). Efficient compression requires compressing multiple messages together rather than compressing each message individually.
+ <p>
+ Kafka supports this with an efficient batching format. A batch of messages can be clumped together compressed and sent to the server in this form. This batch of messages will be written in compressed form and will
+ remain compressed in the log and will only be decompressed by the consumer.
+ <p>
+ Kafka supports GZIP, Snappy, LZ4 and ZStandard compression protocols. More details on compression can be found <a href="https://cwiki.apache.org/confluence/display/KAFKA/Compression">here</a>.
+
+ <h3 class="anchor-heading"><a id="theproducer" class="anchor-link"></a><a href="#theproducer">4.4 The Producer</a></h3>
+
+ <h4 class="anchor-heading"><a id="design_loadbalancing" class="anchor-link"></a><a href="#design_loadbalancing">Load balancing</a></h4>
+ <p>
+ The producer sends data directly to the broker that is the leader for the partition without any intervening routing tier. To help the producer do this all Kafka nodes can answer a request for metadata about which
+ servers are alive and where the leaders for the partitions of a topic are at any given time to allow the producer to appropriately direct its requests.
+ <p>
+ The client controls which partition it publishes messages to. This can be done at random, implementing a kind of random load balancing, or it can be done by some semantic partitioning function. We expose the interface
+ for semantic partitioning by allowing the user to specify a key to partition by and using this to hash to a partition (there is also an option to override the partition function if need be). For example if the key
+ chosen was a user id then all data for a given user would be sent to the same partition. This in turn will allow consumers to make locality assumptions about their consumption. This style of partitioning is explicitly
+ designed to allow locality-sensitive processing in consumers.
+
+ <h4 class="anchor-heading"><a id="design_asyncsend" class="anchor-link"></a><a href="#design_asyncsend">Asynchronous send</a></h4>
+ <p>
+ Batching is one of the big drivers of efficiency, and to enable batching the Kafka producer will attempt to accumulate data in memory and to send out larger batches in a single request. The batching can be configured
+ to accumulate no more than a fixed number of messages and to wait no longer than some fixed latency bound (say 64k or 10 ms). This allows the accumulation of more bytes to send, and few larger I/O operations on the
+ servers. This buffering is configurable and gives a mechanism to trade off a small amount of additional latency for better throughput.
+ <p>
+ Details on <a href="#producerconfigs">configuration</a> and the <a href="http://kafka.apache.org/082/javadoc/index.html?org/apache/kafka/clients/producer/KafkaProducer.html">api</a> for the producer can be found
+ elsewhere in the documentation.
+
+ <h3 class="anchor-heading"><a id="theconsumer" class="anchor-link"></a><a href="#theconsumer">4.5 The Consumer</a></h3>
+
+ The Kafka consumer works by issuing "fetch" requests to the brokers leading the partitions it wants to consume. The consumer specifies its offset in the log with each request and receives back a chunk of log
+ beginning from that position. The consumer thus has significant control over this position and can rewind it to re-consume data if need be.
+
+ <h4 class="anchor-heading"><a id="design_pull" class="anchor-link"></a><a href="#design_pull">Push vs. pull</a></h4>
+ <p>
+ An initial question we considered is whether consumers should pull data from brokers or brokers should push data to the consumer. In this respect Kafka follows a more traditional design, shared by most messaging
+ systems, where data is pushed to the broker from the producer and pulled from the broker by the consumer. Some logging-centric systems, such as <a href="http://github.com/facebook/scribe">Scribe</a> and
+ <a href="http://flume.apache.org/">Apache Flume</a>, follow a very different push-based path where data is pushed downstream. There are pros and cons to both approaches. However, a push-based system has difficulty
+ dealing with diverse consumers as the broker controls the rate at which data is transferred. The goal is generally for the consumer to be able to consume at the maximum possible rate; unfortunately, in a push
+ system this means the consumer tends to be overwhelmed when its rate of consumption falls below the rate of production (a denial of service attack, in essence). A pull-based system has the nicer property that
+ the consumer simply falls behind and catches up when it can. This can be mitigated with some kind of backoff protocol by which the consumer can indicate it is overwhelmed, but getting the rate of transfer to
+ fully utilize (but never over-utilize) the consumer is trickier than it seems. Previous attempts at building systems in this fashion led us to go with a more traditional pull model.
+ <p>
+ Another advantage of a pull-based system is that it lends itself to aggressive batching of data sent to the consumer. A push-based system must choose to either send a request immediately or accumulate more data
+ and then send it later without knowledge of whether the downstream consumer will be able to immediately process it. If tuned for low latency, this will result in sending a single message at a time only for the
+ transfer to end up being buffered anyway, which is wasteful. A pull-based design fixes this as the consumer always pulls all available messages after its current position in the log (or up to some configurable max
+ size). So one gets optimal batching without introducing unnecessary latency.
+ <p>
+ The deficiency of a naive pull-based system is that if the broker has no data the consumer may end up polling in a tight loop, effectively busy-waiting for data to arrive. To avoid this we have parameters in our
+ pull request that allow the consumer request to block in a "long poll" waiting until data arrives (and optionally waiting until a given number of bytes is available to ensure large transfer sizes).
+ <p>
+ You could imagine other possible designs which would be only pull, end-to-end. The producer would locally write to a local log, and brokers would pull from that with consumers pulling from them. A similar type of
+ "store-and-forward" producer is often proposed. This is intriguing but we felt not very suitable for our target use cases which have thousands of producers. Our experience running persistent data systems at
+ scale led us to feel that involving thousands of disks in the system across many applications would not actually make things more reliable and would be a nightmare to operate. And in practice we have found that we
+ can run a pipeline with strong SLAs at large scale without a need for producer persistence.
+
+ <h4 class="anchor-heading"><a id="design_consumerposition" class="anchor-link"></a><a href="#design_consumerposition">Consumer Position</a></h4>
+ Keeping track of <i>what</i> has been consumed is, surprisingly, one of the key performance points of a messaging system.
+ <p>
+ Most messaging systems keep metadata about what messages have been consumed on the broker. That is, as a message is handed out to a consumer, the broker either records that fact locally immediately or it may wait
+ for acknowledgement from the consumer. This is a fairly intuitive choice, and indeed for a single machine server it is not clear where else this state could go. Since the data structures used for storage in many
+ messaging systems scale poorly, this is also a pragmatic choice--since the broker knows what is consumed it can immediately delete it, keeping the data size small.
+ <p>
+ What is perhaps not obvious is that getting the broker and consumer to come into agreement about what has been consumed is not a trivial problem. If the broker records a message as <b>consumed</b> immediately every
+ time it is handed out over the network, then if the consumer fails to process the message (say because it crashes or the request times out or whatever) that message will be lost. To solve this problem, many messaging
+ systems add an acknowledgement feature which means that messages are only marked as <b>sent</b> not <b>consumed</b> when they are sent; the broker waits for a specific acknowledgement from the consumer to record the
+ message as <b>consumed</b>. This strategy fixes the problem of losing messages, but creates new problems. First of all, if the consumer processes the message but fails before it can send an acknowledgement then the
+ message will be consumed twice. The second problem is around performance, now the broker must keep multiple states about every single message (first to lock it so it is not given out a second time, and then to mark
+ it as permanently consumed so that it can be removed). Tricky problems must be dealt with, like what to do with messages that are sent but never acknowledged.
+ <p>
+ Kafka handles this differently. Our topic is divided into a set of totally ordered partitions, each of which is consumed by exactly one consumer within each subscribing consumer group at any given time. This means
+ that the position of a consumer in each partition is just a single integer, the offset of the next message to consume. This makes the state about what has been consumed very small, just one number for each partition.
+ This state can be periodically checkpointed. This makes the equivalent of message acknowledgements very cheap.
+ <p>
+ There is a side benefit of this decision. A consumer can deliberately <i>rewind</i> back to an old offset and re-consume data. This violates the common contract of a queue, but turns out to be an essential feature
+ for many consumers. For example, if the consumer code has a bug and is discovered after some messages are consumed, the consumer can re-consume those messages once the bug is fixed.
+
+ <h4 class="anchor-heading"><a id="design_offlineload" class="anchor-link"></a><a href="#design_offlineload">Offline Data Load</a></h4>
+
+ Scalable persistence allows for the possibility of consumers that only periodically consume such as batch data loads that periodically bulk-load data into an offline system such as Hadoop or a relational data
+ warehouse.
+ <p>
+ In the case of Hadoop we parallelize the data load by splitting the load over individual map tasks, one for each node/topic/partition combination, allowing full parallelism in the loading. Hadoop provides the task
+ management, and tasks which fail can restart without danger of duplicate data—they simply restart from their original position.
+
+ <h4 class="anchor-heading"><a id="static_membership" class="anchor-link"></a><a href="#static_membership">Static Membership</a></h4>
+ Static membership aims to improve the availability of stream applications, consumer groups and other applications built on top of the group rebalance protocol.
+ The rebalance protocol relies on the group coordinator to allocate entity ids to group members. These generated ids are ephemeral and will change when members restart and rejoin.
+ For consumer based apps, this "dynamic membership" can cause a large percentage of tasks re-assigned to different instances during administrative operations
+ such as code deploys, configuration updates and periodic restarts. For large state applications, shuffled tasks need a long time to recover their local states before processing
+ and cause applications to be partially or entirely unavailable. Motivated by this observation, Kafka’s group management protocol allows group members to provide persistent entity ids.
+ Group membership remains unchanged based on those ids, thus no rebalance will be triggered.
+ <p>
+ If you want to use static membership,
+ <ul>
+ <li>Upgrade both broker cluster and client apps to 2.3 or beyond, and also make sure the upgraded brokers are using <code>inter.broker.protocol.version</code>
+ of 2.3 or beyond as well.</li>
+ <li>Set the config <code>ConsumerConfig#GROUP_INSTANCE_ID_CONFIG</code> to a unique value for each consumer instance under one group.</li>
+ <li>For Kafka Streams applications, it is sufficient to set a unique <code>ConsumerConfig#GROUP_INSTANCE_ID_CONFIG</code> per KafkaStreams instance,
+ independent of the number of used threads for an instance.</li>
+ </ul>
+ If your broker is on an older version than 2.3, but you choose to set <code>ConsumerConfig#GROUP_INSTANCE_ID_CONFIG</code> on the client side, the application will detect
+ the broker version and then throws an UnsupportedException. If you accidentally configure duplicate ids for different instances,
+ a fencing mechanism on broker side will inform your duplicate client to shutdown immediately by triggering a <code>org.apache.kafka.common.errors.FencedInstanceIdException</code>.
+ For more details, see
+ <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances">KIP-345</a>
+
+ <h3 class="anchor-heading"><a id="semantics" class="anchor-link"></a><a href="#semantics">4.6 Message Delivery Semantics</a></h3>
+ <p>
+ Now that we understand a little about how producers and consumers work, let's discuss the semantic guarantees Kafka provides between producer and consumer. Clearly there are multiple possible message delivery
+ guarantees that could be provided:
+ <ul>
+ <li>
+ <i>At most once</i>—Messages may be lost but are never redelivered.
+ </li>
+ <li>
+ <i>At least once</i>—Messages are never lost but may be redelivered.
+ </li>
+ <li>
+ <i>Exactly once</i>—this is what people actually want, each message is delivered once and only once.
+ </li>
+ </ul>
+
+ It's worth noting that this breaks down into two problems: the durability guarantees for publishing a message and the guarantees when consuming a message.
+ <p>
+ Many systems claim to provide "exactly once" delivery semantics, but it is important to read the fine print, most of these claims are misleading (i.e. they don't translate to the case where consumers or producers
+ can fail, cases where there are multiple consumer processes, or cases where data written to disk can be lost).
+ <p>
+ Kafka's semantics are straight-forward. When publishing a message we have a notion of the message being "committed" to the log. Once a published message is committed it will not be lost as long as one broker that
+ replicates the partition to which this message was written remains "alive". The definition of committed message, alive partition as well as a description of which types of failures we attempt to handle will be
+ described in more detail in the next section. For now let's assume a perfect, lossless broker and try to understand the guarantees to the producer and consumer. If a producer attempts to publish a message and
+ experiences a network error it cannot be sure if this error happened before or after the message was committed. This is similar to the semantics of inserting into a database table with an autogenerated key.
+ <p>
+ Prior to 0.11.0.0, if a producer failed to receive a response indicating that a message was committed, it had little choice but to resend the message. This provides at-least-once delivery semantics since the
+ message may be written to the log again during resending if the original request had in fact succeeded. Since 0.11.0.0, the Kafka producer also supports an idempotent delivery option which guarantees that resending
+ will not result in duplicate entries in the log. To achieve this, the broker assigns each producer an ID and deduplicates messages using a sequence number that is sent by the producer along with every message.
+ Also beginning with 0.11.0.0, the producer supports the ability to send messages to multiple topic partitions using transaction-like semantics: i.e. either all messages are successfully written or none of them are.
+ The main use case for this is exactly-once processing between Kafka topics (described below).
+ <p>
+ Not all use cases require such strong guarantees. For uses which are latency sensitive we allow the producer to specify the durability level it desires. If the producer specifies that it wants to wait on the message
+ being committed this can take on the order of 10 ms. However the producer can also specify that it wants to perform the send completely asynchronously or that it wants to wait only until the leader (but not
+ necessarily the followers) have the message.
+ <p>
+ Now let's describe the semantics from the point-of-view of the consumer. All replicas have the exact same log with the same offsets. The consumer controls its position in this log. If the consumer never crashed it
+ could just store this position in memory, but if the consumer fails and we want this topic partition to be taken over by another process the new process will need to choose an appropriate position from which to start
+ processing. Let's say the consumer reads some messages -- it has several options for processing the messages and updating its position.
+ <ol>
+ <li>It can read the messages, then save its position in the log, and finally process the messages. In this case there is a possibility that the consumer process crashes after saving its position but before saving
+ the output of its message processing. In this case the process that took over processing would start at the saved position even though a few messages prior to that position had not been processed. This corresponds
+ to "at-most-once" semantics as in the case of a consumer failure messages may not be processed.
+ <li>It can read the messages, process the messages, and finally save its position. In this case there is a possibility that the consumer process crashes after processing messages but before saving its position.
+ In this case when the new process takes over the first few messages it receives will already have been processed. This corresponds to the "at-least-once" semantics in the case of consumer failure. In many cases
+ messages have a primary key and so the updates are idempotent (receiving the same message twice just overwrites a record with another copy of itself).
+ </ol>
+ <p>
+ So what about exactly once semantics (i.e. the thing you actually want)? When consuming from a Kafka topic and producing to another topic (as in a <a href="https://kafka.apache.org/documentation/streams">Kafka Streams</a>
+ application), we can leverage the new transactional producer capabilities in 0.11.0.0 that were mentioned above. The consumer's position is stored as a message in a topic, so we can write the offset to Kafka in the
+ same transaction as the output topics receiving the processed data. If the transaction is aborted, the consumer's position will revert to its old value and the produced data on the output topics will not be visible
+ to other consumers, depending on their "isolation level." In the default "read_uncommitted" isolation level, all messages are visible to consumers even if they were part of an aborted transaction,
+ but in "read_committed," the consumer will only return messages from transactions which were committed (and any messages which were not part of a transaction).
+ <p>
+ When writing to an external system, the limitation is in the need to coordinate the consumer's position with what is actually stored as output. The classic way of achieving this would be to introduce a two-phase
+ commit between the storage of the consumer position and the storage of the consumers output. But this can be handled more simply and generally by letting the consumer store its offset in the same place as
+ its output. This is better because many of the output systems a consumer might want to write to will not support a two-phase commit. As an example of this, consider a
+ <a href="https://kafka.apache.org/documentation/#connect">Kafka Connect</a> connector which populates data in HDFS along with the offsets of the data it reads so that it is guaranteed that either data and
+ offsets are both updated or neither is. We follow similar patterns for many other data systems which require these stronger semantics and for which the messages do not have a primary key to allow for deduplication.
+ <p>
+ So effectively Kafka supports exactly-once delivery in <a href="https://kafka.apache.org/documentation/streams">Kafka Streams</a>, and the transactional producer/consumer can be used generally to provide
+ exactly-once delivery when transferring and processing data between Kafka topics. Exactly-once delivery for other destination systems generally requires cooperation with such systems, but Kafka provides the
+ offset which makes implementing this feasible (see also <a href="https://kafka.apache.org/documentation/#connect">Kafka Connect</a>). Otherwise, Kafka guarantees at-least-once delivery by default, and allows
+ the user to implement at-most-once delivery by disabling retries on the producer and committing offsets in the consumer prior to processing a batch of messages.
+
+ <h3 class="anchor-heading"><a id="replication" class="anchor-link"></a><a href="#replication">4.7 Replication</a></h3>
+ <p>
+ Kafka replicates the log for each topic's partitions across a configurable number of servers (you can set this replication factor on a topic-by-topic basis). This allows automatic failover to these replicas when a
+ server in the cluster fails so messages remain available in the presence of failures.
+ <p>
+ Other messaging systems provide some replication-related features, but, in our (totally biased) opinion, this appears to be a tacked-on thing, not heavily used, and with large downsides: replicas are inactive,
+ throughput is heavily impacted, it requires fiddly manual configuration, etc. Kafka is meant to be used with replication by default—in fact we implement un-replicated topics as replicated topics where the
+ replication factor is one.
+ <p>
+ The unit of replication is the topic partition. Under non-failure conditions, each partition in Kafka has a single leader and zero or more followers. The total number of replicas including the leader constitute the
+ replication factor. All reads and writes go to the leader of the partition. Typically, there are many more partitions than brokers and the leaders are evenly distributed among brokers. The logs on the followers are
+ identical to the leader's log—all have the same offsets and messages in the same order (though, of course, at any given time the leader may have a few as-yet unreplicated messages at the end of its log).
+ <p>
+ Followers consume messages from the leader just as a normal Kafka consumer would and apply them to their own log. Having the followers pull from the leader has the nice property of allowing the follower to naturally
+ batch together log entries they are applying to their log.
+ <p>
+ As with most distributed systems automatically handling failures requires having a precise definition of what it means for a node to be "alive". For Kafka node liveness has two conditions
+ <ol>
+ <li>A node must be able to maintain its session with ZooKeeper (via ZooKeeper's heartbeat mechanism)
+ <li>If it is a follower it must replicate the writes happening on the leader and not fall "too far" behind
+ </ol>
+ We refer to nodes satisfying these two conditions as being "in sync" to avoid the vagueness of "alive" or "failed". The leader keeps track of the set of "in sync" nodes. If a follower dies, gets stuck, or falls
+ behind, the leader will remove it from the list of in sync replicas. The determination of stuck and lagging replicas is controlled by the replica.lag.time.max.ms configuration.
+ <p>
+ In distributed systems terminology we only attempt to handle a "fail/recover" model of failures where nodes suddenly cease working and then later recover (perhaps without knowing that they have died). Kafka does not
+ handle so-called "Byzantine" failures in which nodes produce arbitrary or malicious responses (perhaps due to bugs or foul play).
+ <p>
+ We can now more precisely define that a message is considered committed when all in sync replicas for that partition have applied it to their log.
+ Only committed messages are ever given out to the consumer. This means that the consumer need not worry about potentially seeing a message that could be lost if the leader fails. Producers, on the other hand,
+ have the option of either waiting for the message to be committed or not, depending on their preference for tradeoff between latency and durability. This preference is controlled by the acks setting that the
+ producer uses.
+ Note that topics have a setting for the "minimum number" of in-sync replicas that is checked when the producer requests acknowledgment that a message
+ has been written to the full set of in-sync replicas. If a less stringent acknowledgement is requested by the producer, then the message can be committed, and consumed,
+ even if the number of in-sync replicas is lower than the minimum (e.g. it can be as low as just the leader).
+ <p>
+ The guarantee that Kafka offers is that a committed message will not be lost, as long as there is at least one in sync replica alive, at all times.
+ <p>
+ Kafka will remain available in the presence of node failures after a short fail-over period, but may not remain available in the presence of network partitions.
+
+ <h4><a id="design_replicatedlog" href="#design_replicatedlog">Replicated Logs: Quorums, ISRs, and State Machines (Oh my!)</a></h4>
+
+ At its heart a Kafka partition is a replicated log. The replicated log is one of the most basic primitives in distributed data systems, and there are many approaches for implementing one. A replicated log can be
+ used by other systems as a primitive for implementing other distributed systems in the <a href="http://en.wikipedia.org/wiki/State_machine_replication">state-machine style</a>.
+ <p>
+ A replicated log models the process of coming into consensus on the order of a series of values (generally numbering the log entries 0, 1, 2, ...). There are many ways to implement this, but the simplest and fastest
+ is with a leader who chooses the ordering of values provided to it. As long as the leader remains alive, all followers need to only copy the values and ordering the leader chooses.
+ <p>
+ Of course if leaders didn't fail we wouldn't need followers! When the leader does die we need to choose a new leader from among the followers. But followers themselves may fall behind or crash so we must ensure we
+ choose an up-to-date follower. The fundamental guarantee a log replication algorithm must provide is that if we tell the client a message is committed, and the leader fails, the new leader we elect must also have
+ that message. This yields a tradeoff: if the leader waits for more followers to acknowledge a message before declaring it committed then there will be more potentially electable leaders.
+ <p>
+ If you choose the number of acknowledgements required and the number of logs that must be compared to elect a leader such that there is guaranteed to be an overlap, then this is called a Quorum.
+ <p>
+ A common approach to this tradeoff is to use a majority vote for both the commit decision and the leader election. This is not what Kafka does, but let's explore it anyway to understand the tradeoffs. Let's say we
+ have 2<i>f</i>+1 replicas. If <i>f</i>+1 replicas must receive a message prior to a commit being declared by the leader, and if we elect a new leader by electing the follower with the most complete log from at least
+ <i>f</i>+1 replicas, then, with no more than <i>f</i> failures, the leader is guaranteed to have all committed messages. This is because among any <i>f</i>+1 replicas, there must be at least one replica that contains
+ all committed messages. That replica's log will be the most complete and therefore will be selected as the new leader. There are many remaining details that each algorithm must handle (such as precisely defined what
+ makes a log more complete, ensuring log consistency during leader failure or changing the set of servers in the replica set) but we will ignore these for now.
+ <p>
+ This majority vote approach has a very nice property: the latency is dependent on only the fastest servers. That is, if the replication factor is three, the latency is determined by the faster follower not the slower one.
+ <p>
+ There are a rich variety of algorithms in this family including ZooKeeper's
+ <a href="http://web.archive.org/web/20140602093727/http://www.stanford.edu/class/cs347/reading/zab.pdf">Zab</a>,
+ <a href="https://www.usenix.org/system/files/conference/atc14/atc14-paper-ongaro.pdf">Raft</a>,
+ and <a href="http://pmg.csail.mit.edu/papers/vr-revisited.pdf">Viewstamped Replication</a>.
+ The most similar academic publication we are aware of to Kafka's actual implementation is
+ <a href="http://research.microsoft.com/apps/pubs/default.aspx?id=66814">PacificA</a> from Microsoft.
+ <p>
+ The downside of majority vote is that it doesn't take many failures to leave you with no electable leaders. To tolerate one failure requires three copies of the data, and to tolerate two failures requires five copies
+ of the data. In our experience having only enough redundancy to tolerate a single failure is not enough for a practical system, but doing every write five times, with 5x the disk space requirements and 1/5th the
+ throughput, is not very practical for large volume data problems. This is likely why quorum algorithms more commonly appear for shared cluster configuration such as ZooKeeper but are less common for primary data
+ storage. For example in HDFS the namenode's high-availability feature is built on a <a href="http://blog.cloudera.com/blog/2012/10/quorum-based-journaling-in-cdh4-1">majority-vote-based journal</a>, but this more
+ expensive approach is not used for the data itself.
+ <p>
+ Kafka takes a slightly different approach to choosing its quorum set. Instead of majority vote, Kafka dynamically maintains a set of in-sync replicas (ISR) that are caught-up to the leader. Only members of this set
+ are eligible for election as leader. A write to a Kafka partition is not considered committed until <i>all</i> in-sync replicas have received the write. This ISR set is persisted to ZooKeeper whenever it changes.
+ Because of this, any replica in the ISR is eligible to be elected leader. This is an important factor for Kafka's usage model where there are many partitions and ensuring leadership balance is important.
+ With this ISR model and <i>f+1</i> replicas, a Kafka topic can tolerate <i>f</i> failures without losing committed messages.
+ <p>
+ For most use cases we hope to handle, we think this tradeoff is a reasonable one. In practice, to tolerate <i>f</i> failures, both the majority vote and the ISR approach will wait for the same number of replicas to
+ acknowledge before committing a message (e.g. to survive one failure a majority quorum needs three replicas and one acknowledgement and the ISR approach requires two replicas and one acknowledgement).
+ The ability to commit without the slowest servers is an advantage of the majority vote approach. However, we think it is ameliorated by allowing the client to choose whether they block on the message commit or not,
+ and the additional throughput and disk space due to the lower required replication factor is worth it.
+ <p>
+ Another important design distinction is that Kafka does not require that crashed nodes recover with all their data intact. It is not uncommon for replication algorithms in this space to depend on the existence of
+ "stable storage" that cannot be lost in any failure-recovery scenario without potential consistency violations. There are two primary problems with this assumption. First, disk errors are the most common problem we
+ observe in real operation of persistent data systems and they often do not leave data intact. Secondly, even if this were not a problem, we do not want to require the use of fsync on every write for our consistency
+ guarantees as this can reduce performance by two to three orders of magnitude. Our protocol for allowing a replica to rejoin the ISR ensures that before rejoining, it must fully re-sync again even if it lost unflushed
+ data in its crash.
+
+ <h4><a id="design_uncleanleader" href="#design_uncleanleader">Unclean leader election: What if they all die?</a></h4>
+
+ Note that Kafka's guarantee with respect to data loss is predicated on at least one replica remaining in sync. If all the nodes replicating a partition die, this guarantee no longer holds.
+ <p>
+ However a practical system needs to do something reasonable when all the replicas die. If you are unlucky enough to have this occur, it is important to consider what will happen. There are two behaviors that could be
+ implemented:
+ <ol>
+ <li>Wait for a replica in the ISR to come back to life and choose this replica as the leader (hopefully it still has all its data).
+ <li>Choose the first replica (not necessarily in the ISR) that comes back to life as the leader.
+ </ol>
+ <p>
+ This is a simple tradeoff between availability and consistency. If we wait for replicas in the ISR, then we will remain unavailable as long as those replicas are down. If such replicas were destroyed or their data
+ was lost, then we are permanently down. If, on the other hand, a non-in-sync replica comes back to life and we allow it to become leader, then its log becomes the source of truth even though it is not guaranteed to
+ have every committed message. By default from version 0.11.0.0, Kafka chooses the first strategy and favor waiting for a consistent replica. This behavior can be changed using
+ configuration property unclean.leader.election.enable, to support use cases where uptime is preferable to consistency.
+ <p>
+ This dilemma is not specific to Kafka. It exists in any quorum-based scheme. For example in a majority voting scheme, if a majority of servers suffer a permanent failure, then you must either choose to lose 100% of
+ your data or violate consistency by taking what remains on an existing server as your new source of truth.
+
+
+ <h4 class="anchor-heading"><a id="design_ha" class="anchor-link"></a><a href="#design_ha">Availability and Durability Guarantees</a></h4>
+
+ When writing to Kafka, producers can choose whether they wait for the message to be acknowledged by 0,1 or all (-1) replicas.
+ Note that "acknowledgement by all replicas" does not guarantee that the full set of assigned replicas have received the message. By default, when acks=all, acknowledgement happens as soon as all the current in-sync
+ replicas have received the message. For example, if a topic is configured with only two replicas and one fails (i.e., only one in sync replica remains), then writes that specify acks=all will succeed. However, these
+ writes could be lost if the remaining replica also fails.
+
+ Although this ensures maximum availability of the partition, this behavior may be undesirable to some users who prefer durability over availability. Therefore, we provide two topic-level configurations that can be
+ used to prefer message durability over availability:
+ <ol>
+ <li> Disable unclean leader election - if all replicas become unavailable, then the partition will remain unavailable until the most recent leader becomes available again. This effectively prefers unavailability
+ over the risk of message loss. See the previous section on Unclean Leader Election for clarification. </li>
+ <li> Specify a minimum ISR size - the partition will only accept writes if the size of the ISR is above a certain minimum, in order to prevent the loss of messages that were written to just a single replica,
+ which subsequently becomes unavailable. This setting only takes effect if the producer uses acks=all and guarantees that the message will be acknowledged by at least this many in-sync replicas.
+ This setting offers a trade-off between consistency and availability. A higher setting for minimum ISR size guarantees better consistency since the message is guaranteed to be written to more replicas which reduces
+ the probability that it will be lost. However, it reduces availability since the partition will be unavailable for writes if the number of in-sync replicas drops below the minimum threshold. </li>
+ </ol>
+
+
+ <h4 class="anchor-heading"><a id="design_replicamanagment" class="anchor-link"></a><a href="#design_replicamanagment">Replica Management</a></h4>
+
+ The above discussion on replicated logs really covers only a single log, i.e. one topic partition. However a Kafka cluster will manage hundreds or thousands of these partitions. We attempt to balance partitions
+ within a cluster in a round-robin fashion to avoid clustering all partitions for high-volume topics on a small number of nodes. Likewise we try to balance leadership so that each node is the leader for a proportional
+ share of its partitions.
+ <p>
+ It is also important to optimize the leadership election process as that is the critical window of unavailability. A naive implementation of leader election would end up running an election per partition for all
+ partitions a node hosted when that node failed. Instead, we elect one of the brokers as the "controller". This controller detects failures at the broker level and is responsible for changing the leader of all
+ affected partitions in a failed broker. The result is that we are able to batch together many of the required leadership change notifications which makes the election process far cheaper and faster for a large number
+ of partitions. If the controller fails, one of the surviving brokers will become the new controller.
+
+ <h3 class="anchor-heading"><a id="compaction" class="anchor-link"></a><a href="#compaction">4.8 Log Compaction</a></h3>
+
+ Log compaction ensures that Kafka will always retain at least the last known value for each message key within the log of data for a single topic partition. It addresses use cases and scenarios such as restoring
+ state after application crashes or system failure, or reloading caches after application restarts during operational maintenance. Let's dive into these use cases in more detail and then describe how compaction works.
+ <p>
+ So far we have described only the simpler approach to data retention where old log data is discarded after a fixed period of time or when the log reaches some predetermined size. This works well for temporal event
+ data such as logging where each record stands alone. However an important class of data streams are the log of changes to keyed, mutable data (for example, the changes to a database table).
+ <p>
+ Let's discuss a concrete example of such a stream. Say we have a topic containing user email addresses; every time a user updates their email address we send a message to this topic using their user id as the
+ primary key. Now say we send the following messages over some time period for a user with id 123, each message corresponding to a change in email address (messages for other ids are omitted):
+ <pre class="line-numbers"><code class="language-text"><code> 123 => bill@microsoft.com
+ .
+ .
+ .
+ 123 => bill@gatesfoundation.org
+ .
+ .
+ .
+ 123 => bill@gmail.com</code></pre>
+ Log compaction gives us a more granular retention mechanism so that we are guaranteed to retain at least the last update for each primary key (e.g. <code>bill@gmail.com</code>). By doing this we guarantee that the
+ log contains a full snapshot of the final value for every key not just keys that changed recently. This means downstream consumers can restore their own state off this topic without us having to retain a complete
+ log of all changes.
+ <p>
+ Let's start by looking at a few use cases where this is useful, then we'll see how it can be used.
+ <ol>
+ <li><i>Database change subscription</i>. It is often necessary to have a data set in multiple data systems, and often one of these systems is a database of some kind (either a RDBMS or perhaps a new-fangled key-value
+ store). For example you might have a database, a cache, a search cluster, and a Hadoop cluster. Each change to the database will need to be reflected in the cache, the search cluster, and eventually in Hadoop.
+ In the case that one is only handling the real-time updates you only need recent log. But if you want to be able to reload the cache or restore a failed search node you may need a complete data set.
+ <li><i>Event sourcing</i>. This is a style of application design which co-locates query processing with application design and uses a log of changes as the primary store for the application.
+ <li><i>Journaling for high-availability</i>. A process that does local computation can be made fault-tolerant by logging out changes that it makes to its local state so another process can reload these changes and
+ carry on if it should fail. A concrete example of this is handling counts, aggregations, and other "group by"-like processing in a stream query system. Samza, a real-time stream-processing framework,
+ <a href="http://samza.apache.org/learn/documentation/0.7.0/container/state-management.html">uses this feature</a> for exactly this purpose.
+ </ol>
+ In each of these cases one needs primarily to handle the real-time feed of changes, but occasionally, when a machine crashes or data needs to be re-loaded or re-processed, one needs to do a full load.
+ Log compaction allows feeding both of these use cases off the same backing topic.
+
+ This style of usage of a log is described in more detail in <a href="http://engineering.linkedin.com/distributed-systems/log-what-every-software-engineer-should-know-about-real-time-datas-unifying">this blog post</a>.
+ <p>
+ The general idea is quite simple. If we had infinite log retention, and we logged each change in the above cases, then we would have captured the state of the system at each time from when it first began.
+ Using this complete log, we could restore to any point in time by replaying the first N records in the log. This hypothetical complete log is not very practical for systems that update a single record many times
+ as the log will grow without bound even for a stable dataset. The simple log retention mechanism which throws away old updates will bound space but the log is no longer a way to restore the current state—now
+ restoring from the beginning of the log no longer recreates the current state as old updates may not be captured at all.
+ <p>
+ Log compaction is a mechanism to give finer-grained per-record retention, rather than the coarser-grained time-based retention. The idea is to selectively remove records where we have a more recent update with the
+ same primary key. This way the log is guaranteed to have at least the last state for each key.
+ <p>
+ This retention policy can be set per-topic, so a single cluster can have some topics where retention is enforced by size or time and other topics where retention is enforced by compaction.
+ <p>
+ This functionality is inspired by one of LinkedIn's oldest and most successful pieces of infrastructure—a database changelog caching service called <a href="https://github.com/linkedin/databus">Databus</a>.
+ Unlike most log-structured storage systems Kafka is built for subscription and organizes data for fast linear reads and writes. Unlike Databus, Kafka acts as a source-of-truth store so it is useful even in
+ situations where the upstream data source would not otherwise be replayable.
+
+ <h4 class="anchor-heading"><a id="design_compactionbasics" class="anchor-link"></a><a href="#design_compactionbasics">Log Compaction Basics</a></h4>
+
+ Here is a high-level picture that shows the logical structure of a Kafka log with the offset for each message.
+ <p>
+ <img class="centered" src="/{{version}}/images/log_cleaner_anatomy.png">
+ <p>
+ The head of the log is identical to a traditional Kafka log. It has dense, sequential offsets and retains all messages. Log compaction adds an option for handling the tail of the log. The picture above shows a log
+ with a compacted tail. Note that the messages in the tail of the log retain the original offset assigned when they were first written—that never changes. Note also that all offsets remain valid positions in
+ the log, even if the message with that offset has been compacted away; in this case this position is indistinguishable from the next highest offset that does appear in the log. For example, in the picture above the
+ offsets 36, 37, and 38 are all equivalent positions and a read beginning at any of these offsets would return a message set beginning with 38.
+ <p>
+ Compaction also allows for deletes. A message with a key and a null payload will be treated as a delete from the log. Such a record is sometimes referred to as a <i>tombstone</i>. This delete marker will cause any prior message with that key to be removed (as would any new
+ message with that key), but delete markers are special in that they will themselves be cleaned out of the log after a period of time to free up space. The point in time at which deletes are no longer retained is
+ marked as the "delete retention point" in the above diagram.
+ <p>
+ The compaction is done in the background by periodically recopying log segments. Cleaning does not block reads and can be throttled to use no more than a configurable amount of I/O throughput to avoid impacting
+ producers and consumers. The actual process of compacting a log segment looks something like this:
+ <p>
+ <img class="centered" src="/{{version}}/images/log_compaction.png">
+ <p>
+ <h4 class="anchor-heading">
+ <a class="anchor-link" id="design_compactionguarantees" href="#design_compactionguarantees"></a>
+ <a href="#design_compactionguarantees">What guarantees does log compaction provide</a>?
+ </h4>
+
+ Log compaction guarantees the following:
+ <ol>
+ <li>Any consumer that stays caught-up to within the head of the log will see every message that is written; these messages will have sequential offsets. The topic's <code>min.compaction.lag.ms</code> can be used to
+ guarantee the minimum length of time must pass after a message is written before it could be compacted. I.e. it provides a lower bound on how long each message will remain in the (uncompacted) head.
+ The topic's <code>max.compaction.lag.ms</code> can be used to guarantee the maximum delay between the time a message is written and the time the message becomes eligible for compaction.
+ <li>Ordering of messages is always maintained. Compaction will never re-order messages, just remove some.
+ <li>The offset for a message never changes. It is the permanent identifier for a position in the log.
+ <li>Any consumer progressing from the start of the log will see at least the final state of all records in the order they were written. Additionally, all delete markers for deleted records will be seen, provided
+ the consumer reaches the head of the log in a time period less than the topic's <code>delete.retention.ms</code> setting (the default is 24 hours). In other words: since the removal of delete markers happens
+ concurrently with reads, it is possible for a consumer to miss delete markers if it lags by more than <code>delete.retention.ms</code>.
+ </ol>
+
+ <h4 class="anchor-heading"><a id="design_compactiondetails" class="anchor-link"></a><a href="#design_compactiondetails">Log Compaction Details</a></h4>
+
+ Log compaction is handled by the log cleaner, a pool of background threads that recopy log segment files, removing records whose key appears in the head of the log. Each compactor thread works as follows:
+ <ol>
+ <li>It chooses the log that has the highest ratio of log head to log tail
+ <li>It creates a succinct summary of the last offset for each key in the head of the log
+ <li>It recopies the log from beginning to end removing keys which have a later occurrence in the log. New, clean segments are swapped into the log immediately so the additional disk space required is just one
+ additional log segment (not a fully copy of the log).
+ <li>The summary of the log head is essentially just a space-compact hash table. It uses exactly 24 bytes per entry. As a result with 8GB of cleaner buffer one cleaner iteration can clean around 366GB of log head
+ (assuming 1k messages).
+ </ol>
+ <p>
+ <h4 class="anchor-heading"><a id="design_compactionconfig" class="anchor-link"></a><a href="#design_compactionconfig">Configuring The Log Cleaner</a></h4>
+
+ The log cleaner is enabled by default. This will start the pool of cleaner threads.
+ To enable log cleaning on a particular topic, add the log-specific property
+ <pre class="language-text"><code> log.cleanup.policy=compact</code></pre>
+
+ The <code>log.cleanup.policy</code> property is a broker configuration setting defined
+ in the broker's <code>server.properties</code> file; it affects all of the topics
+ in the cluster that do not have a configuration override in place as documented
+ <a href="/documentation.html#brokerconfigs">here</a>.
+
+ The log cleaner can be configured to retain a minimum amount of the uncompacted "head" of the log. This is enabled by setting the compaction time lag.
+ <pre class="language-text"><code> log.cleaner.min.compaction.lag.ms</code></pre>
+
+ This can be used to prevent messages newer than a minimum message age from being subject to compaction. If not set, all log segments are eligible for compaction except for the last segment, i.e. the one currently
+ being written to. The active segment will not be compacted even if all of its messages are older than the minimum compaction time lag.
+
+ The log cleaner can be configured to ensure a maximum delay after which the uncompacted "head" of the log becomes eligible for log compaction.
+ <pre class="language-text"><code> log.cleaner.max.compaction.lag.ms</code></pre>
+
+ This can be used to prevent log with low produce rate from remaining ineligible for compaction for an unbounded duration. If not set, logs that do not exceed min.cleanable.dirty.ratio are not compacted.
+ Note that this compaction deadline is not a hard guarantee since it is still subjected to the availability of log cleaner threads and the actual compaction time.
+ You will want to monitor the uncleanable-partitions-count, max-clean-time-secs and max-compaction-delay-secs metrics.
+
+ <p>
+ Further cleaner configurations are described <a href="/documentation.html#brokerconfigs">here</a>.
+
+ <h3 class="anchor-heading"><a id="design_quotas" class="anchor-link"></a><a href="#design_quotas">4.9 Quotas</a></h3>
+ <p>
+ Kafka cluster has the ability to enforce quotas on requests to control the broker resources used by clients. Two types
+ of client quotas can be enforced by Kafka brokers for each group of clients sharing a quota:
+ <ol>
+ <li>Network bandwidth quotas define byte-rate thresholds (since 0.9)</li>
+ <li>Request rate quotas define CPU utilization thresholds as a percentage of network and I/O threads (since 0.11)</li>
+ </ol>
+ </p>
+
+ <h4 class="anchor-heading">
+ <a class="anchor-link" id="design_quotasnecessary" href="#design_quotasnecessary"></a>
+ <a href="#design_quotasnecessary">Why are quotas necessary</a>?
+ </h4>
+ <p>
+ It is possible for producers and consumers to produce/consume very high volumes of data or generate requests at a very high
+ rate and thus monopolize broker resources, cause network saturation and generally DOS other clients and the brokers themselves.
+ Having quotas protects against these issues and is all the more important in large multi-tenant clusters where a small set of badly behaved clients can degrade user experience for the well behaved ones.
+ In fact, when running Kafka as a service this even makes it possible to enforce API limits according to an agreed upon contract.
+ </p>
+ <h4 class="anchor-heading"><a id="design_quotasgroups" class="anchor-link"></a><a href="#design_quotasgroups">Client groups</a></h4>
+ The identity of Kafka clients is the user principal which represents an authenticated user in a secure cluster. In a cluster that supports unauthenticated clients, user principal is a grouping of unauthenticated
+ users
+ chosen by the broker using a configurable <code>PrincipalBuilder</code>. Client-id is a logical grouping of clients with a meaningful name chosen by the client application. The tuple (user, client-id) defines
+ a secure logical group of clients that share both user principal and client-id.
+ <p>
+ Quotas can be applied to (user, client-id), user or client-id groups. For a given connection, the most specific quota matching the connection is applied. All connections of a quota group share the quota configured for the group.
+ For example, if (user="test-user", client-id="test-client") has a produce quota of 10MB/sec, this is shared across all producer instances of user "test-user" with the client-id "test-client".
+ </p>
+ <h4 class="anchor-heading"><a id="design_quotasconfig" class="anchor-link"></a><a href="#design_quotasconfig">Quota Configuration</a></h4>
+ <p>
+ Quota configuration may be defined for (user, client-id), user and client-id groups. It is possible to override the default quota at any of the quota levels that needs a higher (or even lower) quota.
+ The mechanism is similar to the per-topic log config overrides.
+ User and (user, client-id) quota overrides are written to ZooKeeper under <i><b>/config/users</b></i> and client-id quota overrides are written under <i><b>/config/clients</b></i>.
+ These overrides are read by all brokers and are effective immediately. This lets us change quotas without having to do a rolling restart of the entire cluster. See <a href="#quotas">here</a> for details.
+ Default quotas for each group may also be updated dynamically using the same mechanism.
+ </p>
+ <p>
+ The order of precedence for quota configuration is:
+ <ol>
+ <li>/config/users/<user>/clients/<client-id></li>
+ <li>/config/users/<user>/clients/<default></li>
+ <li>/config/users/<user></li>
+ <li>/config/users/<default>/clients/<client-id></li>
+ <li>/config/users/<default>/clients/<default></li>
+ <li>/config/users/<default></li>
+ <li>/config/clients/<client-id></li>
+ <li>/config/clients/<default></li>
+ </ol>
+
+ Broker properties (quota.producer.default, quota.consumer.default) can also be used to set defaults of network bandwidth quotas for client-id groups. These properties are being deprecated and will be removed in a later release.
+ Default quotas for client-id can be set in Zookeeper similar to the other quota overrides and defaults.
+ </p>
+ <h4 class="anchor-heading"><a id="design_quotasbandwidth" class="anchor-link"></a><a href="#design_quotasbandwidth">Network Bandwidth Quotas</a></h4>
+ <p>
+ Network bandwidth quotas are defined as the byte rate threshold for each group of clients sharing a quota.
+ By default, each unique client group receives a fixed quota in bytes/sec as configured by the cluster.
+ This quota is defined on a per-broker basis. Each group of clients can publish/fetch a maximum of X bytes/sec
+ per broker before clients are throttled.
+ </p>
+ <h4 class="anchor-heading"><a id="design_quotascpu" class="anchor-link"></a><a href="#design_quotascpu">Request Rate Quotas</a></h4>
+ <p>
+ Request rate quotas are defined as the percentage of time a client can utilize on request handler I/O
+ threads and network threads of each broker within a quota window. A quota of <tt>n%</tt> represents
+ <tt>n%</tt> of one thread, so the quota is out of a total capacity of <tt>((num.io.threads + num.network.threads) * 100)%</tt>.
+ Each group of clients may use a total percentage of upto <tt>n%</tt> across all I/O and network threads in a quota
+ window before being throttled. Since the number of threads allocated for I/O and network threads are typically based
+ on the number of cores available on the broker host, request rate quotas represent the total percentage of CPU
+ that may be used by each group of clients sharing the quota.
+ </p>
+ <h4 class="anchor-heading"><a id="design_quotasenforcement" class="anchor-link"></a><a href="#design_quotasenforcement">Enforcement</a></h4>
+ <p>
+ By default, each unique client group receives a fixed quota as configured by the cluster.
+ This quota is defined on a per-broker basis. Each client can utilize this quota per broker before it gets throttled. We decided that defining these quotas per broker is much better than
+ having a fixed cluster wide bandwidth per client because that would require a mechanism to share client quota usage among all the brokers. This can be harder to get right than the quota implementation itself!
+ </p>
+ <p>
+ How does a broker react when it detects a quota violation? In our solution, the broker first computes the amount of delay needed to bring the violating client under its quota
+ and returns a response with the delay immediately. In case of a fetch request, the response will not contain any data. Then, the broker mutes the channel to the client,
+ not to process requests from the client anymore, until the delay is over. Upon receiving a response with a non-zero delay duration, the Kafka client will also refrain from
+ sending further requests to the broker during the delay. Therefore, requests from a throttled client are effectively blocked from both sides.
+ Even with older client implementations that do not respect the delay response from the broker, the back pressure applied by the broker via muting its socket channel
+ can still handle the throttling of badly behaving clients. Those clients who sent further requests to the throttled channel will receive responses only after the delay is over.
+ </p>
+ <p>
+ Byte-rate and thread utilization are measured over multiple small windows (e.g. 30 windows of 1 second each) in order to detect and correct quota violations quickly. Typically, having large measurement windows
+ (for e.g. 10 windows of 30 seconds each) leads to large bursts of traffic followed by long delays which is not great in terms of user experience.
+ </p>
+</script>
+
+<div class="p-design"></div>
diff --git a/27/documentation.html b/27/documentation.html
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--- /dev/null
+++ b/27/documentation.html
@@ -0,0 +1,88 @@
+<!--
+ 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.
+-->
+
+<script><!--#include virtual="js/templateData.js" --></script>
+
+<!--#include virtual="../includes/_header.htm" -->
+<!--#include virtual="../includes/_top.htm" -->
+
+
+<div class="content documentation documentation--current">
+ <!--#include virtual="../includes/_nav.htm" -->
+ <div class="toc-handle-container">
+ <div class="toc-handle"><</div>
+ </div>
+ <div class="docs-nav">
+ <!--#include virtual="toc.html" -->
+ </div>
+ <div class="right">
+ <!--//#include virtual="../includes/_docs_banner.htm" -->
+
+ <h1>Documentation</h1>
+ <h3>Kafka 2.7 Documentation</h3>
+ Prior releases: <a href="/07/documentation.html">0.7.x</a>, <a href="/08/documentation.html">0.8.0</a>, <a href="/081/documentation.html">0.8.1.X</a>, <a href="/082/documentation.html">0.8.2.X</a>, <a href="/090/documentation.html">0.9.0.X</a>, <a href="/0100/documentation.html">0.10.0.X</a>, <a href="/0101/documentation.html">0.10.1.X</a>, <a href="/0102/documentation.html">0.10.2.X</a>, <a href="/0110/documentation.html">0.11.0.X</a>, <a href="/10/documentation.html">1.0.X</a>, [...]
+
+ <h2 class="anchor-heading"><a id="gettingStarted" class="anchor-link"></a><a href="#gettingStarted">1. Getting Started</a></h2>
+ <h3 class="anchor-heading"><a id="introduction" class="anchor-link"></a><a href="#introduction">1.1 Introduction</a></h3>
+ <!--#include virtual="introduction.html" -->
+ <h3 class="anchor-heading"><a id="uses" class="anchor-link"></a><a href="#uses">1.2 Use Cases</a></h3>
+ <!--#include virtual="uses.html" -->
+ <h3 class="anchor-heading"><a id="quickstart" class="anchor-link"></a><a href="#quickstart">1.3 Quick Start</a></h3>
+ <!--#include virtual="quickstart-zookeeper.html" -->
+ <h3 class="anchor-heading"><a id="ecosystem" class="anchor-link"></a><a href="#ecosystem">1.4 Ecosystem</a></h3>
+ <!--#include virtual="ecosystem.html" -->
+ <h3 class="anchor-heading"><a id="upgrade" class="anchor-link"></a><a href="#upgrade">1.5 Upgrading From Previous Versions</a></h3>
+ <!--#include virtual="upgrade.html" -->
+
+ <h2 class="anchor-heading"><a id="api" class="anchor-link"></a><a href="#api">2. APIs</a></h2>
+
+ <!--#include virtual="api.html" -->
+
+ <h2 class="anchor-heading"><a id="configuration" class="anchor-link"></a><a href="#configuration">3. Configuration</a></h2>
+
+ <!--#include virtual="configuration.html" -->
+
+ <h2 class="anchor-heading"><a id="design" class="anchor-link"></a><a href="#design">4. Design</a></h2>
+
+ <!--#include virtual="design.html" -->
+
+ <h2 class="anchor-heading"><a id="implementation" class="anchor-link"></a><a href="#implementation">5. Implementation</a></h2>
+
+ <!--#include virtual="implementation.html" -->
+
+ <h2 class="anchor-heading"><a id="operations" class="anchor-link"></a><a href="#operations">6. Operations</a></h2>
+
+ <!--#include virtual="ops.html" -->
+
+ <h2 class="anchor-heading"><a id="security" class="anchor-link"></a><a href="#security">7. Security</a></h2>
+ <!--#include virtual="security.html" -->
+
+ <h2 class="anchor-heading"><a id="connect" class="anchor-link"></a><a href="#connect">8. Kafka Connect</a></h2>
+ <!--#include virtual="connect.html" -->
+
+ <h2><a id="streams" href="/documentation/streams">9. Kafka Streams</a></h2>
+ <p>
+ Kafka Streams is a client library for processing and analyzing data stored in Kafka. It builds upon important stream processing concepts such as properly distinguishing between event time and processing time, windowing support, exactly-once processing semantics and simple yet efficient management of application state.
+ </p>
+ <p>
+ Kafka Streams has a <b>low barrier to entry</b>: You can quickly write and run a small-scale proof-of-concept on a single machine; and you only need to run additional instances of your application on multiple machines to scale up to high-volume production workloads. Kafka Streams transparently handles the load balancing of multiple instances of the same application by leveraging Kafka's parallelism model.
+ </p>
+
+ <p>Learn More about Kafka Streams read <a href="/documentation/streams">this</a> Section.</p>
+
+<!--#include virtual="../includes/_footer.htm" -->
+<!--#include virtual="../includes/_docs_footer.htm" -->
diff --git a/27/documentation/index.html b/27/documentation/index.html
new file mode 100644
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--- /dev/null
+++ b/27/documentation/index.html
@@ -0,0 +1,18 @@
+<!--
+ 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.
+-->
+
+<!--#include virtual="../documentation.html" -->
\ No newline at end of file
diff --git a/27/documentation/streams/architecture.html b/27/documentation/streams/architecture.html
new file mode 100644
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--- /dev/null
+++ b/27/documentation/streams/architecture.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/architecture.html" -->
diff --git a/27/documentation/streams/core-concepts.html b/27/documentation/streams/core-concepts.html
new file mode 100644
index 0000000..d699b79
--- /dev/null
+++ b/27/documentation/streams/core-concepts.html
@@ -0,0 +1,19 @@
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
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+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/core-concepts.html" -->
diff --git a/27/documentation/streams/developer-guide/app-reset-tool.html b/27/documentation/streams/developer-guide/app-reset-tool.html
new file mode 100644
index 0000000..64a43aa
--- /dev/null
+++ b/27/documentation/streams/developer-guide/app-reset-tool.html
@@ -0,0 +1,19 @@
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
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+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/app-reset-tool.html" -->
diff --git a/27/documentation/streams/developer-guide/config-streams.html b/27/documentation/streams/developer-guide/config-streams.html
new file mode 100644
index 0000000..979f66d
--- /dev/null
+++ b/27/documentation/streams/developer-guide/config-streams.html
@@ -0,0 +1,19 @@
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
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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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/config-streams.html" -->
diff --git a/27/documentation/streams/developer-guide/datatypes.html b/27/documentation/streams/developer-guide/datatypes.html
new file mode 100644
index 0000000..98dd3a1
--- /dev/null
+++ b/27/documentation/streams/developer-guide/datatypes.html
@@ -0,0 +1,19 @@
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
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+ The ASF licenses this file to You under the Apache License, Version 2.0
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+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/datatypes.html" -->
diff --git a/27/documentation/streams/developer-guide/dsl-api.html b/27/documentation/streams/developer-guide/dsl-api.html
new file mode 100644
index 0000000..1bbc06d
--- /dev/null
+++ b/27/documentation/streams/developer-guide/dsl-api.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/dsl-api.html" -->
diff --git a/27/documentation/streams/developer-guide/dsl-topology-naming.html b/27/documentation/streams/developer-guide/dsl-topology-naming.html
new file mode 100644
index 0000000..9f42a04
--- /dev/null
+++ b/27/documentation/streams/developer-guide/dsl-topology-naming.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/dsl-topology-naming.html" -->
diff --git a/27/documentation/streams/developer-guide/index.html b/27/documentation/streams/developer-guide/index.html
new file mode 100644
index 0000000..3a61247
--- /dev/null
+++ b/27/documentation/streams/developer-guide/index.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/index.html" -->
diff --git a/27/documentation/streams/developer-guide/interactive-queries.html b/27/documentation/streams/developer-guide/interactive-queries.html
new file mode 100644
index 0000000..0506012
--- /dev/null
+++ b/27/documentation/streams/developer-guide/interactive-queries.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/interactive-queries.html" -->
diff --git a/27/documentation/streams/developer-guide/manage-topics.html b/27/documentation/streams/developer-guide/manage-topics.html
new file mode 100644
index 0000000..f422554
--- /dev/null
+++ b/27/documentation/streams/developer-guide/manage-topics.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/manage-topics.html" -->
diff --git a/27/documentation/streams/developer-guide/memory-mgmt.html b/27/documentation/streams/developer-guide/memory-mgmt.html
new file mode 100644
index 0000000..024e137
--- /dev/null
+++ b/27/documentation/streams/developer-guide/memory-mgmt.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/memory-mgmt.html" -->
diff --git a/27/documentation/streams/developer-guide/processor-api.html b/27/documentation/streams/developer-guide/processor-api.html
new file mode 100644
index 0000000..9e9ab91
--- /dev/null
+++ b/27/documentation/streams/developer-guide/processor-api.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/processor-api.html" -->
diff --git a/27/documentation/streams/developer-guide/running-app.html b/27/documentation/streams/developer-guide/running-app.html
new file mode 100644
index 0000000..05d5f0b
--- /dev/null
+++ b/27/documentation/streams/developer-guide/running-app.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/running-app.html" -->
diff --git a/27/documentation/streams/developer-guide/security.html b/27/documentation/streams/developer-guide/security.html
new file mode 100644
index 0000000..5d6e5f0
--- /dev/null
+++ b/27/documentation/streams/developer-guide/security.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/security.html" -->
diff --git a/27/documentation/streams/developer-guide/testing.html b/27/documentation/streams/developer-guide/testing.html
new file mode 100644
index 0000000..4753e66
--- /dev/null
+++ b/27/documentation/streams/developer-guide/testing.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/testing.html" -->
diff --git a/27/documentation/streams/developer-guide/write-streams.html b/27/documentation/streams/developer-guide/write-streams.html
new file mode 100644
index 0000000..976c6fe
--- /dev/null
+++ b/27/documentation/streams/developer-guide/write-streams.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../../streams/developer-guide/write-streams.html" -->
diff --git a/27/documentation/streams/index.html b/27/documentation/streams/index.html
new file mode 100644
index 0000000..5ff3b3b
--- /dev/null
+++ b/27/documentation/streams/index.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/index.html" -->
diff --git a/27/documentation/streams/quickstart.html b/27/documentation/streams/quickstart.html
new file mode 100644
index 0000000..efb0234
--- /dev/null
+++ b/27/documentation/streams/quickstart.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/quickstart.html" -->
diff --git a/27/documentation/streams/tutorial.html b/27/documentation/streams/tutorial.html
new file mode 100644
index 0000000..e2cf401
--- /dev/null
+++ b/27/documentation/streams/tutorial.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/tutorial.html" -->
diff --git a/27/documentation/streams/upgrade-guide.html b/27/documentation/streams/upgrade-guide.html
new file mode 100644
index 0000000..b1b3200
--- /dev/null
+++ b/27/documentation/streams/upgrade-guide.html
@@ -0,0 +1,19 @@
+<!--
+ 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.
+-->
+
+<!-- should always link the latest release's documentation -->
+<!--#include virtual="../../streams/upgrade-guide.html" -->
diff --git a/27/ecosystem.html b/27/ecosystem.html
new file mode 100644
index 0000000..5fbcec5
--- /dev/null
+++ b/27/ecosystem.html
@@ -0,0 +1,18 @@
+<!--
+ 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.
+-->
+
+There are a plethora of tools that integrate with Kafka outside the main distribution. The <a href="https://cwiki.apache.org/confluence/display/KAFKA/Ecosystem"> ecosystem page</a> lists many of these, including stream processing systems, Hadoop integration, monitoring, and deployment tools.
diff --git a/27/generated/admin_client_config.html b/27/generated/admin_client_config.html
new file mode 100644
index 0000000..0e99ee4
--- /dev/null
+++ b/27/generated/admin_client_config.html
@@ -0,0 +1,543 @@
+<ul class="config-list">
+<li>
+<h4><a id="bootstrap.servers"></a><a id="adminclientconfigs_bootstrap.servers" href="#adminclientconfigs_bootstrap.servers">bootstrap.servers</a></h4>
+<p>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form <code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to discover the full cluster membership (which may change dynam [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.key.password"></a><a id="adminclientconfigs_ssl.key.password" href="#adminclientconfigs_ssl.key.password">ssl.key.password</a></h4>
+<p>The password of the private key in the key store file orthe PEM key specified in `ssl.keystore.key'. This is required for clients only if two-way authentication is configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.certificate.chain"></a><a id="adminclientconfigs_ssl.keystore.certificate.chain" href="#adminclientconfigs_ssl.keystore.certificate.chain">ssl.keystore.certificate.chain</a></h4>
+<p>Certificate chain in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with a list of X.509 certificates</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.key"></a><a id="adminclientconfigs_ssl.keystore.key" href="#adminclientconfigs_ssl.keystore.key">ssl.keystore.key</a></h4>
+<p>Private key in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with PKCS#8 keys. If the key is encrypted, key password must be specified using 'ssl.key.password'</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.location"></a><a id="adminclientconfigs_ssl.keystore.location" href="#adminclientconfigs_ssl.keystore.location">ssl.keystore.location</a></h4>
+<p>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.password"></a><a id="adminclientconfigs_ssl.keystore.password" href="#adminclientconfigs_ssl.keystore.password">ssl.keystore.password</a></h4>
+<p>The store password for the key store file. This is optional for client and only needed if 'ssl.keystore.location' is configured. Key store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.certificates"></a><a id="adminclientconfigs_ssl.truststore.certificates" href="#adminclientconfigs_ssl.truststore.certificates">ssl.truststore.certificates</a></h4>
+<p>Trusted certificates in the format specified by 'ssl.truststore.type'. Default SSL engine factory supports only PEM format with X.509 certificates.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.location"></a><a id="adminclientconfigs_ssl.truststore.location" href="#adminclientconfigs_ssl.truststore.location">ssl.truststore.location</a></h4>
+<p>The location of the trust store file. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.password"></a><a id="adminclientconfigs_ssl.truststore.password" href="#adminclientconfigs_ssl.truststore.password">ssl.truststore.password</a></h4>
+<p>The password for the trust store file. If a password is not set, trust store file configured will still be used, but integrity checking is disabled. Trust store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.dns.lookup"></a><a id="adminclientconfigs_client.dns.lookup" href="#adminclientconfigs_client.dns.lookup">client.dns.lookup</a></h4>
+<p>Controls how the client uses DNS lookups. If set to <code>use_all_dns_ips</code>, connect to each returned IP address in sequence until a successful connection is established. After a disconnection, the next IP is used. Once all IPs have been used once, the client resolves the IP(s) from the hostname again (both the JVM and the OS cache DNS name lookups, however). If set to <code>resolve_canonical_bootstrap_servers_only</code>, resolve each bootstrap address into a list of canonical n [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>use_all_dns_ips</td></tr>
+<tr><th>Valid Values:</th><td>[default, use_all_dns_ips, resolve_canonical_bootstrap_servers_only]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.id"></a><a id="adminclientconfigs_client.id" href="#adminclientconfigs_client.id">client.id</a></h4>
+<p>An id string to pass to the server when making requests. The purpose of this is to be able to track the source of requests beyond just ip/port by allowing a logical application name to be included in server-side request logging.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.idle.ms"></a><a id="adminclientconfigs_connections.max.idle.ms" href="#adminclientconfigs_connections.max.idle.ms">connections.max.idle.ms</a></h4>
+<p>Close idle connections after the number of milliseconds specified by this config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="default.api.timeout.ms"></a><a id="adminclientconfigs_default.api.timeout.ms" href="#adminclientconfigs_default.api.timeout.ms">default.api.timeout.ms</a></h4>
+<p>Specifies the timeout (in milliseconds) for client APIs. This configuration is used as the default timeout for all client operations that do not specify a <code>timeout</code> parameter.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="receive.buffer.bytes"></a><a id="adminclientconfigs_receive.buffer.bytes" href="#adminclientconfigs_receive.buffer.bytes">receive.buffer.bytes</a></h4>
+<p>The size of the TCP receive buffer (SO_RCVBUF) to use when reading data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>65536 (64 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="request.timeout.ms"></a><a id="adminclientconfigs_request.timeout.ms" href="#adminclientconfigs_request.timeout.ms">request.timeout.ms</a></h4>
+<p>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.client.callback.handler.class"></a><a id="adminclientconfigs_sasl.client.callback.handler.class" href="#adminclientconfigs_sasl.client.callback.handler.class">sasl.client.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL client callback handler class that implements the AuthenticateCallbackHandler interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.jaas.config"></a><a id="adminclientconfigs_sasl.jaas.config" href="#adminclientconfigs_sasl.jaas.config">sasl.jaas.config</a></h4>
+<p>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<code>loginModuleClass controlFlag (optionName=optionValue)*;</code>'. For brokers, the config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.nam [...]
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.service.name"></a><a id="adminclientconfigs_sasl.kerberos.service.name" href="#adminclientconfigs_sasl.kerberos.service.name">sasl.kerberos.service.name</a></h4>
+<p>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.callback.handler.class"></a><a id="adminclientconfigs_sasl.login.callback.handler.class" href="#adminclientconfigs_sasl.login.callback.handler.class">sasl.login.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL login callback handler class that implements the AuthenticateCallbackHandler interface. For brokers, login callback handler config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.callback.handler.class=com.example.CustomScramLoginCallbackHandler</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.class"></a><a id="adminclientconfigs_sasl.login.class" href="#adminclientconfigs_sasl.login.class">sasl.login.class</a></h4>
+<p>The fully qualified name of a class that implements the Login interface. For brokers, login config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.class=com.example.CustomScramLogin</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.mechanism"></a><a id="adminclientconfigs_sasl.mechanism" href="#adminclientconfigs_sasl.mechanism">sasl.mechanism</a></h4>
+<p>SASL mechanism used for client connections. This may be any mechanism for which a security provider is available. GSSAPI is the default mechanism.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.protocol"></a><a id="adminclientconfigs_security.protocol" href="#adminclientconfigs_security.protocol">security.protocol</a></h4>
+<p>Protocol used to communicate with brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="send.buffer.bytes"></a><a id="adminclientconfigs_send.buffer.bytes" href="#adminclientconfigs_send.buffer.bytes">send.buffer.bytes</a></h4>
+<p>The size of the TCP send buffer (SO_SNDBUF) to use when sending data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>131072 (128 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.max.ms"></a><a id="adminclientconfigs_socket.connection.setup.timeout.max.ms" href="#adminclientconfigs_socket.connection.setup.timeout.max.ms">socket.connection.setup.timeout.max.ms</a></h4>
+<p>The maximum amount of time the client will wait for the socket connection to be established. The connection setup timeout will increase exponentially for each consecutive connection failure up to this maximum. To avoid connection storms, a randomization factor of 0.2 will be applied to the timeout resulting in a random range between 20% below and 20% above the computed value.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>127000 (127 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.ms"></a><a id="adminclientconfigs_socket.connection.setup.timeout.ms" href="#adminclientconfigs_socket.connection.setup.timeout.ms">socket.connection.setup.timeout.ms</a></h4>
+<p>The amount of time the client will wait for the socket connection to be established. If the connection is not built before the timeout elapses, clients will close the socket channel.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.enabled.protocols"></a><a id="adminclientconfigs_ssl.enabled.protocols" href="#adminclientconfigs_ssl.enabled.protocols">ssl.enabled.protocols</a></h4>
+<p>The list of protocols enabled for SSL connections. The default is 'TLSv1.2,TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. With the default value for Java 11, clients and servers will prefer TLSv1.3 if both support it and fallback to TLSv1.2 otherwise (assuming both support at least TLSv1.2). This default should be fine for most cases. Also see the config documentation for `ssl.protocol`.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.type"></a><a id="adminclientconfigs_ssl.keystore.type" href="#adminclientconfigs_ssl.keystore.type">ssl.keystore.type</a></h4>
+<p>The file format of the key store file. This is optional for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.protocol"></a><a id="adminclientconfigs_ssl.protocol" href="#adminclientconfigs_ssl.protocol">ssl.protocol</a></h4>
+<p>The SSL protocol used to generate the SSLContext. The default is 'TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. This value should be fine for most use cases. Allowed values in recent JVMs are 'TLSv1.2' and 'TLSv1.3'. 'TLS', 'TLSv1.1', 'SSL', 'SSLv2' and 'SSLv3' may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities. With the default value for this config and 'ssl.enabled.protocols', clients will downgrade to 'TLSv1.2' i [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.provider"></a><a id="adminclientconfigs_ssl.provider" href="#adminclientconfigs_ssl.provider">ssl.provider</a></h4>
+<p>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.type"></a><a id="adminclientconfigs_ssl.truststore.type" href="#adminclientconfigs_ssl.truststore.type">ssl.truststore.type</a></h4>
+<p>The file format of the trust store file.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metadata.max.age.ms"></a><a id="adminclientconfigs_metadata.max.age.ms" href="#adminclientconfigs_metadata.max.age.ms">metadata.max.age.ms</a></h4>
+<p>The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metric.reporters"></a><a id="adminclientconfigs_metric.reporters" href="#adminclientconfigs_metric.reporters">metric.reporters</a></h4>
+<p>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.num.samples"></a><a id="adminclientconfigs_metrics.num.samples" href="#adminclientconfigs_metrics.num.samples">metrics.num.samples</a></h4>
+<p>The number of samples maintained to compute metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.recording.level"></a><a id="adminclientconfigs_metrics.recording.level" href="#adminclientconfigs_metrics.recording.level">metrics.recording.level</a></h4>
+<p>The highest recording level for metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>INFO</td></tr>
+<tr><th>Valid Values:</th><td>[INFO, DEBUG, TRACE]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.sample.window.ms"></a><a id="adminclientconfigs_metrics.sample.window.ms" href="#adminclientconfigs_metrics.sample.window.ms">metrics.sample.window.ms</a></h4>
+<p>The window of time a metrics sample is computed over.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.max.ms"></a><a id="adminclientconfigs_reconnect.backoff.max.ms" href="#adminclientconfigs_reconnect.backoff.max.ms">reconnect.backoff.max.ms</a></h4>
+<p>The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect. If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum. After calculating the backoff increase, 20% random jitter is added to avoid connection storms.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>1000 (1 second)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.ms"></a><a id="adminclientconfigs_reconnect.backoff.ms" href="#adminclientconfigs_reconnect.backoff.ms">reconnect.backoff.ms</a></h4>
+<p>The base amount of time to wait before attempting to reconnect to a given host. This avoids repeatedly connecting to a host in a tight loop. This backoff applies to all connection attempts by the client to a broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retries"></a><a id="adminclientconfigs_retries" href="#adminclientconfigs_retries">retries</a></h4>
+<p>Setting a value greater than zero will cause the client to resend any request that fails with a potentially transient error. It is recommended to set the value to either zero or `MAX_VALUE` and use corresponding timeout parameters to control how long a client should retry a request.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,2147483647]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retry.backoff.ms"></a><a id="adminclientconfigs_retry.backoff.ms" href="#adminclientconfigs_retry.backoff.ms">retry.backoff.ms</a></h4>
+<p>The amount of time to wait before attempting to retry a failed request. This avoids repeatedly sending requests in a tight loop under some failure scenarios.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>100</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.kinit.cmd"></a><a id="adminclientconfigs_sasl.kerberos.kinit.cmd" href="#adminclientconfigs_sasl.kerberos.kinit.cmd">sasl.kerberos.kinit.cmd</a></h4>
+<p>Kerberos kinit command path.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/usr/bin/kinit</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.min.time.before.relogin"></a><a id="adminclientconfigs_sasl.kerberos.min.time.before.relogin" href="#adminclientconfigs_sasl.kerberos.min.time.before.relogin">sasl.kerberos.min.time.before.relogin</a></h4>
+<p>Login thread sleep time between refresh attempts.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.jitter"></a><a id="adminclientconfigs_sasl.kerberos.ticket.renew.jitter" href="#adminclientconfigs_sasl.kerberos.ticket.renew.jitter">sasl.kerberos.ticket.renew.jitter</a></h4>
+<p>Percentage of random jitter added to the renewal time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.window.factor"></a><a id="adminclientconfigs_sasl.kerberos.ticket.renew.window.factor" href="#adminclientconfigs_sasl.kerberos.ticket.renew.window.factor">sasl.kerberos.ticket.renew.window.factor</a></h4>
+<p>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.buffer.seconds"></a><a id="adminclientconfigs_sasl.login.refresh.buffer.seconds" href="#adminclientconfigs_sasl.login.refresh.buffer.seconds">sasl.login.refresh.buffer.seconds</a></h4>
+<p>The amount of buffer time before credential expiration to maintain when refreshing a credential, in seconds. If a refresh would otherwise occur closer to expiration than the number of buffer seconds then the refresh will be moved up to maintain as much of the buffer time as possible. Legal values are between 0 and 3600 (1 hour); a default value of 300 (5 minutes) is used if no value is specified. This value and sasl.login.refresh.min.period.seconds are both ignored if their sum excee [...]
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,3600]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.min.period.seconds"></a><a id="adminclientconfigs_sasl.login.refresh.min.period.seconds" href="#adminclientconfigs_sasl.login.refresh.min.period.seconds">sasl.login.refresh.min.period.seconds</a></h4>
+<p>The desired minimum time for the login refresh thread to wait before refreshing a credential, in seconds. Legal values are between 0 and 900 (15 minutes); a default value of 60 (1 minute) is used if no value is specified. This value and sasl.login.refresh.buffer.seconds are both ignored if their sum exceeds the remaining lifetime of a credential. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>60</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,900]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.factor"></a><a id="adminclientconfigs_sasl.login.refresh.window.factor" href="#adminclientconfigs_sasl.login.refresh.window.factor">sasl.login.refresh.window.factor</a></h4>
+<p>Login refresh thread will sleep until the specified window factor relative to the credential's lifetime has been reached, at which time it will try to refresh the credential. Legal values are between 0.5 (50%) and 1.0 (100%) inclusive; a default value of 0.8 (80%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td>[0.5,...,1.0]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.jitter"></a><a id="adminclientconfigs_sasl.login.refresh.window.jitter" href="#adminclientconfigs_sasl.login.refresh.window.jitter">sasl.login.refresh.window.jitter</a></h4>
+<p>The maximum amount of random jitter relative to the credential's lifetime that is added to the login refresh thread's sleep time. Legal values are between 0 and 0.25 (25%) inclusive; a default value of 0.05 (5%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td>[0.0,...,0.25]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.providers"></a><a id="adminclientconfigs_security.providers" href="#adminclientconfigs_security.providers">security.providers</a></h4>
+<p>A list of configurable creator classes each returning a provider implementing security algorithms. These classes should implement the <code>org.apache.kafka.common.security.auth.SecurityProviderCreator</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.cipher.suites"></a><a id="adminclientconfigs_ssl.cipher.suites" href="#adminclientconfigs_ssl.cipher.suites">ssl.cipher.suites</a></h4>
+<p>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.endpoint.identification.algorithm"></a><a id="adminclientconfigs_ssl.endpoint.identification.algorithm" href="#adminclientconfigs_ssl.endpoint.identification.algorithm">ssl.endpoint.identification.algorithm</a></h4>
+<p>The endpoint identification algorithm to validate server hostname using server certificate. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>https</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.engine.factory.class"></a><a id="adminclientconfigs_ssl.engine.factory.class" href="#adminclientconfigs_ssl.engine.factory.class">ssl.engine.factory.class</a></h4>
+<p>The class of type org.apache.kafka.common.security.auth.SslEngineFactory to provide SSLEngine objects. Default value is org.apache.kafka.common.security.ssl.DefaultSslEngineFactory</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keymanager.algorithm"></a><a id="adminclientconfigs_ssl.keymanager.algorithm" href="#adminclientconfigs_ssl.keymanager.algorithm">ssl.keymanager.algorithm</a></h4>
+<p>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>SunX509</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.secure.random.implementation"></a><a id="adminclientconfigs_ssl.secure.random.implementation" href="#adminclientconfigs_ssl.secure.random.implementation">ssl.secure.random.implementation</a></h4>
+<p>The SecureRandom PRNG implementation to use for SSL cryptography operations. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.trustmanager.algorithm"></a><a id="adminclientconfigs_ssl.trustmanager.algorithm" href="#adminclientconfigs_ssl.trustmanager.algorithm">ssl.trustmanager.algorithm</a></h4>
+<p>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PKIX</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
diff --git a/27/generated/connect_config.html b/27/generated/connect_config.html
new file mode 100644
index 0000000..2e1f5a3
--- /dev/null
+++ b/27/generated/connect_config.html
@@ -0,0 +1,983 @@
+<ul class="config-list">
+<li>
+<h4><a id="config.storage.topic"></a><a id="connectconfigs_config.storage.topic" href="#connectconfigs_config.storage.topic">config.storage.topic</a></h4>
+<p>The name of the Kafka topic where connector configurations are stored</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.id"></a><a id="connectconfigs_group.id" href="#connectconfigs_group.id">group.id</a></h4>
+<p>A unique string that identifies the Connect cluster group this worker belongs to.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="key.converter"></a><a id="connectconfigs_key.converter" href="#connectconfigs_key.converter">key.converter</a></h4>
+<p>Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the keys in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.storage.topic"></a><a id="connectconfigs_offset.storage.topic" href="#connectconfigs_offset.storage.topic">offset.storage.topic</a></h4>
+<p>The name of the Kafka topic where connector offsets are stored</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="status.storage.topic"></a><a id="connectconfigs_status.storage.topic" href="#connectconfigs_status.storage.topic">status.storage.topic</a></h4>
+<p>The name of the Kafka topic where connector and task status are stored</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="value.converter"></a><a id="connectconfigs_value.converter" href="#connectconfigs_value.converter">value.converter</a></h4>
+<p>Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the values in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="bootstrap.servers"></a><a id="connectconfigs_bootstrap.servers" href="#connectconfigs_bootstrap.servers">bootstrap.servers</a></h4>
+<p>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form <code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to discover the full cluster membership (which may change dynam [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>localhost:9092</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="heartbeat.interval.ms"></a><a id="connectconfigs_heartbeat.interval.ms" href="#connectconfigs_heartbeat.interval.ms">heartbeat.interval.ms</a></h4>
+<p>The expected time between heartbeats to the group coordinator when using Kafka's group management facilities. Heartbeats are used to ensure that the worker's session stays active and to facilitate rebalancing when new members join or leave the group. The value must be set lower than <code>session.timeout.ms</code>, but typically should be set no higher than 1/3 of that value. It can be adjusted even lower to control the expected time for normal rebalances.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3000 (3 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rebalance.timeout.ms"></a><a id="connectconfigs_rebalance.timeout.ms" href="#connectconfigs_rebalance.timeout.ms">rebalance.timeout.ms</a></h4>
+<p>The maximum allowed time for each worker to join the group once a rebalance has begun. This is basically a limit on the amount of time needed for all tasks to flush any pending data and commit offsets. If the timeout is exceeded, then the worker will be removed from the group, which will cause offset commit failures.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="session.timeout.ms"></a><a id="connectconfigs_session.timeout.ms" href="#connectconfigs_session.timeout.ms">session.timeout.ms</a></h4>
+<p>The timeout used to detect worker failures. The worker sends periodic heartbeats to indicate its liveness to the broker. If no heartbeats are received by the broker before the expiration of this session timeout, then the broker will remove the worker from the group and initiate a rebalance. Note that the value must be in the allowable range as configured in the broker configuration by <code>group.min.session.timeout.ms</code> and <code>group.max.session.timeout.ms</code>.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.key.password"></a><a id="connectconfigs_ssl.key.password" href="#connectconfigs_ssl.key.password">ssl.key.password</a></h4>
+<p>The password of the private key in the key store file orthe PEM key specified in `ssl.keystore.key'. This is required for clients only if two-way authentication is configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.certificate.chain"></a><a id="connectconfigs_ssl.keystore.certificate.chain" href="#connectconfigs_ssl.keystore.certificate.chain">ssl.keystore.certificate.chain</a></h4>
+<p>Certificate chain in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with a list of X.509 certificates</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.key"></a><a id="connectconfigs_ssl.keystore.key" href="#connectconfigs_ssl.keystore.key">ssl.keystore.key</a></h4>
+<p>Private key in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with PKCS#8 keys. If the key is encrypted, key password must be specified using 'ssl.key.password'</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.location"></a><a id="connectconfigs_ssl.keystore.location" href="#connectconfigs_ssl.keystore.location">ssl.keystore.location</a></h4>
+<p>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.password"></a><a id="connectconfigs_ssl.keystore.password" href="#connectconfigs_ssl.keystore.password">ssl.keystore.password</a></h4>
+<p>The store password for the key store file. This is optional for client and only needed if 'ssl.keystore.location' is configured. Key store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.certificates"></a><a id="connectconfigs_ssl.truststore.certificates" href="#connectconfigs_ssl.truststore.certificates">ssl.truststore.certificates</a></h4>
+<p>Trusted certificates in the format specified by 'ssl.truststore.type'. Default SSL engine factory supports only PEM format with X.509 certificates.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.location"></a><a id="connectconfigs_ssl.truststore.location" href="#connectconfigs_ssl.truststore.location">ssl.truststore.location</a></h4>
+<p>The location of the trust store file. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.password"></a><a id="connectconfigs_ssl.truststore.password" href="#connectconfigs_ssl.truststore.password">ssl.truststore.password</a></h4>
+<p>The password for the trust store file. If a password is not set, trust store file configured will still be used, but integrity checking is disabled. Trust store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.dns.lookup"></a><a id="connectconfigs_client.dns.lookup" href="#connectconfigs_client.dns.lookup">client.dns.lookup</a></h4>
+<p>Controls how the client uses DNS lookups. If set to <code>use_all_dns_ips</code>, connect to each returned IP address in sequence until a successful connection is established. After a disconnection, the next IP is used. Once all IPs have been used once, the client resolves the IP(s) from the hostname again (both the JVM and the OS cache DNS name lookups, however). If set to <code>resolve_canonical_bootstrap_servers_only</code>, resolve each bootstrap address into a list of canonical n [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>use_all_dns_ips</td></tr>
+<tr><th>Valid Values:</th><td>[default, use_all_dns_ips, resolve_canonical_bootstrap_servers_only]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.idle.ms"></a><a id="connectconfigs_connections.max.idle.ms" href="#connectconfigs_connections.max.idle.ms">connections.max.idle.ms</a></h4>
+<p>Close idle connections after the number of milliseconds specified by this config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>540000 (9 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connector.client.config.override.policy"></a><a id="connectconfigs_connector.client.config.override.policy" href="#connectconfigs_connector.client.config.override.policy">connector.client.config.override.policy</a></h4>
+<p>Class name or alias of implementation of <code>ConnectorClientConfigOverridePolicy</code>. Defines what client configurations can be overriden by the connector. The default implementation is `None`. The other possible policies in the framework include `All` and `Principal`. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>None</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="receive.buffer.bytes"></a><a id="connectconfigs_receive.buffer.bytes" href="#connectconfigs_receive.buffer.bytes">receive.buffer.bytes</a></h4>
+<p>The size of the TCP receive buffer (SO_RCVBUF) to use when reading data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>32768 (32 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="request.timeout.ms"></a><a id="connectconfigs_request.timeout.ms" href="#connectconfigs_request.timeout.ms">request.timeout.ms</a></h4>
+<p>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>40000 (40 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.client.callback.handler.class"></a><a id="connectconfigs_sasl.client.callback.handler.class" href="#connectconfigs_sasl.client.callback.handler.class">sasl.client.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL client callback handler class that implements the AuthenticateCallbackHandler interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.jaas.config"></a><a id="connectconfigs_sasl.jaas.config" href="#connectconfigs_sasl.jaas.config">sasl.jaas.config</a></h4>
+<p>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<code>loginModuleClass controlFlag (optionName=optionValue)*;</code>'. For brokers, the config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.nam [...]
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.service.name"></a><a id="connectconfigs_sasl.kerberos.service.name" href="#connectconfigs_sasl.kerberos.service.name">sasl.kerberos.service.name</a></h4>
+<p>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.callback.handler.class"></a><a id="connectconfigs_sasl.login.callback.handler.class" href="#connectconfigs_sasl.login.callback.handler.class">sasl.login.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL login callback handler class that implements the AuthenticateCallbackHandler interface. For brokers, login callback handler config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.callback.handler.class=com.example.CustomScramLoginCallbackHandler</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.class"></a><a id="connectconfigs_sasl.login.class" href="#connectconfigs_sasl.login.class">sasl.login.class</a></h4>
+<p>The fully qualified name of a class that implements the Login interface. For brokers, login config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.class=com.example.CustomScramLogin</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.mechanism"></a><a id="connectconfigs_sasl.mechanism" href="#connectconfigs_sasl.mechanism">sasl.mechanism</a></h4>
+<p>SASL mechanism used for client connections. This may be any mechanism for which a security provider is available. GSSAPI is the default mechanism.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.protocol"></a><a id="connectconfigs_security.protocol" href="#connectconfigs_security.protocol">security.protocol</a></h4>
+<p>Protocol used to communicate with brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="send.buffer.bytes"></a><a id="connectconfigs_send.buffer.bytes" href="#connectconfigs_send.buffer.bytes">send.buffer.bytes</a></h4>
+<p>The size of the TCP send buffer (SO_SNDBUF) to use when sending data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>131072 (128 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.enabled.protocols"></a><a id="connectconfigs_ssl.enabled.protocols" href="#connectconfigs_ssl.enabled.protocols">ssl.enabled.protocols</a></h4>
+<p>The list of protocols enabled for SSL connections. The default is 'TLSv1.2,TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. With the default value for Java 11, clients and servers will prefer TLSv1.3 if both support it and fallback to TLSv1.2 otherwise (assuming both support at least TLSv1.2). This default should be fine for most cases. Also see the config documentation for `ssl.protocol`.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.type"></a><a id="connectconfigs_ssl.keystore.type" href="#connectconfigs_ssl.keystore.type">ssl.keystore.type</a></h4>
+<p>The file format of the key store file. This is optional for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.protocol"></a><a id="connectconfigs_ssl.protocol" href="#connectconfigs_ssl.protocol">ssl.protocol</a></h4>
+<p>The SSL protocol used to generate the SSLContext. The default is 'TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. This value should be fine for most use cases. Allowed values in recent JVMs are 'TLSv1.2' and 'TLSv1.3'. 'TLS', 'TLSv1.1', 'SSL', 'SSLv2' and 'SSLv3' may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities. With the default value for this config and 'ssl.enabled.protocols', clients will downgrade to 'TLSv1.2' i [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.provider"></a><a id="connectconfigs_ssl.provider" href="#connectconfigs_ssl.provider">ssl.provider</a></h4>
+<p>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.type"></a><a id="connectconfigs_ssl.truststore.type" href="#connectconfigs_ssl.truststore.type">ssl.truststore.type</a></h4>
+<p>The file format of the trust store file.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="worker.sync.timeout.ms"></a><a id="connectconfigs_worker.sync.timeout.ms" href="#connectconfigs_worker.sync.timeout.ms">worker.sync.timeout.ms</a></h4>
+<p>When the worker is out of sync with other workers and needs to resynchronize configurations, wait up to this amount of time before giving up, leaving the group, and waiting a backoff period before rejoining.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3000 (3 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="worker.unsync.backoff.ms"></a><a id="connectconfigs_worker.unsync.backoff.ms" href="#connectconfigs_worker.unsync.backoff.ms">worker.unsync.backoff.ms</a></h4>
+<p>When the worker is out of sync with other workers and fails to catch up within worker.sync.timeout.ms, leave the Connect cluster for this long before rejoining.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="access.control.allow.methods"></a><a id="connectconfigs_access.control.allow.methods" href="#connectconfigs_access.control.allow.methods">access.control.allow.methods</a></h4>
+<p>Sets the methods supported for cross origin requests by setting the Access-Control-Allow-Methods header. The default value of the Access-Control-Allow-Methods header allows cross origin requests for GET, POST and HEAD.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="access.control.allow.origin"></a><a id="connectconfigs_access.control.allow.origin" href="#connectconfigs_access.control.allow.origin">access.control.allow.origin</a></h4>
+<p>Value to set the Access-Control-Allow-Origin header to for REST API requests.To enable cross origin access, set this to the domain of the application that should be permitted to access the API, or '*' to allow access from any domain. The default value only allows access from the domain of the REST API.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="admin.listeners"></a><a id="connectconfigs_admin.listeners" href="#connectconfigs_admin.listeners">admin.listeners</a></h4>
+<p>List of comma-separated URIs the Admin REST API will listen on. The supported protocols are HTTP and HTTPS. An empty or blank string will disable this feature. The default behavior is to use the regular listener (specified by the 'listeners' property).</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td>org.apache.kafka.connect.runtime.WorkerConfig$AdminListenersValidator@7b1d7fff</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.id"></a><a id="connectconfigs_client.id" href="#connectconfigs_client.id">client.id</a></h4>
+<p>An id string to pass to the server when making requests. The purpose of this is to be able to track the source of requests beyond just ip/port by allowing a logical application name to be included in server-side request logging.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="config.providers"></a><a id="connectconfigs_config.providers" href="#connectconfigs_config.providers">config.providers</a></h4>
+<p>Comma-separated names of <code>ConfigProvider</code> classes, loaded and used in the order specified. Implementing the interface <code>ConfigProvider</code> allows you to replace variable references in connector configurations, such as for externalized secrets. </p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="config.storage.replication.factor"></a><a id="connectconfigs_config.storage.replication.factor" href="#connectconfigs_config.storage.replication.factor">config.storage.replication.factor</a></h4>
+<p>Replication factor used when creating the configuration storage topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>Positive number not larger than the number of brokers in the Kafka cluster, or -1 to use the broker's default</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connect.protocol"></a><a id="connectconfigs_connect.protocol" href="#connectconfigs_connect.protocol">connect.protocol</a></h4>
+<p>Compatibility mode for Kafka Connect Protocol</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>sessioned</td></tr>
+<tr><th>Valid Values:</th><td>[eager, compatible, sessioned]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="header.converter"></a><a id="connectconfigs_header.converter" href="#connectconfigs_header.converter">header.converter</a></h4>
+<p>HeaderConverter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the header values in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro. By default, the SimpleHeaderConverter is used to serialize header values to strings and deserialize them by inferring the sche [...]
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>org.apache.kafka.connect.storage.SimpleHeaderConverter</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.worker.key.generation.algorithm"></a><a id="connectconfigs_inter.worker.key.generation.algorithm" href="#connectconfigs_inter.worker.key.generation.algorithm">inter.worker.key.generation.algorithm</a></h4>
+<p>The algorithm to use for generating internal request keys</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>HmacSHA256</td></tr>
+<tr><th>Valid Values:</th><td>Any KeyGenerator algorithm supported by the worker JVM</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.worker.key.size"></a><a id="connectconfigs_inter.worker.key.size" href="#connectconfigs_inter.worker.key.size">inter.worker.key.size</a></h4>
+<p>The size of the key to use for signing internal requests, in bits. If null, the default key size for the key generation algorithm will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.worker.key.ttl.ms"></a><a id="connectconfigs_inter.worker.key.ttl.ms" href="#connectconfigs_inter.worker.key.ttl.ms">inter.worker.key.ttl.ms</a></h4>
+<p>The TTL of generated session keys used for internal request validation (in milliseconds)</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3600000 (1 hour)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,2147483647]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.worker.signature.algorithm"></a><a id="connectconfigs_inter.worker.signature.algorithm" href="#connectconfigs_inter.worker.signature.algorithm">inter.worker.signature.algorithm</a></h4>
+<p>The algorithm used to sign internal requests</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>HmacSHA256</td></tr>
+<tr><th>Valid Values:</th><td>Any MAC algorithm supported by the worker JVM</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.worker.verification.algorithms"></a><a id="connectconfigs_inter.worker.verification.algorithms" href="#connectconfigs_inter.worker.verification.algorithms">inter.worker.verification.algorithms</a></h4>
+<p>A list of permitted algorithms for verifying internal requests</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>HmacSHA256</td></tr>
+<tr><th>Valid Values:</th><td>A list of one or more MAC algorithms, each supported by the worker JVM</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="internal.key.converter"></a><a id="connectconfigs_internal.key.converter" href="#connectconfigs_internal.key.converter">internal.key.converter</a></h4>
+<p>Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the keys in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro. This setting controls the format used for internal bookkeeping data used by the framework, such as configs and offsets, so users can typicall [...]
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>org.apache.kafka.connect.json.JsonConverter</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="internal.value.converter"></a><a id="connectconfigs_internal.value.converter" href="#connectconfigs_internal.value.converter">internal.value.converter</a></h4>
+<p>Converter class used to convert between Kafka Connect format and the serialized form that is written to Kafka. This controls the format of the values in messages written to or read from Kafka, and since this is independent of connectors it allows any connector to work with any serialization format. Examples of common formats include JSON and Avro. This setting controls the format used for internal bookkeeping data used by the framework, such as configs and offsets, so users can typica [...]
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>org.apache.kafka.connect.json.JsonConverter</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="listeners"></a><a id="connectconfigs_listeners" href="#connectconfigs_listeners">listeners</a></h4>
+<p>List of comma-separated URIs the REST API will listen on. The supported protocols are HTTP and HTTPS.<br> Specify hostname as 0.0.0.0 to bind to all interfaces.<br> Leave hostname empty to bind to default interface.<br> Examples of legal listener lists: HTTP://myhost:8083,HTTPS://myhost:8084</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metadata.max.age.ms"></a><a id="connectconfigs_metadata.max.age.ms" href="#connectconfigs_metadata.max.age.ms">metadata.max.age.ms</a></h4>
+<p>The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metric.reporters"></a><a id="connectconfigs_metric.reporters" href="#connectconfigs_metric.reporters">metric.reporters</a></h4>
+<p>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.num.samples"></a><a id="connectconfigs_metrics.num.samples" href="#connectconfigs_metrics.num.samples">metrics.num.samples</a></h4>
+<p>The number of samples maintained to compute metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.recording.level"></a><a id="connectconfigs_metrics.recording.level" href="#connectconfigs_metrics.recording.level">metrics.recording.level</a></h4>
+<p>The highest recording level for metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>INFO</td></tr>
+<tr><th>Valid Values:</th><td>[INFO, DEBUG]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.sample.window.ms"></a><a id="connectconfigs_metrics.sample.window.ms" href="#connectconfigs_metrics.sample.window.ms">metrics.sample.window.ms</a></h4>
+<p>The window of time a metrics sample is computed over.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.flush.interval.ms"></a><a id="connectconfigs_offset.flush.interval.ms" href="#connectconfigs_offset.flush.interval.ms">offset.flush.interval.ms</a></h4>
+<p>Interval at which to try committing offsets for tasks.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.flush.timeout.ms"></a><a id="connectconfigs_offset.flush.timeout.ms" href="#connectconfigs_offset.flush.timeout.ms">offset.flush.timeout.ms</a></h4>
+<p>Maximum number of milliseconds to wait for records to flush and partition offset data to be committed to offset storage before cancelling the process and restoring the offset data to be committed in a future attempt.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.storage.partitions"></a><a id="connectconfigs_offset.storage.partitions" href="#connectconfigs_offset.storage.partitions">offset.storage.partitions</a></h4>
+<p>The number of partitions used when creating the offset storage topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>25</td></tr>
+<tr><th>Valid Values:</th><td>Positive number, or -1 to use the broker's default</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.storage.replication.factor"></a><a id="connectconfigs_offset.storage.replication.factor" href="#connectconfigs_offset.storage.replication.factor">offset.storage.replication.factor</a></h4>
+<p>Replication factor used when creating the offset storage topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>Positive number not larger than the number of brokers in the Kafka cluster, or -1 to use the broker's default</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="plugin.path"></a><a id="connectconfigs_plugin.path" href="#connectconfigs_plugin.path">plugin.path</a></h4>
+<p>List of paths separated by commas (,) that contain plugins (connectors, converters, transformations). The list should consist of top level directories that include any combination of: <br>a) directories immediately containing jars with plugins and their dependencies<br>b) uber-jars with plugins and their dependencies<br>c) directories immediately containing the package directory structure of classes of plugins and their dependencies<br>Note: symlinks will be followed to discover depen [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.max.ms"></a><a id="connectconfigs_reconnect.backoff.max.ms" href="#connectconfigs_reconnect.backoff.max.ms">reconnect.backoff.max.ms</a></h4>
+<p>The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect. If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum. After calculating the backoff increase, 20% random jitter is added to avoid connection storms.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>1000 (1 second)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.ms"></a><a id="connectconfigs_reconnect.backoff.ms" href="#connectconfigs_reconnect.backoff.ms">reconnect.backoff.ms</a></h4>
+<p>The base amount of time to wait before attempting to reconnect to a given host. This avoids repeatedly connecting to a host in a tight loop. This backoff applies to all connection attempts by the client to a broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="response.http.headers.config"></a><a id="connectconfigs_response.http.headers.config" href="#connectconfigs_response.http.headers.config">response.http.headers.config</a></h4>
+<p>Rules for REST API HTTP response headers</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>Comma-separated header rules, where each header rule is of the form '[action] [header name]:[header value]' and optionally surrounded by double quotes if any part of a header rule contains a comma</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.advertised.host.name"></a><a id="connectconfigs_rest.advertised.host.name" href="#connectconfigs_rest.advertised.host.name">rest.advertised.host.name</a></h4>
+<p>If this is set, this is the hostname that will be given out to other workers to connect to.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.advertised.listener"></a><a id="connectconfigs_rest.advertised.listener" href="#connectconfigs_rest.advertised.listener">rest.advertised.listener</a></h4>
+<p>Sets the advertised listener (HTTP or HTTPS) which will be given to other workers to use.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.advertised.port"></a><a id="connectconfigs_rest.advertised.port" href="#connectconfigs_rest.advertised.port">rest.advertised.port</a></h4>
+<p>If this is set, this is the port that will be given out to other workers to connect to.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.extension.classes"></a><a id="connectconfigs_rest.extension.classes" href="#connectconfigs_rest.extension.classes">rest.extension.classes</a></h4>
+<p>Comma-separated names of <code>ConnectRestExtension</code> classes, loaded and called in the order specified. Implementing the interface <code>ConnectRestExtension</code> allows you to inject into Connect's REST API user defined resources like filters. Typically used to add custom capability like logging, security, etc. </p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.host.name"></a><a id="connectconfigs_rest.host.name" href="#connectconfigs_rest.host.name">rest.host.name</a></h4>
+<p>Hostname for the REST API. If this is set, it will only bind to this interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="rest.port"></a><a id="connectconfigs_rest.port" href="#connectconfigs_rest.port">rest.port</a></h4>
+<p>Port for the REST API to listen on.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>8083</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retry.backoff.ms"></a><a id="connectconfigs_retry.backoff.ms" href="#connectconfigs_retry.backoff.ms">retry.backoff.ms</a></h4>
+<p>The amount of time to wait before attempting to retry a failed request to a given topic partition. This avoids repeatedly sending requests in a tight loop under some failure scenarios.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>100</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.kinit.cmd"></a><a id="connectconfigs_sasl.kerberos.kinit.cmd" href="#connectconfigs_sasl.kerberos.kinit.cmd">sasl.kerberos.kinit.cmd</a></h4>
+<p>Kerberos kinit command path.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/usr/bin/kinit</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.min.time.before.relogin"></a><a id="connectconfigs_sasl.kerberos.min.time.before.relogin" href="#connectconfigs_sasl.kerberos.min.time.before.relogin">sasl.kerberos.min.time.before.relogin</a></h4>
+<p>Login thread sleep time between refresh attempts.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.jitter"></a><a id="connectconfigs_sasl.kerberos.ticket.renew.jitter" href="#connectconfigs_sasl.kerberos.ticket.renew.jitter">sasl.kerberos.ticket.renew.jitter</a></h4>
+<p>Percentage of random jitter added to the renewal time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.window.factor"></a><a id="connectconfigs_sasl.kerberos.ticket.renew.window.factor" href="#connectconfigs_sasl.kerberos.ticket.renew.window.factor">sasl.kerberos.ticket.renew.window.factor</a></h4>
+<p>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.buffer.seconds"></a><a id="connectconfigs_sasl.login.refresh.buffer.seconds" href="#connectconfigs_sasl.login.refresh.buffer.seconds">sasl.login.refresh.buffer.seconds</a></h4>
+<p>The amount of buffer time before credential expiration to maintain when refreshing a credential, in seconds. If a refresh would otherwise occur closer to expiration than the number of buffer seconds then the refresh will be moved up to maintain as much of the buffer time as possible. Legal values are between 0 and 3600 (1 hour); a default value of 300 (5 minutes) is used if no value is specified. This value and sasl.login.refresh.min.period.seconds are both ignored if their sum excee [...]
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,3600]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.min.period.seconds"></a><a id="connectconfigs_sasl.login.refresh.min.period.seconds" href="#connectconfigs_sasl.login.refresh.min.period.seconds">sasl.login.refresh.min.period.seconds</a></h4>
+<p>The desired minimum time for the login refresh thread to wait before refreshing a credential, in seconds. Legal values are between 0 and 900 (15 minutes); a default value of 60 (1 minute) is used if no value is specified. This value and sasl.login.refresh.buffer.seconds are both ignored if their sum exceeds the remaining lifetime of a credential. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>60</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,900]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.factor"></a><a id="connectconfigs_sasl.login.refresh.window.factor" href="#connectconfigs_sasl.login.refresh.window.factor">sasl.login.refresh.window.factor</a></h4>
+<p>Login refresh thread will sleep until the specified window factor relative to the credential's lifetime has been reached, at which time it will try to refresh the credential. Legal values are between 0.5 (50%) and 1.0 (100%) inclusive; a default value of 0.8 (80%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td>[0.5,...,1.0]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.jitter"></a><a id="connectconfigs_sasl.login.refresh.window.jitter" href="#connectconfigs_sasl.login.refresh.window.jitter">sasl.login.refresh.window.jitter</a></h4>
+<p>The maximum amount of random jitter relative to the credential's lifetime that is added to the login refresh thread's sleep time. Legal values are between 0 and 0.25 (25%) inclusive; a default value of 0.05 (5%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td>[0.0,...,0.25]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="scheduled.rebalance.max.delay.ms"></a><a id="connectconfigs_scheduled.rebalance.max.delay.ms" href="#connectconfigs_scheduled.rebalance.max.delay.ms">scheduled.rebalance.max.delay.ms</a></h4>
+<p>The maximum delay that is scheduled in order to wait for the return of one or more departed workers before rebalancing and reassigning their connectors and tasks to the group. During this period the connectors and tasks of the departed workers remain unassigned</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,2147483647]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.max.ms"></a><a id="connectconfigs_socket.connection.setup.timeout.max.ms" href="#connectconfigs_socket.connection.setup.timeout.max.ms">socket.connection.setup.timeout.max.ms</a></h4>
+<p>The maximum amount of time the client will wait for the socket connection to be established. The connection setup timeout will increase exponentially for each consecutive connection failure up to this maximum. To avoid connection storms, a randomization factor of 0.2 will be applied to the timeout resulting in a random range between 20% below and 20% above the computed value.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>127000 (127 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.ms"></a><a id="connectconfigs_socket.connection.setup.timeout.ms" href="#connectconfigs_socket.connection.setup.timeout.ms">socket.connection.setup.timeout.ms</a></h4>
+<p>The amount of time the client will wait for the socket connection to be established. If the connection is not built before the timeout elapses, clients will close the socket channel.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.cipher.suites"></a><a id="connectconfigs_ssl.cipher.suites" href="#connectconfigs_ssl.cipher.suites">ssl.cipher.suites</a></h4>
+<p>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.client.auth"></a><a id="connectconfigs_ssl.client.auth" href="#connectconfigs_ssl.client.auth">ssl.client.auth</a></h4>
+<p>Configures kafka broker to request client authentication. The following settings are common: <ul> <li><code>ssl.client.auth=required</code> If set to required client authentication is required. <li><code>ssl.client.auth=requested</code> This means client authentication is optional. unlike required, if this option is set client can choose not to provide authentication information about itself <li><code>ssl.client.auth=none</code> This means client authentication is not needed.</ul></p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>none</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.endpoint.identification.algorithm"></a><a id="connectconfigs_ssl.endpoint.identification.algorithm" href="#connectconfigs_ssl.endpoint.identification.algorithm">ssl.endpoint.identification.algorithm</a></h4>
+<p>The endpoint identification algorithm to validate server hostname using server certificate. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>https</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.engine.factory.class"></a><a id="connectconfigs_ssl.engine.factory.class" href="#connectconfigs_ssl.engine.factory.class">ssl.engine.factory.class</a></h4>
+<p>The class of type org.apache.kafka.common.security.auth.SslEngineFactory to provide SSLEngine objects. Default value is org.apache.kafka.common.security.ssl.DefaultSslEngineFactory</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keymanager.algorithm"></a><a id="connectconfigs_ssl.keymanager.algorithm" href="#connectconfigs_ssl.keymanager.algorithm">ssl.keymanager.algorithm</a></h4>
+<p>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>SunX509</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.secure.random.implementation"></a><a id="connectconfigs_ssl.secure.random.implementation" href="#connectconfigs_ssl.secure.random.implementation">ssl.secure.random.implementation</a></h4>
+<p>The SecureRandom PRNG implementation to use for SSL cryptography operations. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.trustmanager.algorithm"></a><a id="connectconfigs_ssl.trustmanager.algorithm" href="#connectconfigs_ssl.trustmanager.algorithm">ssl.trustmanager.algorithm</a></h4>
+<p>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PKIX</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="status.storage.partitions"></a><a id="connectconfigs_status.storage.partitions" href="#connectconfigs_status.storage.partitions">status.storage.partitions</a></h4>
+<p>The number of partitions used when creating the status storage topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5</td></tr>
+<tr><th>Valid Values:</th><td>Positive number, or -1 to use the broker's default</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="status.storage.replication.factor"></a><a id="connectconfigs_status.storage.replication.factor" href="#connectconfigs_status.storage.replication.factor">status.storage.replication.factor</a></h4>
+<p>Replication factor used when creating the status storage topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>Positive number not larger than the number of brokers in the Kafka cluster, or -1 to use the broker's default</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="task.shutdown.graceful.timeout.ms"></a><a id="connectconfigs_task.shutdown.graceful.timeout.ms" href="#connectconfigs_task.shutdown.graceful.timeout.ms">task.shutdown.graceful.timeout.ms</a></h4>
+<p>Amount of time to wait for tasks to shutdown gracefully. This is the total amount of time, not per task. All task have shutdown triggered, then they are waited on sequentially.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="topic.creation.enable"></a><a id="connectconfigs_topic.creation.enable" href="#connectconfigs_topic.creation.enable">topic.creation.enable</a></h4>
+<p>Whether to allow automatic creation of topics used by source connectors, when source connectors are configured with `topic.creation.` properties. Each task will use an admin client to create its topics and will not depend on the Kafka brokers to create topics automatically.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="topic.tracking.allow.reset"></a><a id="connectconfigs_topic.tracking.allow.reset" href="#connectconfigs_topic.tracking.allow.reset">topic.tracking.allow.reset</a></h4>
+<p>If set to true, it allows user requests to reset the set of active topics per connector.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="topic.tracking.enable"></a><a id="connectconfigs_topic.tracking.enable" href="#connectconfigs_topic.tracking.enable">topic.tracking.enable</a></h4>
+<p>Enable tracking the set of active topics per connector during runtime.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
diff --git a/27/generated/connect_metrics.html b/27/generated/connect_metrics.html
new file mode 100644
index 0000000..d1faa7f
--- /dev/null
+++ b/27/generated/connect_metrics.html
@@ -0,0 +1,204 @@
+[2020-11-04 09:23:26,780] INFO Metrics scheduler closed (org.apache.kafka.common.metrics.Metrics:668)
+[2020-11-04 09:23:26,783] INFO Metrics reporters closed (org.apache.kafka.common.metrics.Metrics:678)
+<table class="data-table"><tbody>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=connect-worker-metrics</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>connector-count</td><td>The number of connectors run in this worker.</td></tr>
+<tr>
+<td></td><td>connector-startup-attempts-total</td><td>The total number of connector startups that this worker has attempted.</td></tr>
+<tr>
+<td></td><td>connector-startup-failure-percentage</td><td>The average percentage of this worker's connectors starts that failed.</td></tr>
+<tr>
+<td></td><td>connector-startup-failure-total</td><td>The total number of connector starts that failed.</td></tr>
+<tr>
+<td></td><td>connector-startup-success-percentage</td><td>The average percentage of this worker's connectors starts that succeeded.</td></tr>
+<tr>
+<td></td><td>connector-startup-success-total</td><td>The total number of connector starts that succeeded.</td></tr>
+<tr>
+<td></td><td>task-count</td><td>The number of tasks run in this worker.</td></tr>
+<tr>
+<td></td><td>task-startup-attempts-total</td><td>The total number of task startups that this worker has attempted.</td></tr>
+<tr>
+<td></td><td>task-startup-failure-percentage</td><td>The average percentage of this worker's tasks starts that failed.</td></tr>
+<tr>
+<td></td><td>task-startup-failure-total</td><td>The total number of task starts that failed.</td></tr>
+<tr>
+<td></td><td>task-startup-success-percentage</td><td>The average percentage of this worker's tasks starts that succeeded.</td></tr>
+<tr>
+<td></td><td>task-startup-success-total</td><td>The total number of task starts that succeeded.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=connect-worker-metrics,connector="{connector}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>connector-destroyed-task-count</td><td>The number of destroyed tasks of the connector on the worker.</td></tr>
+<tr>
+<td></td><td>connector-failed-task-count</td><td>The number of failed tasks of the connector on the worker.</td></tr>
+<tr>
+<td></td><td>connector-paused-task-count</td><td>The number of paused tasks of the connector on the worker.</td></tr>
+<tr>
+<td></td><td>connector-running-task-count</td><td>The number of running tasks of the connector on the worker.</td></tr>
+<tr>
+<td></td><td>connector-total-task-count</td><td>The number of tasks of the connector on the worker.</td></tr>
+<tr>
+<td></td><td>connector-unassigned-task-count</td><td>The number of unassigned tasks of the connector on the worker.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=connect-worker-rebalance-metrics</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>completed-rebalances-total</td><td>The total number of rebalances completed by this worker.</td></tr>
+<tr>
+<td></td><td>connect-protocol</td><td>The Connect protocol used by this cluster</td></tr>
+<tr>
+<td></td><td>epoch</td><td>The epoch or generation number of this worker.</td></tr>
+<tr>
+<td></td><td>leader-name</td><td>The name of the group leader.</td></tr>
+<tr>
+<td></td><td>rebalance-avg-time-ms</td><td>The average time in milliseconds spent by this worker to rebalance.</td></tr>
+<tr>
+<td></td><td>rebalance-max-time-ms</td><td>The maximum time in milliseconds spent by this worker to rebalance.</td></tr>
+<tr>
+<td></td><td>rebalancing</td><td>Whether this worker is currently rebalancing.</td></tr>
+<tr>
+<td></td><td>time-since-last-rebalance-ms</td><td>The time in milliseconds since this worker completed the most recent rebalance.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=connector-metrics,connector="{connector}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>connector-class</td><td>The name of the connector class.</td></tr>
+<tr>
+<td></td><td>connector-type</td><td>The type of the connector. One of 'source' or 'sink'.</td></tr>
+<tr>
+<td></td><td>connector-version</td><td>The version of the connector class, as reported by the connector.</td></tr>
+<tr>
+<td></td><td>status</td><td>The status of the connector. One of 'unassigned', 'running', 'paused', 'failed', or 'destroyed'.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=connector-task-metrics,connector="{connector}",task="{task}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>batch-size-avg</td><td>The average size of the batches processed by the connector.</td></tr>
+<tr>
+<td></td><td>batch-size-max</td><td>The maximum size of the batches processed by the connector.</td></tr>
+<tr>
+<td></td><td>offset-commit-avg-time-ms</td><td>The average time in milliseconds taken by this task to commit offsets.</td></tr>
+<tr>
+<td></td><td>offset-commit-failure-percentage</td><td>The average percentage of this task's offset commit attempts that failed.</td></tr>
+<tr>
+<td></td><td>offset-commit-max-time-ms</td><td>The maximum time in milliseconds taken by this task to commit offsets.</td></tr>
+<tr>
+<td></td><td>offset-commit-success-percentage</td><td>The average percentage of this task's offset commit attempts that succeeded.</td></tr>
+<tr>
+<td></td><td>pause-ratio</td><td>The fraction of time this task has spent in the pause state.</td></tr>
+<tr>
+<td></td><td>running-ratio</td><td>The fraction of time this task has spent in the running state.</td></tr>
+<tr>
+<td></td><td>status</td><td>The status of the connector task. One of 'unassigned', 'running', 'paused', 'failed', or 'destroyed'.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=sink-task-metrics,connector="{connector}",task="{task}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>offset-commit-completion-rate</td><td>The average per-second number of offset commit completions that were completed successfully.</td></tr>
+<tr>
+<td></td><td>offset-commit-completion-total</td><td>The total number of offset commit completions that were completed successfully.</td></tr>
+<tr>
+<td></td><td>offset-commit-seq-no</td><td>The current sequence number for offset commits.</td></tr>
+<tr>
+<td></td><td>offset-commit-skip-rate</td><td>The average per-second number of offset commit completions that were received too late and skipped/ignored.</td></tr>
+<tr>
+<td></td><td>offset-commit-skip-total</td><td>The total number of offset commit completions that were received too late and skipped/ignored.</td></tr>
+<tr>
+<td></td><td>partition-count</td><td>The number of topic partitions assigned to this task belonging to the named sink connector in this worker.</td></tr>
+<tr>
+<td></td><td>put-batch-avg-time-ms</td><td>The average time taken by this task to put a batch of sinks records.</td></tr>
+<tr>
+<td></td><td>put-batch-max-time-ms</td><td>The maximum time taken by this task to put a batch of sinks records.</td></tr>
+<tr>
+<td></td><td>sink-record-active-count</td><td>The number of records that have been read from Kafka but not yet completely committed/flushed/acknowledged by the sink task.</td></tr>
+<tr>
+<td></td><td>sink-record-active-count-avg</td><td>The average number of records that have been read from Kafka but not yet completely committed/flushed/acknowledged by the sink task.</td></tr>
+<tr>
+<td></td><td>sink-record-active-count-max</td><td>The maximum number of records that have been read from Kafka but not yet completely committed/flushed/acknowledged by the sink task.</td></tr>
+<tr>
+<td></td><td>sink-record-lag-max</td><td>The maximum lag in terms of number of records that the sink task is behind the consumer's position for any topic partitions.</td></tr>
+<tr>
+<td></td><td>sink-record-read-rate</td><td>The average per-second number of records read from Kafka for this task belonging to the named sink connector in this worker. This is before transformations are applied.</td></tr>
+<tr>
+<td></td><td>sink-record-read-total</td><td>The total number of records read from Kafka by this task belonging to the named sink connector in this worker, since the task was last restarted.</td></tr>
+<tr>
+<td></td><td>sink-record-send-rate</td><td>The average per-second number of records output from the transformations and sent/put to this task belonging to the named sink connector in this worker. This is after transformations are applied and excludes any records filtered out by the transformations.</td></tr>
+<tr>
+<td></td><td>sink-record-send-total</td><td>The total number of records output from the transformations and sent/put to this task belonging to the named sink connector in this worker, since the task was last restarted.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=source-task-metrics,connector="{connector}",task="{task}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>poll-batch-avg-time-ms</td><td>The average time in milliseconds taken by this task to poll for a batch of source records.</td></tr>
+<tr>
+<td></td><td>poll-batch-max-time-ms</td><td>The maximum time in milliseconds taken by this task to poll for a batch of source records.</td></tr>
+<tr>
+<td></td><td>source-record-active-count</td><td>The number of records that have been produced by this task but not yet completely written to Kafka.</td></tr>
+<tr>
+<td></td><td>source-record-active-count-avg</td><td>The average number of records that have been produced by this task but not yet completely written to Kafka.</td></tr>
+<tr>
+<td></td><td>source-record-active-count-max</td><td>The maximum number of records that have been produced by this task but not yet completely written to Kafka.</td></tr>
+<tr>
+<td></td><td>source-record-poll-rate</td><td>The average per-second number of records produced/polled (before transformation) by this task belonging to the named source connector in this worker.</td></tr>
+<tr>
+<td></td><td>source-record-poll-total</td><td>The total number of records produced/polled (before transformation) by this task belonging to the named source connector in this worker.</td></tr>
+<tr>
+<td></td><td>source-record-write-rate</td><td>The average per-second number of records output from the transformations and written to Kafka for this task belonging to the named source connector in this worker. This is after transformations are applied and excludes any records filtered out by the transformations.</td></tr>
+<tr>
+<td></td><td>source-record-write-total</td><td>The number of records output from the transformations and written to Kafka for this task belonging to the named source connector in this worker, since the task was last restarted.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.connect:type=task-error-metrics,connector="{connector}",task="{task}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>deadletterqueue-produce-failures</td><td>The number of failed writes to the dead letter queue.</td></tr>
+<tr>
+<td></td><td>deadletterqueue-produce-requests</td><td>The number of attempted writes to the dead letter queue.</td></tr>
+<tr>
+<td></td><td>last-error-timestamp</td><td>The epoch timestamp when this task last encountered an error.</td></tr>
+<tr>
+<td></td><td>total-errors-logged</td><td>The number of errors that were logged.</td></tr>
+<tr>
+<td></td><td>total-record-errors</td><td>The number of record processing errors in this task. </td></tr>
+<tr>
+<td></td><td>total-record-failures</td><td>The number of record processing failures in this task.</td></tr>
+<tr>
+<td></td><td>total-records-skipped</td><td>The number of records skipped due to errors.</td></tr>
+<tr>
+<td></td><td>total-retries</td><td>The number of operations retried.</td></tr>
+</tbody></table>
diff --git a/27/generated/connect_predicates.html b/27/generated/connect_predicates.html
new file mode 100644
index 0000000..f0d133c
--- /dev/null
+++ b/27/generated/connect_predicates.html
@@ -0,0 +1,44 @@
+<div id="org.apache.kafka.connect.transforms.predicates.HasHeaderKey">
+<h5>org.apache.kafka.connect.transforms.predicates.HasHeaderKey</h5>
+A predicate which is true for records with at least one header with the configured name.
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="name"></a><a id="org.apache.kafka.connect.transforms.predicates.HasHeaderKey_name" href="#org.apache.kafka.connect.transforms.predicates.HasHeaderKey_name">name</a></h6>
+<p>The header name.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>non-empty string</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.predicates.RecordIsTombstone">
+<h5>org.apache.kafka.connect.transforms.predicates.RecordIsTombstone</h5>
+A predicate which is true for records which are tombstones (i.e. have null value).
+<p/>
+<ul class="config-list">
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.predicates.TopicNameMatches">
+<h5>org.apache.kafka.connect.transforms.predicates.TopicNameMatches</h5>
+A predicate which is true for records with a topic name that matches the configured regular expression.
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="pattern"></a><a id="org.apache.kafka.connect.transforms.predicates.TopicNameMatches_pattern" href="#org.apache.kafka.connect.transforms.predicates.TopicNameMatches_pattern">pattern</a></h6>
+<p>A Java regular expression for matching against the name of a record's topic.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>non-empty string, valid regex</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
diff --git a/27/generated/connect_transforms.html b/27/generated/connect_transforms.html
new file mode 100644
index 0000000..0dd9832
--- /dev/null
+++ b/27/generated/connect_transforms.html
@@ -0,0 +1,374 @@
+<div id="org.apache.kafka.connect.transforms.InsertField">
+<h5>org.apache.kafka.connect.transforms.InsertField</h5>
+Insert field(s) using attributes from the record metadata or a configured static value.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.InsertField$Key</code>) or value (<code>org.apache.kafka.connect.transforms.InsertField$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="offset.field"></a><a id="org.apache.kafka.connect.transforms.InsertField_offset.field" href="#org.apache.kafka.connect.transforms.InsertField_offset.field">offset.field</a></h6>
+<p>Field name for Kafka offset - only applicable to sink connectors.<br/>Suffix with <code>!</code> to make this a required field, or <code>?</code> to keep it optional (the default).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="partition.field"></a><a id="org.apache.kafka.connect.transforms.InsertField_partition.field" href="#org.apache.kafka.connect.transforms.InsertField_partition.field">partition.field</a></h6>
+<p>Field name for Kafka partition. Suffix with <code>!</code> to make this a required field, or <code>?</code> to keep it optional (the default).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="static.field"></a><a id="org.apache.kafka.connect.transforms.InsertField_static.field" href="#org.apache.kafka.connect.transforms.InsertField_static.field">static.field</a></h6>
+<p>Field name for static data field. Suffix with <code>!</code> to make this a required field, or <code>?</code> to keep it optional (the default).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="static.value"></a><a id="org.apache.kafka.connect.transforms.InsertField_static.value" href="#org.apache.kafka.connect.transforms.InsertField_static.value">static.value</a></h6>
+<p>Static field value, if field name configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="timestamp.field"></a><a id="org.apache.kafka.connect.transforms.InsertField_timestamp.field" href="#org.apache.kafka.connect.transforms.InsertField_timestamp.field">timestamp.field</a></h6>
+<p>Field name for record timestamp. Suffix with <code>!</code> to make this a required field, or <code>?</code> to keep it optional (the default).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="topic.field"></a><a id="org.apache.kafka.connect.transforms.InsertField_topic.field" href="#org.apache.kafka.connect.transforms.InsertField_topic.field">topic.field</a></h6>
+<p>Field name for Kafka topic. Suffix with <code>!</code> to make this a required field, or <code>?</code> to keep it optional (the default).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.ReplaceField">
+<h5>org.apache.kafka.connect.transforms.ReplaceField</h5>
+Filter or rename fields.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.ReplaceField$Key</code>) or value (<code>org.apache.kafka.connect.transforms.ReplaceField$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="exclude"></a><a id="org.apache.kafka.connect.transforms.ReplaceField_exclude" href="#org.apache.kafka.connect.transforms.ReplaceField_exclude">exclude</a></h6>
+<p>Fields to exclude. This takes precedence over the fields to include.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="include"></a><a id="org.apache.kafka.connect.transforms.ReplaceField_include" href="#org.apache.kafka.connect.transforms.ReplaceField_include">include</a></h6>
+<p>Fields to include. If specified, only these fields will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="renames"></a><a id="org.apache.kafka.connect.transforms.ReplaceField_renames" href="#org.apache.kafka.connect.transforms.ReplaceField_renames">renames</a></h6>
+<p>Field rename mappings.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>list of colon-delimited pairs, e.g. <code>foo:bar,abc:xyz</code></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="blacklist"></a><a id="org.apache.kafka.connect.transforms.ReplaceField_blacklist" href="#org.apache.kafka.connect.transforms.ReplaceField_blacklist">blacklist</a></h6>
+<p>Deprecated. Use exclude instead.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="whitelist"></a><a id="org.apache.kafka.connect.transforms.ReplaceField_whitelist" href="#org.apache.kafka.connect.transforms.ReplaceField_whitelist">whitelist</a></h6>
+<p>Deprecated. Use include instead.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.MaskField">
+<h5>org.apache.kafka.connect.transforms.MaskField</h5>
+Mask specified fields with a valid null value for the field type (i.e. 0, false, empty string, and so on).<p/>For numeric and string fields, an optional replacement value can be specified that is converted to the correct type.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.MaskField$Key</code>) or value (<code>org.apache.kafka.connect.transforms.MaskField$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="fields"></a><a id="org.apache.kafka.connect.transforms.MaskField_fields" href="#org.apache.kafka.connect.transforms.MaskField_fields">fields</a></h6>
+<p>Names of fields to mask.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>non-empty list</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="replacement"></a><a id="org.apache.kafka.connect.transforms.MaskField_replacement" href="#org.apache.kafka.connect.transforms.MaskField_replacement">replacement</a></h6>
+<p>Custom value replacement, that will be applied to all 'fields' values (numeric or non-empty string values only).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td>non-empty string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.ValueToKey">
+<h5>org.apache.kafka.connect.transforms.ValueToKey</h5>
+Replace the record key with a new key formed from a subset of fields in the record value.
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="fields"></a><a id="org.apache.kafka.connect.transforms.ValueToKey_fields" href="#org.apache.kafka.connect.transforms.ValueToKey_fields">fields</a></h6>
+<p>Field names on the record value to extract as the record key.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>non-empty list</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.HoistField">
+<h5>org.apache.kafka.connect.transforms.HoistField</h5>
+Wrap data using the specified field name in a Struct when schema present, or a Map in the case of schemaless data.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.HoistField$Key</code>) or value (<code>org.apache.kafka.connect.transforms.HoistField$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="field"></a><a id="org.apache.kafka.connect.transforms.HoistField_field" href="#org.apache.kafka.connect.transforms.HoistField_field">field</a></h6>
+<p>Field name for the single field that will be created in the resulting Struct or Map.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.ExtractField">
+<h5>org.apache.kafka.connect.transforms.ExtractField</h5>
+Extract the specified field from a Struct when schema present, or a Map in the case of schemaless data. Any null values are passed through unmodified.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.ExtractField$Key</code>) or value (<code>org.apache.kafka.connect.transforms.ExtractField$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="field"></a><a id="org.apache.kafka.connect.transforms.ExtractField_field" href="#org.apache.kafka.connect.transforms.ExtractField_field">field</a></h6>
+<p>Field name to extract.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.SetSchemaMetadata">
+<h5>org.apache.kafka.connect.transforms.SetSchemaMetadata</h5>
+Set the schema name, version or both on the record's key (<code>org.apache.kafka.connect.transforms.SetSchemaMetadata$Key</code>) or value (<code>org.apache.kafka.connect.transforms.SetSchemaMetadata$Value</code>) schema.
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="schema.name"></a><a id="org.apache.kafka.connect.transforms.SetSchemaMetadata_schema.name" href="#org.apache.kafka.connect.transforms.SetSchemaMetadata_schema.name">schema.name</a></h6>
+<p>Schema name to set.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="schema.version"></a><a id="org.apache.kafka.connect.transforms.SetSchemaMetadata_schema.version" href="#org.apache.kafka.connect.transforms.SetSchemaMetadata_schema.version">schema.version</a></h6>
+<p>Schema version to set.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.TimestampRouter">
+<h5>org.apache.kafka.connect.transforms.TimestampRouter</h5>
+Update the record's topic field as a function of the original topic value and the record timestamp.<p/>This is mainly useful for sink connectors, since the topic field is often used to determine the equivalent entity name in the destination system(e.g. database table or search index name).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="timestamp.format"></a><a id="org.apache.kafka.connect.transforms.TimestampRouter_timestamp.format" href="#org.apache.kafka.connect.transforms.TimestampRouter_timestamp.format">timestamp.format</a></h6>
+<p>Format string for the timestamp that is compatible with <code>java.text.SimpleDateFormat</code>.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>yyyyMMdd</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="topic.format"></a><a id="org.apache.kafka.connect.transforms.TimestampRouter_topic.format" href="#org.apache.kafka.connect.transforms.TimestampRouter_topic.format">topic.format</a></h6>
+<p>Format string which can contain <code>${topic}</code> and <code>${timestamp}</code> as placeholders for the topic and timestamp, respectively.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>${topic}-${timestamp}</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.RegexRouter">
+<h5>org.apache.kafka.connect.transforms.RegexRouter</h5>
+Update the record topic using the configured regular expression and replacement string.<p/>Under the hood, the regex is compiled to a <code>java.util.regex.Pattern</code>. If the pattern matches the input topic, <code>java.util.regex.Matcher#replaceFirst()</code> is used with the replacement string to obtain the new topic.
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="regex"></a><a id="org.apache.kafka.connect.transforms.RegexRouter_regex" href="#org.apache.kafka.connect.transforms.RegexRouter_regex">regex</a></h6>
+<p>Regular expression to use for matching.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>valid regex</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="replacement"></a><a id="org.apache.kafka.connect.transforms.RegexRouter_replacement" href="#org.apache.kafka.connect.transforms.RegexRouter_replacement">replacement</a></h6>
+<p>Replacement string.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.Flatten">
+<h5>org.apache.kafka.connect.transforms.Flatten</h5>
+Flatten a nested data structure, generating names for each field by concatenating the field names at each level with a configurable delimiter character. Applies to Struct when schema present, or a Map in the case of schemaless data. The default delimiter is '.'.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.Flatten$Key</code>) or value (<code>org.apache.kafka.connect.transforms.Flatten$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="delimiter"></a><a id="org.apache.kafka.connect.transforms.Flatten_delimiter" href="#org.apache.kafka.connect.transforms.Flatten_delimiter">delimiter</a></h6>
+<p>Delimiter to insert between field names from the input record when generating field names for the output record</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>.</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.Cast">
+<h5>org.apache.kafka.connect.transforms.Cast</h5>
+Cast fields or the entire key or value to a specific type, e.g. to force an integer field to a smaller width. Only simple primitive types are supported -- integers, floats, boolean, and string. <p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.Cast$Key</code>) or value (<code>org.apache.kafka.connect.transforms.Cast$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="spec"></a><a id="org.apache.kafka.connect.transforms.Cast_spec" href="#org.apache.kafka.connect.transforms.Cast_spec">spec</a></h6>
+<p>List of fields and the type to cast them to of the form field1:type,field2:type to cast fields of Maps or Structs. A single type to cast the entire value. Valid types are int8, int16, int32, int64, float32, float64, boolean, and string.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td>list of colon-delimited pairs, e.g. <code>foo:bar,abc:xyz</code></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.TimestampConverter">
+<h5>org.apache.kafka.connect.transforms.TimestampConverter</h5>
+Convert timestamps between different formats such as Unix epoch, strings, and Connect Date/Timestamp types.Applies to individual fields or to the entire value.<p/>Use the concrete transformation type designed for the record key (<code>org.apache.kafka.connect.transforms.TimestampConverter$Key</code>) or value (<code>org.apache.kafka.connect.transforms.TimestampConverter$Value</code>).
+<p/>
+<ul class="config-list">
+<li>
+<h6><a id="target.type"></a><a id="org.apache.kafka.connect.transforms.TimestampConverter_target.type" href="#org.apache.kafka.connect.transforms.TimestampConverter_target.type">target.type</a></h6>
+<p>The desired timestamp representation: string, unix, Date, Time, or Timestamp</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="field"></a><a id="org.apache.kafka.connect.transforms.TimestampConverter_field" href="#org.apache.kafka.connect.transforms.TimestampConverter_field">field</a></h6>
+<p>The field containing the timestamp, or empty if the entire value is a timestamp</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h6><a id="format"></a><a id="org.apache.kafka.connect.transforms.TimestampConverter_format" href="#org.apache.kafka.connect.transforms.TimestampConverter_format">format</a></h6>
+<p>A SimpleDateFormat-compatible format for the timestamp. Used to generate the output when type=string or used to parse the input if the input is a string.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+</ul>
+
+</div>
+<div id="org.apache.kafka.connect.transforms.Filter">
+<h5>org.apache.kafka.connect.transforms.Filter</h5>
+Drops all records, filtering them from subsequent transformations in the chain. This is intended to be used conditionally to filter out records matching (or not matching) a particular Predicate.
+<p/>
+<ul class="config-list">
+</ul>
+
+</div>
diff --git a/27/generated/consumer_config.html b/27/generated/consumer_config.html
new file mode 100644
index 0000000..6217408
--- /dev/null
+++ b/27/generated/consumer_config.html
@@ -0,0 +1,753 @@
+<ul class="config-list">
+<li>
+<h4><a id="key.deserializer"></a><a id="consumerconfigs_key.deserializer" href="#consumerconfigs_key.deserializer">key.deserializer</a></h4>
+<p>Deserializer class for key that implements the <code>org.apache.kafka.common.serialization.Deserializer</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="value.deserializer"></a><a id="consumerconfigs_value.deserializer" href="#consumerconfigs_value.deserializer">value.deserializer</a></h4>
+<p>Deserializer class for value that implements the <code>org.apache.kafka.common.serialization.Deserializer</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="bootstrap.servers"></a><a id="consumerconfigs_bootstrap.servers" href="#consumerconfigs_bootstrap.servers">bootstrap.servers</a></h4>
+<p>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form <code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to discover the full cluster membership (which may change dynam [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="fetch.min.bytes"></a><a id="consumerconfigs_fetch.min.bytes" href="#consumerconfigs_fetch.min.bytes">fetch.min.bytes</a></h4>
+<p>The minimum amount of data the server should return for a fetch request. If insufficient data is available the request will wait for that much data to accumulate before answering the request. The default setting of 1 byte means that fetch requests are answered as soon as a single byte of data is available or the fetch request times out waiting for data to arrive. Setting this to something greater than 1 will cause the server to wait for larger amounts of data to accumulate which can i [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.id"></a><a id="consumerconfigs_group.id" href="#consumerconfigs_group.id">group.id</a></h4>
+<p>A unique string that identifies the consumer group this consumer belongs to. This property is required if the consumer uses either the group management functionality by using <code>subscribe(topic)</code> or the Kafka-based offset management strategy.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="heartbeat.interval.ms"></a><a id="consumerconfigs_heartbeat.interval.ms" href="#consumerconfigs_heartbeat.interval.ms">heartbeat.interval.ms</a></h4>
+<p>The expected time between heartbeats to the consumer coordinator when using Kafka's group management facilities. Heartbeats are used to ensure that the consumer's session stays active and to facilitate rebalancing when new consumers join or leave the group. The value must be set lower than <code>session.timeout.ms</code>, but typically should be set no higher than 1/3 of that value. It can be adjusted even lower to control the expected time for normal rebalances.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3000 (3 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.partition.fetch.bytes"></a><a id="consumerconfigs_max.partition.fetch.bytes" href="#consumerconfigs_max.partition.fetch.bytes">max.partition.fetch.bytes</a></h4>
+<p>The maximum amount of data per-partition the server will return. Records are fetched in batches by the consumer. If the first record batch in the first non-empty partition of the fetch is larger than this limit, the batch will still be returned to ensure that the consumer can make progress. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.bytes</code> (topic config). See fetch.max.bytes for limiting [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1048576 (1 mebibyte)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="session.timeout.ms"></a><a id="consumerconfigs_session.timeout.ms" href="#consumerconfigs_session.timeout.ms">session.timeout.ms</a></h4>
+<p>The timeout used to detect client failures when using Kafka's group management facility. The client sends periodic heartbeats to indicate its liveness to the broker. If no heartbeats are received by the broker before the expiration of this session timeout, then the broker will remove this client from the group and initiate a rebalance. Note that the value must be in the allowable range as configured in the broker configuration by <code>group.min.session.timeout.ms</code> and <code>gro [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.key.password"></a><a id="consumerconfigs_ssl.key.password" href="#consumerconfigs_ssl.key.password">ssl.key.password</a></h4>
+<p>The password of the private key in the key store file orthe PEM key specified in `ssl.keystore.key'. This is required for clients only if two-way authentication is configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.certificate.chain"></a><a id="consumerconfigs_ssl.keystore.certificate.chain" href="#consumerconfigs_ssl.keystore.certificate.chain">ssl.keystore.certificate.chain</a></h4>
+<p>Certificate chain in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with a list of X.509 certificates</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.key"></a><a id="consumerconfigs_ssl.keystore.key" href="#consumerconfigs_ssl.keystore.key">ssl.keystore.key</a></h4>
+<p>Private key in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with PKCS#8 keys. If the key is encrypted, key password must be specified using 'ssl.key.password'</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.location"></a><a id="consumerconfigs_ssl.keystore.location" href="#consumerconfigs_ssl.keystore.location">ssl.keystore.location</a></h4>
+<p>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.password"></a><a id="consumerconfigs_ssl.keystore.password" href="#consumerconfigs_ssl.keystore.password">ssl.keystore.password</a></h4>
+<p>The store password for the key store file. This is optional for client and only needed if 'ssl.keystore.location' is configured. Key store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.certificates"></a><a id="consumerconfigs_ssl.truststore.certificates" href="#consumerconfigs_ssl.truststore.certificates">ssl.truststore.certificates</a></h4>
+<p>Trusted certificates in the format specified by 'ssl.truststore.type'. Default SSL engine factory supports only PEM format with X.509 certificates.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.location"></a><a id="consumerconfigs_ssl.truststore.location" href="#consumerconfigs_ssl.truststore.location">ssl.truststore.location</a></h4>
+<p>The location of the trust store file. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.password"></a><a id="consumerconfigs_ssl.truststore.password" href="#consumerconfigs_ssl.truststore.password">ssl.truststore.password</a></h4>
+<p>The password for the trust store file. If a password is not set, trust store file configured will still be used, but integrity checking is disabled. Trust store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="allow.auto.create.topics"></a><a id="consumerconfigs_allow.auto.create.topics" href="#consumerconfigs_allow.auto.create.topics">allow.auto.create.topics</a></h4>
+<p>Allow automatic topic creation on the broker when subscribing to or assigning a topic. A topic being subscribed to will be automatically created only if the broker allows for it using `auto.create.topics.enable` broker configuration. This configuration must be set to `false` when using brokers older than 0.11.0</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="auto.offset.reset"></a><a id="consumerconfigs_auto.offset.reset" href="#consumerconfigs_auto.offset.reset">auto.offset.reset</a></h4>
+<p>What to do when there is no initial offset in Kafka or if the current offset does not exist any more on the server (e.g. because that data has been deleted): <ul><li>earliest: automatically reset the offset to the earliest offset<li>latest: automatically reset the offset to the latest offset</li><li>none: throw exception to the consumer if no previous offset is found for the consumer's group</li><li>anything else: throw exception to the consumer.</li></ul></p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>latest</td></tr>
+<tr><th>Valid Values:</th><td>[latest, earliest, none]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.dns.lookup"></a><a id="consumerconfigs_client.dns.lookup" href="#consumerconfigs_client.dns.lookup">client.dns.lookup</a></h4>
+<p>Controls how the client uses DNS lookups. If set to <code>use_all_dns_ips</code>, connect to each returned IP address in sequence until a successful connection is established. After a disconnection, the next IP is used. Once all IPs have been used once, the client resolves the IP(s) from the hostname again (both the JVM and the OS cache DNS name lookups, however). If set to <code>resolve_canonical_bootstrap_servers_only</code>, resolve each bootstrap address into a list of canonical n [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>use_all_dns_ips</td></tr>
+<tr><th>Valid Values:</th><td>[default, use_all_dns_ips, resolve_canonical_bootstrap_servers_only]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.idle.ms"></a><a id="consumerconfigs_connections.max.idle.ms" href="#consumerconfigs_connections.max.idle.ms">connections.max.idle.ms</a></h4>
+<p>Close idle connections after the number of milliseconds specified by this config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>540000 (9 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="default.api.timeout.ms"></a><a id="consumerconfigs_default.api.timeout.ms" href="#consumerconfigs_default.api.timeout.ms">default.api.timeout.ms</a></h4>
+<p>Specifies the timeout (in milliseconds) for client APIs. This configuration is used as the default timeout for all client operations that do not specify a <code>timeout</code> parameter.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="enable.auto.commit"></a><a id="consumerconfigs_enable.auto.commit" href="#consumerconfigs_enable.auto.commit">enable.auto.commit</a></h4>
+<p>If true the consumer's offset will be periodically committed in the background.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="exclude.internal.topics"></a><a id="consumerconfigs_exclude.internal.topics" href="#consumerconfigs_exclude.internal.topics">exclude.internal.topics</a></h4>
+<p>Whether internal topics matching a subscribed pattern should be excluded from the subscription. It is always possible to explicitly subscribe to an internal topic.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="fetch.max.bytes"></a><a id="consumerconfigs_fetch.max.bytes" href="#consumerconfigs_fetch.max.bytes">fetch.max.bytes</a></h4>
+<p>The maximum amount of data the server should return for a fetch request. Records are fetched in batches by the consumer, and if the first record batch in the first non-empty partition of the fetch is larger than this value, the record batch will still be returned to ensure that the consumer can make progress. As such, this is not a absolute maximum. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.b [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>52428800 (50 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.instance.id"></a><a id="consumerconfigs_group.instance.id" href="#consumerconfigs_group.instance.id">group.instance.id</a></h4>
+<p>A unique identifier of the consumer instance provided by the end user. Only non-empty strings are permitted. If set, the consumer is treated as a static member, which means that only one instance with this ID is allowed in the consumer group at any time. This can be used in combination with a larger session timeout to avoid group rebalances caused by transient unavailability (e.g. process restarts). If not set, the consumer will join the group as a dynamic member, which is the traditi [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="isolation.level"></a><a id="consumerconfigs_isolation.level" href="#consumerconfigs_isolation.level">isolation.level</a></h4>
+<p>Controls how to read messages written transactionally. If set to <code>read_committed</code>, consumer.poll() will only return transactional messages which have been committed. If set to <code>read_uncommitted</code>' (the default), consumer.poll() will return all messages, even transactional messages which have been aborted. Non-transactional messages will be returned unconditionally in either mode. <p>Messages will always be returned in offset order. Hence, in <code>read_committed< [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>read_uncommitted</td></tr>
+<tr><th>Valid Values:</th><td>[read_committed, read_uncommitted]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.poll.interval.ms"></a><a id="consumerconfigs_max.poll.interval.ms" href="#consumerconfigs_max.poll.interval.ms">max.poll.interval.ms</a></h4>
+<p>The maximum delay between invocations of poll() when using consumer group management. This places an upper bound on the amount of time that the consumer can be idle before fetching more records. If poll() is not called before expiration of this timeout, then the consumer is considered failed and the group will rebalance in order to reassign the partitions to another member. For consumers using a non-null <code>group.instance.id</code> which reach this timeout, partitions will not be i [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.poll.records"></a><a id="consumerconfigs_max.poll.records" href="#consumerconfigs_max.poll.records">max.poll.records</a></h4>
+<p>The maximum number of records returned in a single call to poll().</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>500</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="partition.assignment.strategy"></a><a id="consumerconfigs_partition.assignment.strategy" href="#consumerconfigs_partition.assignment.strategy">partition.assignment.strategy</a></h4>
+<p>A list of class names or class types, ordered by preference, of supported partition assignment strategies that the client will use to distribute partition ownership amongst consumer instances when group management is used.<p>In addition to the default class specified below, you can use the <code>org.apache.kafka.clients.consumer.RoundRobinAssignor</code>class for round robin assignments of partitions to consumers. </p><p>Implementing the <code>org.apache.kafka.clients.consumer.Consume [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>class org.apache.kafka.clients.consumer.RangeAssignor</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="receive.buffer.bytes"></a><a id="consumerconfigs_receive.buffer.bytes" href="#consumerconfigs_receive.buffer.bytes">receive.buffer.bytes</a></h4>
+<p>The size of the TCP receive buffer (SO_RCVBUF) to use when reading data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>65536 (64 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="request.timeout.ms"></a><a id="consumerconfigs_request.timeout.ms" href="#consumerconfigs_request.timeout.ms">request.timeout.ms</a></h4>
+<p>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.client.callback.handler.class"></a><a id="consumerconfigs_sasl.client.callback.handler.class" href="#consumerconfigs_sasl.client.callback.handler.class">sasl.client.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL client callback handler class that implements the AuthenticateCallbackHandler interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.jaas.config"></a><a id="consumerconfigs_sasl.jaas.config" href="#consumerconfigs_sasl.jaas.config">sasl.jaas.config</a></h4>
+<p>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<code>loginModuleClass controlFlag (optionName=optionValue)*;</code>'. For brokers, the config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.nam [...]
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.service.name"></a><a id="consumerconfigs_sasl.kerberos.service.name" href="#consumerconfigs_sasl.kerberos.service.name">sasl.kerberos.service.name</a></h4>
+<p>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.callback.handler.class"></a><a id="consumerconfigs_sasl.login.callback.handler.class" href="#consumerconfigs_sasl.login.callback.handler.class">sasl.login.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL login callback handler class that implements the AuthenticateCallbackHandler interface. For brokers, login callback handler config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.callback.handler.class=com.example.CustomScramLoginCallbackHandler</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.class"></a><a id="consumerconfigs_sasl.login.class" href="#consumerconfigs_sasl.login.class">sasl.login.class</a></h4>
+<p>The fully qualified name of a class that implements the Login interface. For brokers, login config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.class=com.example.CustomScramLogin</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.mechanism"></a><a id="consumerconfigs_sasl.mechanism" href="#consumerconfigs_sasl.mechanism">sasl.mechanism</a></h4>
+<p>SASL mechanism used for client connections. This may be any mechanism for which a security provider is available. GSSAPI is the default mechanism.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.protocol"></a><a id="consumerconfigs_security.protocol" href="#consumerconfigs_security.protocol">security.protocol</a></h4>
+<p>Protocol used to communicate with brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="send.buffer.bytes"></a><a id="consumerconfigs_send.buffer.bytes" href="#consumerconfigs_send.buffer.bytes">send.buffer.bytes</a></h4>
+<p>The size of the TCP send buffer (SO_SNDBUF) to use when sending data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>131072 (128 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.max.ms"></a><a id="consumerconfigs_socket.connection.setup.timeout.max.ms" href="#consumerconfigs_socket.connection.setup.timeout.max.ms">socket.connection.setup.timeout.max.ms</a></h4>
+<p>The maximum amount of time the client will wait for the socket connection to be established. The connection setup timeout will increase exponentially for each consecutive connection failure up to this maximum. To avoid connection storms, a randomization factor of 0.2 will be applied to the timeout resulting in a random range between 20% below and 20% above the computed value.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>127000 (127 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.ms"></a><a id="consumerconfigs_socket.connection.setup.timeout.ms" href="#consumerconfigs_socket.connection.setup.timeout.ms">socket.connection.setup.timeout.ms</a></h4>
+<p>The amount of time the client will wait for the socket connection to be established. If the connection is not built before the timeout elapses, clients will close the socket channel.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.enabled.protocols"></a><a id="consumerconfigs_ssl.enabled.protocols" href="#consumerconfigs_ssl.enabled.protocols">ssl.enabled.protocols</a></h4>
+<p>The list of protocols enabled for SSL connections. The default is 'TLSv1.2,TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. With the default value for Java 11, clients and servers will prefer TLSv1.3 if both support it and fallback to TLSv1.2 otherwise (assuming both support at least TLSv1.2). This default should be fine for most cases. Also see the config documentation for `ssl.protocol`.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.type"></a><a id="consumerconfigs_ssl.keystore.type" href="#consumerconfigs_ssl.keystore.type">ssl.keystore.type</a></h4>
+<p>The file format of the key store file. This is optional for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.protocol"></a><a id="consumerconfigs_ssl.protocol" href="#consumerconfigs_ssl.protocol">ssl.protocol</a></h4>
+<p>The SSL protocol used to generate the SSLContext. The default is 'TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. This value should be fine for most use cases. Allowed values in recent JVMs are 'TLSv1.2' and 'TLSv1.3'. 'TLS', 'TLSv1.1', 'SSL', 'SSLv2' and 'SSLv3' may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities. With the default value for this config and 'ssl.enabled.protocols', clients will downgrade to 'TLSv1.2' i [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.provider"></a><a id="consumerconfigs_ssl.provider" href="#consumerconfigs_ssl.provider">ssl.provider</a></h4>
+<p>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.type"></a><a id="consumerconfigs_ssl.truststore.type" href="#consumerconfigs_ssl.truststore.type">ssl.truststore.type</a></h4>
+<p>The file format of the trust store file.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="auto.commit.interval.ms"></a><a id="consumerconfigs_auto.commit.interval.ms" href="#consumerconfigs_auto.commit.interval.ms">auto.commit.interval.ms</a></h4>
+<p>The frequency in milliseconds that the consumer offsets are auto-committed to Kafka if <code>enable.auto.commit</code> is set to <code>true</code>.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="check.crcs"></a><a id="consumerconfigs_check.crcs" href="#consumerconfigs_check.crcs">check.crcs</a></h4>
+<p>Automatically check the CRC32 of the records consumed. This ensures no on-the-wire or on-disk corruption to the messages occurred. This check adds some overhead, so it may be disabled in cases seeking extreme performance.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.id"></a><a id="consumerconfigs_client.id" href="#consumerconfigs_client.id">client.id</a></h4>
+<p>An id string to pass to the server when making requests. The purpose of this is to be able to track the source of requests beyond just ip/port by allowing a logical application name to be included in server-side request logging.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.rack"></a><a id="consumerconfigs_client.rack" href="#consumerconfigs_client.rack">client.rack</a></h4>
+<p>A rack identifier for this client. This can be any string value which indicates where this client is physically located. It corresponds with the broker config 'broker.rack'</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="fetch.max.wait.ms"></a><a id="consumerconfigs_fetch.max.wait.ms" href="#consumerconfigs_fetch.max.wait.ms">fetch.max.wait.ms</a></h4>
+<p>The maximum amount of time the server will block before answering the fetch request if there isn't sufficient data to immediately satisfy the requirement given by fetch.min.bytes.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>500</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="interceptor.classes"></a><a id="consumerconfigs_interceptor.classes" href="#consumerconfigs_interceptor.classes">interceptor.classes</a></h4>
+<p>A list of classes to use as interceptors. Implementing the <code>org.apache.kafka.clients.consumer.ConsumerInterceptor</code> interface allows you to intercept (and possibly mutate) records received by the consumer. By default, there are no interceptors.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metadata.max.age.ms"></a><a id="consumerconfigs_metadata.max.age.ms" href="#consumerconfigs_metadata.max.age.ms">metadata.max.age.ms</a></h4>
+<p>The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metric.reporters"></a><a id="consumerconfigs_metric.reporters" href="#consumerconfigs_metric.reporters">metric.reporters</a></h4>
+<p>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.num.samples"></a><a id="consumerconfigs_metrics.num.samples" href="#consumerconfigs_metrics.num.samples">metrics.num.samples</a></h4>
+<p>The number of samples maintained to compute metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.recording.level"></a><a id="consumerconfigs_metrics.recording.level" href="#consumerconfigs_metrics.recording.level">metrics.recording.level</a></h4>
+<p>The highest recording level for metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>INFO</td></tr>
+<tr><th>Valid Values:</th><td>[INFO, DEBUG, TRACE]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.sample.window.ms"></a><a id="consumerconfigs_metrics.sample.window.ms" href="#consumerconfigs_metrics.sample.window.ms">metrics.sample.window.ms</a></h4>
+<p>The window of time a metrics sample is computed over.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.max.ms"></a><a id="consumerconfigs_reconnect.backoff.max.ms" href="#consumerconfigs_reconnect.backoff.max.ms">reconnect.backoff.max.ms</a></h4>
+<p>The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect. If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum. After calculating the backoff increase, 20% random jitter is added to avoid connection storms.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>1000 (1 second)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.ms"></a><a id="consumerconfigs_reconnect.backoff.ms" href="#consumerconfigs_reconnect.backoff.ms">reconnect.backoff.ms</a></h4>
+<p>The base amount of time to wait before attempting to reconnect to a given host. This avoids repeatedly connecting to a host in a tight loop. This backoff applies to all connection attempts by the client to a broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retry.backoff.ms"></a><a id="consumerconfigs_retry.backoff.ms" href="#consumerconfigs_retry.backoff.ms">retry.backoff.ms</a></h4>
+<p>The amount of time to wait before attempting to retry a failed request to a given topic partition. This avoids repeatedly sending requests in a tight loop under some failure scenarios.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>100</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.kinit.cmd"></a><a id="consumerconfigs_sasl.kerberos.kinit.cmd" href="#consumerconfigs_sasl.kerberos.kinit.cmd">sasl.kerberos.kinit.cmd</a></h4>
+<p>Kerberos kinit command path.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/usr/bin/kinit</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.min.time.before.relogin"></a><a id="consumerconfigs_sasl.kerberos.min.time.before.relogin" href="#consumerconfigs_sasl.kerberos.min.time.before.relogin">sasl.kerberos.min.time.before.relogin</a></h4>
+<p>Login thread sleep time between refresh attempts.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.jitter"></a><a id="consumerconfigs_sasl.kerberos.ticket.renew.jitter" href="#consumerconfigs_sasl.kerberos.ticket.renew.jitter">sasl.kerberos.ticket.renew.jitter</a></h4>
+<p>Percentage of random jitter added to the renewal time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.window.factor"></a><a id="consumerconfigs_sasl.kerberos.ticket.renew.window.factor" href="#consumerconfigs_sasl.kerberos.ticket.renew.window.factor">sasl.kerberos.ticket.renew.window.factor</a></h4>
+<p>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.buffer.seconds"></a><a id="consumerconfigs_sasl.login.refresh.buffer.seconds" href="#consumerconfigs_sasl.login.refresh.buffer.seconds">sasl.login.refresh.buffer.seconds</a></h4>
+<p>The amount of buffer time before credential expiration to maintain when refreshing a credential, in seconds. If a refresh would otherwise occur closer to expiration than the number of buffer seconds then the refresh will be moved up to maintain as much of the buffer time as possible. Legal values are between 0 and 3600 (1 hour); a default value of 300 (5 minutes) is used if no value is specified. This value and sasl.login.refresh.min.period.seconds are both ignored if their sum excee [...]
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,3600]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.min.period.seconds"></a><a id="consumerconfigs_sasl.login.refresh.min.period.seconds" href="#consumerconfigs_sasl.login.refresh.min.period.seconds">sasl.login.refresh.min.period.seconds</a></h4>
+<p>The desired minimum time for the login refresh thread to wait before refreshing a credential, in seconds. Legal values are between 0 and 900 (15 minutes); a default value of 60 (1 minute) is used if no value is specified. This value and sasl.login.refresh.buffer.seconds are both ignored if their sum exceeds the remaining lifetime of a credential. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>60</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,900]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.factor"></a><a id="consumerconfigs_sasl.login.refresh.window.factor" href="#consumerconfigs_sasl.login.refresh.window.factor">sasl.login.refresh.window.factor</a></h4>
+<p>Login refresh thread will sleep until the specified window factor relative to the credential's lifetime has been reached, at which time it will try to refresh the credential. Legal values are between 0.5 (50%) and 1.0 (100%) inclusive; a default value of 0.8 (80%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td>[0.5,...,1.0]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.jitter"></a><a id="consumerconfigs_sasl.login.refresh.window.jitter" href="#consumerconfigs_sasl.login.refresh.window.jitter">sasl.login.refresh.window.jitter</a></h4>
+<p>The maximum amount of random jitter relative to the credential's lifetime that is added to the login refresh thread's sleep time. Legal values are between 0 and 0.25 (25%) inclusive; a default value of 0.05 (5%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td>[0.0,...,0.25]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.providers"></a><a id="consumerconfigs_security.providers" href="#consumerconfigs_security.providers">security.providers</a></h4>
+<p>A list of configurable creator classes each returning a provider implementing security algorithms. These classes should implement the <code>org.apache.kafka.common.security.auth.SecurityProviderCreator</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.cipher.suites"></a><a id="consumerconfigs_ssl.cipher.suites" href="#consumerconfigs_ssl.cipher.suites">ssl.cipher.suites</a></h4>
+<p>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.endpoint.identification.algorithm"></a><a id="consumerconfigs_ssl.endpoint.identification.algorithm" href="#consumerconfigs_ssl.endpoint.identification.algorithm">ssl.endpoint.identification.algorithm</a></h4>
+<p>The endpoint identification algorithm to validate server hostname using server certificate. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>https</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.engine.factory.class"></a><a id="consumerconfigs_ssl.engine.factory.class" href="#consumerconfigs_ssl.engine.factory.class">ssl.engine.factory.class</a></h4>
+<p>The class of type org.apache.kafka.common.security.auth.SslEngineFactory to provide SSLEngine objects. Default value is org.apache.kafka.common.security.ssl.DefaultSslEngineFactory</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keymanager.algorithm"></a><a id="consumerconfigs_ssl.keymanager.algorithm" href="#consumerconfigs_ssl.keymanager.algorithm">ssl.keymanager.algorithm</a></h4>
+<p>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>SunX509</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.secure.random.implementation"></a><a id="consumerconfigs_ssl.secure.random.implementation" href="#consumerconfigs_ssl.secure.random.implementation">ssl.secure.random.implementation</a></h4>
+<p>The SecureRandom PRNG implementation to use for SSL cryptography operations. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.trustmanager.algorithm"></a><a id="consumerconfigs_ssl.trustmanager.algorithm" href="#consumerconfigs_ssl.trustmanager.algorithm">ssl.trustmanager.algorithm</a></h4>
+<p>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PKIX</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
diff --git a/27/generated/consumer_metrics.html b/27/generated/consumer_metrics.html
new file mode 100644
index 0000000..d9ae7af
--- /dev/null
+++ b/27/generated/consumer_metrics.html
@@ -0,0 +1,81 @@
+<table class="data-table"><tbody>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.consumer:type=consumer-fetch-manager-metrics,client-id="{client-id}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>bytes-consumed-rate</td><td>The average number of bytes consumed per second</td></tr>
+<tr>
+<td></td><td>bytes-consumed-total</td><td>The total number of bytes consumed</td></tr>
+<tr>
+<td></td><td>fetch-latency-avg</td><td>The average time taken for a fetch request.</td></tr>
+<tr>
+<td></td><td>fetch-latency-max</td><td>The max time taken for any fetch request.</td></tr>
+<tr>
+<td></td><td>fetch-rate</td><td>The number of fetch requests per second.</td></tr>
+<tr>
+<td></td><td>fetch-size-avg</td><td>The average number of bytes fetched per request</td></tr>
+<tr>
+<td></td><td>fetch-size-max</td><td>The maximum number of bytes fetched per request</td></tr>
+<tr>
+<td></td><td>fetch-throttle-time-avg</td><td>The average throttle time in ms</td></tr>
+<tr>
+<td></td><td>fetch-throttle-time-max</td><td>The maximum throttle time in ms</td></tr>
+<tr>
+<td></td><td>fetch-total</td><td>The total number of fetch requests.</td></tr>
+<tr>
+<td></td><td>records-consumed-rate</td><td>The average number of records consumed per second</td></tr>
+<tr>
+<td></td><td>records-consumed-total</td><td>The total number of records consumed</td></tr>
+<tr>
+<td></td><td>records-lag-max</td><td>The maximum lag in terms of number of records for any partition in this window</td></tr>
+<tr>
+<td></td><td>records-lead-min</td><td>The minimum lead in terms of number of records for any partition in this window</td></tr>
+<tr>
+<td></td><td>records-per-request-avg</td><td>The average number of records in each request</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.consumer:type=consumer-fetch-manager-metrics,client-id="{client-id}",topic="{topic}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>bytes-consumed-rate</td><td>The average number of bytes consumed per second for a topic</td></tr>
+<tr>
+<td></td><td>bytes-consumed-total</td><td>The total number of bytes consumed for a topic</td></tr>
+<tr>
+<td></td><td>fetch-size-avg</td><td>The average number of bytes fetched per request for a topic</td></tr>
+<tr>
+<td></td><td>fetch-size-max</td><td>The maximum number of bytes fetched per request for a topic</td></tr>
+<tr>
+<td></td><td>records-consumed-rate</td><td>The average number of records consumed per second for a topic</td></tr>
+<tr>
+<td></td><td>records-consumed-total</td><td>The total number of records consumed for a topic</td></tr>
+<tr>
+<td></td><td>records-per-request-avg</td><td>The average number of records in each request for a topic</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.consumer:type=consumer-fetch-manager-metrics,partition="{partition}",topic="{topic}",client-id="{client-id}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>preferred-read-replica</td><td>The current read replica for the partition, or -1 if reading from leader</td></tr>
+<tr>
+<td></td><td>records-lag</td><td>The latest lag of the partition</td></tr>
+<tr>
+<td></td><td>records-lag-avg</td><td>The average lag of the partition</td></tr>
+<tr>
+<td></td><td>records-lag-max</td><td>The max lag of the partition</td></tr>
+<tr>
+<td></td><td>records-lead</td><td>The latest lead of the partition</td></tr>
+<tr>
+<td></td><td>records-lead-avg</td><td>The average lead of the partition</td></tr>
+<tr>
+<td></td><td>records-lead-min</td><td>The min lead of the partition</td></tr>
+</tbody></table>
diff --git a/27/generated/kafka_config.html b/27/generated/kafka_config.html
new file mode 100644
index 0000000..3df9adb
--- /dev/null
+++ b/27/generated/kafka_config.html
@@ -0,0 +1,2379 @@
+<ul class="config-list">
+<li>
+<h4><a id="zookeeper.connect"></a><a id="brokerconfigs_zookeeper.connect" href="#brokerconfigs_zookeeper.connect">zookeeper.connect</a></h4>
+<p>Specifies the ZooKeeper connection string in the form <code>hostname:port</code> where host and port are the host and port of a ZooKeeper server. To allow connecting through other ZooKeeper nodes when that ZooKeeper machine is down you can also specify multiple hosts in the form <code>hostname1:port1,hostname2:port2,hostname3:port3</code>.<br>The server can also have a ZooKeeper chroot path as part of its ZooKeeper connection string which puts its data under some path in the global Zo [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="advertised.host.name"></a><a id="brokerconfigs_advertised.host.name" href="#brokerconfigs_advertised.host.name">advertised.host.name</a></h4>
+<p>DEPRECATED: only used when <code>advertised.listeners</code> or <code>listeners</code> are not set. Use <code>advertised.listeners</code> instead. <br>Hostname to publish to ZooKeeper for clients to use. In IaaS environments, this may need to be different from the interface to which the broker binds. If this is not set, it will use the value for <code>host.name</code> if configured. Otherwise it will use the value returned from java.net.InetAddress.getCanonicalHostName().</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="advertised.listeners"></a><a id="brokerconfigs_advertised.listeners" href="#brokerconfigs_advertised.listeners">advertised.listeners</a></h4>
+<p>Listeners to publish to ZooKeeper for clients to use, if different than the <code>listeners</code> config property. In IaaS environments, this may need to be different from the interface to which the broker binds. If this is not set, the value for <code>listeners</code> will be used. Unlike <code>listeners</code>, it is not valid to advertise the 0.0.0.0 meta-address.<br> Also unlike <code>listeners</code>, there can be duplicated ports in this property, so that one listener can be co [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="advertised.port"></a><a id="brokerconfigs_advertised.port" href="#brokerconfigs_advertised.port">advertised.port</a></h4>
+<p>DEPRECATED: only used when <code>advertised.listeners</code> or <code>listeners</code> are not set. Use <code>advertised.listeners</code> instead. <br>The port to publish to ZooKeeper for clients to use. In IaaS environments, this may need to be different from the port to which the broker binds. If this is not set, it will publish the same port that the broker binds to.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="auto.create.topics.enable"></a><a id="brokerconfigs_auto.create.topics.enable" href="#brokerconfigs_auto.create.topics.enable">auto.create.topics.enable</a></h4>
+<p>Enable auto creation of topic on the server</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="auto.leader.rebalance.enable"></a><a id="brokerconfigs_auto.leader.rebalance.enable" href="#brokerconfigs_auto.leader.rebalance.enable">auto.leader.rebalance.enable</a></h4>
+<p>Enables auto leader balancing. A background thread checks the distribution of partition leaders at regular intervals, configurable by `leader.imbalance.check.interval.seconds`. If the leader imbalance exceeds `leader.imbalance.per.broker.percentage`, leader rebalance to the preferred leader for partitions is triggered.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="background.threads"></a><a id="brokerconfigs_background.threads" href="#brokerconfigs_background.threads">background.threads</a></h4>
+<p>The number of threads to use for various background processing tasks</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="broker.id"></a><a id="brokerconfigs_broker.id" href="#brokerconfigs_broker.id">broker.id</a></h4>
+<p>The broker id for this server. If unset, a unique broker id will be generated.To avoid conflicts between zookeeper generated broker id's and user configured broker id's, generated broker ids start from reserved.broker.max.id + 1.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>-1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="compression.type"></a><a id="brokerconfigs_compression.type" href="#brokerconfigs_compression.type">compression.type</a></h4>
+<p>Specify the final compression type for a given topic. This configuration accepts the standard compression codecs ('gzip', 'snappy', 'lz4', 'zstd'). It additionally accepts 'uncompressed' which is equivalent to no compression; and 'producer' which means retain the original compression codec set by the producer.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>producer</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="control.plane.listener.name"></a><a id="brokerconfigs_control.plane.listener.name" href="#brokerconfigs_control.plane.listener.name">control.plane.listener.name</a></h4>
+<p>Name of listener used for communication between controller and brokers. Broker will use the control.plane.listener.name to locate the endpoint in listeners list, to listen for connections from the controller. For example, if a broker's config is :<br>listeners = INTERNAL://192.1.1.8:9092, EXTERNAL://10.1.1.5:9093, CONTROLLER://192.1.1.8:9094<br>listener.security.protocol.map = INTERNAL:PLAINTEXT, EXTERNAL:SSL, CONTROLLER:SSL<br>control.plane.listener.name = CONTROLLER<br>On startup, t [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delete.topic.enable"></a><a id="brokerconfigs_delete.topic.enable" href="#brokerconfigs_delete.topic.enable">delete.topic.enable</a></h4>
+<p>Enables delete topic. Delete topic through the admin tool will have no effect if this config is turned off</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="host.name"></a><a id="brokerconfigs_host.name" href="#brokerconfigs_host.name">host.name</a></h4>
+<p>DEPRECATED: only used when <code>listeners</code> is not set. Use <code>listeners</code> instead. <br>hostname of broker. If this is set, it will only bind to this address. If this is not set, it will bind to all interfaces</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="leader.imbalance.check.interval.seconds"></a><a id="brokerconfigs_leader.imbalance.check.interval.seconds" href="#brokerconfigs_leader.imbalance.check.interval.seconds">leader.imbalance.check.interval.seconds</a></h4>
+<p>The frequency with which the partition rebalance check is triggered by the controller</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="leader.imbalance.per.broker.percentage"></a><a id="brokerconfigs_leader.imbalance.per.broker.percentage" href="#brokerconfigs_leader.imbalance.per.broker.percentage">leader.imbalance.per.broker.percentage</a></h4>
+<p>The ratio of leader imbalance allowed per broker. The controller would trigger a leader balance if it goes above this value per broker. The value is specified in percentage.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="listeners"></a><a id="brokerconfigs_listeners" href="#brokerconfigs_listeners">listeners</a></h4>
+<p>Listener List - Comma-separated list of URIs we will listen on and the listener names. If the listener name is not a security protocol, <code>listener.security.protocol.map<code> must also be set.<br> Listener names and port numbers must be unique.<br> Specify hostname as 0.0.0.0 to bind to all interfaces.<br> Leave hostname empty to bind to default interface.<br> Examples of legal listener lists:<br> PLAINTEXT://myhost:9092,SSL://:9091<br> CLIENT://0.0.0.0:9092,REPLICATION://localhos [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.dir"></a><a id="brokerconfigs_log.dir" href="#brokerconfigs_log.dir">log.dir</a></h4>
+<p>The directory in which the log data is kept (supplemental for log.dirs property)</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/tmp/kafka-logs</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.dirs"></a><a id="brokerconfigs_log.dirs" href="#brokerconfigs_log.dirs">log.dirs</a></h4>
+<p>The directories in which the log data is kept. If not set, the value in log.dir is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.flush.interval.messages"></a><a id="brokerconfigs_log.flush.interval.messages" href="#brokerconfigs_log.flush.interval.messages">log.flush.interval.messages</a></h4>
+<p>The number of messages accumulated on a log partition before messages are flushed to disk </p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.flush.interval.ms"></a><a id="brokerconfigs_log.flush.interval.ms" href="#brokerconfigs_log.flush.interval.ms">log.flush.interval.ms</a></h4>
+<p>The maximum time in ms that a message in any topic is kept in memory before flushed to disk. If not set, the value in log.flush.scheduler.interval.ms is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.flush.offset.checkpoint.interval.ms"></a><a id="brokerconfigs_log.flush.offset.checkpoint.interval.ms" href="#brokerconfigs_log.flush.offset.checkpoint.interval.ms">log.flush.offset.checkpoint.interval.ms</a></h4>
+<p>The frequency with which we update the persistent record of the last flush which acts as the log recovery point</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.flush.scheduler.interval.ms"></a><a id="brokerconfigs_log.flush.scheduler.interval.ms" href="#brokerconfigs_log.flush.scheduler.interval.ms">log.flush.scheduler.interval.ms</a></h4>
+<p>The frequency in ms that the log flusher checks whether any log needs to be flushed to disk</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.flush.start.offset.checkpoint.interval.ms"></a><a id="brokerconfigs_log.flush.start.offset.checkpoint.interval.ms" href="#brokerconfigs_log.flush.start.offset.checkpoint.interval.ms">log.flush.start.offset.checkpoint.interval.ms</a></h4>
+<p>The frequency with which we update the persistent record of log start offset</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.retention.bytes"></a><a id="brokerconfigs_log.retention.bytes" href="#brokerconfigs_log.retention.bytes">log.retention.bytes</a></h4>
+<p>The maximum size of the log before deleting it</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>-1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.retention.hours"></a><a id="brokerconfigs_log.retention.hours" href="#brokerconfigs_log.retention.hours">log.retention.hours</a></h4>
+<p>The number of hours to keep a log file before deleting it (in hours), tertiary to log.retention.ms property</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>168</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.retention.minutes"></a><a id="brokerconfigs_log.retention.minutes" href="#brokerconfigs_log.retention.minutes">log.retention.minutes</a></h4>
+<p>The number of minutes to keep a log file before deleting it (in minutes), secondary to log.retention.ms property. If not set, the value in log.retention.hours is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.retention.ms"></a><a id="brokerconfigs_log.retention.ms" href="#brokerconfigs_log.retention.ms">log.retention.ms</a></h4>
+<p>The number of milliseconds to keep a log file before deleting it (in milliseconds), If not set, the value in log.retention.minutes is used. If set to -1, no time limit is applied.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.roll.hours"></a><a id="brokerconfigs_log.roll.hours" href="#brokerconfigs_log.roll.hours">log.roll.hours</a></h4>
+<p>The maximum time before a new log segment is rolled out (in hours), secondary to log.roll.ms property</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>168</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.roll.jitter.hours"></a><a id="brokerconfigs_log.roll.jitter.hours" href="#brokerconfigs_log.roll.jitter.hours">log.roll.jitter.hours</a></h4>
+<p>The maximum jitter to subtract from logRollTimeMillis (in hours), secondary to log.roll.jitter.ms property</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>0</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.roll.jitter.ms"></a><a id="brokerconfigs_log.roll.jitter.ms" href="#brokerconfigs_log.roll.jitter.ms">log.roll.jitter.ms</a></h4>
+<p>The maximum jitter to subtract from logRollTimeMillis (in milliseconds). If not set, the value in log.roll.jitter.hours is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.roll.ms"></a><a id="brokerconfigs_log.roll.ms" href="#brokerconfigs_log.roll.ms">log.roll.ms</a></h4>
+<p>The maximum time before a new log segment is rolled out (in milliseconds). If not set, the value in log.roll.hours is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.segment.bytes"></a><a id="brokerconfigs_log.segment.bytes" href="#brokerconfigs_log.segment.bytes">log.segment.bytes</a></h4>
+<p>The maximum size of a single log file</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1073741824 (1 gibibyte)</td></tr>
+<tr><th>Valid Values:</th><td>[14,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.segment.delete.delay.ms"></a><a id="brokerconfigs_log.segment.delete.delay.ms" href="#brokerconfigs_log.segment.delete.delay.ms">log.segment.delete.delay.ms</a></h4>
+<p>The amount of time to wait before deleting a file from the filesystem</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="message.max.bytes"></a><a id="brokerconfigs_message.max.bytes" href="#brokerconfigs_message.max.bytes">message.max.bytes</a></h4>
+<p>The largest record batch size allowed by Kafka (after compression if compression is enabled). If this is increased and there are consumers older than 0.10.2, the consumers' fetch size must also be increased so that they can fetch record batches this large. In the latest message format version, records are always grouped into batches for efficiency. In previous message format versions, uncompressed records are not grouped into batches and this limit only applies to a single record in t [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1048588</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="min.insync.replicas"></a><a id="brokerconfigs_min.insync.replicas" href="#brokerconfigs_min.insync.replicas">min.insync.replicas</a></h4>
+<p>When a producer sets acks to "all" (or "-1"), min.insync.replicas specifies the minimum number of replicas that must acknowledge a write for the write to be considered successful. If this minimum cannot be met, then the producer will raise an exception (either NotEnoughReplicas or NotEnoughReplicasAfterAppend).<br>When used together, min.insync.replicas and acks allow you to enforce greater durability guarantees. A typical scenario would be to create a topic with a replication factor [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.io.threads"></a><a id="brokerconfigs_num.io.threads" href="#brokerconfigs_num.io.threads">num.io.threads</a></h4>
+<p>The number of threads that the server uses for processing requests, which may include disk I/O</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>8</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.network.threads"></a><a id="brokerconfigs_num.network.threads" href="#brokerconfigs_num.network.threads">num.network.threads</a></h4>
+<p>The number of threads that the server uses for receiving requests from the network and sending responses to the network</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.recovery.threads.per.data.dir"></a><a id="brokerconfigs_num.recovery.threads.per.data.dir" href="#brokerconfigs_num.recovery.threads.per.data.dir">num.recovery.threads.per.data.dir</a></h4>
+<p>The number of threads per data directory to be used for log recovery at startup and flushing at shutdown</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.replica.alter.log.dirs.threads"></a><a id="brokerconfigs_num.replica.alter.log.dirs.threads" href="#brokerconfigs_num.replica.alter.log.dirs.threads">num.replica.alter.log.dirs.threads</a></h4>
+<p>The number of threads that can move replicas between log directories, which may include disk I/O</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.replica.fetchers"></a><a id="brokerconfigs_num.replica.fetchers" href="#brokerconfigs_num.replica.fetchers">num.replica.fetchers</a></h4>
+<p>Number of fetcher threads used to replicate messages from a source broker. Increasing this value can increase the degree of I/O parallelism in the follower broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offset.metadata.max.bytes"></a><a id="brokerconfigs_offset.metadata.max.bytes" href="#brokerconfigs_offset.metadata.max.bytes">offset.metadata.max.bytes</a></h4>
+<p>The maximum size for a metadata entry associated with an offset commit</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>4096 (4 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.commit.required.acks"></a><a id="brokerconfigs_offsets.commit.required.acks" href="#brokerconfigs_offsets.commit.required.acks">offsets.commit.required.acks</a></h4>
+<p>The required acks before the commit can be accepted. In general, the default (-1) should not be overridden</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>-1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.commit.timeout.ms"></a><a id="brokerconfigs_offsets.commit.timeout.ms" href="#brokerconfigs_offsets.commit.timeout.ms">offsets.commit.timeout.ms</a></h4>
+<p>Offset commit will be delayed until all replicas for the offsets topic receive the commit or this timeout is reached. This is similar to the producer request timeout.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.load.buffer.size"></a><a id="brokerconfigs_offsets.load.buffer.size" href="#brokerconfigs_offsets.load.buffer.size">offsets.load.buffer.size</a></h4>
+<p>Batch size for reading from the offsets segments when loading offsets into the cache (soft-limit, overridden if records are too large).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5242880</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.retention.check.interval.ms"></a><a id="brokerconfigs_offsets.retention.check.interval.ms" href="#brokerconfigs_offsets.retention.check.interval.ms">offsets.retention.check.interval.ms</a></h4>
+<p>Frequency at which to check for stale offsets</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>600000 (10 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.retention.minutes"></a><a id="brokerconfigs_offsets.retention.minutes" href="#brokerconfigs_offsets.retention.minutes">offsets.retention.minutes</a></h4>
+<p>After a consumer group loses all its consumers (i.e. becomes empty) its offsets will be kept for this retention period before getting discarded. For standalone consumers (using manual assignment), offsets will be expired after the time of last commit plus this retention period.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10080</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.topic.compression.codec"></a><a id="brokerconfigs_offsets.topic.compression.codec" href="#brokerconfigs_offsets.topic.compression.codec">offsets.topic.compression.codec</a></h4>
+<p>Compression codec for the offsets topic - compression may be used to achieve "atomic" commits</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>0</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.topic.num.partitions"></a><a id="brokerconfigs_offsets.topic.num.partitions" href="#brokerconfigs_offsets.topic.num.partitions">offsets.topic.num.partitions</a></h4>
+<p>The number of partitions for the offset commit topic (should not change after deployment)</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.topic.replication.factor"></a><a id="brokerconfigs_offsets.topic.replication.factor" href="#brokerconfigs_offsets.topic.replication.factor">offsets.topic.replication.factor</a></h4>
+<p>The replication factor for the offsets topic (set higher to ensure availability). Internal topic creation will fail until the cluster size meets this replication factor requirement.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="offsets.topic.segment.bytes"></a><a id="brokerconfigs_offsets.topic.segment.bytes" href="#brokerconfigs_offsets.topic.segment.bytes">offsets.topic.segment.bytes</a></h4>
+<p>The offsets topic segment bytes should be kept relatively small in order to facilitate faster log compaction and cache loads</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>104857600 (100 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="port"></a><a id="brokerconfigs_port" href="#brokerconfigs_port">port</a></h4>
+<p>DEPRECATED: only used when <code>listeners</code> is not set. Use <code>listeners</code> instead. <br>the port to listen and accept connections on</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>9092</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="queued.max.requests"></a><a id="brokerconfigs_queued.max.requests" href="#brokerconfigs_queued.max.requests">queued.max.requests</a></h4>
+<p>The number of queued requests allowed for data-plane, before blocking the network threads</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>500</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="quota.consumer.default"></a><a id="brokerconfigs_quota.consumer.default" href="#brokerconfigs_quota.consumer.default">quota.consumer.default</a></h4>
+<p>DEPRECATED: Used only when dynamic default quotas are not configured for <user, <client-id> or <user, client-id> in Zookeeper. Any consumer distinguished by clientId/consumer group will get throttled if it fetches more bytes than this value per-second</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="quota.producer.default"></a><a id="brokerconfigs_quota.producer.default" href="#brokerconfigs_quota.producer.default">quota.producer.default</a></h4>
+<p>DEPRECATED: Used only when dynamic default quotas are not configured for <user>, <client-id> or <user, client-id> in Zookeeper. Any producer distinguished by clientId will get throttled if it produces more bytes than this value per-second</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.fetch.min.bytes"></a><a id="brokerconfigs_replica.fetch.min.bytes" href="#brokerconfigs_replica.fetch.min.bytes">replica.fetch.min.bytes</a></h4>
+<p>Minimum bytes expected for each fetch response. If not enough bytes, wait up to <code>replica.fetch.wait.max.ms</code> (broker config).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.fetch.wait.max.ms"></a><a id="brokerconfigs_replica.fetch.wait.max.ms" href="#brokerconfigs_replica.fetch.wait.max.ms">replica.fetch.wait.max.ms</a></h4>
+<p>max wait time for each fetcher request issued by follower replicas. This value should always be less than the replica.lag.time.max.ms at all times to prevent frequent shrinking of ISR for low throughput topics</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>500</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.high.watermark.checkpoint.interval.ms"></a><a id="brokerconfigs_replica.high.watermark.checkpoint.interval.ms" href="#brokerconfigs_replica.high.watermark.checkpoint.interval.ms">replica.high.watermark.checkpoint.interval.ms</a></h4>
+<p>The frequency with which the high watermark is saved out to disk</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.lag.time.max.ms"></a><a id="brokerconfigs_replica.lag.time.max.ms" href="#brokerconfigs_replica.lag.time.max.ms">replica.lag.time.max.ms</a></h4>
+<p>If a follower hasn't sent any fetch requests or hasn't consumed up to the leaders log end offset for at least this time, the leader will remove the follower from isr</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.socket.receive.buffer.bytes"></a><a id="brokerconfigs_replica.socket.receive.buffer.bytes" href="#brokerconfigs_replica.socket.receive.buffer.bytes">replica.socket.receive.buffer.bytes</a></h4>
+<p>The socket receive buffer for network requests</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>65536 (64 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.socket.timeout.ms"></a><a id="brokerconfigs_replica.socket.timeout.ms" href="#brokerconfigs_replica.socket.timeout.ms">replica.socket.timeout.ms</a></h4>
+<p>The socket timeout for network requests. Its value should be at least replica.fetch.wait.max.ms</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="request.timeout.ms"></a><a id="brokerconfigs_request.timeout.ms" href="#brokerconfigs_request.timeout.ms">request.timeout.ms</a></h4>
+<p>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.receive.buffer.bytes"></a><a id="brokerconfigs_socket.receive.buffer.bytes" href="#brokerconfigs_socket.receive.buffer.bytes">socket.receive.buffer.bytes</a></h4>
+<p>The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>102400 (100 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.request.max.bytes"></a><a id="brokerconfigs_socket.request.max.bytes" href="#brokerconfigs_socket.request.max.bytes">socket.request.max.bytes</a></h4>
+<p>The maximum number of bytes in a socket request</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>104857600 (100 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.send.buffer.bytes"></a><a id="brokerconfigs_socket.send.buffer.bytes" href="#brokerconfigs_socket.send.buffer.bytes">socket.send.buffer.bytes</a></h4>
+<p>The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>102400 (100 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.max.timeout.ms"></a><a id="brokerconfigs_transaction.max.timeout.ms" href="#brokerconfigs_transaction.max.timeout.ms">transaction.max.timeout.ms</a></h4>
+<p>The maximum allowed timeout for transactions. If a client’s requested transaction time exceed this, then the broker will return an error in InitProducerIdRequest. This prevents a client from too large of a timeout, which can stall consumers reading from topics included in the transaction.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>900000 (15 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.state.log.load.buffer.size"></a><a id="brokerconfigs_transaction.state.log.load.buffer.size" href="#brokerconfigs_transaction.state.log.load.buffer.size">transaction.state.log.load.buffer.size</a></h4>
+<p>Batch size for reading from the transaction log segments when loading producer ids and transactions into the cache (soft-limit, overridden if records are too large).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5242880</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.state.log.min.isr"></a><a id="brokerconfigs_transaction.state.log.min.isr" href="#brokerconfigs_transaction.state.log.min.isr">transaction.state.log.min.isr</a></h4>
+<p>Overridden min.insync.replicas config for the transaction topic.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.state.log.num.partitions"></a><a id="brokerconfigs_transaction.state.log.num.partitions" href="#brokerconfigs_transaction.state.log.num.partitions">transaction.state.log.num.partitions</a></h4>
+<p>The number of partitions for the transaction topic (should not change after deployment).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.state.log.replication.factor"></a><a id="brokerconfigs_transaction.state.log.replication.factor" href="#brokerconfigs_transaction.state.log.replication.factor">transaction.state.log.replication.factor</a></h4>
+<p>The replication factor for the transaction topic (set higher to ensure availability). Internal topic creation will fail until the cluster size meets this replication factor requirement.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.state.log.segment.bytes"></a><a id="brokerconfigs_transaction.state.log.segment.bytes" href="#brokerconfigs_transaction.state.log.segment.bytes">transaction.state.log.segment.bytes</a></h4>
+<p>The transaction topic segment bytes should be kept relatively small in order to facilitate faster log compaction and cache loads</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>104857600 (100 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transactional.id.expiration.ms"></a><a id="brokerconfigs_transactional.id.expiration.ms" href="#brokerconfigs_transactional.id.expiration.ms">transactional.id.expiration.ms</a></h4>
+<p>The time in ms that the transaction coordinator will wait without receiving any transaction status updates for the current transaction before expiring its transactional id. This setting also influences producer id expiration - producer ids are expired once this time has elapsed after the last write with the given producer id. Note that producer ids may expire sooner if the last write from the producer id is deleted due to the topic's retention settings.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>604800000 (7 days)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="unclean.leader.election.enable"></a><a id="brokerconfigs_unclean.leader.election.enable" href="#brokerconfigs_unclean.leader.election.enable">unclean.leader.election.enable</a></h4>
+<p>Indicates whether to enable replicas not in the ISR set to be elected as leader as a last resort, even though doing so may result in data loss</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.connection.timeout.ms"></a><a id="brokerconfigs_zookeeper.connection.timeout.ms" href="#brokerconfigs_zookeeper.connection.timeout.ms">zookeeper.connection.timeout.ms</a></h4>
+<p>The max time that the client waits to establish a connection to zookeeper. If not set, the value in zookeeper.session.timeout.ms is used</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.max.in.flight.requests"></a><a id="brokerconfigs_zookeeper.max.in.flight.requests" href="#brokerconfigs_zookeeper.max.in.flight.requests">zookeeper.max.in.flight.requests</a></h4>
+<p>The maximum number of unacknowledged requests the client will send to Zookeeper before blocking.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.session.timeout.ms"></a><a id="brokerconfigs_zookeeper.session.timeout.ms" href="#brokerconfigs_zookeeper.session.timeout.ms">zookeeper.session.timeout.ms</a></h4>
+<p>Zookeeper session timeout</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>18000 (18 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.set.acl"></a><a id="brokerconfigs_zookeeper.set.acl" href="#brokerconfigs_zookeeper.set.acl">zookeeper.set.acl</a></h4>
+<p>Set client to use secure ACLs</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="broker.id.generation.enable"></a><a id="brokerconfigs_broker.id.generation.enable" href="#brokerconfigs_broker.id.generation.enable">broker.id.generation.enable</a></h4>
+<p>Enable automatic broker id generation on the server. When enabled the value configured for reserved.broker.max.id should be reviewed.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="broker.rack"></a><a id="brokerconfigs_broker.rack" href="#brokerconfigs_broker.rack">broker.rack</a></h4>
+<p>Rack of the broker. This will be used in rack aware replication assignment for fault tolerance. Examples: `RACK1`, `us-east-1d`</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.idle.ms"></a><a id="brokerconfigs_connections.max.idle.ms" href="#brokerconfigs_connections.max.idle.ms">connections.max.idle.ms</a></h4>
+<p>Idle connections timeout: the server socket processor threads close the connections that idle more than this</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>600000 (10 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.reauth.ms"></a><a id="brokerconfigs_connections.max.reauth.ms" href="#brokerconfigs_connections.max.reauth.ms">connections.max.reauth.ms</a></h4>
+<p>When explicitly set to a positive number (the default is 0, not a positive number), a session lifetime that will not exceed the configured value will be communicated to v2.2.0 or later clients when they authenticate. The broker will disconnect any such connection that is not re-authenticated within the session lifetime and that is then subsequently used for any purpose other than re-authentication. Configuration names can optionally be prefixed with listener prefix and SASL mechanism [...]
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>0</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controlled.shutdown.enable"></a><a id="brokerconfigs_controlled.shutdown.enable" href="#brokerconfigs_controlled.shutdown.enable">controlled.shutdown.enable</a></h4>
+<p>Enable controlled shutdown of the server</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controlled.shutdown.max.retries"></a><a id="brokerconfigs_controlled.shutdown.max.retries" href="#brokerconfigs_controlled.shutdown.max.retries">controlled.shutdown.max.retries</a></h4>
+<p>Controlled shutdown can fail for multiple reasons. This determines the number of retries when such failure happens</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controlled.shutdown.retry.backoff.ms"></a><a id="brokerconfigs_controlled.shutdown.retry.backoff.ms" href="#brokerconfigs_controlled.shutdown.retry.backoff.ms">controlled.shutdown.retry.backoff.ms</a></h4>
+<p>Before each retry, the system needs time to recover from the state that caused the previous failure (Controller fail over, replica lag etc). This config determines the amount of time to wait before retrying.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>5000 (5 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controller.socket.timeout.ms"></a><a id="brokerconfigs_controller.socket.timeout.ms" href="#brokerconfigs_controller.socket.timeout.ms">controller.socket.timeout.ms</a></h4>
+<p>The socket timeout for controller-to-broker channels</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="default.replication.factor"></a><a id="brokerconfigs_default.replication.factor" href="#brokerconfigs_default.replication.factor">default.replication.factor</a></h4>
+<p>default replication factors for automatically created topics</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delegation.token.expiry.time.ms"></a><a id="brokerconfigs_delegation.token.expiry.time.ms" href="#brokerconfigs_delegation.token.expiry.time.ms">delegation.token.expiry.time.ms</a></h4>
+<p>The token validity time in miliseconds before the token needs to be renewed. Default value 1 day.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>86400000 (1 day)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delegation.token.master.key"></a><a id="brokerconfigs_delegation.token.master.key" href="#brokerconfigs_delegation.token.master.key">delegation.token.master.key</a></h4>
+<p>Master/secret key to generate and verify delegation tokens. Same key must be configured across all the brokers. If the key is not set or set to empty string, brokers will disable the delegation token support.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delegation.token.max.lifetime.ms"></a><a id="brokerconfigs_delegation.token.max.lifetime.ms" href="#brokerconfigs_delegation.token.max.lifetime.ms">delegation.token.max.lifetime.ms</a></h4>
+<p>The token has a maximum lifetime beyond which it cannot be renewed anymore. Default value 7 days.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>604800000 (7 days)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delete.records.purgatory.purge.interval.requests"></a><a id="brokerconfigs_delete.records.purgatory.purge.interval.requests" href="#brokerconfigs_delete.records.purgatory.purge.interval.requests">delete.records.purgatory.purge.interval.requests</a></h4>
+<p>The purge interval (in number of requests) of the delete records request purgatory</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="fetch.max.bytes"></a><a id="brokerconfigs_fetch.max.bytes" href="#brokerconfigs_fetch.max.bytes">fetch.max.bytes</a></h4>
+<p>The maximum number of bytes we will return for a fetch request. Must be at least 1024.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>57671680 (55 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[1024,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="fetch.purgatory.purge.interval.requests"></a><a id="brokerconfigs_fetch.purgatory.purge.interval.requests" href="#brokerconfigs_fetch.purgatory.purge.interval.requests">fetch.purgatory.purge.interval.requests</a></h4>
+<p>The purge interval (in number of requests) of the fetch request purgatory</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.initial.rebalance.delay.ms"></a><a id="brokerconfigs_group.initial.rebalance.delay.ms" href="#brokerconfigs_group.initial.rebalance.delay.ms">group.initial.rebalance.delay.ms</a></h4>
+<p>The amount of time the group coordinator will wait for more consumers to join a new group before performing the first rebalance. A longer delay means potentially fewer rebalances, but increases the time until processing begins.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3000 (3 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.max.session.timeout.ms"></a><a id="brokerconfigs_group.max.session.timeout.ms" href="#brokerconfigs_group.max.session.timeout.ms">group.max.session.timeout.ms</a></h4>
+<p>The maximum allowed session timeout for registered consumers. Longer timeouts give consumers more time to process messages in between heartbeats at the cost of a longer time to detect failures.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1800000 (30 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.max.size"></a><a id="brokerconfigs_group.max.size" href="#brokerconfigs_group.max.size">group.max.size</a></h4>
+<p>The maximum number of consumers that a single consumer group can accommodate.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="group.min.session.timeout.ms"></a><a id="brokerconfigs_group.min.session.timeout.ms" href="#brokerconfigs_group.min.session.timeout.ms">group.min.session.timeout.ms</a></h4>
+<p>The minimum allowed session timeout for registered consumers. Shorter timeouts result in quicker failure detection at the cost of more frequent consumer heartbeating, which can overwhelm broker resources.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>6000 (6 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.broker.listener.name"></a><a id="brokerconfigs_inter.broker.listener.name" href="#brokerconfigs_inter.broker.listener.name">inter.broker.listener.name</a></h4>
+<p>Name of listener used for communication between brokers. If this is unset, the listener name is defined by security.inter.broker.protocol. It is an error to set this and security.inter.broker.protocol properties at the same time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="inter.broker.protocol.version"></a><a id="brokerconfigs_inter.broker.protocol.version" href="#brokerconfigs_inter.broker.protocol.version">inter.broker.protocol.version</a></h4>
+<p>Specify which version of the inter-broker protocol will be used.<br> This is typically bumped after all brokers were upgraded to a new version.<br> Example of some valid values are: 0.8.0, 0.8.1, 0.8.1.1, 0.8.2, 0.8.2.0, 0.8.2.1, 0.9.0.0, 0.9.0.1 Check ApiVersion for the full list.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>2.7-IV2</td></tr>
+<tr><th>Valid Values:</th><td>[0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.10.0-IV0, 0.10.0-IV1, 0.10.1-IV0, 0.10.1-IV1, 0.10.1-IV2, 0.10.2-IV0, 0.11.0-IV0, 0.11.0-IV1, 0.11.0-IV2, 1.0-IV0, 1.1-IV0, 2.0-IV0, 2.0-IV1, 2.1-IV0, 2.1-IV1, 2.1-IV2, 2.2-IV0, 2.2-IV1, 2.3-IV0, 2.3-IV1, 2.4-IV0, 2.4-IV1, 2.5-IV0, 2.6-IV0, 2.7-IV0, 2.7-IV1, 2.7-IV2]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.backoff.ms"></a><a id="brokerconfigs_log.cleaner.backoff.ms" href="#brokerconfigs_log.cleaner.backoff.ms">log.cleaner.backoff.ms</a></h4>
+<p>The amount of time to sleep when there are no logs to clean</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>15000 (15 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.dedupe.buffer.size"></a><a id="brokerconfigs_log.cleaner.dedupe.buffer.size" href="#brokerconfigs_log.cleaner.dedupe.buffer.size">log.cleaner.dedupe.buffer.size</a></h4>
+<p>The total memory used for log deduplication across all cleaner threads</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>134217728</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.delete.retention.ms"></a><a id="brokerconfigs_log.cleaner.delete.retention.ms" href="#brokerconfigs_log.cleaner.delete.retention.ms">log.cleaner.delete.retention.ms</a></h4>
+<p>How long are delete records retained?</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>86400000 (1 day)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.enable"></a><a id="brokerconfigs_log.cleaner.enable" href="#brokerconfigs_log.cleaner.enable">log.cleaner.enable</a></h4>
+<p>Enable the log cleaner process to run on the server. Should be enabled if using any topics with a cleanup.policy=compact including the internal offsets topic. If disabled those topics will not be compacted and continually grow in size.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.io.buffer.load.factor"></a><a id="brokerconfigs_log.cleaner.io.buffer.load.factor" href="#brokerconfigs_log.cleaner.io.buffer.load.factor">log.cleaner.io.buffer.load.factor</a></h4>
+<p>Log cleaner dedupe buffer load factor. The percentage full the dedupe buffer can become. A higher value will allow more log to be cleaned at once but will lead to more hash collisions</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.9</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.io.buffer.size"></a><a id="brokerconfigs_log.cleaner.io.buffer.size" href="#brokerconfigs_log.cleaner.io.buffer.size">log.cleaner.io.buffer.size</a></h4>
+<p>The total memory used for log cleaner I/O buffers across all cleaner threads</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>524288</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.io.max.bytes.per.second"></a><a id="brokerconfigs_log.cleaner.io.max.bytes.per.second" href="#brokerconfigs_log.cleaner.io.max.bytes.per.second">log.cleaner.io.max.bytes.per.second</a></h4>
+<p>The log cleaner will be throttled so that the sum of its read and write i/o will be less than this value on average</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>1.7976931348623157E308</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.max.compaction.lag.ms"></a><a id="brokerconfigs_log.cleaner.max.compaction.lag.ms" href="#brokerconfigs_log.cleaner.max.compaction.lag.ms">log.cleaner.max.compaction.lag.ms</a></h4>
+<p>The maximum time a message will remain ineligible for compaction in the log. Only applicable for logs that are being compacted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.min.cleanable.ratio"></a><a id="brokerconfigs_log.cleaner.min.cleanable.ratio" href="#brokerconfigs_log.cleaner.min.cleanable.ratio">log.cleaner.min.cleanable.ratio</a></h4>
+<p>The minimum ratio of dirty log to total log for a log to eligible for cleaning. If the log.cleaner.max.compaction.lag.ms or the log.cleaner.min.compaction.lag.ms configurations are also specified, then the log compactor considers the log eligible for compaction as soon as either: (i) the dirty ratio threshold has been met and the log has had dirty (uncompacted) records for at least the log.cleaner.min.compaction.lag.ms duration, or (ii) if the log has had dirty (uncompacted) records f [...]
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.5</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.min.compaction.lag.ms"></a><a id="brokerconfigs_log.cleaner.min.compaction.lag.ms" href="#brokerconfigs_log.cleaner.min.compaction.lag.ms">log.cleaner.min.compaction.lag.ms</a></h4>
+<p>The minimum time a message will remain uncompacted in the log. Only applicable for logs that are being compacted.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>0</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleaner.threads"></a><a id="brokerconfigs_log.cleaner.threads" href="#brokerconfigs_log.cleaner.threads">log.cleaner.threads</a></h4>
+<p>The number of background threads to use for log cleaning</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.cleanup.policy"></a><a id="brokerconfigs_log.cleanup.policy" href="#brokerconfigs_log.cleanup.policy">log.cleanup.policy</a></h4>
+<p>The default cleanup policy for segments beyond the retention window. A comma separated list of valid policies. Valid policies are: "delete" and "compact"</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>delete</td></tr>
+<tr><th>Valid Values:</th><td>[compact, delete]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.index.interval.bytes"></a><a id="brokerconfigs_log.index.interval.bytes" href="#brokerconfigs_log.index.interval.bytes">log.index.interval.bytes</a></h4>
+<p>The interval with which we add an entry to the offset index</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>4096 (4 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.index.size.max.bytes"></a><a id="brokerconfigs_log.index.size.max.bytes" href="#brokerconfigs_log.index.size.max.bytes">log.index.size.max.bytes</a></h4>
+<p>The maximum size in bytes of the offset index</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10485760 (10 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[4,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.message.format.version"></a><a id="brokerconfigs_log.message.format.version" href="#brokerconfigs_log.message.format.version">log.message.format.version</a></h4>
+<p>Specify the message format version the broker will use to append messages to the logs. The value should be a valid ApiVersion. Some examples are: 0.8.2, 0.9.0.0, 0.10.0, check ApiVersion for more details. By setting a particular message format version, the user is certifying that all the existing messages on disk are smaller or equal than the specified version. Setting this value incorrectly will cause consumers with older versions to break as they will receive messages with a format [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>2.7-IV2</td></tr>
+<tr><th>Valid Values:</th><td>[0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.10.0-IV0, 0.10.0-IV1, 0.10.1-IV0, 0.10.1-IV1, 0.10.1-IV2, 0.10.2-IV0, 0.11.0-IV0, 0.11.0-IV1, 0.11.0-IV2, 1.0-IV0, 1.1-IV0, 2.0-IV0, 2.0-IV1, 2.1-IV0, 2.1-IV1, 2.1-IV2, 2.2-IV0, 2.2-IV1, 2.3-IV0, 2.3-IV1, 2.4-IV0, 2.4-IV1, 2.5-IV0, 2.6-IV0, 2.7-IV0, 2.7-IV1, 2.7-IV2]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.message.timestamp.difference.max.ms"></a><a id="brokerconfigs_log.message.timestamp.difference.max.ms" href="#brokerconfigs_log.message.timestamp.difference.max.ms">log.message.timestamp.difference.max.ms</a></h4>
+<p>The maximum difference allowed between the timestamp when a broker receives a message and the timestamp specified in the message. If log.message.timestamp.type=CreateTime, a message will be rejected if the difference in timestamp exceeds this threshold. This configuration is ignored if log.message.timestamp.type=LogAppendTime.The maximum timestamp difference allowed should be no greater than log.retention.ms to avoid unnecessarily frequent log rolling.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>9223372036854775807</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.message.timestamp.type"></a><a id="brokerconfigs_log.message.timestamp.type" href="#brokerconfigs_log.message.timestamp.type">log.message.timestamp.type</a></h4>
+<p>Define whether the timestamp in the message is message create time or log append time. The value should be either `CreateTime` or `LogAppendTime`</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>CreateTime</td></tr>
+<tr><th>Valid Values:</th><td>[CreateTime, LogAppendTime]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.preallocate"></a><a id="brokerconfigs_log.preallocate" href="#brokerconfigs_log.preallocate">log.preallocate</a></h4>
+<p>Should pre allocate file when create new segment? If you are using Kafka on Windows, you probably need to set it to true.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.retention.check.interval.ms"></a><a id="brokerconfigs_log.retention.check.interval.ms" href="#brokerconfigs_log.retention.check.interval.ms">log.retention.check.interval.ms</a></h4>
+<p>The frequency in milliseconds that the log cleaner checks whether any log is eligible for deletion</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.connection.creation.rate"></a><a id="brokerconfigs_max.connection.creation.rate" href="#brokerconfigs_max.connection.creation.rate">max.connection.creation.rate</a></h4>
+<p>The maximum connection creation rate we allow in the broker at any time. Listener-level limits may also be configured by prefixing the config name with the listener prefix, for example, <code>listener.name.internal.max.connection.creation.rate</code>.Broker-wide connection rate limit should be configured based on broker capacity while listener limits should be configured based on application requirements. New connections will be throttled if either the listener or the broker limit is [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.connections"></a><a id="brokerconfigs_max.connections" href="#brokerconfigs_max.connections">max.connections</a></h4>
+<p>The maximum number of connections we allow in the broker at any time. This limit is applied in addition to any per-ip limits configured using max.connections.per.ip. Listener-level limits may also be configured by prefixing the config name with the listener prefix, for example, <code>listener.name.internal.max.connections</code>. Broker-wide limit should be configured based on broker capacity while listener limits should be configured based on application requirements. New connections [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.connections.per.ip"></a><a id="brokerconfigs_max.connections.per.ip" href="#brokerconfigs_max.connections.per.ip">max.connections.per.ip</a></h4>
+<p>The maximum number of connections we allow from each ip address. This can be set to 0 if there are overrides configured using max.connections.per.ip.overrides property. New connections from the ip address are dropped if the limit is reached.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.connections.per.ip.overrides"></a><a id="brokerconfigs_max.connections.per.ip.overrides" href="#brokerconfigs_max.connections.per.ip.overrides">max.connections.per.ip.overrides</a></h4>
+<p>A comma-separated list of per-ip or hostname overrides to the default maximum number of connections. An example value is "hostName:100,127.0.0.1:200"</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.incremental.fetch.session.cache.slots"></a><a id="brokerconfigs_max.incremental.fetch.session.cache.slots" href="#brokerconfigs_max.incremental.fetch.session.cache.slots">max.incremental.fetch.session.cache.slots</a></h4>
+<p>The maximum number of incremental fetch sessions that we will maintain.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1000</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="num.partitions"></a><a id="brokerconfigs_num.partitions" href="#brokerconfigs_num.partitions">num.partitions</a></h4>
+<p>The default number of log partitions per topic</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.old.secret"></a><a id="brokerconfigs_password.encoder.old.secret" href="#brokerconfigs_password.encoder.old.secret">password.encoder.old.secret</a></h4>
+<p>The old secret that was used for encoding dynamically configured passwords. This is required only when the secret is updated. If specified, all dynamically encoded passwords are decoded using this old secret and re-encoded using password.encoder.secret when broker starts up.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.secret"></a><a id="brokerconfigs_password.encoder.secret" href="#brokerconfigs_password.encoder.secret">password.encoder.secret</a></h4>
+<p>The secret used for encoding dynamically configured passwords for this broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="principal.builder.class"></a><a id="brokerconfigs_principal.builder.class" href="#brokerconfigs_principal.builder.class">principal.builder.class</a></h4>
+<p>The fully qualified name of a class that implements the KafkaPrincipalBuilder interface, which is used to build the KafkaPrincipal object used during authorization. This config also supports the deprecated PrincipalBuilder interface which was previously used for client authentication over SSL. If no principal builder is defined, the default behavior depends on the security protocol in use. For SSL authentication, the principal will be derived using the rules defined by <code>ssl.prin [...]
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="producer.purgatory.purge.interval.requests"></a><a id="brokerconfigs_producer.purgatory.purge.interval.requests" href="#brokerconfigs_producer.purgatory.purge.interval.requests">producer.purgatory.purge.interval.requests</a></h4>
+<p>The purge interval (in number of requests) of the producer request purgatory</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="queued.max.request.bytes"></a><a id="brokerconfigs_queued.max.request.bytes" href="#brokerconfigs_queued.max.request.bytes">queued.max.request.bytes</a></h4>
+<p>The number of queued bytes allowed before no more requests are read</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>-1</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.fetch.backoff.ms"></a><a id="brokerconfigs_replica.fetch.backoff.ms" href="#brokerconfigs_replica.fetch.backoff.ms">replica.fetch.backoff.ms</a></h4>
+<p>The amount of time to sleep when fetch partition error occurs.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1000 (1 second)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.fetch.max.bytes"></a><a id="brokerconfigs_replica.fetch.max.bytes" href="#brokerconfigs_replica.fetch.max.bytes">replica.fetch.max.bytes</a></h4>
+<p>The number of bytes of messages to attempt to fetch for each partition. This is not an absolute maximum, if the first record batch in the first non-empty partition of the fetch is larger than this value, the record batch will still be returned to ensure that progress can be made. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.bytes</code> (topic config).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1048576 (1 mebibyte)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.fetch.response.max.bytes"></a><a id="brokerconfigs_replica.fetch.response.max.bytes" href="#brokerconfigs_replica.fetch.response.max.bytes">replica.fetch.response.max.bytes</a></h4>
+<p>Maximum bytes expected for the entire fetch response. Records are fetched in batches, and if the first record batch in the first non-empty partition of the fetch is larger than this value, the record batch will still be returned to ensure that progress can be made. As such, this is not an absolute maximum. The maximum record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or <code>max.message.bytes</code> (topic config).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10485760 (10 mebibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replica.selector.class"></a><a id="brokerconfigs_replica.selector.class" href="#brokerconfigs_replica.selector.class">replica.selector.class</a></h4>
+<p>The fully qualified class name that implements ReplicaSelector. This is used by the broker to find the preferred read replica. By default, we use an implementation that returns the leader.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reserved.broker.max.id"></a><a id="brokerconfigs_reserved.broker.max.id" href="#brokerconfigs_reserved.broker.max.id">reserved.broker.max.id</a></h4>
+<p>Max number that can be used for a broker.id</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1000</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.client.callback.handler.class"></a><a id="brokerconfigs_sasl.client.callback.handler.class" href="#brokerconfigs_sasl.client.callback.handler.class">sasl.client.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL client callback handler class that implements the AuthenticateCallbackHandler interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.enabled.mechanisms"></a><a id="brokerconfigs_sasl.enabled.mechanisms" href="#brokerconfigs_sasl.enabled.mechanisms">sasl.enabled.mechanisms</a></h4>
+<p>The list of SASL mechanisms enabled in the Kafka server. The list may contain any mechanism for which a security provider is available. Only GSSAPI is enabled by default.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.jaas.config"></a><a id="brokerconfigs_sasl.jaas.config" href="#brokerconfigs_sasl.jaas.config">sasl.jaas.config</a></h4>
+<p>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<code>loginModuleClass controlFlag (optionName=optionValue)*;</code>'. For brokers, the config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.nam [...]
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.kinit.cmd"></a><a id="brokerconfigs_sasl.kerberos.kinit.cmd" href="#brokerconfigs_sasl.kerberos.kinit.cmd">sasl.kerberos.kinit.cmd</a></h4>
+<p>Kerberos kinit command path.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/usr/bin/kinit</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.min.time.before.relogin"></a><a id="brokerconfigs_sasl.kerberos.min.time.before.relogin" href="#brokerconfigs_sasl.kerberos.min.time.before.relogin">sasl.kerberos.min.time.before.relogin</a></h4>
+<p>Login thread sleep time between refresh attempts.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.principal.to.local.rules"></a><a id="brokerconfigs_sasl.kerberos.principal.to.local.rules" href="#brokerconfigs_sasl.kerberos.principal.to.local.rules">sasl.kerberos.principal.to.local.rules</a></h4>
+<p>A list of rules for mapping from principal names to short names (typically operating system usernames). The rules are evaluated in order and the first rule that matches a principal name is used to map it to a short name. Any later rules in the list are ignored. By default, principal names of the form {username}/{hostname}@{REALM} are mapped to {username}. For more details on the format please see <a href="#security_authz"> security authorization and acls</a>. Note that this configurat [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>DEFAULT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.service.name"></a><a id="brokerconfigs_sasl.kerberos.service.name" href="#brokerconfigs_sasl.kerberos.service.name">sasl.kerberos.service.name</a></h4>
+<p>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.jitter"></a><a id="brokerconfigs_sasl.kerberos.ticket.renew.jitter" href="#brokerconfigs_sasl.kerberos.ticket.renew.jitter">sasl.kerberos.ticket.renew.jitter</a></h4>
+<p>Percentage of random jitter added to the renewal time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.window.factor"></a><a id="brokerconfigs_sasl.kerberos.ticket.renew.window.factor" href="#brokerconfigs_sasl.kerberos.ticket.renew.window.factor">sasl.kerberos.ticket.renew.window.factor</a></h4>
+<p>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.callback.handler.class"></a><a id="brokerconfigs_sasl.login.callback.handler.class" href="#brokerconfigs_sasl.login.callback.handler.class">sasl.login.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL login callback handler class that implements the AuthenticateCallbackHandler interface. For brokers, login callback handler config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.callback.handler.class=com.example.CustomScramLoginCallbackHandler</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.class"></a><a id="brokerconfigs_sasl.login.class" href="#brokerconfigs_sasl.login.class">sasl.login.class</a></h4>
+<p>The fully qualified name of a class that implements the Login interface. For brokers, login config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.class=com.example.CustomScramLogin</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.buffer.seconds"></a><a id="brokerconfigs_sasl.login.refresh.buffer.seconds" href="#brokerconfigs_sasl.login.refresh.buffer.seconds">sasl.login.refresh.buffer.seconds</a></h4>
+<p>The amount of buffer time before credential expiration to maintain when refreshing a credential, in seconds. If a refresh would otherwise occur closer to expiration than the number of buffer seconds then the refresh will be moved up to maintain as much of the buffer time as possible. Legal values are between 0 and 3600 (1 hour); a default value of 300 (5 minutes) is used if no value is specified. This value and sasl.login.refresh.min.period.seconds are both ignored if their sum excee [...]
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.min.period.seconds"></a><a id="brokerconfigs_sasl.login.refresh.min.period.seconds" href="#brokerconfigs_sasl.login.refresh.min.period.seconds">sasl.login.refresh.min.period.seconds</a></h4>
+<p>The desired minimum time for the login refresh thread to wait before refreshing a credential, in seconds. Legal values are between 0 and 900 (15 minutes); a default value of 60 (1 minute) is used if no value is specified. This value and sasl.login.refresh.buffer.seconds are both ignored if their sum exceeds the remaining lifetime of a credential. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>60</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.factor"></a><a id="brokerconfigs_sasl.login.refresh.window.factor" href="#brokerconfigs_sasl.login.refresh.window.factor">sasl.login.refresh.window.factor</a></h4>
+<p>Login refresh thread will sleep until the specified window factor relative to the credential's lifetime has been reached, at which time it will try to refresh the credential. Legal values are between 0.5 (50%) and 1.0 (100%) inclusive; a default value of 0.8 (80%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.jitter"></a><a id="brokerconfigs_sasl.login.refresh.window.jitter" href="#brokerconfigs_sasl.login.refresh.window.jitter">sasl.login.refresh.window.jitter</a></h4>
+<p>The maximum amount of random jitter relative to the credential's lifetime that is added to the login refresh thread's sleep time. Legal values are between 0 and 0.25 (25%) inclusive; a default value of 0.05 (5%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.mechanism.inter.broker.protocol"></a><a id="brokerconfigs_sasl.mechanism.inter.broker.protocol" href="#brokerconfigs_sasl.mechanism.inter.broker.protocol">sasl.mechanism.inter.broker.protocol</a></h4>
+<p>SASL mechanism used for inter-broker communication. Default is GSSAPI.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.server.callback.handler.class"></a><a id="brokerconfigs_sasl.server.callback.handler.class" href="#brokerconfigs_sasl.server.callback.handler.class">sasl.server.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL server callback handler class that implements the AuthenticateCallbackHandler interface. Server callback handlers must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.plain.sasl.server.callback.handler.class=com.example.CustomPlainCallbackHandler.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.inter.broker.protocol"></a><a id="brokerconfigs_security.inter.broker.protocol" href="#brokerconfigs_security.inter.broker.protocol">security.inter.broker.protocol</a></h4>
+<p>Security protocol used to communicate between brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL. It is an error to set this and inter.broker.listener.name properties at the same time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.max.ms"></a><a id="brokerconfigs_socket.connection.setup.timeout.max.ms" href="#brokerconfigs_socket.connection.setup.timeout.max.ms">socket.connection.setup.timeout.max.ms</a></h4>
+<p>The maximum amount of time the client will wait for the socket connection to be established. The connection setup timeout will increase exponentially for each consecutive connection failure up to this maximum. To avoid connection storms, a randomization factor of 0.2 will be applied to the timeout resulting in a random range between 20% below and 20% above the computed value.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>127000 (127 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.ms"></a><a id="brokerconfigs_socket.connection.setup.timeout.ms" href="#brokerconfigs_socket.connection.setup.timeout.ms">socket.connection.setup.timeout.ms</a></h4>
+<p>The amount of time the client will wait for the socket connection to be established. If the connection is not built before the timeout elapses, clients will close the socket channel.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.cipher.suites"></a><a id="brokerconfigs_ssl.cipher.suites" href="#brokerconfigs_ssl.cipher.suites">ssl.cipher.suites</a></h4>
+<p>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.client.auth"></a><a id="brokerconfigs_ssl.client.auth" href="#brokerconfigs_ssl.client.auth">ssl.client.auth</a></h4>
+<p>Configures kafka broker to request client authentication. The following settings are common: <ul> <li><code>ssl.client.auth=required</code> If set to required client authentication is required. <li><code>ssl.client.auth=requested</code> This means client authentication is optional. unlike required, if this option is set client can choose not to provide authentication information about itself <li><code>ssl.client.auth=none</code> This means client authentication is not needed.</ul></p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>none</td></tr>
+<tr><th>Valid Values:</th><td>[required, requested, none]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.enabled.protocols"></a><a id="brokerconfigs_ssl.enabled.protocols" href="#brokerconfigs_ssl.enabled.protocols">ssl.enabled.protocols</a></h4>
+<p>The list of protocols enabled for SSL connections. The default is 'TLSv1.2,TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. With the default value for Java 11, clients and servers will prefer TLSv1.3 if both support it and fallback to TLSv1.2 otherwise (assuming both support at least TLSv1.2). This default should be fine for most cases. Also see the config documentation for `ssl.protocol`.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.key.password"></a><a id="brokerconfigs_ssl.key.password" href="#brokerconfigs_ssl.key.password">ssl.key.password</a></h4>
+<p>The password of the private key in the key store file orthe PEM key specified in `ssl.keystore.key'. This is required for clients only if two-way authentication is configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keymanager.algorithm"></a><a id="brokerconfigs_ssl.keymanager.algorithm" href="#brokerconfigs_ssl.keymanager.algorithm">ssl.keymanager.algorithm</a></h4>
+<p>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>SunX509</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.certificate.chain"></a><a id="brokerconfigs_ssl.keystore.certificate.chain" href="#brokerconfigs_ssl.keystore.certificate.chain">ssl.keystore.certificate.chain</a></h4>
+<p>Certificate chain in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with a list of X.509 certificates</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.key"></a><a id="brokerconfigs_ssl.keystore.key" href="#brokerconfigs_ssl.keystore.key">ssl.keystore.key</a></h4>
+<p>Private key in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with PKCS#8 keys. If the key is encrypted, key password must be specified using 'ssl.key.password'</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.location"></a><a id="brokerconfigs_ssl.keystore.location" href="#brokerconfigs_ssl.keystore.location">ssl.keystore.location</a></h4>
+<p>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.password"></a><a id="brokerconfigs_ssl.keystore.password" href="#brokerconfigs_ssl.keystore.password">ssl.keystore.password</a></h4>
+<p>The store password for the key store file. This is optional for client and only needed if 'ssl.keystore.location' is configured. Key store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.type"></a><a id="brokerconfigs_ssl.keystore.type" href="#brokerconfigs_ssl.keystore.type">ssl.keystore.type</a></h4>
+<p>The file format of the key store file. This is optional for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.protocol"></a><a id="brokerconfigs_ssl.protocol" href="#brokerconfigs_ssl.protocol">ssl.protocol</a></h4>
+<p>The SSL protocol used to generate the SSLContext. The default is 'TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. This value should be fine for most use cases. Allowed values in recent JVMs are 'TLSv1.2' and 'TLSv1.3'. 'TLS', 'TLSv1.1', 'SSL', 'SSLv2' and 'SSLv3' may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities. With the default value for this config and 'ssl.enabled.protocols', clients will downgrade to 'TLSv1.2' i [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.provider"></a><a id="brokerconfigs_ssl.provider" href="#brokerconfigs_ssl.provider">ssl.provider</a></h4>
+<p>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.trustmanager.algorithm"></a><a id="brokerconfigs_ssl.trustmanager.algorithm" href="#brokerconfigs_ssl.trustmanager.algorithm">ssl.trustmanager.algorithm</a></h4>
+<p>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PKIX</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.certificates"></a><a id="brokerconfigs_ssl.truststore.certificates" href="#brokerconfigs_ssl.truststore.certificates">ssl.truststore.certificates</a></h4>
+<p>Trusted certificates in the format specified by 'ssl.truststore.type'. Default SSL engine factory supports only PEM format with X.509 certificates.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.location"></a><a id="brokerconfigs_ssl.truststore.location" href="#brokerconfigs_ssl.truststore.location">ssl.truststore.location</a></h4>
+<p>The location of the trust store file. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.password"></a><a id="brokerconfigs_ssl.truststore.password" href="#brokerconfigs_ssl.truststore.password">ssl.truststore.password</a></h4>
+<p>The password for the trust store file. If a password is not set, trust store file configured will still be used, but integrity checking is disabled. Trust store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.type"></a><a id="brokerconfigs_ssl.truststore.type" href="#brokerconfigs_ssl.truststore.type">ssl.truststore.type</a></h4>
+<p>The file format of the trust store file.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.clientCnxnSocket"></a><a id="brokerconfigs_zookeeper.clientCnxnSocket" href="#brokerconfigs_zookeeper.clientCnxnSocket">zookeeper.clientCnxnSocket</a></h4>
+<p>Typically set to <code>org.apache.zookeeper.ClientCnxnSocketNetty</code> when using TLS connectivity to ZooKeeper. Overrides any explicit value set via the same-named <code>zookeeper.clientCnxnSocket</code> system property.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.client.enable"></a><a id="brokerconfigs_zookeeper.ssl.client.enable" href="#brokerconfigs_zookeeper.ssl.client.enable">zookeeper.ssl.client.enable</a></h4>
+<p>Set client to use TLS when connecting to ZooKeeper. An explicit value overrides any value set via the <code>zookeeper.client.secure</code> system property (note the different name). Defaults to false if neither is set; when true, <code>zookeeper.clientCnxnSocket</code> must be set (typically to <code>org.apache.zookeeper.ClientCnxnSocketNetty</code>); other values to set may include <code>zookeeper.ssl.cipher.suites</code>, <code>zookeeper.ssl.crl.enable</code>, <code>zookeeper.ssl.en [...]
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.keystore.location"></a><a id="brokerconfigs_zookeeper.ssl.keystore.location" href="#brokerconfigs_zookeeper.ssl.keystore.location">zookeeper.ssl.keystore.location</a></h4>
+<p>Keystore location when using a client-side certificate with TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.keyStore.location</code> system property (note the camelCase).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.keystore.password"></a><a id="brokerconfigs_zookeeper.ssl.keystore.password" href="#brokerconfigs_zookeeper.ssl.keystore.password">zookeeper.ssl.keystore.password</a></h4>
+<p>Keystore password when using a client-side certificate with TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.keyStore.password</code> system property (note the camelCase). Note that ZooKeeper does not support a key password different from the keystore password, so be sure to set the key password in the keystore to be identical to the keystore password; otherwise the connection attempt to Zookeeper will fail.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.keystore.type"></a><a id="brokerconfigs_zookeeper.ssl.keystore.type" href="#brokerconfigs_zookeeper.ssl.keystore.type">zookeeper.ssl.keystore.type</a></h4>
+<p>Keystore type when using a client-side certificate with TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.keyStore.type</code> system property (note the camelCase). The default value of <code>null</code> means the type will be auto-detected based on the filename extension of the keystore.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.truststore.location"></a><a id="brokerconfigs_zookeeper.ssl.truststore.location" href="#brokerconfigs_zookeeper.ssl.truststore.location">zookeeper.ssl.truststore.location</a></h4>
+<p>Truststore location when using TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.trustStore.location</code> system property (note the camelCase).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.truststore.password"></a><a id="brokerconfigs_zookeeper.ssl.truststore.password" href="#brokerconfigs_zookeeper.ssl.truststore.password">zookeeper.ssl.truststore.password</a></h4>
+<p>Truststore password when using TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.trustStore.password</code> system property (note the camelCase).</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.truststore.type"></a><a id="brokerconfigs_zookeeper.ssl.truststore.type" href="#brokerconfigs_zookeeper.ssl.truststore.type">zookeeper.ssl.truststore.type</a></h4>
+<p>Truststore type when using TLS connectivity to ZooKeeper. Overrides any explicit value set via the <code>zookeeper.ssl.trustStore.type</code> system property (note the camelCase). The default value of <code>null</code> means the type will be auto-detected based on the filename extension of the truststore.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="alter.config.policy.class.name"></a><a id="brokerconfigs_alter.config.policy.class.name" href="#brokerconfigs_alter.config.policy.class.name">alter.config.policy.class.name</a></h4>
+<p>The alter configs policy class that should be used for validation. The class should implement the <code>org.apache.kafka.server.policy.AlterConfigPolicy</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="alter.log.dirs.replication.quota.window.num"></a><a id="brokerconfigs_alter.log.dirs.replication.quota.window.num" href="#brokerconfigs_alter.log.dirs.replication.quota.window.num">alter.log.dirs.replication.quota.window.num</a></h4>
+<p>The number of samples to retain in memory for alter log dirs replication quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>11</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="alter.log.dirs.replication.quota.window.size.seconds"></a><a id="brokerconfigs_alter.log.dirs.replication.quota.window.size.seconds" href="#brokerconfigs_alter.log.dirs.replication.quota.window.size.seconds">alter.log.dirs.replication.quota.window.size.seconds</a></h4>
+<p>The time span of each sample for alter log dirs replication quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="authorizer.class.name"></a><a id="brokerconfigs_authorizer.class.name" href="#brokerconfigs_authorizer.class.name">authorizer.class.name</a></h4>
+<p>The fully qualified name of a class that implements sorg.apache.kafka.server.authorizer.Authorizer interface, which is used by the broker for authorization. This config also supports authorizers that implement the deprecated kafka.security.auth.Authorizer trait which was previously used for authorization.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.quota.callback.class"></a><a id="brokerconfigs_client.quota.callback.class" href="#brokerconfigs_client.quota.callback.class">client.quota.callback.class</a></h4>
+<p>The fully qualified name of a class that implements the ClientQuotaCallback interface, which is used to determine quota limits applied to client requests. By default, <user, client-id>, <user> or <client-id> quotas stored in ZooKeeper are applied. For any given request, the most specific quota that matches the user principal of the session and the client-id of the request is applied.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connection.failed.authentication.delay.ms"></a><a id="brokerconfigs_connection.failed.authentication.delay.ms" href="#brokerconfigs_connection.failed.authentication.delay.ms">connection.failed.authentication.delay.ms</a></h4>
+<p>Connection close delay on failed authentication: this is the time (in milliseconds) by which connection close will be delayed on authentication failure. This must be configured to be less than connections.max.idle.ms to prevent connection timeout.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>100</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controller.quota.window.num"></a><a id="brokerconfigs_controller.quota.window.num" href="#brokerconfigs_controller.quota.window.num">controller.quota.window.num</a></h4>
+<p>The number of samples to retain in memory for controller mutation quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>11</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="controller.quota.window.size.seconds"></a><a id="brokerconfigs_controller.quota.window.size.seconds" href="#brokerconfigs_controller.quota.window.size.seconds">controller.quota.window.size.seconds</a></h4>
+<p>The time span of each sample for controller mutations quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="create.topic.policy.class.name"></a><a id="brokerconfigs_create.topic.policy.class.name" href="#brokerconfigs_create.topic.policy.class.name">create.topic.policy.class.name</a></h4>
+<p>The create topic policy class that should be used for validation. The class should implement the <code>org.apache.kafka.server.policy.CreateTopicPolicy</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delegation.token.expiry.check.interval.ms"></a><a id="brokerconfigs_delegation.token.expiry.check.interval.ms" href="#brokerconfigs_delegation.token.expiry.check.interval.ms">delegation.token.expiry.check.interval.ms</a></h4>
+<p>Scan interval to remove expired delegation tokens.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>3600000 (1 hour)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="kafka.metrics.polling.interval.secs"></a><a id="brokerconfigs_kafka.metrics.polling.interval.secs" href="#brokerconfigs_kafka.metrics.polling.interval.secs">kafka.metrics.polling.interval.secs</a></h4>
+<p>The metrics polling interval (in seconds) which can be used in kafka.metrics.reporters implementations.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="kafka.metrics.reporters"></a><a id="brokerconfigs_kafka.metrics.reporters" href="#brokerconfigs_kafka.metrics.reporters">kafka.metrics.reporters</a></h4>
+<p>A list of classes to use as Yammer metrics custom reporters. The reporters should implement <code>kafka.metrics.KafkaMetricsReporter</code> trait. If a client wants to expose JMX operations on a custom reporter, the custom reporter needs to additionally implement an MBean trait that extends <code>kafka.metrics.KafkaMetricsReporterMBean</code> trait so that the registered MBean is compliant with the standard MBean convention.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="listener.security.protocol.map"></a><a id="brokerconfigs_listener.security.protocol.map" href="#brokerconfigs_listener.security.protocol.map">listener.security.protocol.map</a></h4>
+<p>Map between listener names and security protocols. This must be defined for the same security protocol to be usable in more than one port or IP. For example, internal and external traffic can be separated even if SSL is required for both. Concretely, the user could define listeners with names INTERNAL and EXTERNAL and this property as: `INTERNAL:SSL,EXTERNAL:SSL`. As shown, key and value are separated by a colon and map entries are separated by commas. Each listener name should only a [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="log.message.downconversion.enable"></a><a id="brokerconfigs_log.message.downconversion.enable" href="#brokerconfigs_log.message.downconversion.enable">log.message.downconversion.enable</a></h4>
+<p>This configuration controls whether down-conversion of message formats is enabled to satisfy consume requests. When set to <code>false</code>, broker will not perform down-conversion for consumers expecting an older message format. The broker responds with <code>UNSUPPORTED_VERSION</code> error for consume requests from such older clients. This configurationdoes not apply to any message format conversion that might be required for replication to followers.</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>true</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metric.reporters"></a><a id="brokerconfigs_metric.reporters" href="#brokerconfigs_metric.reporters">metric.reporters</a></h4>
+<p>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>cluster-wide</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.num.samples"></a><a id="brokerconfigs_metrics.num.samples" href="#brokerconfigs_metrics.num.samples">metrics.num.samples</a></h4>
+<p>The number of samples maintained to compute metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.recording.level"></a><a id="brokerconfigs_metrics.recording.level" href="#brokerconfigs_metrics.recording.level">metrics.recording.level</a></h4>
+<p>The highest recording level for metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>INFO</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.sample.window.ms"></a><a id="brokerconfigs_metrics.sample.window.ms" href="#brokerconfigs_metrics.sample.window.ms">metrics.sample.window.ms</a></h4>
+<p>The window of time a metrics sample is computed over.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.cipher.algorithm"></a><a id="brokerconfigs_password.encoder.cipher.algorithm" href="#brokerconfigs_password.encoder.cipher.algorithm">password.encoder.cipher.algorithm</a></h4>
+<p>The Cipher algorithm used for encoding dynamically configured passwords.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>AES/CBC/PKCS5Padding</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.iterations"></a><a id="brokerconfigs_password.encoder.iterations" href="#brokerconfigs_password.encoder.iterations">password.encoder.iterations</a></h4>
+<p>The iteration count used for encoding dynamically configured passwords.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>4096</td></tr>
+<tr><th>Valid Values:</th><td>[1024,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.key.length"></a><a id="brokerconfigs_password.encoder.key.length" href="#brokerconfigs_password.encoder.key.length">password.encoder.key.length</a></h4>
+<p>The key length used for encoding dynamically configured passwords.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>128</td></tr>
+<tr><th>Valid Values:</th><td>[8,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="password.encoder.keyfactory.algorithm"></a><a id="brokerconfigs_password.encoder.keyfactory.algorithm" href="#brokerconfigs_password.encoder.keyfactory.algorithm">password.encoder.keyfactory.algorithm</a></h4>
+<p>The SecretKeyFactory algorithm used for encoding dynamically configured passwords. Default is PBKDF2WithHmacSHA512 if available and PBKDF2WithHmacSHA1 otherwise.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="quota.window.num"></a><a id="brokerconfigs_quota.window.num" href="#brokerconfigs_quota.window.num">quota.window.num</a></h4>
+<p>The number of samples to retain in memory for client quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>11</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="quota.window.size.seconds"></a><a id="brokerconfigs_quota.window.size.seconds" href="#brokerconfigs_quota.window.size.seconds">quota.window.size.seconds</a></h4>
+<p>The time span of each sample for client quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replication.quota.window.num"></a><a id="brokerconfigs_replication.quota.window.num" href="#brokerconfigs_replication.quota.window.num">replication.quota.window.num</a></h4>
+<p>The number of samples to retain in memory for replication quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>11</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="replication.quota.window.size.seconds"></a><a id="brokerconfigs_replication.quota.window.size.seconds" href="#brokerconfigs_replication.quota.window.size.seconds">replication.quota.window.size.seconds</a></h4>
+<p>The time span of each sample for replication quotas</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.providers"></a><a id="brokerconfigs_security.providers" href="#brokerconfigs_security.providers">security.providers</a></h4>
+<p>A list of configurable creator classes each returning a provider implementing security algorithms. These classes should implement the <code>org.apache.kafka.common.security.auth.SecurityProviderCreator</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.endpoint.identification.algorithm"></a><a id="brokerconfigs_ssl.endpoint.identification.algorithm" href="#brokerconfigs_ssl.endpoint.identification.algorithm">ssl.endpoint.identification.algorithm</a></h4>
+<p>The endpoint identification algorithm to validate server hostname using server certificate. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>https</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.engine.factory.class"></a><a id="brokerconfigs_ssl.engine.factory.class" href="#brokerconfigs_ssl.engine.factory.class">ssl.engine.factory.class</a></h4>
+<p>The class of type org.apache.kafka.common.security.auth.SslEngineFactory to provide SSLEngine objects. Default value is org.apache.kafka.common.security.ssl.DefaultSslEngineFactory</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.principal.mapping.rules"></a><a id="brokerconfigs_ssl.principal.mapping.rules" href="#brokerconfigs_ssl.principal.mapping.rules">ssl.principal.mapping.rules</a></h4>
+<p>A list of rules for mapping from distinguished name from the client certificate to short name. The rules are evaluated in order and the first rule that matches a principal name is used to map it to a short name. Any later rules in the list are ignored. By default, distinguished name of the X.500 certificate will be the principal. For more details on the format please see <a href="#security_authz"> security authorization and acls</a>. Note that this configuration is ignored if an exten [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>DEFAULT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.secure.random.implementation"></a><a id="brokerconfigs_ssl.secure.random.implementation" href="#brokerconfigs_ssl.secure.random.implementation">ssl.secure.random.implementation</a></h4>
+<p>The SecureRandom PRNG implementation to use for SSL cryptography operations. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>per-broker</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.abort.timed.out.transaction.cleanup.interval.ms"></a><a id="brokerconfigs_transaction.abort.timed.out.transaction.cleanup.interval.ms" href="#brokerconfigs_transaction.abort.timed.out.transaction.cleanup.interval.ms">transaction.abort.timed.out.transaction.cleanup.interval.ms</a></h4>
+<p>The interval at which to rollback transactions that have timed out</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.remove.expired.transaction.cleanup.interval.ms"></a><a id="brokerconfigs_transaction.remove.expired.transaction.cleanup.interval.ms" href="#brokerconfigs_transaction.remove.expired.transaction.cleanup.interval.ms">transaction.remove.expired.transaction.cleanup.interval.ms</a></h4>
+<p>The interval at which to remove transactions that have expired due to <code>transactional.id.expiration.ms</code> passing</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>3600000 (1 hour)</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.cipher.suites"></a><a id="brokerconfigs_zookeeper.ssl.cipher.suites" href="#brokerconfigs_zookeeper.ssl.cipher.suites">zookeeper.ssl.cipher.suites</a></h4>
+<p>Specifies the enabled cipher suites to be used in ZooKeeper TLS negotiation (csv). Overrides any explicit value set via the <code>zookeeper.ssl.ciphersuites</code> system property (note the single word "ciphersuites"). The default value of <code>null</code> means the list of enabled cipher suites is determined by the Java runtime being used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.crl.enable"></a><a id="brokerconfigs_zookeeper.ssl.crl.enable" href="#brokerconfigs_zookeeper.ssl.crl.enable">zookeeper.ssl.crl.enable</a></h4>
+<p>Specifies whether to enable Certificate Revocation List in the ZooKeeper TLS protocols. Overrides any explicit value set via the <code>zookeeper.ssl.crl</code> system property (note the shorter name).</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.enabled.protocols"></a><a id="brokerconfigs_zookeeper.ssl.enabled.protocols" href="#brokerconfigs_zookeeper.ssl.enabled.protocols">zookeeper.ssl.enabled.protocols</a></h4>
+<p>Specifies the enabled protocol(s) in ZooKeeper TLS negotiation (csv). Overrides any explicit value set via the <code>zookeeper.ssl.enabledProtocols</code> system property (note the camelCase). The default value of <code>null</code> means the enabled protocol will be the value of the <code>zookeeper.ssl.protocol</code> configuration property.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.endpoint.identification.algorithm"></a><a id="brokerconfigs_zookeeper.ssl.endpoint.identification.algorithm" href="#brokerconfigs_zookeeper.ssl.endpoint.identification.algorithm">zookeeper.ssl.endpoint.identification.algorithm</a></h4>
+<p>Specifies whether to enable hostname verification in the ZooKeeper TLS negotiation process, with (case-insensitively) "https" meaning ZooKeeper hostname verification is enabled and an explicit blank value meaning it is disabled (disabling it is only recommended for testing purposes). An explicit value overrides any "true" or "false" value set via the <code>zookeeper.ssl.hostnameVerification</code> system property (note the different name and values; true implies https and false implie [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>HTTPS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.ocsp.enable"></a><a id="brokerconfigs_zookeeper.ssl.ocsp.enable" href="#brokerconfigs_zookeeper.ssl.ocsp.enable">zookeeper.ssl.ocsp.enable</a></h4>
+<p>Specifies whether to enable Online Certificate Status Protocol in the ZooKeeper TLS protocols. Overrides any explicit value set via the <code>zookeeper.ssl.ocsp</code> system property (note the shorter name).</p>
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.ssl.protocol"></a><a id="brokerconfigs_zookeeper.ssl.protocol" href="#brokerconfigs_zookeeper.ssl.protocol">zookeeper.ssl.protocol</a></h4>
+<p>Specifies the protocol to be used in ZooKeeper TLS negotiation. An explicit value overrides any value set via the same-named <code>zookeeper.ssl.protocol</code> system property.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="zookeeper.sync.time.ms"></a><a id="brokerconfigs_zookeeper.sync.time.ms" href="#brokerconfigs_zookeeper.sync.time.ms">zookeeper.sync.time.ms</a></h4>
+<p>How far a ZK follower can be behind a ZK leader</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2000 (2 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+<tr><th>Update Mode:</th><td>read-only</td></tr>
+</tbody></table>
+</li>
+</ul>
+
diff --git a/27/generated/producer_config.html b/27/generated/producer_config.html
new file mode 100644
index 0000000..fcf3cb1
--- /dev/null
+++ b/27/generated/producer_config.html
@@ -0,0 +1,703 @@
+<ul class="config-list">
+<li>
+<h4><a id="key.serializer"></a><a id="producerconfigs_key.serializer" href="#producerconfigs_key.serializer">key.serializer</a></h4>
+<p>Serializer class for key that implements the <code>org.apache.kafka.common.serialization.Serializer</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="value.serializer"></a><a id="producerconfigs_value.serializer" href="#producerconfigs_value.serializer">value.serializer</a></h4>
+<p>Serializer class for value that implements the <code>org.apache.kafka.common.serialization.Serializer</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td></td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="acks"></a><a id="producerconfigs_acks" href="#producerconfigs_acks">acks</a></h4>
+<p>The number of acknowledgments the producer requires the leader to have received before considering a request complete. This controls the durability of records that are sent. The following settings are allowed: <ul> <li><code>acks=0</code> If set to zero then the producer will not wait for any acknowledgment from the server at all. The record will be immediately added to the socket buffer and considered sent. No guarantee can be made that the server has received the record in this ca [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>1</td></tr>
+<tr><th>Valid Values:</th><td>[all, -1, 0, 1]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="bootstrap.servers"></a><a id="producerconfigs_bootstrap.servers" href="#producerconfigs_bootstrap.servers">bootstrap.servers</a></h4>
+<p>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form <code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to discover the full cluster membership (which may change dynam [...]
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="buffer.memory"></a><a id="producerconfigs_buffer.memory" href="#producerconfigs_buffer.memory">buffer.memory</a></h4>
+<p>The total bytes of memory the producer can use to buffer records waiting to be sent to the server. If records are sent faster than they can be delivered to the server the producer will block for <code>max.block.ms</code> after which it will throw an exception.<p>This setting should correspond roughly to the total memory the producer will use, but is not a hard bound since not all memory the producer uses is used for buffering. Some additional memory will be used for compression (if co [...]
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>33554432</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="compression.type"></a><a id="producerconfigs_compression.type" href="#producerconfigs_compression.type">compression.type</a></h4>
+<p>The compression type for all data generated by the producer. The default is none (i.e. no compression). Valid values are <code>none</code>, <code>gzip</code>, <code>snappy</code>, <code>lz4</code>, or <code>zstd</code>. Compression is of full batches of data, so the efficacy of batching will also impact the compression ratio (more batching means better compression).</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>none</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retries"></a><a id="producerconfigs_retries" href="#producerconfigs_retries">retries</a></h4>
+<p>Setting a value greater than zero will cause the client to resend any record whose send fails with a potentially transient error. Note that this retry is no different than if the client resent the record upon receiving the error. Allowing retries without setting <code>max.in.flight.requests.per.connection</code> to 1 will potentially change the ordering of records because if two batches are sent to a single partition, and the first fails and is retried but the second succeeds, then th [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2147483647</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,2147483647]</td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.key.password"></a><a id="producerconfigs_ssl.key.password" href="#producerconfigs_ssl.key.password">ssl.key.password</a></h4>
+<p>The password of the private key in the key store file orthe PEM key specified in `ssl.keystore.key'. This is required for clients only if two-way authentication is configured.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.certificate.chain"></a><a id="producerconfigs_ssl.keystore.certificate.chain" href="#producerconfigs_ssl.keystore.certificate.chain">ssl.keystore.certificate.chain</a></h4>
+<p>Certificate chain in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with a list of X.509 certificates</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.key"></a><a id="producerconfigs_ssl.keystore.key" href="#producerconfigs_ssl.keystore.key">ssl.keystore.key</a></h4>
+<p>Private key in the format specified by 'ssl.keystore.type'. Default SSL engine factory supports only PEM format with PKCS#8 keys. If the key is encrypted, key password must be specified using 'ssl.key.password'</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.location"></a><a id="producerconfigs_ssl.keystore.location" href="#producerconfigs_ssl.keystore.location">ssl.keystore.location</a></h4>
+<p>The location of the key store file. This is optional for client and can be used for two-way authentication for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.password"></a><a id="producerconfigs_ssl.keystore.password" href="#producerconfigs_ssl.keystore.password">ssl.keystore.password</a></h4>
+<p>The store password for the key store file. This is optional for client and only needed if 'ssl.keystore.location' is configured. Key store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.certificates"></a><a id="producerconfigs_ssl.truststore.certificates" href="#producerconfigs_ssl.truststore.certificates">ssl.truststore.certificates</a></h4>
+<p>Trusted certificates in the format specified by 'ssl.truststore.type'. Default SSL engine factory supports only PEM format with X.509 certificates.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.location"></a><a id="producerconfigs_ssl.truststore.location" href="#producerconfigs_ssl.truststore.location">ssl.truststore.location</a></h4>
+<p>The location of the trust store file. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.password"></a><a id="producerconfigs_ssl.truststore.password" href="#producerconfigs_ssl.truststore.password">ssl.truststore.password</a></h4>
+<p>The password for the trust store file. If a password is not set, trust store file configured will still be used, but integrity checking is disabled. Trust store password is not supported for PEM format.</p>
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>high</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="batch.size"></a><a id="producerconfigs_batch.size" href="#producerconfigs_batch.size">batch.size</a></h4>
+<p>The producer will attempt to batch records together into fewer requests whenever multiple records are being sent to the same partition. This helps performance on both the client and the server. This configuration controls the default batch size in bytes. <p>No attempt will be made to batch records larger than this size. <p>Requests sent to brokers will contain multiple batches, one for each partition with data available to be sent. <p>A small batch size will make batching less common [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>16384</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.dns.lookup"></a><a id="producerconfigs_client.dns.lookup" href="#producerconfigs_client.dns.lookup">client.dns.lookup</a></h4>
+<p>Controls how the client uses DNS lookups. If set to <code>use_all_dns_ips</code>, connect to each returned IP address in sequence until a successful connection is established. After a disconnection, the next IP is used. Once all IPs have been used once, the client resolves the IP(s) from the hostname again (both the JVM and the OS cache DNS name lookups, however). If set to <code>resolve_canonical_bootstrap_servers_only</code>, resolve each bootstrap address into a list of canonical n [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>use_all_dns_ips</td></tr>
+<tr><th>Valid Values:</th><td>[default, use_all_dns_ips, resolve_canonical_bootstrap_servers_only]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="client.id"></a><a id="producerconfigs_client.id" href="#producerconfigs_client.id">client.id</a></h4>
+<p>An id string to pass to the server when making requests. The purpose of this is to be able to track the source of requests beyond just ip/port by allowing a logical application name to be included in server-side request logging.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="connections.max.idle.ms"></a><a id="producerconfigs_connections.max.idle.ms" href="#producerconfigs_connections.max.idle.ms">connections.max.idle.ms</a></h4>
+<p>Close idle connections after the number of milliseconds specified by this config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>540000 (9 minutes)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="delivery.timeout.ms"></a><a id="producerconfigs_delivery.timeout.ms" href="#producerconfigs_delivery.timeout.ms">delivery.timeout.ms</a></h4>
+<p>An upper bound on the time to report success or failure after a call to <code>send()</code> returns. This limits the total time that a record will be delayed prior to sending, the time to await acknowledgement from the broker (if expected), and the time allowed for retriable send failures. The producer may report failure to send a record earlier than this config if either an unrecoverable error is encountered, the retries have been exhausted, or the record is added to a batch which re [...]
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>120000 (2 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="linger.ms"></a><a id="producerconfigs_linger.ms" href="#producerconfigs_linger.ms">linger.ms</a></h4>
+<p>The producer groups together any records that arrive in between request transmissions into a single batched request. Normally this occurs only under load when records arrive faster than they can be sent out. However in some circumstances the client may want to reduce the number of requests even under moderate load. This setting accomplishes this by adding a small amount of artificial delay—that is, rather than immediately sending out a record the producer will wait for up to the [...]
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>0</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.block.ms"></a><a id="producerconfigs_max.block.ms" href="#producerconfigs_max.block.ms">max.block.ms</a></h4>
+<p>The configuration controls how long the <code>KafkaProducer</code>'s <code>send()</code>, <code>partitionsFor()</code>, <code>initTransactions()</code>, <code>sendOffsetsToTransaction()</code>, <code>commitTransaction()</code> and <code>abortTransaction()</code> methods will block. For <code>send()</code> this timeout bounds the total time waiting for both metadata fetch and buffer allocation (blocking in the user-supplied serializers or partitioner is not counted against this timeout [...]
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.request.size"></a><a id="producerconfigs_max.request.size" href="#producerconfigs_max.request.size">max.request.size</a></h4>
+<p>The maximum size of a request in bytes. This setting will limit the number of record batches the producer will send in a single request to avoid sending huge requests. This is also effectively a cap on the maximum uncompressed record batch size. Note that the server has its own cap on the record batch size (after compression if compression is enabled) which may be different from this.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>1048576</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="partitioner.class"></a><a id="producerconfigs_partitioner.class" href="#producerconfigs_partitioner.class">partitioner.class</a></h4>
+<p>Partitioner class that implements the <code>org.apache.kafka.clients.producer.Partitioner</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>org.apache.kafka.clients.producer.internals.DefaultPartitioner</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="receive.buffer.bytes"></a><a id="producerconfigs_receive.buffer.bytes" href="#producerconfigs_receive.buffer.bytes">receive.buffer.bytes</a></h4>
+<p>The size of the TCP receive buffer (SO_RCVBUF) to use when reading data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>32768 (32 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="request.timeout.ms"></a><a id="producerconfigs_request.timeout.ms" href="#producerconfigs_request.timeout.ms">request.timeout.ms</a></h4>
+<p>The configuration controls the maximum amount of time the client will wait for the response of a request. If the response is not received before the timeout elapses the client will resend the request if necessary or fail the request if retries are exhausted. This should be larger than <code>replica.lag.time.max.ms</code> (a broker configuration) to reduce the possibility of message duplication due to unnecessary producer retries.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.client.callback.handler.class"></a><a id="producerconfigs_sasl.client.callback.handler.class" href="#producerconfigs_sasl.client.callback.handler.class">sasl.client.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL client callback handler class that implements the AuthenticateCallbackHandler interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.jaas.config"></a><a id="producerconfigs_sasl.jaas.config" href="#producerconfigs_sasl.jaas.config">sasl.jaas.config</a></h4>
+<p>JAAS login context parameters for SASL connections in the format used by JAAS configuration files. JAAS configuration file format is described <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html">here</a>. The format for the value is: '<code>loginModuleClass controlFlag (optionName=optionValue)*;</code>'. For brokers, the config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.nam [...]
+<table><tbody>
+<tr><th>Type:</th><td>password</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.service.name"></a><a id="producerconfigs_sasl.kerberos.service.name" href="#producerconfigs_sasl.kerberos.service.name">sasl.kerberos.service.name</a></h4>
+<p>The Kerberos principal name that Kafka runs as. This can be defined either in Kafka's JAAS config or in Kafka's config.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.callback.handler.class"></a><a id="producerconfigs_sasl.login.callback.handler.class" href="#producerconfigs_sasl.login.callback.handler.class">sasl.login.callback.handler.class</a></h4>
+<p>The fully qualified name of a SASL login callback handler class that implements the AuthenticateCallbackHandler interface. For brokers, login callback handler config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.callback.handler.class=com.example.CustomScramLoginCallbackHandler</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.class"></a><a id="producerconfigs_sasl.login.class" href="#producerconfigs_sasl.login.class">sasl.login.class</a></h4>
+<p>The fully qualified name of a class that implements the Login interface. For brokers, login config must be prefixed with listener prefix and SASL mechanism name in lower-case. For example, listener.name.sasl_ssl.scram-sha-256.sasl.login.class=com.example.CustomScramLogin</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.mechanism"></a><a id="producerconfigs_sasl.mechanism" href="#producerconfigs_sasl.mechanism">sasl.mechanism</a></h4>
+<p>SASL mechanism used for client connections. This may be any mechanism for which a security provider is available. GSSAPI is the default mechanism.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>GSSAPI</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.protocol"></a><a id="producerconfigs_security.protocol" href="#producerconfigs_security.protocol">security.protocol</a></h4>
+<p>Protocol used to communicate with brokers. Valid values are: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PLAINTEXT</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="send.buffer.bytes"></a><a id="producerconfigs_send.buffer.bytes" href="#producerconfigs_send.buffer.bytes">send.buffer.bytes</a></h4>
+<p>The size of the TCP send buffer (SO_SNDBUF) to use when sending data. If the value is -1, the OS default will be used.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>131072 (128 kibibytes)</td></tr>
+<tr><th>Valid Values:</th><td>[-1,...]</td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.max.ms"></a><a id="producerconfigs_socket.connection.setup.timeout.max.ms" href="#producerconfigs_socket.connection.setup.timeout.max.ms">socket.connection.setup.timeout.max.ms</a></h4>
+<p>The maximum amount of time the client will wait for the socket connection to be established. The connection setup timeout will increase exponentially for each consecutive connection failure up to this maximum. To avoid connection storms, a randomization factor of 0.2 will be applied to the timeout resulting in a random range between 20% below and 20% above the computed value.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>127000 (127 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="socket.connection.setup.timeout.ms"></a><a id="producerconfigs_socket.connection.setup.timeout.ms" href="#producerconfigs_socket.connection.setup.timeout.ms">socket.connection.setup.timeout.ms</a></h4>
+<p>The amount of time the client will wait for the socket connection to be established. If the connection is not built before the timeout elapses, clients will close the socket channel.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>10000 (10 seconds)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.enabled.protocols"></a><a id="producerconfigs_ssl.enabled.protocols" href="#producerconfigs_ssl.enabled.protocols">ssl.enabled.protocols</a></h4>
+<p>The list of protocols enabled for SSL connections. The default is 'TLSv1.2,TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. With the default value for Java 11, clients and servers will prefer TLSv1.3 if both support it and fallback to TLSv1.2 otherwise (assuming both support at least TLSv1.2). This default should be fine for most cases. Also see the config documentation for `ssl.protocol`.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keystore.type"></a><a id="producerconfigs_ssl.keystore.type" href="#producerconfigs_ssl.keystore.type">ssl.keystore.type</a></h4>
+<p>The file format of the key store file. This is optional for client.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.protocol"></a><a id="producerconfigs_ssl.protocol" href="#producerconfigs_ssl.protocol">ssl.protocol</a></h4>
+<p>The SSL protocol used to generate the SSLContext. The default is 'TLSv1.3' when running with Java 11 or newer, 'TLSv1.2' otherwise. This value should be fine for most use cases. Allowed values in recent JVMs are 'TLSv1.2' and 'TLSv1.3'. 'TLS', 'TLSv1.1', 'SSL', 'SSLv2' and 'SSLv3' may be supported in older JVMs, but their usage is discouraged due to known security vulnerabilities. With the default value for this config and 'ssl.enabled.protocols', clients will downgrade to 'TLSv1.2' i [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>TLSv1.2</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.provider"></a><a id="producerconfigs_ssl.provider" href="#producerconfigs_ssl.provider">ssl.provider</a></h4>
+<p>The name of the security provider used for SSL connections. Default value is the default security provider of the JVM.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.truststore.type"></a><a id="producerconfigs_ssl.truststore.type" href="#producerconfigs_ssl.truststore.type">ssl.truststore.type</a></h4>
+<p>The file format of the trust store file.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>JKS</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>medium</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="enable.idempotence"></a><a id="producerconfigs_enable.idempotence" href="#producerconfigs_enable.idempotence">enable.idempotence</a></h4>
+<p>When set to 'true', the producer will ensure that exactly one copy of each message is written in the stream. If 'false', producer retries due to broker failures, etc., may write duplicates of the retried message in the stream. Note that enabling idempotence requires <code>max.in.flight.requests.per.connection</code> to be less than or equal to 5, <code>retries</code> to be greater than 0 and <code>acks</code> must be 'all'. If these values are not explicitly set by the user, suitable [...]
+<table><tbody>
+<tr><th>Type:</th><td>boolean</td></tr>
+<tr><th>Default:</th><td>false</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="interceptor.classes"></a><a id="producerconfigs_interceptor.classes" href="#producerconfigs_interceptor.classes">interceptor.classes</a></h4>
+<p>A list of classes to use as interceptors. Implementing the <code>org.apache.kafka.clients.producer.ProducerInterceptor</code> interface allows you to intercept (and possibly mutate) the records received by the producer before they are published to the Kafka cluster. By default, there are no interceptors.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="max.in.flight.requests.per.connection"></a><a id="producerconfigs_max.in.flight.requests.per.connection" href="#producerconfigs_max.in.flight.requests.per.connection">max.in.flight.requests.per.connection</a></h4>
+<p>The maximum number of unacknowledged requests the client will send on a single connection before blocking. Note that if this setting is set to be greater than 1 and there are failed sends, there is a risk of message re-ordering due to retries (i.e., if retries are enabled).</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>5</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metadata.max.age.ms"></a><a id="producerconfigs_metadata.max.age.ms" href="#producerconfigs_metadata.max.age.ms">metadata.max.age.ms</a></h4>
+<p>The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metadata.max.idle.ms"></a><a id="producerconfigs_metadata.max.idle.ms" href="#producerconfigs_metadata.max.idle.ms">metadata.max.idle.ms</a></h4>
+<p>Controls how long the producer will cache metadata for a topic that's idle. If the elapsed time since a topic was last produced to exceeds the metadata idle duration, then the topic's metadata is forgotten and the next access to it will force a metadata fetch request.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>300000 (5 minutes)</td></tr>
+<tr><th>Valid Values:</th><td>[5000,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metric.reporters"></a><a id="producerconfigs_metric.reporters" href="#producerconfigs_metric.reporters">metric.reporters</a></h4>
+<p>A list of classes to use as metrics reporters. Implementing the <code>org.apache.kafka.common.metrics.MetricsReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>""</td></tr>
+<tr><th>Valid Values:</th><td>non-null string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.num.samples"></a><a id="producerconfigs_metrics.num.samples" href="#producerconfigs_metrics.num.samples">metrics.num.samples</a></h4>
+<p>The number of samples maintained to compute metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>2</td></tr>
+<tr><th>Valid Values:</th><td>[1,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.recording.level"></a><a id="producerconfigs_metrics.recording.level" href="#producerconfigs_metrics.recording.level">metrics.recording.level</a></h4>
+<p>The highest recording level for metrics.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>INFO</td></tr>
+<tr><th>Valid Values:</th><td>[INFO, DEBUG, TRACE]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="metrics.sample.window.ms"></a><a id="producerconfigs_metrics.sample.window.ms" href="#producerconfigs_metrics.sample.window.ms">metrics.sample.window.ms</a></h4>
+<p>The window of time a metrics sample is computed over.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>30000 (30 seconds)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.max.ms"></a><a id="producerconfigs_reconnect.backoff.max.ms" href="#producerconfigs_reconnect.backoff.max.ms">reconnect.backoff.max.ms</a></h4>
+<p>The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect. If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum. After calculating the backoff increase, 20% random jitter is added to avoid connection storms.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>1000 (1 second)</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="reconnect.backoff.ms"></a><a id="producerconfigs_reconnect.backoff.ms" href="#producerconfigs_reconnect.backoff.ms">reconnect.backoff.ms</a></h4>
+<p>The base amount of time to wait before attempting to reconnect to a given host. This avoids repeatedly connecting to a host in a tight loop. This backoff applies to all connection attempts by the client to a broker.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>50</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="retry.backoff.ms"></a><a id="producerconfigs_retry.backoff.ms" href="#producerconfigs_retry.backoff.ms">retry.backoff.ms</a></h4>
+<p>The amount of time to wait before attempting to retry a failed request to a given topic partition. This avoids repeatedly sending requests in a tight loop under some failure scenarios.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>100</td></tr>
+<tr><th>Valid Values:</th><td>[0,...]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.kinit.cmd"></a><a id="producerconfigs_sasl.kerberos.kinit.cmd" href="#producerconfigs_sasl.kerberos.kinit.cmd">sasl.kerberos.kinit.cmd</a></h4>
+<p>Kerberos kinit command path.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>/usr/bin/kinit</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.min.time.before.relogin"></a><a id="producerconfigs_sasl.kerberos.min.time.before.relogin" href="#producerconfigs_sasl.kerberos.min.time.before.relogin">sasl.kerberos.min.time.before.relogin</a></h4>
+<p>Login thread sleep time between refresh attempts.</p>
+<table><tbody>
+<tr><th>Type:</th><td>long</td></tr>
+<tr><th>Default:</th><td>60000</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.jitter"></a><a id="producerconfigs_sasl.kerberos.ticket.renew.jitter" href="#producerconfigs_sasl.kerberos.ticket.renew.jitter">sasl.kerberos.ticket.renew.jitter</a></h4>
+<p>Percentage of random jitter added to the renewal time.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.kerberos.ticket.renew.window.factor"></a><a id="producerconfigs_sasl.kerberos.ticket.renew.window.factor" href="#producerconfigs_sasl.kerberos.ticket.renew.window.factor">sasl.kerberos.ticket.renew.window.factor</a></h4>
+<p>Login thread will sleep until the specified window factor of time from last refresh to ticket's expiry has been reached, at which time it will try to renew the ticket.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.buffer.seconds"></a><a id="producerconfigs_sasl.login.refresh.buffer.seconds" href="#producerconfigs_sasl.login.refresh.buffer.seconds">sasl.login.refresh.buffer.seconds</a></h4>
+<p>The amount of buffer time before credential expiration to maintain when refreshing a credential, in seconds. If a refresh would otherwise occur closer to expiration than the number of buffer seconds then the refresh will be moved up to maintain as much of the buffer time as possible. Legal values are between 0 and 3600 (1 hour); a default value of 300 (5 minutes) is used if no value is specified. This value and sasl.login.refresh.min.period.seconds are both ignored if their sum excee [...]
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>300</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,3600]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.min.period.seconds"></a><a id="producerconfigs_sasl.login.refresh.min.period.seconds" href="#producerconfigs_sasl.login.refresh.min.period.seconds">sasl.login.refresh.min.period.seconds</a></h4>
+<p>The desired minimum time for the login refresh thread to wait before refreshing a credential, in seconds. Legal values are between 0 and 900 (15 minutes); a default value of 60 (1 minute) is used if no value is specified. This value and sasl.login.refresh.buffer.seconds are both ignored if their sum exceeds the remaining lifetime of a credential. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>short</td></tr>
+<tr><th>Default:</th><td>60</td></tr>
+<tr><th>Valid Values:</th><td>[0,...,900]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.factor"></a><a id="producerconfigs_sasl.login.refresh.window.factor" href="#producerconfigs_sasl.login.refresh.window.factor">sasl.login.refresh.window.factor</a></h4>
+<p>Login refresh thread will sleep until the specified window factor relative to the credential's lifetime has been reached, at which time it will try to refresh the credential. Legal values are between 0.5 (50%) and 1.0 (100%) inclusive; a default value of 0.8 (80%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.8</td></tr>
+<tr><th>Valid Values:</th><td>[0.5,...,1.0]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="sasl.login.refresh.window.jitter"></a><a id="producerconfigs_sasl.login.refresh.window.jitter" href="#producerconfigs_sasl.login.refresh.window.jitter">sasl.login.refresh.window.jitter</a></h4>
+<p>The maximum amount of random jitter relative to the credential's lifetime that is added to the login refresh thread's sleep time. Legal values are between 0 and 0.25 (25%) inclusive; a default value of 0.05 (5%) is used if no value is specified. Currently applies only to OAUTHBEARER.</p>
+<table><tbody>
+<tr><th>Type:</th><td>double</td></tr>
+<tr><th>Default:</th><td>0.05</td></tr>
+<tr><th>Valid Values:</th><td>[0.0,...,0.25]</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="security.providers"></a><a id="producerconfigs_security.providers" href="#producerconfigs_security.providers">security.providers</a></h4>
+<p>A list of configurable creator classes each returning a provider implementing security algorithms. These classes should implement the <code>org.apache.kafka.common.security.auth.SecurityProviderCreator</code> interface.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.cipher.suites"></a><a id="producerconfigs_ssl.cipher.suites" href="#producerconfigs_ssl.cipher.suites">ssl.cipher.suites</a></h4>
+<p>A list of cipher suites. This is a named combination of authentication, encryption, MAC and key exchange algorithm used to negotiate the security settings for a network connection using TLS or SSL network protocol. By default all the available cipher suites are supported.</p>
+<table><tbody>
+<tr><th>Type:</th><td>list</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.endpoint.identification.algorithm"></a><a id="producerconfigs_ssl.endpoint.identification.algorithm" href="#producerconfigs_ssl.endpoint.identification.algorithm">ssl.endpoint.identification.algorithm</a></h4>
+<p>The endpoint identification algorithm to validate server hostname using server certificate. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>https</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.engine.factory.class"></a><a id="producerconfigs_ssl.engine.factory.class" href="#producerconfigs_ssl.engine.factory.class">ssl.engine.factory.class</a></h4>
+<p>The class of type org.apache.kafka.common.security.auth.SslEngineFactory to provide SSLEngine objects. Default value is org.apache.kafka.common.security.ssl.DefaultSslEngineFactory</p>
+<table><tbody>
+<tr><th>Type:</th><td>class</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.keymanager.algorithm"></a><a id="producerconfigs_ssl.keymanager.algorithm" href="#producerconfigs_ssl.keymanager.algorithm">ssl.keymanager.algorithm</a></h4>
+<p>The algorithm used by key manager factory for SSL connections. Default value is the key manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>SunX509</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.secure.random.implementation"></a><a id="producerconfigs_ssl.secure.random.implementation" href="#producerconfigs_ssl.secure.random.implementation">ssl.secure.random.implementation</a></h4>
+<p>The SecureRandom PRNG implementation to use for SSL cryptography operations. </p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="ssl.trustmanager.algorithm"></a><a id="producerconfigs_ssl.trustmanager.algorithm" href="#producerconfigs_ssl.trustmanager.algorithm">ssl.trustmanager.algorithm</a></h4>
+<p>The algorithm used by trust manager factory for SSL connections. Default value is the trust manager factory algorithm configured for the Java Virtual Machine.</p>
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>PKIX</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transaction.timeout.ms"></a><a id="producerconfigs_transaction.timeout.ms" href="#producerconfigs_transaction.timeout.ms">transaction.timeout.ms</a></h4>
+<p>The maximum amount of time in ms that the transaction coordinator will wait for a transaction status update from the producer before proactively aborting the ongoing transaction.If this value is larger than the transaction.max.timeout.ms setting in the broker, the request will fail with a <code>InvalidTxnTimeoutException</code> error.</p>
+<table><tbody>
+<tr><th>Type:</th><td>int</td></tr>
+<tr><th>Default:</th><td>60000 (1 minute)</td></tr>
+<tr><th>Valid Values:</th><td></td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+<li>
+<h4><a id="transactional.id"></a><a id="producerconfigs_transactional.id" href="#producerconfigs_transactional.id">transactional.id</a></h4>
+<p>The TransactionalId to use for transactional delivery. This enables reliability semantics which span multiple producer sessions since it allows the client to guarantee that transactions using the same TransactionalId have been completed prior to starting any new transactions. If no TransactionalId is provided, then the producer is limited to idempotent delivery. If a TransactionalId is configured, <code>enable.idempotence</code> is implied. By default the TransactionId is not configur [...]
+<table><tbody>
+<tr><th>Type:</th><td>string</td></tr>
+<tr><th>Default:</th><td>null</td></tr>
+<tr><th>Valid Values:</th><td>non-empty string</td></tr>
+<tr><th>Importance:</th><td>low</td></tr>
+</tbody></table>
+</li>
+</ul>
+
diff --git a/27/generated/producer_metrics.html b/27/generated/producer_metrics.html
new file mode 100644
index 0000000..a02defa
--- /dev/null
+++ b/27/generated/producer_metrics.html
@@ -0,0 +1,78 @@
+<table class="data-table"><tbody>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.producer:type=producer-metrics,client-id="{client-id}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>batch-size-avg</td><td>The average number of bytes sent per partition per-request.</td></tr>
+<tr>
+<td></td><td>batch-size-max</td><td>The max number of bytes sent per partition per-request.</td></tr>
+<tr>
+<td></td><td>batch-split-rate</td><td>The average number of batch splits per second</td></tr>
+<tr>
+<td></td><td>batch-split-total</td><td>The total number of batch splits</td></tr>
+<tr>
+<td></td><td>compression-rate-avg</td><td>The average compression rate of record batches, defined as the average ratio of the compressed batch size over the uncompressed size.</td></tr>
+<tr>
+<td></td><td>metadata-age</td><td>The age in seconds of the current producer metadata being used.</td></tr>
+<tr>
+<td></td><td>produce-throttle-time-avg</td><td>The average time in ms a request was throttled by a broker</td></tr>
+<tr>
+<td></td><td>produce-throttle-time-max</td><td>The maximum time in ms a request was throttled by a broker</td></tr>
+<tr>
+<td></td><td>record-error-rate</td><td>The average per-second number of record sends that resulted in errors</td></tr>
+<tr>
+<td></td><td>record-error-total</td><td>The total number of record sends that resulted in errors</td></tr>
+<tr>
+<td></td><td>record-queue-time-avg</td><td>The average time in ms record batches spent in the send buffer.</td></tr>
+<tr>
+<td></td><td>record-queue-time-max</td><td>The maximum time in ms record batches spent in the send buffer.</td></tr>
+<tr>
+<td></td><td>record-retry-rate</td><td>The average per-second number of retried record sends</td></tr>
+<tr>
+<td></td><td>record-retry-total</td><td>The total number of retried record sends</td></tr>
+<tr>
+<td></td><td>record-send-rate</td><td>The average number of records sent per second.</td></tr>
+<tr>
+<td></td><td>record-send-total</td><td>The total number of records sent.</td></tr>
+<tr>
+<td></td><td>record-size-avg</td><td>The average record size</td></tr>
+<tr>
+<td></td><td>record-size-max</td><td>The maximum record size</td></tr>
+<tr>
+<td></td><td>records-per-request-avg</td><td>The average number of records per request.</td></tr>
+<tr>
+<td></td><td>request-latency-avg</td><td>The average request latency in ms</td></tr>
+<tr>
+<td></td><td>request-latency-max</td><td>The maximum request latency in ms</td></tr>
+<tr>
+<td></td><td>requests-in-flight</td><td>The current number of in-flight requests awaiting a response.</td></tr>
+<tr>
+<td colspan=3 class="mbeanName" style="background-color:#ccc; font-weight: bold;">kafka.producer:type=producer-topic-metrics,client-id="{client-id}",topic="{topic}"</td></tr>
+<tr>
+<th style="width: 90px"></th>
+<th>Attribute name</th>
+<th>Description</th>
+</tr>
+<tr>
+<td></td><td>byte-rate</td><td>The average number of bytes sent per second for a topic.</td></tr>
+<tr>
+<td></td><td>byte-total</td><td>The total number of bytes sent for a topic.</td></tr>
+<tr>
+<td></td><td>compression-rate</td><td>The average compression rate of record batches for a topic, defined as the average ratio of the compressed batch size over the uncompressed size.</td></tr>
+<tr>
+<td></td><td>record-error-rate</td><td>The average per-second number of record sends that resulted in errors for a topic</td></tr>
+<tr>
+<td></td><td>record-error-total</td><td>The total number of record sends that resulted in errors for a topic</td></tr>
+<tr>
+<td></td><td>record-retry-rate</td><td>The average per-second number of retried record sends for a topic</td></tr>
+<tr>
+<td></td><td>record-retry-total</td><td>The total number of retried record sends for a topic</td></tr>
+<tr>
+<td></td><td>record-send-rate</td><td>The average number of records sent per second for a topic.</td></tr>
+<tr>
+<td></td><td>record-send-total</td><td>The total number of records sent for a topic.</td></tr>
+</tbody></table>
diff --git a/27/generated/protocol_api_keys.html b/27/generated/protocol_api_keys.html
new file mode 100644
index 0000000..633f9eb
--- /dev/null
+++ b/27/generated/protocol_api_keys.html
@@ -0,0 +1,113 @@
+<table class="data-table"><tbody>
+<tr><th>Name</th>
+<th>Key</th>
+</tr><tr>
+<td><a href="#The_Messages_Produce">Produce</a></td><td>0</td></tr>
+<tr>
+<td><a href="#The_Messages_Fetch">Fetch</a></td><td>1</td></tr>
+<tr>
+<td><a href="#The_Messages_ListOffsets">ListOffsets</a></td><td>2</td></tr>
+<tr>
+<td><a href="#The_Messages_Metadata">Metadata</a></td><td>3</td></tr>
+<tr>
+<td><a href="#The_Messages_LeaderAndIsr">LeaderAndIsr</a></td><td>4</td></tr>
+<tr>
+<td><a href="#The_Messages_StopReplica">StopReplica</a></td><td>5</td></tr>
+<tr>
+<td><a href="#The_Messages_UpdateMetadata">UpdateMetadata</a></td><td>6</td></tr>
+<tr>
+<td><a href="#The_Messages_ControlledShutdown">ControlledShutdown</a></td><td>7</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetCommit">OffsetCommit</a></td><td>8</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetFetch">OffsetFetch</a></td><td>9</td></tr>
+<tr>
+<td><a href="#The_Messages_FindCoordinator">FindCoordinator</a></td><td>10</td></tr>
+<tr>
+<td><a href="#The_Messages_JoinGroup">JoinGroup</a></td><td>11</td></tr>
+<tr>
+<td><a href="#The_Messages_Heartbeat">Heartbeat</a></td><td>12</td></tr>
+<tr>
+<td><a href="#The_Messages_LeaveGroup">LeaveGroup</a></td><td>13</td></tr>
+<tr>
+<td><a href="#The_Messages_SyncGroup">SyncGroup</a></td><td>14</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeGroups">DescribeGroups</a></td><td>15</td></tr>
+<tr>
+<td><a href="#The_Messages_ListGroups">ListGroups</a></td><td>16</td></tr>
+<tr>
+<td><a href="#The_Messages_SaslHandshake">SaslHandshake</a></td><td>17</td></tr>
+<tr>
+<td><a href="#The_Messages_ApiVersions">ApiVersions</a></td><td>18</td></tr>
+<tr>
+<td><a href="#The_Messages_CreateTopics">CreateTopics</a></td><td>19</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteTopics">DeleteTopics</a></td><td>20</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteRecords">DeleteRecords</a></td><td>21</td></tr>
+<tr>
+<td><a href="#The_Messages_InitProducerId">InitProducerId</a></td><td>22</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetForLeaderEpoch">OffsetForLeaderEpoch</a></td><td>23</td></tr>
+<tr>
+<td><a href="#The_Messages_AddPartitionsToTxn">AddPartitionsToTxn</a></td><td>24</td></tr>
+<tr>
+<td><a href="#The_Messages_AddOffsetsToTxn">AddOffsetsToTxn</a></td><td>25</td></tr>
+<tr>
+<td><a href="#The_Messages_EndTxn">EndTxn</a></td><td>26</td></tr>
+<tr>
+<td><a href="#The_Messages_WriteTxnMarkers">WriteTxnMarkers</a></td><td>27</td></tr>
+<tr>
+<td><a href="#The_Messages_TxnOffsetCommit">TxnOffsetCommit</a></td><td>28</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeAcls">DescribeAcls</a></td><td>29</td></tr>
+<tr>
+<td><a href="#The_Messages_CreateAcls">CreateAcls</a></td><td>30</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteAcls">DeleteAcls</a></td><td>31</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeConfigs">DescribeConfigs</a></td><td>32</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterConfigs">AlterConfigs</a></td><td>33</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterReplicaLogDirs">AlterReplicaLogDirs</a></td><td>34</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeLogDirs">DescribeLogDirs</a></td><td>35</td></tr>
+<tr>
+<td><a href="#The_Messages_SaslAuthenticate">SaslAuthenticate</a></td><td>36</td></tr>
+<tr>
+<td><a href="#The_Messages_CreatePartitions">CreatePartitions</a></td><td>37</td></tr>
+<tr>
+<td><a href="#The_Messages_CreateDelegationToken">CreateDelegationToken</a></td><td>38</td></tr>
+<tr>
+<td><a href="#The_Messages_RenewDelegationToken">RenewDelegationToken</a></td><td>39</td></tr>
+<tr>
+<td><a href="#The_Messages_ExpireDelegationToken">ExpireDelegationToken</a></td><td>40</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeDelegationToken">DescribeDelegationToken</a></td><td>41</td></tr>
+<tr>
+<td><a href="#The_Messages_DeleteGroups">DeleteGroups</a></td><td>42</td></tr>
+<tr>
+<td><a href="#The_Messages_ElectLeaders">ElectLeaders</a></td><td>43</td></tr>
+<tr>
+<td><a href="#The_Messages_IncrementalAlterConfigs">IncrementalAlterConfigs</a></td><td>44</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterPartitionReassignments">AlterPartitionReassignments</a></td><td>45</td></tr>
+<tr>
+<td><a href="#The_Messages_ListPartitionReassignments">ListPartitionReassignments</a></td><td>46</td></tr>
+<tr>
+<td><a href="#The_Messages_OffsetDelete">OffsetDelete</a></td><td>47</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeClientQuotas">DescribeClientQuotas</a></td><td>48</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterClientQuotas">AlterClientQuotas</a></td><td>49</td></tr>
+<tr>
+<td><a href="#The_Messages_DescribeUserScramCredentials">DescribeUserScramCredentials</a></td><td>50</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterUserScramCredentials">AlterUserScramCredentials</a></td><td>51</td></tr>
+<tr>
+<td><a href="#The_Messages_AlterIsr">AlterIsr</a></td><td>56</td></tr>
+<tr>
+<td><a href="#The_Messages_UpdateFeatures">UpdateFeatures</a></td><td>57</td></tr>
+</table>
+
diff --git a/27/generated/protocol_errors.html b/27/generated/protocol_errors.html
new file mode 100644
index 0000000..ccd46d4
--- /dev/null
+++ b/27/generated/protocol_errors.html
@@ -0,0 +1,106 @@
+<table class="data-table"><tbody>
+<tr><th>Error</th>
+<th>Code</th>
+<th>Retriable</th>
+<th>Description</th>
+</tr>
+<tr><td>UNKNOWN_SERVER_ERROR</td><td>-1</td><td>False</td><td>The server experienced an unexpected error when processing the request.</td></tr>
+<tr><td>NONE</td><td>0</td><td>False</td><td></td></tr>
+<tr><td>OFFSET_OUT_OF_RANGE</td><td>1</td><td>False</td><td>The requested offset is not within the range of offsets maintained by the server.</td></tr>
+<tr><td>CORRUPT_MESSAGE</td><td>2</td><td>True</td><td>This message has failed its CRC checksum, exceeds the valid size, has a null key for a compacted topic, or is otherwise corrupt.</td></tr>
+<tr><td>UNKNOWN_TOPIC_OR_PARTITION</td><td>3</td><td>True</td><td>This server does not host this topic-partition.</td></tr>
+<tr><td>INVALID_FETCH_SIZE</td><td>4</td><td>False</td><td>The requested fetch size is invalid.</td></tr>
+<tr><td>LEADER_NOT_AVAILABLE</td><td>5</td><td>True</td><td>There is no leader for this topic-partition as we are in the middle of a leadership election.</td></tr>
+<tr><td>NOT_LEADER_OR_FOLLOWER</td><td>6</td><td>True</td><td>For requests intended only for the leader, this error indicates that the broker is not the current leader. For requests intended for any replica, this error indicates that the broker is not a replica of the topic partition.</td></tr>
+<tr><td>REQUEST_TIMED_OUT</td><td>7</td><td>True</td><td>The request timed out.</td></tr>
+<tr><td>BROKER_NOT_AVAILABLE</td><td>8</td><td>False</td><td>The broker is not available.</td></tr>
+<tr><td>REPLICA_NOT_AVAILABLE</td><td>9</td><td>True</td><td>The replica is not available for the requested topic-partition. Produce/Fetch requests and other requests intended only for the leader or follower return NOT_LEADER_OR_FOLLOWER if the broker is not a replica of the topic-partition.</td></tr>
+<tr><td>MESSAGE_TOO_LARGE</td><td>10</td><td>False</td><td>The request included a message larger than the max message size the server will accept.</td></tr>
+<tr><td>STALE_CONTROLLER_EPOCH</td><td>11</td><td>False</td><td>The controller moved to another broker.</td></tr>
+<tr><td>OFFSET_METADATA_TOO_LARGE</td><td>12</td><td>False</td><td>The metadata field of the offset request was too large.</td></tr>
+<tr><td>NETWORK_EXCEPTION</td><td>13</td><td>True</td><td>The server disconnected before a response was received.</td></tr>
+<tr><td>COORDINATOR_LOAD_IN_PROGRESS</td><td>14</td><td>True</td><td>The coordinator is loading and hence can't process requests.</td></tr>
+<tr><td>COORDINATOR_NOT_AVAILABLE</td><td>15</td><td>True</td><td>The coordinator is not available.</td></tr>
+<tr><td>NOT_COORDINATOR</td><td>16</td><td>True</td><td>This is not the correct coordinator.</td></tr>
+<tr><td>INVALID_TOPIC_EXCEPTION</td><td>17</td><td>False</td><td>The request attempted to perform an operation on an invalid topic.</td></tr>
+<tr><td>RECORD_LIST_TOO_LARGE</td><td>18</td><td>False</td><td>The request included message batch larger than the configured segment size on the server.</td></tr>
+<tr><td>NOT_ENOUGH_REPLICAS</td><td>19</td><td>True</td><td>Messages are rejected since there are fewer in-sync replicas than required.</td></tr>
+<tr><td>NOT_ENOUGH_REPLICAS_AFTER_APPEND</td><td>20</td><td>True</td><td>Messages are written to the log, but to fewer in-sync replicas than required.</td></tr>
+<tr><td>INVALID_REQUIRED_ACKS</td><td>21</td><td>False</td><td>Produce request specified an invalid value for required acks.</td></tr>
+<tr><td>ILLEGAL_GENERATION</td><td>22</td><td>False</td><td>Specified group generation id is not valid.</td></tr>
+<tr><td>INCONSISTENT_GROUP_PROTOCOL</td><td>23</td><td>False</td><td>The group member's supported protocols are incompatible with those of existing members or first group member tried to join with empty protocol type or empty protocol list.</td></tr>
+<tr><td>INVALID_GROUP_ID</td><td>24</td><td>False</td><td>The configured groupId is invalid.</td></tr>
+<tr><td>UNKNOWN_MEMBER_ID</td><td>25</td><td>False</td><td>The coordinator is not aware of this member.</td></tr>
+<tr><td>INVALID_SESSION_TIMEOUT</td><td>26</td><td>False</td><td>The session timeout is not within the range allowed by the broker (as configured by group.min.session.timeout.ms and group.max.session.timeout.ms).</td></tr>
+<tr><td>REBALANCE_IN_PROGRESS</td><td>27</td><td>False</td><td>The group is rebalancing, so a rejoin is needed.</td></tr>
+<tr><td>INVALID_COMMIT_OFFSET_SIZE</td><td>28</td><td>False</td><td>The committing offset data size is not valid.</td></tr>
+<tr><td>TOPIC_AUTHORIZATION_FAILED</td><td>29</td><td>False</td><td>Topic authorization failed.</td></tr>
+<tr><td>GROUP_AUTHORIZATION_FAILED</td><td>30</td><td>False</td><td>Group authorization failed.</td></tr>
+<tr><td>CLUSTER_AUTHORIZATION_FAILED</td><td>31</td><td>False</td><td>Cluster authorization failed.</td></tr>
+<tr><td>INVALID_TIMESTAMP</td><td>32</td><td>False</td><td>The timestamp of the message is out of acceptable range.</td></tr>
+<tr><td>UNSUPPORTED_SASL_MECHANISM</td><td>33</td><td>False</td><td>The broker does not support the requested SASL mechanism.</td></tr>
+<tr><td>ILLEGAL_SASL_STATE</td><td>34</td><td>False</td><td>Request is not valid given the current SASL state.</td></tr>
+<tr><td>UNSUPPORTED_VERSION</td><td>35</td><td>False</td><td>The version of API is not supported.</td></tr>
+<tr><td>TOPIC_ALREADY_EXISTS</td><td>36</td><td>False</td><td>Topic with this name already exists.</td></tr>
+<tr><td>INVALID_PARTITIONS</td><td>37</td><td>False</td><td>Number of partitions is below 1.</td></tr>
+<tr><td>INVALID_REPLICATION_FACTOR</td><td>38</td><td>False</td><td>Replication factor is below 1 or larger than the number of available brokers.</td></tr>
+<tr><td>INVALID_REPLICA_ASSIGNMENT</td><td>39</td><td>False</td><td>Replica assignment is invalid.</td></tr>
+<tr><td>INVALID_CONFIG</td><td>40</td><td>False</td><td>Configuration is invalid.</td></tr>
+<tr><td>NOT_CONTROLLER</td><td>41</td><td>True</td><td>This is not the correct controller for this cluster.</td></tr>
+<tr><td>INVALID_REQUEST</td><td>42</td><td>False</td><td>This most likely occurs because of a request being malformed by the client library or the message was sent to an incompatible broker. See the broker logs for more details.</td></tr>
+<tr><td>UNSUPPORTED_FOR_MESSAGE_FORMAT</td><td>43</td><td>False</td><td>The message format version on the broker does not support the request.</td></tr>
+<tr><td>POLICY_VIOLATION</td><td>44</td><td>False</td><td>Request parameters do not satisfy the configured policy.</td></tr>
+<tr><td>OUT_OF_ORDER_SEQUENCE_NUMBER</td><td>45</td><td>False</td><td>The broker received an out of order sequence number.</td></tr>
+<tr><td>DUPLICATE_SEQUENCE_NUMBER</td><td>46</td><td>False</td><td>The broker received a duplicate sequence number.</td></tr>
+<tr><td>INVALID_PRODUCER_EPOCH</td><td>47</td><td>True</td><td>Producer attempted to produce with an old epoch.</td></tr>
+<tr><td>INVALID_TXN_STATE</td><td>48</td><td>False</td><td>The producer attempted a transactional operation in an invalid state.</td></tr>
+<tr><td>INVALID_PRODUCER_ID_MAPPING</td><td>49</td><td>False</td><td>The producer attempted to use a producer id which is not currently assigned to its transactional id.</td></tr>
+<tr><td>INVALID_TRANSACTION_TIMEOUT</td><td>50</td><td>False</td><td>The transaction timeout is larger than the maximum value allowed by the broker (as configured by transaction.max.timeout.ms).</td></tr>
+<tr><td>CONCURRENT_TRANSACTIONS</td><td>51</td><td>False</td><td>The producer attempted to update a transaction while another concurrent operation on the same transaction was ongoing.</td></tr>
+<tr><td>TRANSACTION_COORDINATOR_FENCED</td><td>52</td><td>False</td><td>Indicates that the transaction coordinator sending a WriteTxnMarker is no longer the current coordinator for a given producer.</td></tr>
+<tr><td>TRANSACTIONAL_ID_AUTHORIZATION_FAILED</td><td>53</td><td>False</td><td>Transactional Id authorization failed.</td></tr>
+<tr><td>SECURITY_DISABLED</td><td>54</td><td>False</td><td>Security features are disabled.</td></tr>
+<tr><td>OPERATION_NOT_ATTEMPTED</td><td>55</td><td>False</td><td>The broker did not attempt to execute this operation. This may happen for batched RPCs where some operations in the batch failed, causing the broker to respond without trying the rest.</td></tr>
+<tr><td>KAFKA_STORAGE_ERROR</td><td>56</td><td>True</td><td>Disk error when trying to access log file on the disk.</td></tr>
+<tr><td>LOG_DIR_NOT_FOUND</td><td>57</td><td>False</td><td>The user-specified log directory is not found in the broker config.</td></tr>
+<tr><td>SASL_AUTHENTICATION_FAILED</td><td>58</td><td>False</td><td>SASL Authentication failed.</td></tr>
+<tr><td>UNKNOWN_PRODUCER_ID</td><td>59</td><td>False</td><td>This exception is raised by the broker if it could not locate the producer metadata associated with the producerId in question. This could happen if, for instance, the producer's records were deleted because their retention time had elapsed. Once the last records of the producerId are removed, the producer's metadata is removed from the broker, and future appends by the producer will return this exception.</td></tr>
+<tr><td>REASSIGNMENT_IN_PROGRESS</td><td>60</td><td>False</td><td>A partition reassignment is in progress.</td></tr>
+<tr><td>DELEGATION_TOKEN_AUTH_DISABLED</td><td>61</td><td>False</td><td>Delegation Token feature is not enabled.</td></tr>
+<tr><td>DELEGATION_TOKEN_NOT_FOUND</td><td>62</td><td>False</td><td>Delegation Token is not found on server.</td></tr>
+<tr><td>DELEGATION_TOKEN_OWNER_MISMATCH</td><td>63</td><td>False</td><td>Specified Principal is not valid Owner/Renewer.</td></tr>
+<tr><td>DELEGATION_TOKEN_REQUEST_NOT_ALLOWED</td><td>64</td><td>False</td><td>Delegation Token requests are not allowed on PLAINTEXT/1-way SSL channels and on delegation token authenticated channels.</td></tr>
+<tr><td>DELEGATION_TOKEN_AUTHORIZATION_FAILED</td><td>65</td><td>False</td><td>Delegation Token authorization failed.</td></tr>
+<tr><td>DELEGATION_TOKEN_EXPIRED</td><td>66</td><td>False</td><td>Delegation Token is expired.</td></tr>
+<tr><td>INVALID_PRINCIPAL_TYPE</td><td>67</td><td>False</td><td>Supplied principalType is not supported.</td></tr>
+<tr><td>NON_EMPTY_GROUP</td><td>68</td><td>False</td><td>The group is not empty.</td></tr>
+<tr><td>GROUP_ID_NOT_FOUND</td><td>69</td><td>False</td><td>The group id does not exist.</td></tr>
+<tr><td>FETCH_SESSION_ID_NOT_FOUND</td><td>70</td><td>True</td><td>The fetch session ID was not found.</td></tr>
+<tr><td>INVALID_FETCH_SESSION_EPOCH</td><td>71</td><td>True</td><td>The fetch session epoch is invalid.</td></tr>
+<tr><td>LISTENER_NOT_FOUND</td><td>72</td><td>True</td><td>There is no listener on the leader broker that matches the listener on which metadata request was processed.</td></tr>
+<tr><td>TOPIC_DELETION_DISABLED</td><td>73</td><td>False</td><td>Topic deletion is disabled.</td></tr>
+<tr><td>FENCED_LEADER_EPOCH</td><td>74</td><td>True</td><td>The leader epoch in the request is older than the epoch on the broker.</td></tr>
+<tr><td>UNKNOWN_LEADER_EPOCH</td><td>75</td><td>True</td><td>The leader epoch in the request is newer than the epoch on the broker.</td></tr>
+<tr><td>UNSUPPORTED_COMPRESSION_TYPE</td><td>76</td><td>False</td><td>The requesting client does not support the compression type of given partition.</td></tr>
+<tr><td>STALE_BROKER_EPOCH</td><td>77</td><td>False</td><td>Broker epoch has changed.</td></tr>
+<tr><td>OFFSET_NOT_AVAILABLE</td><td>78</td><td>True</td><td>The leader high watermark has not caught up from a recent leader election so the offsets cannot be guaranteed to be monotonically increasing.</td></tr>
+<tr><td>MEMBER_ID_REQUIRED</td><td>79</td><td>False</td><td>The group member needs to have a valid member id before actually entering a consumer group.</td></tr>
+<tr><td>PREFERRED_LEADER_NOT_AVAILABLE</td><td>80</td><td>True</td><td>The preferred leader was not available.</td></tr>
+<tr><td>GROUP_MAX_SIZE_REACHED</td><td>81</td><td>False</td><td>The consumer group has reached its max size.</td></tr>
+<tr><td>FENCED_INSTANCE_ID</td><td>82</td><td>False</td><td>The broker rejected this static consumer since another consumer with the same group.instance.id has registered with a different member.id.</td></tr>
+<tr><td>ELIGIBLE_LEADERS_NOT_AVAILABLE</td><td>83</td><td>True</td><td>Eligible topic partition leaders are not available.</td></tr>
+<tr><td>ELECTION_NOT_NEEDED</td><td>84</td><td>True</td><td>Leader election not needed for topic partition.</td></tr>
+<tr><td>NO_REASSIGNMENT_IN_PROGRESS</td><td>85</td><td>False</td><td>No partition reassignment is in progress.</td></tr>
+<tr><td>GROUP_SUBSCRIBED_TO_TOPIC</td><td>86</td><td>False</td><td>Deleting offsets of a topic is forbidden while the consumer group is actively subscribed to it.</td></tr>
+<tr><td>INVALID_RECORD</td><td>87</td><td>False</td><td>This record has failed the validation on broker and hence will be rejected.</td></tr>
+<tr><td>UNSTABLE_OFFSET_COMMIT</td><td>88</td><td>True</td><td>There are unstable offsets that need to be cleared.</td></tr>
+<tr><td>THROTTLING_QUOTA_EXCEEDED</td><td>89</td><td>True</td><td>The throttling quota has been exceeded.</td></tr>
+<tr><td>PRODUCER_FENCED</td><td>90</td><td>False</td><td>There is a newer producer with the same transactionalId which fences the current one.</td></tr>
+<tr><td>RESOURCE_NOT_FOUND</td><td>91</td><td>False</td><td>A request illegally referred to a resource that does not exist.</td></tr>
+<tr><td>DUPLICATE_RESOURCE</td><td>92</td><td>False</td><td>A request illegally referred to the same resource twice.</td></tr>
+<tr><td>UNACCEPTABLE_CREDENTIAL</td><td>93</td><td>False</td><td>Requested credential would not meet criteria for acceptability.</td></tr>
+<tr><td>INCONSISTENT_VOTER_SET</td><td>94</td><td>False</td><td>Indicates that the either the sender or recipient of a voter-only request is not one of the expected voters</td></tr>
+<tr><td>INVALID_UPDATE_VERSION</td><td>95</td><td>False</td><td>The given update version was invalid.</td></tr>
+<tr><td>FEATURE_UPDATE_FAILED</td><td>96</td><td>False</td><td>Unable to update finalized features due to an unexpected server error.</td></tr>
+</table>
+
diff --git a/27/generated/protocol_messages.html b/27/generated/protocol_messages.html
new file mode 100644
index 0000000..f0839d7
--- /dev/null
+++ b/27/generated/protocol_messages.html
@@ -0,0 +1,12167 @@
+<h5>Headers:</h5>
+<pre>Request Header v0 => request_api_key request_api_version correlation_id
+ request_api_key => INT16
+ request_api_version => INT16
+ correlation_id => INT32
+</pre>
+<table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>request_api_key</td><td>The API key of this request.</td></tr>
+<tr>
+<td>request_api_version</td><td>The API version of this request.</td></tr>
+<tr>
+<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
+</table>
+<pre>Request Header v1 => request_api_key request_api_version correlation_id client_id
+ request_api_key => INT16
+ request_api_version => INT16
+ correlation_id => INT32
+ client_id => NULLABLE_STRING
+</pre>
+<table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>request_api_key</td><td>The API key of this request.</td></tr>
+<tr>
+<td>request_api_version</td><td>The API version of this request.</td></tr>
+<tr>
+<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
+<tr>
+<td>client_id</td><td>The client ID string.</td></tr>
+</table>
+<pre>Request Header v2 => request_api_key request_api_version correlation_id client_id TAG_BUFFER
+ request_api_key => INT16
+ request_api_version => INT16
+ correlation_id => INT32
+ client_id => NULLABLE_STRING
+</pre>
+<table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>request_api_key</td><td>The API key of this request.</td></tr>
+<tr>
+<td>request_api_version</td><td>The API version of this request.</td></tr>
+<tr>
+<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
+<tr>
+<td>client_id</td><td>The client ID string.</td></tr>
+<tr>
+<td>_tagged_fields</td><td>The tagged fields</td></tr>
+</table>
+<pre>Response Header v0 => correlation_id
+ correlation_id => INT32
+</pre>
+<table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>correlation_id</td><td>The correlation ID of this response.</td></tr>
+</table>
+<pre>Response Header v1 => correlation_id TAG_BUFFER
+ correlation_id => INT32
+</pre>
+<table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>correlation_id</td><td>The correlation ID of this response.</td></tr>
+<tr>
+<td>_tagged_fields</td><td>The tagged fields</td></tr>
+</table>
+<h5><a name="The_Messages_Produce">Produce API (Key: 0):</a></h5>
+
+<b>Requests:</b><br>
+<p><pre>Produce Request (Version: 0) => acks timeout [topic_data]
+ acks => INT16
+ timeout => INT32
+ topic_data => topic [data]
+ topic => STRING
+ data => partition record_set
+ partition => INT32
+ record_set => RECORDS
+</pre><table class="data-table"><tbody>
+<tr><th>Field</th>
+<th>Description</th>
+</tr><tr>
+<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
+<tr>
+<td>timeout</td><td>The time to await a response in ms.</td></tr>
+<tr>
+<td>topic_data</td><td>null</td></tr>
+<tr>
... 368895 lines suppressed ...