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Posted to jira@kafka.apache.org by "Jason Gustafson (Jira)" <ji...@apache.org> on 2021/02/03 22:41:00 UTC
[jira] [Assigned] (KAFKA-12258) Change the BatchAccumulator to
split records into batches
[ https://issues.apache.org/jira/browse/KAFKA-12258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Gustafson reassigned KAFKA-12258:
---------------------------------------
Assignee: Jose Armando Garcia Sancio
> Change the BatchAccumulator to split records into batches
> ---------------------------------------------------------
>
> Key: KAFKA-12258
> URL: https://issues.apache.org/jira/browse/KAFKA-12258
> Project: Kafka
> Issue Type: Sub-task
> Components: controller, core
> Affects Versions: 2.8.0
> Reporter: Alok Nikhil
> Assignee: Jose Armando Garcia Sancio
> Priority: Major
> Labels: kip-500
>
> Modify the `BatchAccumulator.append contract` to support splitting a batch of records whose size is greater than the maximum allowed size (of 1048576 currently) into batches to avoid RaftClient failures such as
> {code:java}
> leader=0, leaderEpoch=0, partitionEpoch=0) at version 0), ApiMessageAndVersion(TopicRecord(name='topic-BEHRW9999', topicId=6cRudOGO3yqlsu48RwyPSw) at version 0), ApiMessageAndVersion(PartitionRecord(partitionId=0, topicId=6cRudOGO3yqlsu48RwyPSw, replicas=[1, 2, 0], isr=[1, 2, 0], removingReplicas=null, addingReplicas=null, leader=1, leaderEpoch=0, partitionEpoch=0) at version 0)] is 1088890, which exceeds the maximum allowed batch size of 1048576 Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.raft.internals.BatchAccumulator.append(BatchAccumulator.java:110) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.raft.KafkaRaftClient.scheduleAppend(KafkaRaftClient.java:1885) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.raft.metadata.MetaLogRaftShim.scheduleWrite(MetaLogRaftShim.java:60) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.controller.QuorumController$ControllerWriteEvent.run(QuorumController.java:406) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.common.utils.KafkaEventQueue$EventContext.run(KafkaEventQueue.java:117) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.common.utils.KafkaEventQueue$EventHandler.handleEvents(KafkaEventQueue.java:192) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at org.apache.kafka.common.utils.KafkaEventQueue$EventHandler.run(KafkaEventQueue.java:165) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: at java.base/java.lang.Thread.run(Thread.java:834) Jan 30 00:13:40 ip-10-0-0-254 kafka-server-start.sh[633637]: [2021-01-30 00:13:40,277] INFO [Controller 3000] Reverting to snapshot 2232 (org.apache.kafka.timeline.SnapshotRegistry)
> {code}
> *Example use-case*: Creating 10,000 topics in a single API call
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