[jira] [Commented] (KAFKA-8179) Incremental Rebalance Protocol for Kafka Consumer

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-8179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16946006#comment-16946006 ] 

ASF GitHub Bot commented on KAFKA-8179:
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guozhangwang commented on pull request #7386: KAFKA-8179: Part 7, cooperative rebalancing in Streams
URL: https://github.com/apache/kafka/pull/7386
 
 
   
 
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> Incremental Rebalance Protocol for Kafka Consumer
> -------------------------------------------------
>
>                 Key: KAFKA-8179
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8179
>             Project: Kafka
>          Issue Type: Improvement
>          Components: consumer
>            Reporter: Guozhang Wang
>            Assignee: Guozhang Wang
>            Priority: Major
>
> Recently Kafka community is promoting cooperative rebalancing to mitigate the pain points in the stop-the-world rebalancing protocol. This ticket is created to initiate that idea at the Kafka consumer client, which will be beneficial for heavy-stateful consumers such as Kafka Streams applications.
> In short, the scope of this ticket includes reducing unnecessary rebalance latency due to heavy partition migration: i.e. partitions being revoked and re-assigned. This would make the built-in consumer assignors (range, round-robin etc) to be aware of previously assigned partitions and be sticky in best-effort.



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