[jira] [Updated] (KAFKA-9562) Streams not making progress under heavy failures with EOS enabled on 2.5 branch

["David Arthur (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Arthur updated KAFKA-9562:
--------------------------------
    Fix Version/s:     (was: 2.5.0)

> Streams not making progress under heavy failures with EOS enabled on 2.5 branch
> -------------------------------------------------------------------------------
>
>                 Key: KAFKA-9562
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9562
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 2.5.0
>            Reporter: John Roesler
>            Assignee: Boyang Chen
>            Priority: Blocker
>
> During soak testing in preparation for the 2.5.0 release, we have discovered a case in which Streams appears to stop making progress. Specifically, this is a failure-resilience test in which we inject network faults separating the instances from the brokers roughly every twenty minutes.
> On 2.4, Streams would obviously spend a lot of time rebalancing under this scenario, but would still make progress. However, on the current 2.5 branch, Streams effectively stops making progress except rarely.
> This appears to be a severe regression, so I'm filing this ticket as a 2.5.0 release blocker.



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