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Posted to jira@kafka.apache.org by "Colin McCabe (Jira)" <ji...@apache.org> on 2023/11/13 20:56:00 UTC

[jira] [Assigned] (KAFKA-15532) ZkWriteBehindLag should not be reported by inactive controllers

     [ https://issues.apache.org/jira/browse/KAFKA-15532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin McCabe reassigned KAFKA-15532:
------------------------------------

    Assignee: David Arthur

> ZkWriteBehindLag should not be reported by inactive controllers
> ---------------------------------------------------------------
>
>                 Key: KAFKA-15532
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15532
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 3.6.0
>            Reporter: David Arthur
>            Assignee: David Arthur
>            Priority: Minor
>
> Since only the active controller is performing the dual-write to ZK during a migration, it should be the only controller to report the ZkWriteBehindLag metric. 
>  
> Currently, if the controller fails over during a migration, the previous active controller will incorrectly report its last value for ZkWriteBehindLag forever. Instead, it should report zero.



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