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Posted to jira@kafka.apache.org by "Jason Gustafson (Jira)" <ji...@apache.org> on 2020/06/05 00:32:00 UTC

[jira] [Resolved] (KAFKA-10040) Make computing the PreferredReplicaImbalanceCount metric more efficient

     [ https://issues.apache.org/jira/browse/KAFKA-10040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-10040.
-------------------------------------
    Fix Version/s: 2.7.0
       Resolution: Fixed

> Make computing the PreferredReplicaImbalanceCount metric more efficient
> -----------------------------------------------------------------------
>
>                 Key: KAFKA-10040
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10040
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: David Jacot
>            Assignee: David Jacot
>            Priority: Major
>             Fix For: 2.7.0
>
>
> At the moment, computing the PreferredReplicaImbalanceCount metric traverses all the partitions in the cluster to find out the imbalance ones. This is extremely costly in cluster with large number of partitions and this is done after the processing of each event in the controller.



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