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Posted to jira@kafka.apache.org by "David Jacot (Jira)" <ji...@apache.org> on 2020/05/25 15:11:00 UTC

[jira] [Updated] (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 ]

David Jacot updated KAFKA-10040:
--------------------------------
    Summary: Make computing the PreferredReplicaImbalanceCount metric more efficient  (was: Make PreferredReplicaImbalanceCount more efficient)

> 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
>
> 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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