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Posted to jira@kafka.apache.org by "David Jacot (Jira)" <ji...@apache.org> on 2020/05/25 15:10:00 UTC

[jira] [Created] (KAFKA-10040) Make PreferredReplicaImbalanceCount more efficient

David Jacot created KAFKA-10040:
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             Summary: Make PreferredReplicaImbalanceCount 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


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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