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Posted to jira@kafka.apache.org by "Badai Aqrandista (Jira)" <ji...@apache.org> on 2020/09/28 06:32:00 UTC

[jira] [Created] (KAFKA-10529) Controller should throttle partition reassignment

Badai Aqrandista created KAFKA-10529:
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             Summary: Controller should throttle partition reassignment 
                 Key: KAFKA-10529
                 URL: https://issues.apache.org/jira/browse/KAFKA-10529
             Project: Kafka
          Issue Type: Improvement
            Reporter: Badai Aqrandista


With [KIP-455|[https://cwiki.apache.org/confluence/display/KAFKA/KIP-455%3A+Create+an+Administrative+API+for+Replica+Reassignment]], reassignment can be triggered via AdminClient API. However, when reassigning a large number of topic partitions at once, this can cause a storm of LeaderAndIsr and UpdateMetadata requests, which can occupy Controller thread for some time. And this prevents Controller from processing other requests. 

So, Controller should throttle sending LeaderAndIsr request when actioning a reassignment request.



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