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https://issues.apache.org/jira/browse/KAFKA-1669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486223#comment-14486223
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Clark Haskins commented on KAFKA-1669:
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[~junrao] We are seeing that we have to change the configs across many
applications(not just MirrorMaker). Any consumer that consumes topics with
large numbers of partitions(64+) have issues with rebalancing.
I am curious what the reason for not doing this is? Consumers with small
numbers of partitions rebalance quickly and easily and should never get into
the state where it needs to rebalance multiple times, thus this config should
rarely get exercised.
-Clark
> Default rebalance retries and backoff should be higher
> ------------------------------------------------------
>
> Key: KAFKA-1669
> URL: https://issues.apache.org/jira/browse/KAFKA-1669
> Project: Kafka
> Issue Type: Improvement
> Components: consumer
> Reporter: Clark Haskins
> Assignee: Mayuresh Gharat
> Labels: newbie
> Attachments: KAFKA-1669.patch
>
>
> The default rebalance logic does not work for consumers with large numbers of
> partitions and/or topics.
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