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https://issues.apache.org/jira/browse/KAFKA-2406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14658531#comment-14658531
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Jiangjie Qin commented on KAFKA-2406:
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Hi [~junrao], I'm doing the test right now. This patch only takes care of the
second part of ISR propagation, which is controller to broker propagation. I
hope this would solve our current problem. However, I am still not sure if
creating a zookeeper path for each ISR change is a good way for the broker to
report ISR change. Creating tens of thousands of ZKpath during cluster startup
might cause issue.
> ISR propagation should be throttled to avoid overwhelming controller.
> ---------------------------------------------------------------------
>
> Key: KAFKA-2406
> URL: https://issues.apache.org/jira/browse/KAFKA-2406
> Project: Kafka
> Issue Type: Bug
> Reporter: Jiangjie Qin
> Assignee: Jiangjie Qin
> Priority: Blocker
>
> This is a follow up patch for KAFKA-1367.
> We need to throttle the ISR propagation rate to avoid flooding in controller
> to broker traffic. This might significantly increase time of controlled
> shutdown or cluster startup.
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