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https://issues.apache.org/jira/browse/KAFKA-265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209992#comment-13209992
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Jun Rao commented on KAFKA-265:
-------------------------------
Committed the fix for both Condition and shutdown to trunk.
> Add a queue of zookeeper notifications in the zookeeper consumer to reduce
> the number of rebalancing attempts
> -------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-265
> URL: https://issues.apache.org/jira/browse/KAFKA-265
> Project: Kafka
> Issue Type: Sub-task
> Components: core
> Affects Versions: 0.7
> Reporter: Neha Narkhede
> Assignee: Jun Rao
> Fix For: 0.7.1
>
> Attachments: kafka-265.patch, kafka-265_await_fix.patch,
> kafka-265_shutdown.patch, kafka-265_v2.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> The correct fix for KAFKA-262 and other known issues with the current
> consumer rebalancing approach, is to get rid of the cache in the zookeeper
> consumer.
> The side-effect of that fix, though, is the large number of zookeeper
> notifications that will trigger a full rebalance operation on the consumer.
> Ideally, the zookeeper notifications can be batched and only one rebalance
> operation can be triggered for several such ZK notifications.
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