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https://issues.apache.org/jira/browse/KAFKA-575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486079#comment-13486079
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Jun Rao commented on KAFKA-575:
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Patch looks good. Just one comment:
1. ControllerBrokerRequestBatch.sendRequestsToBrokers(): Instead of including
all live brokers in the leaderAndIsr request, we probably can just include
brokers that are leaders in each LeaderAndIsr request.
> Partition.makeFollower() reads broker info from ZK
> --------------------------------------------------
>
> Key: KAFKA-575
> URL: https://issues.apache.org/jira/browse/KAFKA-575
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: Jun Rao
> Assignee: Swapnil Ghike
> Priority: Blocker
> Labels: bugs
> Attachments: kafka-575-v1.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> To follow a new leader, Partition.makeFollower() has to obtain the broker
> info of the new leader. Currently, it reads that info from ZK for every
> affected partition. This increases the time for a leader to truly available.
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