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https://issues.apache.org/jira/browse/KAFKA-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13276885#comment-13276885
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Jay Kreps commented on KAFKA-336:
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Never mind the KafkaConnection comment we already have a BlockingChannel which
is essentially the same thing.
> add an admin RPC to communicate state changes between the controller and the
> broker
> -----------------------------------------------------------------------------------
>
> Key: KAFKA-336
> URL: https://issues.apache.org/jira/browse/KAFKA-336
> Project: Kafka
> Issue Type: Sub-task
> Components: core
> Affects Versions: 0.8
> Reporter: Jun Rao
> Assignee: Yang Ye
> Fix For: 0.8
>
> Attachments: controller_broker_RPC.patch
>
> Original Estimate: 252h
> Remaining Estimate: 252h
>
> Based on the discussion in
> https://cwiki.apache.org/confluence/display/KAFKA/kafka+Detailed+Replication+Design+V3
> , it's more efficient to communicate state change commands between the
> controller and the broker using a direct RPC than via ZK. This ticket will be
> implementing an admin RPC client for the controller to send state change
> commands.
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