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https://issues.apache.org/jira/browse/KAFKA-2411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703184#comment-14703184
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Ismael Juma commented on KAFKA-2411:
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[~gwenshap], [~junrao] and [~harsha_ch], I filed a PR
(https://github.com/apache/kafka/pull/151) for this issue. It would be really
helpful to get some feedback. I added a number of questions to the PR itself.
> remove usage of BlockingChannel in the broker
> ---------------------------------------------
>
> Key: KAFKA-2411
> URL: https://issues.apache.org/jira/browse/KAFKA-2411
> Project: Kafka
> Issue Type: Sub-task
> Components: security
> Reporter: Jun Rao
> Assignee: Ismael Juma
> Fix For: 0.8.3
>
>
> In KAFKA-1690, we are adding the SSL support at Selector. However, there are
> still a few places where we use BlockingChannel for inter-broker
> communication. We need to replace those usage with Selector/NetworkClient to
> enable inter-broker communication over SSL. Specially, BlockingChannel is
> currently used in the following places.
> 1. ControllerChannelManager: for the controller to propagate metadata to the
> brokers.
> 2. KafkaServer: for the broker to send controlled shutdown request to the
> controller.
> 3. -AbstractFetcherThread: for the follower to fetch data from the leader
> (through SimpleConsumer)- moved to KAFKA-2440
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