[jira] [Updated] (KAFKA-2411) remove usage of BlockingChannel in the broker

["Jun Rao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-2411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jun Rao updated KAFKA-2411:
---------------------------
    Priority: Blocker  (was: Major)

> 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
>            Priority: Blocker
>             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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