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https://issues.apache.org/jira/browse/YARN-1029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844110#comment-13844110
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Karthik Kambatla commented on YARN-1029:
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Manually testing the posted patch on a cluster showed that automatic failover
works. However, automatic failover fails to take over after an explicit manual
failover. To address this RMActiveStandbyElector should implement ZKFCProtocol
and RMHAServiceTarget#getZKFCProxy should return a proxy to this. Will address
this and other minor details in the next patch.
> Allow embedding leader election into the RM
> -------------------------------------------
>
> Key: YARN-1029
> URL: https://issues.apache.org/jira/browse/YARN-1029
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Karthik Kambatla
> Attachments: yarn-1029-approach.patch
>
>
> It should be possible to embed common ActiveStandyElector into the RM such
> that ZooKeeper based leader election and notification is in-built. In
> conjunction with a ZK state store, this configuration will be a simple
> deployment option.
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