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https://issues.apache.org/jira/browse/YARN-1641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated YARN-1641:
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Attachment: yarn-1641-2.patch
Added thread name.
> ZK store should attempt a write periodically to ensure it is still Active
> -------------------------------------------------------------------------
>
> Key: YARN-1641
> URL: https://issues.apache.org/jira/browse/YARN-1641
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: yarn-1641-1.patch, yarn-1641-2.patch
>
>
> Fencing in ZK store kicks in when the RM tries to write something to the
> store. If the RM doesn't write anything to the store, it doesn't get fenced
> and can continue to assume being the Active.
> By periodically writing a file (say, every RM_ZK_TIMEOUT_MS seconds), we can
> ensure it gets fenced.
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