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https://issues.apache.org/jira/browse/YARN-674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846105#comment-13846105
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Bikas Saha commented on YARN-674:
---------------------------------
the only nit I have is that sending the recover/start event to the app is now
obscured inside the delegation token renewer.
> Slow or failing DelegationToken renewals on submission itself make RM
> unavailable
> ---------------------------------------------------------------------------------
>
> Key: YARN-674
> URL: https://issues.apache.org/jira/browse/YARN-674
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Omkar Vinit Joshi
> Fix For: 2.4.0
>
> Attachments: YARN-674.1.patch, YARN-674.10.patch, YARN-674.2.patch,
> YARN-674.3.patch, YARN-674.4.patch, YARN-674.5.patch, YARN-674.5.patch,
> YARN-674.6.patch, YARN-674.7.patch, YARN-674.8.patch, YARN-674.9.patch
>
>
> This was caused by YARN-280. A slow or a down NameNode for will make it look
> like RM is unavailable as it may run out of RPC handlers due to blocked
> client submissions.
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