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https://issues.apache.org/jira/browse/YARN-9642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16878985#comment-16878985
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Sunil Govindan commented on YARN-9642:
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+1. from me.
Committing shortly if no objections.
> AbstractYarnScheduler#clearPendingContainerCache could run even after
> transitiontostandby
> -----------------------------------------------------------------------------------------
>
> Key: YARN-9642
> URL: https://issues.apache.org/jira/browse/YARN-9642
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Critical
> Attachments: YARN-9642.001.patch, image-2019-06-22-16-05-24-114.png
>
>
> The TimeTask could hold the reference of Scheduler in case of fast switch
> over too.
> AbstractYarnScheduler should make sure scheduled Timer cancelled on
> serviceStop.
> Causes memory leak too
> !image-2019-06-22-16-05-24-114.png!
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