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https://issues.apache.org/jira/browse/YARN-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15415656#comment-15415656
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Jason Lowe commented on YARN-5483:
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+1 for the 2.7 and 2.6 patch as well. Committing this.
> Optimize RMAppAttempt#pullJustFinishedContainers
> ------------------------------------------------
>
> Key: YARN-5483
> URL: https://issues.apache.org/jira/browse/YARN-5483
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.6.0
> Reporter: sandflee
> Assignee: sandflee
> Attachments: YARN-5483-branch-2.6.patch,
> YARN-5483-branch-2.6.patch.02, YARN-5483-branch-2.7.patch,
> YARN-5483-branch-2.7.patch.02, YARN-5483.01.patch, YARN-5483.02.patch,
> YARN-5483.03.patch, YARN-5483.04.patch, jprofiler-cpu.png
>
>
> about 1000 app running on cluster, jprofiler found pullJustFinishedContainers
> cost too much cpu.
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