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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5483) Optimize RMAppAttempt#pullJustFinishedContainers
Date Tue, 09 Aug 2016 14:40:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe updated YARN-5483:
-----------------------------
    Affects Version/s: 2.6.0
     Target Version/s: 2.6.5, 2.7.4

bq. I don't think YARN-5262 breaks this jira.

Yeah, it looks like YARN-1372 is the source, and that went into 2.6.  As such it'd be nice
to have this go into 2.7.4 and 2.6.5 since it seems like an important performance fix.

Thanks for updating the patch!  Latest one looks good to me as well.  Could you provide patches
for 2.7/2.6 as well?  Note that 2.6 does not support JDK7, so we can't use the diamond operator
there.

> 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-5483.01.patch, YARN-5483.02.patch, YARN-5483.03.patch, jprofiler-cpu.png
>
>
> about 1000 app running on cluster, jprofiler found pullJustFinishedContainers cost too
much cpu.



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