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https://issues.apache.org/jira/browse/YARN-7688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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BELUGA BEHR updated YARN-7688:
------------------------------
    Attachment:     (was: YARN-7688.1.patch)

> Miscellaneous Improvements To ProcfsBasedProcessTree
> ----------------------------------------------------
>
>                 Key: YARN-7688
>                 URL: https://issues.apache.org/jira/browse/YARN-7688
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 3.0.0
>            Reporter: BELUGA BEHR
>            Priority: Minor
>         Attachments: YARN-7688.1.patch
>
>
> * Use ArrayDeque for performance instead of LinkedList
> * Use more Apache Commons routines to replace existing implementations
> * Remove superfluous code guards around DEBUG statements
> * Remove superfluous annotations in the tests
> * Other small improvements



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