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https://issues.apache.org/jira/browse/YARN-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537165#comment-13537165
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Luke Lu commented on YARN-223:
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Sorry folks! I got too used to seeing mapreduce code in YARN :)
> Change processTree interface to work better with native code
> ------------------------------------------------------------
>
> Key: YARN-223
> URL: https://issues.apache.org/jira/browse/YARN-223
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Radim Kolar
> Assignee: Radim Kolar
> Priority: Critical
> Fix For: 3.0.0, 2.0.3-alpha, 0.23.6
>
> Attachments: pstree-update4.txt, pstree-update6.txt,
> pstree-update6.txt
>
>
> Problem is that on every update of processTree new object is required. This
> is undesired when working with processTree implementation in native code.
> replace ProcessTree.getProcessTree() with updateProcessTree(). No new object
> allocation is needed and it simplify application code a bit.
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