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https://issues.apache.org/jira/browse/MAPREDUCE-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427483#comment-13427483
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Bikas Saha commented on MAPREDUCE-4275:
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I am ok with the null pointer check. You are right that there should be a
single factory getting OS specific resource objects. How about moving the
procfsbasedprocesstree factory to resourcecalculatorprocesstree for now so that
the code flow stays similar to what it currently is. Looks like you have some
ideas for re-organizing this part of the code better. we could handle the
factory creation and other refactorings etc as part of that change. sounds like
a plan?
> Plugable process tree
> ---------------------
>
> Key: MAPREDUCE-4275
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4275
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 3.0.0
> Environment: FreeBSD 64 bit
> Reporter: Radim Kolar
> Attachments: plugable-pstree-1.txt, plugable-pstree-2.txt,
> plugable-pstree.txt
>
>
> Trunk version of Pluggable process tree. Work based on MAPREDUCE-4204
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