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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4597) Add SCHEDULE to NM container lifecycle
Date Fri, 21 Oct 2016 21:42:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-4597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15596462#comment-15596462
] 

Jian He commented on YARN-4597:
-------------------------------

bq.  the current default one only takes into account actual resource allocated to containers..We
assumed that resources requested by a container is constant,
oh, I thought it's checking for the dynamically changing vmem, it's actually only checking
for the max-limit. then we are fine I think.

> Add SCHEDULE to NM container lifecycle
> --------------------------------------
>
>                 Key: YARN-4597
>                 URL: https://issues.apache.org/jira/browse/YARN-4597
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Chris Douglas
>            Assignee: Arun Suresh
>         Attachments: YARN-4597.001.patch, YARN-4597.002.patch, YARN-4597.003.patch
>
>
> Currently, the NM immediately launches containers after resource localization. Several
features could be more cleanly implemented if the NM included a separate stage for reserving
resources.



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