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https://issues.apache.org/jira/browse/YARN-1011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15255967#comment-15255967
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Karthik Kambatla commented on YARN-1011:
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The prototype I have been working on is here:
https://github.com/kambatla/hadoop/commits/dev-1011-public. It is a little
hacky, particularly on the NM-side, and needs integration with YARN-2883 and
other cgroup changes for a clean implementation. Fixed issues found in basic
testing.
I will be running some more involved tests in the next few weeks to identify
any major design/implementation short-comings. Will report back and attempt to
answer any unanswered questions asked so far.
> [Umbrella] Schedule containers based on utilization of currently allocated
> containers
> -------------------------------------------------------------------------------------
>
> Key: YARN-1011
> URL: https://issues.apache.org/jira/browse/YARN-1011
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Arun C Murthy
> Attachments: patch-for-yarn-1011.patch, yarn-1011-design-v0.pdf,
> yarn-1011-design-v1.pdf, yarn-1011-design-v2.pdf
>
>
> Currently RM allocates containers and assumes resources allocated are
> utilized.
> RM can, and should, get to a point where it measures utilization of allocated
> containers and, if appropriate, allocate more (speculative?) containers.
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