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https://issues.apache.org/jira/browse/YARN-1011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16622450#comment-16622450
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Arun Suresh commented on YARN-1011:
-----------------------------------

Planning on spending more cycles on this now.
Looking at the SubTasks, it looks like some of them are already committed - 
mostly the ones pertaining to ResourceUtilization plumbing and NM CGroups based 
improvements.. Wondering if it is ok to move those into another umbrella JIRA ?

> [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
>            Assignee: Karthik Kambatla
>            Priority: Major
>         Attachments: patch-for-yarn-1011.patch, yarn-1011-design-v0.pdf, 
> yarn-1011-design-v1.pdf, yarn-1011-design-v2.pdf, yarn-1011-design-v3.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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