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https://issues.apache.org/jira/browse/YARN-4085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718497#comment-14718497
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Steve Loughran commented on YARN-4085:
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+1 some YARN_CORES value which has had whatever vcore => phycore mapping the 
cluster has applied

> Generate file with container resource limits in the container work dir
> ----------------------------------------------------------------------
>
>                 Key: YARN-4085
>                 URL: https://issues.apache.org/jira/browse/YARN-4085
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>            Priority: Minor
>
> Currently, a container doesn't know what resource limits are being imposed on 
> it. It would be helpful if the NM generated a simple file in the container 
> work dir with the resource limits specified.



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