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https://issues.apache.org/jira/browse/YARN-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107331#comment-14107331
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Jason Lowe commented on YARN-2440:
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Sure for this JIRA we can go with a percent of total CPU to limit YARN.  For 
something like YARN-160 we'd need the user to specify some kind of relationship 
between vcores and  physical cores.

> Cgroups should limit YARN containers to cores allocated in yarn-site.xml
> ------------------------------------------------------------------------
>
>                 Key: YARN-2440
>                 URL: https://issues.apache.org/jira/browse/YARN-2440
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: apache-yarn-2440.0.patch, apache-yarn-2440.1.patch, 
> screenshot-current-implementation.jpg
>
>
> The current cgroups implementation does not limit YARN containers to the 
> cores allocated in yarn-site.xml.



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