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https://issues.apache.org/jira/browse/YARN-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110567#comment-14110567
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Beckham007 commented on YARN-2440:
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In addition, mesos uses cpuset for default. 
https://github.com/apache/mesos/blob/master/src/linux/cgroups.cpp

> Cgroups should allow YARN containers to be limited to allocated cores
> ---------------------------------------------------------------------
>
>                 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, 
> apache-yarn-2440.2.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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