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https://issues.apache.org/jira/browse/YARN-600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639090#comment-13639090
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Timothy St. Clair commented on YARN-600:
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What happens when a node does not have it enabled? SetAffinity?
> Hook up cgroups CPU settings to the number of virtual cores allocated
> ---------------------------------------------------------------------
>
> Key: YARN-600
> URL: https://issues.apache.org/jira/browse/YARN-600
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager, scheduler
> Affects Versions: 2.0.3-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
>
> YARN-3 introduced CPU isolation and monitoring through cgroups. YARN-2 and
> introduced CPU scheduling in the capacity scheduler, and YARN-326 will
> introduce it in the fair scheduler. The number of virtual cores allocated to
> a container should be used to weight the number of cgroups CPU shares given
> to it.
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