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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-600) Hook up cgroups CPU settings to the number of virtual cores allocated
Date Tue, 23 Apr 2013 00:07:17 GMT
Sandy Ryza created YARN-600:
-------------------------------

             Summary: 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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