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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5860) Add support for increase and decrease of container resources to NM Container Queuing
Date Tue, 08 Nov 2016 22:18:58 GMT
Arun Suresh created YARN-5860:
---------------------------------

             Summary: Add support for increase and decrease of container resources to NM Container
Queuing 
                 Key: YARN-5860
                 URL: https://issues.apache.org/jira/browse/YARN-5860
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Arun Suresh
            Assignee: Arun Suresh


Currently the queuing framework (introduced in YARN-2877) in the NM that handles opportunistic
containers, are pre-empts opportunistic containers only when resources are need to start guaranteed
containers.
It currently does not handle situations where a guaranteed container resources have been increased.
Conversely, if a guaranteed (or opportunistic) container's resources have been decreased,
the NM must start queued opportunistic containers waiting on the newly available resources.




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