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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7547) Throttle Localization for Opportunistic Containers in the NM
Date Tue, 21 Nov 2017 14:58:01 GMT
Arun Suresh created YARN-7547:

             Summary: Throttle Localization for Opportunistic Containers in the NM
                 Key: YARN-7547
                 URL: https://issues.apache.org/jira/browse/YARN-7547
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Arun Suresh
            Assignee: kartheek muthyala

Currently, Localization is performed before the container is queued on the NM. It is possible
that a barrage of Opportunsitic containers can prevent Guaranteed containers from starting.
This can be avoided by throttling Localization Requests for opportunistic containers - for
eg. if the number of Queued containers is > x, then don't start localization for new Opp

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