Arun Suresh created YARN-7547:
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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 containers.
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