Arun Suresh created YARN-5860:
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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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