Thomas Graves created YARN-1582:
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Summary: Capacity Scheduler: add a maximum-allocation-mb setting
per queue
Key: YARN-1582
URL: https://issues.apache.org/jira/browse/YARN-1582
Project: Hadoop YARN
Issue Type: Improvement
Components: capacityscheduler
Affects Versions: 2.2.0, 0.23.10, 3.0.0
Reporter: Thomas Graves
Assignee: Thomas Graves
We want to allow certain queues to use larger container sizes while limiting
other queues to smaller container sizes. Setting it per queue will help
prevent abuse, help limit the impact of reservations, and allow changes in the
maximum container size to be rolled out more easily.
One reason this is needed is more application types are becoming available on
yarn and certain applications require more memory to run efficiently. While we
want to allow for that we don't want other applications to abuse that and start
requesting bigger containers then what they really need.
Note that we could have this based on application type, but that might not be
totally accurate either since for example you might want to allow certain users
on MapReduce to use larger containers, while limiting other users of MapReduce
to smaller containers.
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