Wangda Tan created YARN-3277:
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Summary: Queue's current-max-limit should be updated before
allocate reserved container.
Key: YARN-3277
URL: https://issues.apache.org/jira/browse/YARN-3277
Project: Hadoop YARN
Issue Type: Sub-task
Components: capacityscheduler, resourcemanager
Reporter: Wangda Tan
Assignee: Wangda Tan
This is introduced by changes of YARN-3265. With YARN-2008, when RM allocates
reserved container, it goes to LeafQueue directly, then goes up to root to get
LeafQueue's current-max-limit correct. Now we will not go up, so LeafQueue
cannot get maxQueueLimit updated before allocating reserved container.
One possible solution is, we can still start from root when allocate reserved
container, but goes to LeafQueue which reserved container belongs to from top
to bottom.
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