Wangda Tan created YARN-6081:
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Summary: LeafQueue#getTotalPendingResourcesConsideringUserLimit
should deduct reserved from pending to avoid unnecessary preemption of reserved
container
Key: YARN-6081
URL: https://issues.apache.org/jira/browse/YARN-6081
Project: Hadoop YARN
Issue Type: Bug
Reporter: Wangda Tan
Assignee: Wangda Tan
Priority: Critical
While doing YARN-5864 tests, found an issue when a queue's reserved > pending.
PreemptionResourceCalculator will preempt reserved container even if there's
only one active queue in the cluster.
To fix the problem, we need to deduct reserved from pending when getting
total-pending resource for LeafQueue.
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