Weiwei Yang created YARN-7587:
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Summary: Skip dispatching opportunistic containers to nodes whose
queue is already full
Key: YARN-7587
URL: https://issues.apache.org/jira/browse/YARN-7587
Project: Hadoop YARN
Issue Type: Sub-task
Affects Versions: 2.9.0
Reporter: Weiwei Yang
Assignee: Weiwei Yang
When there is a lot of opportunistic container requests, even if NM queue is
full, RM continues to dispatch O containers to that node. Such allocations will
be killed immediately by NM causing a waste of resource. Propose to exclude
such nodes in the load monitor.
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