Alejandro Abdelnur created YARN-1382:
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Summary: NodeListManager has a memory leak,
unusableRMNodesConcurrentSet is never purged
Key: YARN-1382
URL: https://issues.apache.org/jira/browse/YARN-1382
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.2.0
Reporter: Alejandro Abdelnur
If a node is in the unusable nodes set (unusableRMNodesConcurrentSet) and never
comes back, the node will be there forever.
While the leak is not big, it gets aggravated if the NM addresses are
configured with ephemeral ports as when the nodes come back they come back as
new.
Some related details in YARN-1343
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