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https://issues.apache.org/jira/browse/YARN-1382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15075705#comment-15075705
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Rohith Sharma K S commented on YARN-1382:
-----------------------------------------
thanks [~djp] for committing the patch:-)
> Remove unusableRMNodesConcurrentSet (never used) in NodeListManager to get
> rid of memory leak
> ---------------------------------------------------------------------------------------------
>
> 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, 2.7.1, 2.6.2
> Reporter: Alejandro Abdelnur
> Assignee: Rohith Sharma K S
> Fix For: 2.8.0
>
> Attachments: 0001-YARN-1382.patch, 0002-YARN-1382.patch,
> 0003-YARN-1382.patch
>
>
> 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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