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https://issues.apache.org/jira/browse/YARN-1189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766208#comment-13766208
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Omkar Vinit Joshi commented on YARN-1189:
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Yes this is clearly a leak... I had this locally when I was working on
it..somehow missed the change.. It should be called when application completely
finishes..Attaching a quick patch...
> NMTokenSecretManagerInNM is not being told when applications have finished
> ---------------------------------------------------------------------------
>
> Key: YARN-1189
> URL: https://issues.apache.org/jira/browse/YARN-1189
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Assignee: Omkar Vinit Joshi
>
> The {{appFinished}} method is not being called when applications have
> finished. This causes a couple of leaks as {{oldMasterKeys}} and
> {{appToAppAttemptMap}} are never being pruned.
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