[ https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu updated YARN-3857:
----------------------------
Fix Version/s: 2.6.4
> Memory leak in ResourceManager with SIMPLE mode
> -----------------------------------------------
>
> Key: YARN-3857
> URL: https://issues.apache.org/jira/browse/YARN-3857
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.0
> Reporter: mujunchao
> Assignee: mujunchao
> Priority: Critical
> Labels: patch
> Fix For: 2.7.2, 2.6.4
>
> Attachments: YARN-3857-1.patch, YARN-3857-2.patch, YARN-3857-3.patch, YARN-3857-4.patch,
hadoop-yarn-server-resourcemanager.patch
>
>
> We register the ClientTokenMasterKey to avoid client may hold an invalid ClientToken
after RM restarts. In SIMPLE mode, we register Pair<ApplicationAttemptId, null> , But
we never remove it from HashMap, as unregister only runing while in Security mode, so memory
leak coming.
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