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https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mujunchao updated YARN-3857:
----------------------------
    Remaining Estimate:     (was: 24h)
     Original Estimate:     (was: 24h)

> 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
>            Priority: Critical
>
>  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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