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Posted to yarn-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2015/11/21 00:58:11 UTC

[jira] [Commented] (YARN-3857) Memory leak in ResourceManager with SIMPLE mode

    [ https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15019119#comment-15019119 ] 

Sangjin Lee commented on YARN-3857:
-----------------------------------

Does this issue exist in 2.6.x? Should this be backported to branch-2.6?

> 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
>
>         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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