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From "Omkar Vinit Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-455) NM warns about stopping an unknown container under normal circumstances
Date Thu, 18 Jul 2013 19:14:49 GMT

     [ https://issues.apache.org/jira/browse/YARN-455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Omkar Vinit Joshi resolved YARN-455.
------------------------------------

    Resolution: Duplicate
    
> NM warns about stopping an unknown container under normal circumstances
> -----------------------------------------------------------------------
>
>                 Key: YARN-455
>                 URL: https://issues.apache.org/jira/browse/YARN-455
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.0.3-alpha, 0.23.6
>            Reporter: Jason Lowe
>            Assignee: Omkar Vinit Joshi
>
> During normal operations the NM can log warnings to its audit log about unknown containers.
 For example:
> {noformat}
> 2013-03-06 21:04:55,327 WARN nodemanager.NMAuditLogger: USER=UnknownUser	IP=xx	OPERATION=Stop
Container Request	TARGET=ContainerManagerImpl	RESULT=FAILURE	DESCRIPTION=Trying to stop unknown
container!	APPID=application_1359150825713_3947178	CONTAINERID=container_1359150825713_3947178_01_001266
> {noformat}
> Looking closer at the audit log and the NM log shows that the container completed successfully
and was forgotten by the NM before the stop request arrived.  The NM should avoid warning
in these situations since this is a "normal" race condition.

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