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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6618) YarnClientProtocolProvider leaking the YarnClient thread.
Date Fri, 29 Jan 2016 15:42:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123613#comment-15123613
] 

Jason Lowe commented on MAPREDUCE-6618:
---------------------------------------

Could you look into the failed unit tests?  I'm not sure about the others, but the TestYarnClientProtocolProvider
failure looks related.  Also would be nice to cleanup the now unused import.  Otherwise patch
looks good.


> YarnClientProtocolProvider leaking the YarnClient thread. 
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-6618
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6618
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>         Attachments: MAPREDUCE-6618.1.patch, MAPREDUCE-6618.2.patch, MAPREDUCE-6618.3.patch,
MAPREDUCE-6618.4.patch, MAPREDUCE-6618.5.patch
>
>
> YarnClientProtocolProvider creates YarnRunner which includes ResourceMgrDelegate. In
ResourceMgrDelegate, we would initiate and start yarnclient. The yarnClient thread would be
leaked due to
> {code}
>   @Override
>   public void close(ClientProtocol clientProtocol) throws IOException {
>     // nothing to do
>   }
> {code} in YarnClientProtocolProvider



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