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https://issues.apache.org/jira/browse/TEZ-501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14256277#comment-14256277
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Jian He commented on TEZ-501:
-----------------------------

To summarize: AM should not notify downstream clients that AM has successfully 
unregistered until RM returns true for 
{{FinishApplicationMasterResponse#getIsUnregistered}}

> Shutdown service, sleep 5s and then shutdown DAGClientServer to handle RM 
> restart related race conditions YARN-540/MAPREDUCE-5505
> ---------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TEZ-501
>                 URL: https://issues.apache.org/jira/browse/TEZ-501
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Bikas Saha
>




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