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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:
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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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