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https://issues.apache.org/jira/browse/TEZ-2300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14698673#comment-14698673
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Jonathan Eagles commented on TEZ-2300:
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[~rohini], the question is what behavior negative behavior are we trying
address. Are we waiting for the DAG to be finished? Are we waiting until the AM
is closed as well? Or is the most important aspect to reduce the amount of time
of it takes to shutdown an AM with a DAG running? With the pig interactive
command line, will pig want to cancel a DAG and run another in the same AM?
> TezClient.stop() takes a lot of time or does not work sometimes
> ---------------------------------------------------------------
>
> Key: TEZ-2300
> URL: https://issues.apache.org/jira/browse/TEZ-2300
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Jonathan Eagles
> Attachments: TEZ-2300.1.patch, TEZ-2300.2.patch, TEZ-2300.3.patch,
> TEZ-2300.4.patch, syslog_dag_1428329756093_325099_1_post
>
>
> Noticed this with a couple of pig scripts which were not behaving well (AM
> close to OOM, etc) and even with some that were running fine. Pig calls
> Tezclient.stop() in shutdown hook. Ctrl+C to the pig script either exits
> immediately or is hung. In both cases it either takes a long time for the
> yarn application to go to KILLED state. Many times I just end up calling yarn
> application -kill separately after waiting for 5 mins or more for it to get
> killed.
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