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https://issues.apache.org/jira/browse/TEZ-1216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14091977#comment-14091977
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Bikas Saha commented on TEZ-1216:
---------------------------------

Could you please rename this to scratch dir or temp dir. This can be confusing.
TEZ_AM_STAGING_DIR_AUTO_DELETE, its value and LOG "Deleting staging directory"

typo unregisterScheduleEventHandler()

shutdownHandlerRunning etc from the previous patch has disappeared?

We are optimistically hoping that unregister will be successful. This may hit 
us if the RM restarts during unregister which will cause unregister to spin on 
the RM but should not be a problem with work preserving restart.

> Clean up the staging directory when the application completes
> -------------------------------------------------------------
>
>                 Key: TEZ-1216
>                 URL: https://issues.apache.org/jira/browse/TEZ-1216
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Hitesh Shah
>            Priority: Critical
>         Attachments: TEZ-1216.1.patch, TEZ-1216.2.patch
>
>
> This JIRA is a part of TEZ-693. It includes the removal of stage directory 
> when application's last attempt is done. In addition, it will check a config 
> to determine whether to auto clean it or not.



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