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https://issues.apache.org/jira/browse/YARN-472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606333#comment-13606333
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Jason Lowe commented on YARN-472:
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{{Runtime.halt}} would be one brutally efficient way to stop the AM in its
tracks, but I agree it's probably best to simply follow the normal shutdown
sequence but indicate via a flag or other means that we don't want to copy the
history file to the done_intermediate directory, unregister, or clean the
staging directory.
> MR app master deletes staging dir when sent a reboot command from the RM
> ------------------------------------------------------------------------
>
> Key: YARN-472
> URL: https://issues.apache.org/jira/browse/YARN-472
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: jian he
> Assignee: jian he
> Attachments: YARN-472.1.patch
>
>
> If the RM is restarted when the MR job is running, then it sends a reboot
> command to the job. The job ends up deleting the staging dir and that causes
> the next attempt to fail.
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