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https://issues.apache.org/jira/browse/MAPREDUCE-5841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13974367#comment-13974367
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Sangjin Lee commented on MAPREDUCE-5841:
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The findbug warning is about the System.exit() call. It's an existing call that
was refactored into another method.
> uber job doesn't terminate on getting mapred job kill
> -----------------------------------------------------
>
> Key: MAPREDUCE-5841
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5841
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.3.0
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Attachments: mapreduce-5841.patch
>
>
> If you issue a "mapred job -kill" against a uberized job, the job (and the
> yarn application) state transitions to KILLED, but the application master
> process continues to run. The job actually runs to completion despite the
> killed status.
> This can be easily reproduced by running a sleep job:
> {noformat}
> hadoop jar hadoop-mapreduce-client-jobclient-2.3.0-tests.jar sleep -m 1 -r 0
> -mt 300000
> {noformat}
> Issue a kill with "mapred job -kill \[job-id\]". The UI will show the job
> (app) is in the KILLED state. However, you can see the application master is
> still running.
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