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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/23 22:30:39 UTC

[jira] [Resolved] (MAPREDUCE-803) Provide a command line option to clean up jobtracker system directory

     [ https://issues.apache.org/jira/browse/MAPREDUCE-803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-803.
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    Resolution: Duplicate

This is pretty much YARN-2131 in modern terms.

> Provide a command line option to clean up jobtracker system directory
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-803
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-803
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>            Reporter: Hemanth Yamijala
>
> When the JT is restarted, the mapreduce system directory's contents are used for job recovery. For sites that use this feature, there might be instances when we don't want to restart to read the mapred system directory. A sample use case is if there is a full cluster restart with a (typically minor) version upgrade of the Map/Reduce code base. To easily support such cases, it would be nice to provide a way for clean up the jobtracker system directory so that no files will be available for cleanup.



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