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https://issues.apache.org/jira/browse/HADOOP-4670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat reassigned HADOOP-4670:
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Assignee: Amar Kamat
> Improve the way job history files are managed
> ---------------------------------------------
>
> Key: HADOOP-4670
> URL: https://issues.apache.org/jira/browse/HADOOP-4670
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Fix For: 0.20.0
>
>
> Today all the jobhistory files are dumped in one _job-history_ folder. This
> can cause problems when there is a need to search the history folder
> (job-recovery etc). It would be nice if we group all the jobs under a _user_
> folder. So all the jobs for user _amar_ will go in _history-folder/amar/_.
> Jobs can be categorized using various features like _jobid, date, jobname_
> etc but using _username_ will make the search much more efficient and also
> will not result into namespace explosion.
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