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https://issues.apache.org/jira/browse/HADOOP-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-2427:
--------------------------------------------
Release Note: The current working directory of a task, i.e.
${mapred.local.dir}/taskTracker/jobcache/<jobid>/<task_dir>/work is cleanedup,
as soon as the task is finished.
> Cleanup of mapred.local.dir after maptask is complete
> -----------------------------------------------------
>
> Key: HADOOP-2427
> URL: https://issues.apache.org/jira/browse/HADOOP-2427
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.15.1
> Reporter: Lohit Vijayarenu
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.18.0
>
> Attachments: patch-2427.txt, patch-2427.txt
>
>
> I see that after a map task is complete, its working directory
> (mapred.local.dir)/taskTracker/jobcache/<jobid>/<task_dir> is not deleted
> untill the job is complete. If map out files are stored in there, could this
> be created in different directory and the working directory cleaned up after
> map task is complete. One problem we are seeing is, if a map task creates
> files temporary files, they get accumulated and we may run out of disk space
> thus failing the job. Relying on the user to cleanup all temp files created
> is be error prone.
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