As a user, I've always assumed that the CWD directory of a task is
cleaned up by the system.
I think most of the users were ensured this is so.
So fixing this should be high priority.
--ab
On Dec 13, 2007, at 11:32 PM, lohit vijayarenu (JIRA) wrote:
Cleanup of mapred.local.dir after maptask is complete
-----------------------------------------------------
Key: HADOOP-2427
URL: https://issues.apache.org/jira/browse/
HADOOP-2427
Project: Hadoop
Issue Type: Bug
Components: mapred
Affects Versions: 0.15.1
Reporter: lohit vijayarenu
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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