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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1595) LinuxTaskController is too strict on the initial ownership of files/dir.
Date Fri, 12 Mar 2010 10:39:27 GMT
LinuxTaskController is too strict on the initial ownership of files/dir.
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                 Key: MAPREDUCE-1595
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1595
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: security, task-controller
            Reporter: Vinod K V


Linux task controller is too strict now w.r.t the initial ownership of the files/dir that
it tries to make as secure as possible. Currently, it expects, for e.g, the mapred-local/tasktracker/user-dir
to be both user-owned and group-owned by TT. This leads to unrecoverable failures in some
corner cases.

It can instead allow the files/dirs to be owned either by TT *or* by the jobOwner.

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