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From "Alexander Alten-Lorenz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4555) make user's mapred .staging area permissions configurable
Date Mon, 13 Aug 2012 22:04:38 GMT
Alexander Alten-Lorenz created MAPREDUCE-4555:

             Summary: make user's mapred .staging area permissions configurable
                 Key: MAPREDUCE-4555
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4555
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: client, job submission
    Affects Versions: 1.0.3
            Reporter: Alexander Alten-Lorenz

The directories are created in JobTracker and LocalRunner, but they are currently forced to
be 0700. There is even a segment of the source code that will check the permissions are 0700,
and if not it will change the permissions to match 0700. For monitoring purposes the permissions
should be configurable.

Please note:
1. We can make the hard-coded 700 configurable at clients (its the client who creates it)
but there's two issues here: 
1.1. It violates security principals (as its client sided and overridable) 
1.2. It can't be consistent, since some user may ignore configs provided to them and create
it with 0700.

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