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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4949) Enable multiple pi jobs to run in parallel
Date Fri, 18 Jan 2013 22:30:14 GMT
Sandy Ryza created MAPREDUCE-4949:
-------------------------------------

             Summary: Enable multiple pi jobs to run in parallel
                 Key: MAPREDUCE-4949
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4949
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: examples
    Affects Versions: 2.0.2-alpha
            Reporter: Sandy Ryza
            Assignee: Sandy Ryza
            Priority: Minor


Currently the hadoop pi example uses a hardcoded temporary directory to store its inputs and
outputs.  This makes it so that only one pi job can run at a time, and that if it is cancelled,
the temporary directory must be manually deleted.

I propose using a temporary directory based on a timestamp and random number to avoid these
conflicts

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