job client should generate input fragments before the job is submitted
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                 Key: HADOOP-867
                 URL: https://issues.apache.org/jira/browse/HADOOP-867
             Project: Hadoop
          Issue Type: Improvement
          Components: mapred
            Reporter: Owen O'Malley


The JobClient should generate the input fragments and write them to dfs next to 
the job.xml parallel to the job.xml. This would offload the JobTracker, get rid 
of the job state where the job isn't initialized yet, and fix the problem with 
the class path for job initialization.

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