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From "Ramgopal N (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4130) Jobid creation is not required if the job failed because of unavailability of input path.Can input and output paths validation can be done before job ID creation step?
Date Tue, 10 Apr 2012 08:32:15 GMT
Jobid creation is not required if the job failed because of unavailability of input path.Can
input and output paths validation can be done before job ID creation step?
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: MAPREDUCE-4130
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4130
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
            Reporter: Ramgopal N
            Priority: Minor


If the input splits cannot be computed because the input paths doesnt exist
Job is not submitted and error is thrown.But before that jobid is created which can be avoided.
The sequence is 
1)Output path validation
2)Jobid creation
3)Input splits computation

But if the sequence of steps is 1,3,2 ...unnecessary  jobid creation can be avoided


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