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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4261) Jobs failing in the init stage will never cleanup
Date Wed, 24 Sep 2008 11:16:44 GMT
Jobs failing in the init stage will never cleanup
-------------------------------------------------

                 Key: HADOOP-4261
                 URL: https://issues.apache.org/jira/browse/HADOOP-4261
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
            Reporter: Amar Kamat
            Priority: Blocker


Pre HADOOP-3150, if the job fails in the init stage, {{job.kill()}} was called. This used
to make sure that the job was cleaned up w.r.t 
- staus set to KILLED/FAILED
- job files from the system dir are deleted
- closing of job history files
- making jobtracker aware of this through {{jobTracker.finalizeJob()}}
- cleaning up the data structures via {{JobInProgress.garbageCollect()}}

Now if the job fails in the init stage, {{job.fail()}} is called which doesnt do the cleanup.
HADOOP-3150 introduces cleanup tasks which are launched once the job completes i.e killed/failed/succeeded.
 Jobtracker will never consider this job for scheduling as the job will be in the {{PREP}}
state forever.

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