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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-39) Job killed when backup tasks fail
Date Thu, 16 Feb 2006 01:01:44 GMT
Job killed when backup tasks fail
---------------------------------

         Key: HADOOP-39
         URL: http://issues.apache.org/jira/browse/HADOOP-39
     Project: Hadoop
        Type: Bug
  Components: mapred  
    Reporter: Owen O'Malley


I had a map job with side effects that meant that any speculative tasks would fail.

Currently, the job tracker kills the job when the speculative task fails 4 times.

It would be better to stop scheduling speculative tasks for that fragment, but let the job
continue as long as one of the the instances of that fragment continue to run.

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