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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-185) tasks are lost during pollForNewTask
Date Tue, 02 May 2006 03:57:47 GMT
tasks are lost during pollForNewTask
------------------------------------

         Key: HADOOP-185
         URL: http://issues.apache.org/jira/browse/HADOOP-185
     Project: Hadoop
        Type: Bug

  Components: mapred  
    Versions: 0.1.1    
    Reporter: Owen O'Malley
 Assigned to: Owen O'Malley 
    Priority: Critical
     Fix For: 0.2


There is the potential for "losing" tasks that are assigned by the JobTracker to a TaskTracker,
but that fail during returning the result (usually due to a RPC timeout). In this case, the
Job becomes "wedged" in that the tasks will never run and never time out.

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