In case of dead task tracker, the copy mapouts try copying all mapoutputs from 
this tasktracker 
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         Key: HADOOP-343
         URL: http://issues.apache.org/jira/browse/HADOOP-343
     Project: Hadoop
        Type: Bug

  Components: mapred  
    Versions: 0.5.0    
    Reporter: Mahadev konar
 Assigned to: Mahadev konar 


In case of a dead task tracker, the reduces which do not have the updated map 
out locations try copygin files from this node and since there are failures on 
copying, this leads to backoff and slowing down of the copy pahse.

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