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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-221) make the number of map output configurable
Date Tue, 16 May 2006 03:38:52 GMT
make the number of map output configurable
------------------------------------------

         Key: HADOOP-221
         URL: http://issues.apache.org/jira/browse/HADOOP-221
     Project: Hadoop
        Type: Improvement

  Components: mapred  
    Versions: 0.2    
    Reporter: Owen O'Malley
 Assigned to: Owen O'Malley 
     Fix For: 0.3
 Attachments: more-map-output-servers.patch

The number of map output server threads in each task tracker is currently set to the number
of task slots. Since the optimum setting depends on the network, it would be nice to have
more threads serving map output files than reduces.

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