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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-205) the job tracker does not schedule enough map on the cluster
Date Tue, 09 May 2006 20:58:04 GMT
the job tracker does not schedule enough map on the cluster
-----------------------------------------------------------

         Key: HADOOP-205
         URL: http://issues.apache.org/jira/browse/HADOOP-205
     Project: Hadoop
        Type: Bug

  Components: mapred  
    Versions: 0.2    
    Reporter: Owen O'Malley
 Assigned to: Owen O'Malley 
     Fix For: 0.4


The job tracker during my big sort runs only has 80-120 maps running at a time with 2 tasks/node
and 179 nodes and a large queue of map tasks. It seems to be caused by the load balancing
using the current load rather than the required load to run all of the queued tasks.

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