the job tracker does not schedule enough map on the cluster
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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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