Remove claims from mapred-default.xml that prime numbers of tasks are helpful.
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Key: HADOOP-5519
URL: https://issues.apache.org/jira/browse/HADOOP-5519
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Owen O'Malley
Assignee: Owen O'Malley
Fix For: 0.20.0
There is no value in using prime numbers for numbers of tasks. In fact, most
jobs don't even need the number of maps set, since it will increase to the
number of blocks.
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