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Posted to mapreduce-dev@hadoop.apache.org by "Ravi Teja Ch N V (JIRA)" <ji...@apache.org> on 2011/06/30 07:32:28 UTC

[jira] [Created] (MAPREDUCE-2632) Avoid calling the partitioner when the numReduceTasks is 1.

Avoid calling the partitioner when the numReduceTasks is 1.
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                 Key: MAPREDUCE-2632
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2632
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: tasktracker
    Affects Versions: 0.23.0
            Reporter: Ravi Teja Ch N V


We can avoid the call to the partitioner when the number of reducers is 1.This will avoid the unnecessary computations by the partitioner.

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