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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4771) KeyFieldBasedPartitioner not partitioning properly when configured
Date Mon, 05 Nov 2012 19:14:12 GMT
Jason Lowe created MAPREDUCE-4771:

             Summary: KeyFieldBasedPartitioner not partitioning properly when configured
                 Key: MAPREDUCE-4771
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4771
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 2.0.1-alpha, 0.23.3
            Reporter: Jason Lowe
            Assignee: Jason Lowe

Relative to Hadoop 0.20/1.x, KeyFieldBasedPartitioner is not distributing across partitions
properly when configured.  This is related to the double-configure issue as described in HADOOP-7425.
 KeyFieldBasedPartitioner is getting configured twice, and that ends up duplicating the keyspecs
and causing the keys to be hashed twice.

KeyFieldBasedPartitioner should not duplicate keyspecs when configured twice.

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