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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4771) KeyFieldBasedPartitioner not partitioning properly when configured
Date Mon, 05 Nov 2012 22:34:12 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Joseph Evans updated MAPREDUCE-4771:
-------------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.23.5
                   2.0.3-alpha
                   3.0.0
           Status: Resolved  (was: Patch Available)

Thanks Jason,

I put this in trunk, branch-2, and branch-0.23
                
> 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: 0.23.3, 2.0.1-alpha
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>             Fix For: 3.0.0, 2.0.3-alpha, 0.23.5
>
>         Attachments: MAPREDUCE-4771.patch
>
>
> 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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