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https://issues.apache.org/jira/browse/MAPREDUCE-4771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans updated MAPREDUCE-4771:
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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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