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https://issues.apache.org/jira/browse/HADOOP-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Sell updated HADOOP-5528:
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Attachment: HADOOP-5528-0.18.patch
We needed this for 0.18, so I back ported it. Attached patch includes
HADOOP-4151 tweaked for 0.18. All tests passed.
> Binary partitioner
> ------------------
>
> Key: HADOOP-5528
> URL: https://issues.apache.org/jira/browse/HADOOP-5528
> Project: Hadoop Core
> Issue Type: New Feature
> Components: mapred
> Reporter: Klaas Bosteels
> Assignee: Klaas Bosteels
> Fix For: 0.21.0
>
> Attachments: 5528_20090401.patch, HADOOP-5528-0.18.patch,
> HADOOP-5528.patch, HADOOP-5528.patch, HADOOP-5528.patch, HADOOP-5528.patch,
> HADOOP-5528.patch
>
>
> It would be useful to have a {{BinaryPartitioner}} that partitions
> {{BinaryComparable}} keys by hashing a configurable part of the bytes array
> corresponding to each key.
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