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Posted to common-dev@hadoop.apache.org by "Tim Sell (JIRA)" <ji...@apache.org> on 2009/05/06 13:25:30 UTC

[jira] Updated: (HADOOP-5528) Binary partitioner

     [ https://issues.apache.org/jira/browse/HADOOP-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Sell updated HADOOP-5528:
-----------------------------

    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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