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Posted to common-dev@hadoop.apache.org by "Chris Douglas (JIRA)" <ji...@apache.org> on 2008/09/10 10:02:44 UTC

[jira] Updated: (HADOOP-4143) Support for a "raw" Partitioner that partitions based on the serialized key and not record objects

     [ https://issues.apache.org/jira/browse/HADOOP-4143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Douglas updated HADOOP-4143:
----------------------------------

    Attachment: 4143-0.patch

Attaching a quick hack of the preceding.

> Support for a "raw" Partitioner that partitions based on the serialized key and not record objects
> --------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4143
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4143
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Chris Douglas
>         Attachments: 4143-0.patch
>
>
> For some partitioners (particularly those using comparators to classify keys), it would be helpful if one could specify a "raw" partitioner that would receive the serialized version of the key rather than the object emitted from the map.

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