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