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https://issues.apache.org/jira/browse/HADOOP-4151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Chansler updated HADOOP-4151:
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Component/s: mapred
> Add a memcmp-compatible interface for key types
> -----------------------------------------------
>
> Key: HADOOP-4151
> URL: https://issues.apache.org/jira/browse/HADOOP-4151
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Priority: Minor
> Fix For: 0.19.0
>
> Attachments: 4151-0.patch, 4151-1.patch, 4151-2.patch, 4151-3.patch,
> 4151-4.patch
>
>
> Sometimes it's beneficial to treat types (like BytesWritable and Text) as
> byte arrays, agnostic to their type. Adding an interface to tag key types as
> amenable to this treatment can permit optimizations and reuse for that subset
> of types in tools and libraries.
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