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https://issues.apache.org/jira/browse/HADOOP-3046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12582611#action_12582611
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Hudson commented on HADOOP-3046:
--------------------------------
Integrated in Hadoop-trunk #443 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/443/])
> Text and BytesWritable's raw comparators should use the lengths provided
> instead of rebuilding them from scratch using readInt
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3046
> URL: https://issues.apache.org/jira/browse/HADOOP-3046
> Project: Hadoop Core
> Issue Type: Improvement
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Blocker
> Fix For: 0.17.0
>
> Attachments: 3046-2.patch, 3046.patch
>
>
> It would be much faster to use the key length provided by the raw compare
> function rather than rebuilding the integer lengths back up from bytes twice
> for every comparison in the sort.
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