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https://issues.apache.org/jira/browse/HIVE-2396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13087970#comment-13087970
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Tim Armstrong commented on HIVE-2396:
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It depends on the changes in HIVE-2350, which haven't shown up in trunk yet,
I'll wait until trunk is updated then submit a clean patch.
> RCFileReader Buffer Reuse
> -------------------------
>
> Key: HIVE-2396
> URL: https://issues.apache.org/jira/browse/HIVE-2396
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 0.8.0
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Minor
> Fix For: 0.8.0
>
> Attachments: rcfile_bufreuse_2011-08-19.patch
>
>
> Minor tweak to RCFile$Reader which improves read performance by reusing value
> buffers. This reduces object allocation.
> Depends on HIVE-2350
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