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https://issues.apache.org/jira/browse/TAJO-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381340#comment-14381340
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Jihoon Son commented on TAJO-1407:
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Hi [~navis].
I made a mistake during merging your patch into master.
You can see that the author of the commit is recorded as my name in the git log.
However, your contribution is recorded at the change log.
Truly appologize my mistake.
> Minor performance improvement of MemSortExec
> --------------------------------------------
>
> Key: TAJO-1407
> URL: https://issues.apache.org/jira/browse/TAJO-1407
> Project: Tajo
> Issue Type: Improvement
> Components: physical operator
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: TAJO-1407.1.patch.txt, TAJO-1407.2.patch.txt
>
>
> Currently, tajo uses Collections.sort() with TupleCompartor, which can incur
> some overheads on comparing.
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