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https://issues.apache.org/jira/browse/TAJO-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377495#comment-14377495
]
Hudson commented on TAJO-1407:
------------------------------
SUCCESS: Integrated in Tajo-master-build #627 (See
[https://builds.apache.org/job/Tajo-master-build/627/])
TAJO-1407: Minor performance improvement of MemSortExec. (jihoonson: rev
d7b5212ceb569ba145318d78cff46ca49bef973c)
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/TupleSorter.java
* tajo-common/src/main/java/org/apache/tajo/datum/BooleanDatum.java
* tajo-common/src/main/java/org/apache/tajo/datum/DatumFactory.java
*
tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestTupleSorter.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/VectorizedSorter.java
* tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/SortExec.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/MemSortExec.java
* CHANGES
* tajo-common/src/main/java/org/apache/tajo/datum/TextDatum.java
> 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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