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https://issues.apache.org/jira/browse/TAJO-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392238#comment-14392238
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Hudson commented on TAJO-1407:
------------------------------
ABORTED: Integrated in Tajo-master-CODEGEN-build #281 (See
[https://builds.apache.org/job/Tajo-master-CODEGEN-build/281/])
TAJO-1460 Apply TAJO-1407 to ExternalSortExec (babokim: rev
6e7f1c7b0561c7299a498b81dfb6148883a76a0d)
*
tajo-core/src/test/resources/results/TestJoinQuery/testComplexJoinCondition7.result
*
tajo-core/src/test/resources/queries/TestJoinBroadcast/testCrossJoinWithAsterisk3.sql
*
tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/AbstractScanner.java
*
tajo-core/src/test/resources/queries/TestJoinQuery/testComplexJoinCondition7.sql
*
tajo-core/src/test/resources/queries/TestJoinBroadcast/testCrossJoinWithAsterisk4.sql
*
tajo-core/src/test/resources/queries/TestJoinQuery/testCrossJoinWithAsterisk3.sql
* CHANGES
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/TupleSorter.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/ComparableVector.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/ExternalSortExec.java
*
tajo-core/src/test/resources/queries/TestJoinQuery/testCrossJoinWithAsterisk4.sql
*
tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/MemoryUtil.java
*
tajo-core/src/test/resources/queries/TestJoinBroadcast/testCrossJoinWithAsterisk2.sql
*
tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestTupleSorter.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/MemSortExec.java
* tajo-core/src/test/resources/queries/TestJoinQuery/testJoinWithJson.json
*
tajo-core/src/test/resources/queries/TestJoinQuery/testCrossJoinWithAsterisk2.sql
*
tajo-core/src/test/resources/queries/TestJoinBroadcast/testCrossJoinWithAsterisk1.sql
*
tajo-core/src/test/resources/queries/TestJoinQuery/testCrossJoinWithAsterisk1.sql
* tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/SortExec.java
*
tajo-core/src/test/java/org/apache/tajo/engine/planner/physical/TestExternalSortExec.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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