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https://issues.apache.org/jira/browse/TAJO-1055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154964#comment-14154964
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Hudson commented on TAJO-1055:
------------------------------
FAILURE: Integrated in Tajo-block_iteration-branch-build #13 (See
[https://builds.apache.org/job/Tajo-block_iteration-branch-build/13/])
TAJO-1055: ExecutorPreCompiler does not cache correctly compiled
TupleComparators. (hyunsik: rev a5e27a2932aeb71d5f5e2c36a3f9eeb287d3bbfa)
* tajo-storage/src/main/java/org/apache/tajo/storage/BaseTupleComparator.java
*
tajo-core/src/main/java/org/apache/tajo/engine/codegen/ExecutorPreCompiler.java
> ExecutorPreCompiler does not cache correctly compiled TupleComparators.
> -----------------------------------------------------------------------
>
> Key: TAJO-1055
> URL: https://issues.apache.org/jira/browse/TAJO-1055
> Project: Tajo
> Issue Type: Bug
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Priority: Minor
> Labels: block_iteration
> Fix For: block_iteration
>
>
> ExecutorPreCompiler compiles and caches TupleComparator in CompilationContext
> for sort operations. But, the current implementation misuses hash key, so it
> tries to compile TupleComparator for each sort operation. As a result, it
> causes concurrency problems.
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