Hyunsik Choi created TAJO-1055:
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Summary: 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
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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