Jaehwa Jung created TAJO-1311:
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Summary: Enable Scattered Hash Shuffle for CTAS statement.
Key: TAJO-1311
URL: https://issues.apache.org/jira/browse/TAJO-1311
Project: Tajo
Issue Type: Improvement
Components: distributed query plan
Reporter: Jaehwa Jung
Assignee: Jaehwa Jung
Fix For: 0.10
Currently, Tajo just use hash shuffle for CTAS statement. If you use large
partitioned table for target table, you will see poor performance of wrong task
number. Thus, we need to calculate the number for the partitioned table with
scattered hash shuffle.
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