[jira] [Created] (HIVE-13293) Query occurs performance degradation after enabling parallel order by for Hive on sprak

[Lifeng Wang (JIRA)]

Lifeng Wang created HIVE-13293:
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             Summary: Query occurs performance degradation after enabling 
parallel order by for Hive on sprak
                 Key: HIVE-13293
                 URL: https://issues.apache.org/jira/browse/HIVE-13293
             Project: Hive
          Issue Type: Bug
          Components: Spark
    Affects Versions: 2.0.0
            Reporter: Lifeng Wang
            Assignee: Xuefu Zhang


I use TPCx-BB to do some performance test on Hive on Spark engine. And found 
query 10 has performance degradation when enabling parallel order by.



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