Janaki Lahorani created IMPALA-8081:
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             Summary: Use appropriate degree of parallelism
                 Key: IMPALA-8081
                 URL: https://issues.apache.org/jira/browse/IMPALA-8081
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Janaki Lahorani


The Degree of Parallelism should be appropriate for the operation being 
performed.  It looks like it is currently either serial, or use as many 
resources as possible.  Sometimes over parallelizing can result in bad 
performance.



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