[jira] [Created] (IMPALA-8707) Consider adding local aggregation step for mt_dop plans

[Tim Armstrong (JIRA)]

Tim Armstrong created IMPALA-8707:
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             Summary: Consider adding local aggregation step for mt_dop plans
                 Key: IMPALA-8707
                 URL: https://issues.apache.org/jira/browse/IMPALA-8707
             Project: IMPALA
          Issue Type: Sub-task
          Components: Backend
            Reporter: Tim Armstrong


We could do a extra local aggregation in cases where it would reduce the amount 
of data sent across the network.



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