Tim Armstrong created IMPALA-9027:
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             Summary: Update planner decisions to factor in mt_dop
                 Key: IMPALA-9027
                 URL: https://issues.apache.org/jira/browse/IMPALA-9027
             Project: IMPALA
          Issue Type: Sub-task
          Components: Frontend
            Reporter: Tim Armstrong


We need to make sure all decisions in the planner that currently use number of 
nodes use number of instances if appropriate.

E.g.
* HashJoinNode.computeNodeResourceProfile() has a TODO.
* I think the broadcast/shuffle decision doesn't take into account mt_dop, 
which is wrong if we're broadcasting to multiple instances per fragment.



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