Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/19033 )

Change subject: IMPALA-11604 Planner changes for CPU usage
......................................................................


Patch Set 33:

Summary for changes in ps33:
- Restore import order
- Refactor scan and exchange cost
- Fix sign bugs in getMaxParallelism()
- Compute ProcessingCost in its own Planner method just before computing 
resource profile.
- Replace expected_num_cores with num_cores_per_executor in TExecutorGroupSet.
- Add BroadcastProcessingCost.
- Allow backend to schedule fragment instance count independently between 
adjacent fragment.
- Add TestTpcdsQueryWithProcessingCost.
- Drop EXPLAIN_PROCESSING_COST. Only display ProcessingCost in 
EXPLAIN_LEVEL=VERBOSE.
- Add PROCESSING_COST_ALLOW_INSTANCE_INCREMENT option.


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If32dc770dfffcdd0be2b5555a789a7720952c68a
Gerrit-Change-Number: 19033
Gerrit-PatchSet: 33
Gerrit-Owner: Qifan Chen <qfc...@hotmail.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Kurt Deschler <kdesc...@cloudera.com>
Gerrit-Reviewer: Qifan Chen <qfc...@hotmail.com>
Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Comment-Date: Tue, 24 Jan 2023 17:23:44 +0000
Gerrit-HasComments: No

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