Aman Sinha has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23258 )

Change subject: IMPALA-14263: Add broadcast_cost_scale to tweak broadcast join 
cost
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/23258/3/common/thrift/ImpalaService.thrift
File common/thrift/ImpalaService.thrift:

http://gerrit.cloudera.org:8080/#/c/23258/3/common/thrift/ImpalaService.thrift@1046
PS3, Line 1046:   BROADCAST_COST_SCALE = 194
Can we call this 'broadcast_cost_scale_factor'  to be consistent with the 
naming of other similar multiplicative factor ? The name ending with _scale 
gives the impression of a size (as in tpcds scale).


http://gerrit.cloudera.org:8080/#/c/23258/3/testdata/workloads/functional-planner/queries/PlannerTest/tpcds-dist-method.test
File 
testdata/workloads/functional-planner/queries/PlannerTest/tpcds-dist-method.test:

http://gerrit.cloudera.org:8080/#/c/23258/3/testdata/workloads/functional-planner/queries/PlannerTest/tpcds-dist-method.test@603
PS3, Line 603: ---- PLAN
Since this test is only relevant for distributed plan, is it necessary to 
capture the single node plan or should this section be skipped ? I am ok if you 
want to keep it for some reason.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I475f8a26b2171e87952b69f66a5c18f77c2b3133
Gerrit-Change-Number: 23258
Gerrit-PatchSet: 3
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Wenzhe Zhou <[email protected]>
Gerrit-Comment-Date: Wed, 06 Aug 2025 02:54:10 +0000
Gerrit-HasComments: Yes

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