Wenzhe Zhou has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/19630 )

Change subject: IMPALA-8731: Balance queries across multiple executor groups
......................................................................


Patch Set 5:

(6 comments)

http://gerrit.cloudera.org:8080/#/c/19630/5//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/19630/5//COMMIT_MSG@12
PS5, Line 12: '-balance_queries_across_executor_groups=true'.
Please mention it's off by default


http://gerrit.cloudera.org:8080/#/c/19630/5/be/src/scheduling/admission-controller.cc
File be/src/scheduling/admission-controller.cc:

http://gerrit.cloudera.org:8080/#/c/19630/5/be/src/scheduling/admission-controller.cc@2569
PS5, Line 2569:   }
add DCHECK with total_mem_limit - agg_effective_mem_reserved >= 0 and 
total_slots - agg_slots_in_use >= 0


http://gerrit.cloudera.org:8080/#/c/19630/5/be/src/scheduling/admission-controller.cc@2603
PS5, Line 2603: (mem_reserved, slots_in_use)
available memory and slots in descending order


http://gerrit.cloudera.org:8080/#/c/19630/5/be/src/scheduling/admission-controller.cc@2606
PS5, Line 2606: GetAvailableMemAndSlots(*a) > GetAvailableMemAndSlots(*b)
For available memory and slots, which has high priority? Should we compare them 
separately?


http://gerrit.cloudera.org:8080/#/c/19630/5/tests/custom_cluster/test_executor_groups.py
File tests/custom_cluster/test_executor_groups.py:

http://gerrit.cloudera.org:8080/#/c/19630/5/tests/custom_cluster/test_executor_groups.py@903
PS5, Line 903:     coordinators and multiple executor groups mapped to the same 
resource pool."""
Could you add more detail for this test?


http://gerrit.cloudera.org:8080/#/c/19630/5/tests/custom_cluster/test_executor_groups.py@906
PS5, Line 906:
nit: indentation



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I25e851fb57c1d820c25cef5316f4ed800e4c6ac5
Gerrit-Change-Number: 19630
Gerrit-PatchSet: 5
Gerrit-Owner: Yifan Zhang <chinazhangyi...@163.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Comment-Date: Fri, 24 Mar 2023 01:22:40 +0000
Gerrit-HasComments: Yes

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