Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/22249 )

Change subject: IMPALA-13201: System Table Queries Execute When Admission 
Queues are Full
......................................................................


Patch Set 8:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/22249/8/be/src/scheduling/cluster-membership-mgr.h
File be/src/scheduling/cluster-membership-mgr.h:

http://gerrit.cloudera.org:8080/#/c/22249/8/be/src/scheduling/cluster-membership-mgr.h@115
PS8, Line 115:     ExecutorGroup all_coordinators;
This is an optimization to avoid having to iterate all backends to construct 
the list of coordinators?


http://gerrit.cloudera.org:8080/#/c/22249/8/be/src/scheduling/cluster-membership-mgr.cc
File be/src/scheduling/cluster-membership-mgr.cc:

http://gerrit.cloudera.org:8080/#/c/22249/8/be/src/scheduling/cluster-membership-mgr.cc@202
PS8, Line 202:     _removeCoordIfExists(state, be);
Why remove and re-add, rather than add only if it's absent or make AddExecutor 
idempotent? Concurrency issue?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I5e0e64db92bdbf80f8b5bd85d001ffe4c8c9ffda
Gerrit-Change-Number: 22249
Gerrit-PatchSet: 8
Gerrit-Owner: Jason Fehr <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Andrew Sherman <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Jason Fehr <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Comment-Date: Tue, 04 Feb 2025 21:41:36 +0000
Gerrit-HasComments: Yes

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