Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/18126 )

Change subject: IMPALA-11068: Add tuning flag to reduce scanner thread launch.
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/18126/1/be/src/runtime/scanner-mem-limiter.cc
File be/src/runtime/scanner-mem-limiter.cc:

http://gerrit.cloudera.org:8080/#/c/18126/1/be/src/runtime/scanner-mem-limiter.cc@90
PS1, Line 90:       addtl_consumption += static_cast<int64_t>(consumption * 
0.5);
> I agree that making this tunable via query option is better. It will result
After some internal discussion, we come up with conclusion that query option is 
be the best way to tune this. I'll implement it in next patch set.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I03cadf1230eed00d69f2890c82476c6861e37466
Gerrit-Change-Number: 18126
Gerrit-PatchSet: 1
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Kurt Deschler <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Comment-Date: Mon, 10 Jul 2023 17:07:29 +0000
Gerrit-HasComments: Yes

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