Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20498 )

Change subject: IMPALA-12018: Consider runtime filter for cardinality reduction
......................................................................


Patch Set 7:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/20498/6/fe/src/main/java/org/apache/impala/service/Frontend.java
File fe/src/main/java/org/apache/impala/service/Frontend.java:

http://gerrit.cloudera.org:8080/#/c/20498/6/fe/src/main/java/org/apache/impala/service/Frontend.java@1816
PS6, Line 1816:     TQueryExecRequest result = new TQueryExecRequest();
              :     if (options.runtime_filter_cardinality_reduction_scale > 0) 
{
              :       Planner.reduceCardinalityByRuntimeFilter(
              :           planRoots, 
options.runtime_filter_cardinality_reduction_scale);
> This cardinality reduction happen before cost and resource requirement calc
Added RUNTIME_FILTER_CARDINALITY_REDUCTION_SCALE option.



--
To view, visit http://gerrit.cloudera.org:8080/20498
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I033789c9b63a8188484e3afde8e646563918b3e1
Gerrit-Change-Number: 20498
Gerrit-PatchSet: 7
Gerrit-Owner: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Reviewer: Abhishek Rawat <ara...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Daniel Becker <daniel.bec...@cloudera.com>
Gerrit-Reviewer: David Rorke <dro...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Comment-Date: Tue, 14 Nov 2023 21:38:44 +0000
Gerrit-HasComments: Yes

Reply via email to