Quanlong Huang has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24592 )

Change subject: IMPALA-15189: Support HBO for SortNode cardinality
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Patch Set 10:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/24592/6/fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java
File fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java:

http://gerrit.cloudera.org:8080/#/c/24592/6/fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java@1352
PS6, Line 1352:       analyticFragment.addPlanRoot(upperTopN);
> I'd soften "harmless" here. ExchangeNode copies the local Top-N cardinality
Since it's an existing issue, let's track it separately. Thanks for filing 
IMPALA-15326 for this!



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ib829887a91593bee124d56e661e714575fe3be97
Gerrit-Change-Number: 24592
Gerrit-PatchSet: 10
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Aleksandr Efimov <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Comment-Date: Tue, 08 Sep 2026 11:27:50 +0000
Gerrit-HasComments: Yes

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