Aman Sinha has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/16842 )

Change subject: IMPALA-10377 Improve the accuracy of resource estimation 
PlanNode does not consider some factors when estimating memory, this will cause 
a large error rate
......................................................................


Patch Set 3:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/16842/3/testdata/workloads/functional-planner/queries/PlannerTest/topn-bytes-limit.test
File 
testdata/workloads/functional-planner/queries/PlannerTest/topn-bytes-limit.test:

http://gerrit.cloudera.org:8080/#/c/16842/3/testdata/workloads/functional-planner/queries/PlannerTest/topn-bytes-limit.test@11
PS3, Line 11:    HDFS partitions=4/4 files=4 size=460B
Thanks for your patch. Since there was no meaningful change in resource 
estimates in these tests (and several other files like this), would you mind 
creating the patch without the superficial changes (the 'HDFS' string is 
unfortunately added .. not because of your changes).  It would reduce the noise 
and help the review process.  For the test files that contain any relevant 
change (in the HashJoin, Sort etc.) you can leave the HDFS change as-is since 
those files are anyways getting modified.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ic01db168ff2c6d6de33ee553a8175599f035d7a1
Gerrit-Change-Number: 16842
Gerrit-PatchSet: 3
Gerrit-Owner: liuyao <liu...@sensorsdata.cn>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Bikramjeet Vig <bikramjeet....@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: liuyao <liu...@sensorsdata.cn>
Gerrit-Comment-Date: Mon, 04 Jan 2021 00:20:14 +0000
Gerrit-HasComments: Yes

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