Quanlong Huang has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/18533 )

Change subject: IMPALA-11295: deflake TestParquet.test_multiple_blocks_mt_dop
......................................................................


Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/18533/1/tests/query_test/test_scanners.py
File tests/query_test/test_scanners.py:

http://gerrit.cloudera.org:8080/#/c/18533/1/tests/query_test/test_scanners.py@a698
PS1, Line 698:
> Was this an invalid assumption, or did it change at some point?
Good question. I think it's an invalid assumption but I'm not pretty sure about 
this. I'll look into more details about this.


http://gerrit.cloudera.org:8080/#/c/18533/1/tests/query_test/test_scanners.py@699
PS1, Line 699:       # Again skip the Averaged Fragment; it comes first in the 
runtime profile.
> If ranges_complete_list starts with an Averaged Fragment, it's not clear to
Sorry that I should have added more comments. The host list is extracted for 
each fragment instance. There are 7 instances. The first one is the coordinator 
fragment instance which doesn't have the ScanRangesComplete counter, so we can 
skip it. The other 6 instances are all the scan fragment. The profile is 
attached at 
https://issues.apache.org/jira/secure/attachment/13043781/test_multiple_blocks_mt_dop.profile.txt

Added more comments in the next patch set.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I16c576c41a212f83dda82a83931ab336a78a41e4
Gerrit-Change-Number: 18533
Gerrit-PatchSet: 1
Gerrit-Owner: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Michael Smith <michael.sm...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Comment-Date: Wed, 18 May 2022 02:12:23 +0000
Gerrit-HasComments: Yes

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