Yongzhi Chen has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14234 )

Change subject: IMPALA-7637: Add more hash table stats to profile
......................................................................


Patch Set 3:

(6 comments)

Patch 4 addresses review issues.

http://gerrit.cloudera.org:8080/#/c/14234/3/be/src/exec/hash-table.h
File be/src/exec/hash-table.h:

http://gerrit.cloudera.org:8080/#/c/14234/3/be/src/exec/hash-table.h@643
PS3, Line 643: // Create profile and counters for HashTable stats and add to 
parent profile.
             :   /// Returns a HashTableStatsProfile object.
> would be good to document that this actually makes a child profile called "
Done


http://gerrit.cloudera.org:8080/#/c/14234/3/be/src/exec/hash-table.h@645
PS3, Line 645: CreateAndAddToProfile
> I'd suggest returning a unique_ptr, and using an unique_ptr to store it - t
Done


http://gerrit.cloudera.org:8080/#/c/14234/3/be/src/exec/hash-table.h@651
PS3, Line 651: StatsCountersAdd
> Not sure I follow, once the HashTable is closed, the internal counters are
But not all the close of hashtable should trigger the counters adding. I add 
more comments to explain the related case.


http://gerrit.cloudera.org:8080/#/c/14234/3/tests/query_test/test_observability.py
File tests/query_test/test_observability.py:

http://gerrit.cloudera.org:8080/#/c/14234/3/tests/query_test/test_observability.py@677
PS3, Line 677: a
> Done
Done


http://gerrit.cloudera.org:8080/#/c/14234/3/tests/query_test/test_observability.py@688
PS3, Line 688: execute_query
> Done
Done


http://gerrit.cloudera.org:8080/#/c/14234/3/tests/query_test/test_observability.py@691
PS3, Line 691:
> Done
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1fd875dd1af8031242fd5f5ff554d3a71aaa6f87
Gerrit-Change-Number: 14234
Gerrit-PatchSet: 3
Gerrit-Owner: Yongzhi Chen <yc...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Sahil Takiar <stak...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Yongzhi Chen <yc...@cloudera.com>
Gerrit-Comment-Date: Fri, 20 Sep 2019 13:24:48 +0000
Gerrit-HasComments: Yes

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