Kurt Deschler has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20377 )

Change subject: IMPALA-12385: Enable Periodic metrics by default
......................................................................


Patch Set 1:

(5 comments)

http://gerrit.cloudera.org:8080/#/c/20377/1//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/20377/1//COMMIT_MSG@12
PS1, Line 12: resource_trace_ratio to 1
> https://issues.apache.org/jira/browse/IMPALA-7694 seems to posit that it mi
Riza had the same concern so I did additional testing. We will re-visit if any 
problems are observed.


http://gerrit.cloudera.org:8080/#/c/20377/1//COMMIT_MSG@13
PS1, Line 13: -Use samplng counters which can automatically resize for long 
queries
> nit: type in samplng
Done


http://gerrit.cloudera.org:8080/#/c/20377/1//COMMIT_MSG@14
PS1, Line 14: -Reduce metric interval to 50ms to support short-running queries
> Can you add an example of how this shows up in a Profile?
Done


http://gerrit.cloudera.org:8080/#/c/20377/6/be/src/util/runtime-profile-counters.h
File be/src/util/runtime-profile-counters.h:

http://gerrit.cloudera.org:8080/#/c/20377/6/be/src/util/runtime-profile-counters.h@822
PS6, Line 822: };
> nit: this formatting doesn't seem consistent with our usual style.
Done


http://gerrit.cloudera.org:8080/#/c/20377/6/tests/query_test/test_observability.py
File tests/query_test/test_observability.py:

http://gerrit.cloudera.org:8080/#/c/20377/6/tests/query_test/test_observability.py@549
PS6, Line 549:       # We check for 500ms because a query with 1s duration 
won't hit the 64 values limit
> Comment should say 50ms now.
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ic8e5cbfd4b324081158574ceb8f4b3a062a69fd1
Gerrit-Change-Number: 20377
Gerrit-PatchSet: 1
Gerrit-Owner: Kurt Deschler <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: David Rorke <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Kurt Deschler <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Surya Hebbar <[email protected]>
Gerrit-Comment-Date: Sat, 09 Sep 2023 12:10:08 +0000
Gerrit-HasComments: Yes

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