Andrew Sherman has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/18142 )

Change subject: IMPALA-11063: Add metrics to expose state of each executor 
group set
......................................................................


Patch Set 1: Code-Review+1

(2 comments)

LGTM, see small worry

http://gerrit.cloudera.org:8080/#/c/18142/1/be/src/scheduling/cluster-membership-mgr.cc
File be/src/scheduling/cluster-membership-mgr.cc:

http://gerrit.cloudera.org:8080/#/c/18142/1/be/src/scheduling/cluster-membership-mgr.cc@64
PS1, Line 64: static const string LIVE_EXEC_GROUP_KEY_FORMAT(
Nit: This is not incorrect, but "cluster-membership.executor-groups.total.$0" 
shares a prefix with "cluster-membership.executor-groups.total" and that's the 
sort of thing that could tickle autoscaler bugs where code uses prefixes to 
fetch metrics.


http://gerrit.cloudera.org:8080/#/c/18142/1/tests/custom_cluster/test_executor_groups.py
File tests/custom_cluster/test_executor_groups.py:

http://gerrit.cloudera.org:8080/#/c/18142/1/tests/custom_cluster/test_executor_groups.py@134
PS1, Line 134:       metric_name += "." + exec_group_set_prefix
This is where the code I marked with a Nit is actually useful



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ib39f940de830ef6302785aee30eeb847fa5deeba
Gerrit-Change-Number: 18142
Gerrit-PatchSet: 1
Gerrit-Owner: Bikramjeet Vig <bikramjeet....@cloudera.com>
Gerrit-Reviewer: Andrew Sherman <asher...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Comment-Date: Wed, 12 Jan 2022 18:04:18 +0000
Gerrit-HasComments: Yes

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