Adar Dembo has posted comments on this change.

Change subject: Add tablet state summary metrics and fix KUDU-2044
......................................................................


Patch Set 4:

(3 comments)

There's a real TSAN failure, though perhaps it's not related to your change. 
Hard to say.

http://gerrit.cloudera.org:8080/#/c/7618/4/src/kudu/tserver/ts_tablet_manager.cc
File src/kudu/tserver/ts_tablet_manager.cc:

Line 104: DEFINE_int32(tablet_state_walk_min_period_ms, 1000,
Maybe higher? 5 or 10s?


Line 107: TAG_FLAG(tablet_state_walk_min_period_ms, advanced);
Probably experimental, I can't imagine someone actually modifying this in 
reality.


http://gerrit.cloudera.org:8080/#/c/7618/4/src/kudu/tserver/ts_tablet_manager.h
File src/kudu/tserver/ts_tablet_manager.h:

PS4, Line 303:   int NumNotStartedTablets();
             : 
             :   int NumBootstrappingTablets();
             : 
             :   int NumRunningTablets();
             : 
             :   int NumFailedTablets();
             : 
             :   int NumQuiescingTablets();
             : 
             :   int NumShutdownTablets();
Nit: maybe don't separate these with empty lines, so it's clear that the 
comment applies to all of them?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I8c82987ffe4f37e8af95972bde97841e44c521d9
Gerrit-PatchSet: 4
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Will Berkeley <wdberke...@gmail.com>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mpe...@apache.org>
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Will Berkeley <wdberke...@gmail.com>
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