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Posted to reviews@kudu.apache.org by "Todd Lipcon (Code Review)" <ge...@cloudera.org> on 2018/02/01 03:38:24 UTC

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Hello Will Berkeley, Mike Percy,

I'd like you to do a code review. Please visit

    http://gerrit.cloudera.org:8080/9177

to review the following change.


Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................

KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

This avoids a big dump of zero-valued metrics at startup.

Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
---
M src/kudu/server/server_base.cc
M src/kudu/util/metrics-test.cc
M src/kudu/util/metrics.cc
M src/kudu/util/metrics.h
4 files changed, 69 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/77/9177/1
-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 1
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Todd Lipcon (Code Review)" <ge...@cloudera.org>.
Todd Lipcon has posted comments on this change. ( http://gerrit.cloudera.org:8080/9177 )

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................


Patch Set 3: Code-Review+2

carrying +2


-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 3
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>
Gerrit-Comment-Date: Tue, 06 Feb 2018 07:58:38 +0000
Gerrit-HasComments: No

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Todd Lipcon (Code Review)" <ge...@cloudera.org>.
Todd Lipcon has posted comments on this change. ( http://gerrit.cloudera.org:8080/9177 )

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/9177/1/src/kudu/util/metrics.h
File src/kudu/util/metrics.h:

http://gerrit.cloudera.org:8080/#/c/9177/1/src/kudu/util/metrics.h@434
PS1, Line 434: gauges may be non-zero and then reset to zero
> aren't there counters we increment by negative amounts
nope, that's not allowed/encouraged -- CM at least assumes that if a counter goes down, it means it restarted, and adds the new value to the previously-seen value.



-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 1
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>
Gerrit-Comment-Date: Sat, 03 Feb 2018 01:08:05 +0000
Gerrit-HasComments: Yes

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Will Berkeley (Code Review)" <ge...@cloudera.org>.
Will Berkeley has posted comments on this change. ( http://gerrit.cloudera.org:8080/9177 )

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................


Patch Set 2: Code-Review+2

(1 comment)

http://gerrit.cloudera.org:8080/#/c/9177/1/src/kudu/util/metrics.h
File src/kudu/util/metrics.h:

http://gerrit.cloudera.org:8080/#/c/9177/1/src/kudu/util/metrics.h@434
PS1, Line 434: f 0. Note that some metrics with the value 0 
aren't there counters we increment by negative amounts



-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 2
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>
Gerrit-Comment-Date: Fri, 02 Feb 2018 20:45:41 +0000
Gerrit-HasComments: Yes

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Mike Percy (Code Review)" <ge...@cloudera.org>.
Mike Percy has posted comments on this change. ( http://gerrit.cloudera.org:8080/9177 )

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................


Patch Set 4: Code-Review+2


-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 4
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>
Gerrit-Comment-Date: Tue, 06 Feb 2018 08:05:43 +0000
Gerrit-HasComments: No

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Todd Lipcon (Code Review)" <ge...@cloudera.org>.
Hello Will Berkeley, Mike Percy, Kudu Jenkins, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/9177

to look at the new patch set (#3).

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................

KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

This avoids a big dump of zero-valued metrics at startup.

Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
---
M src/kudu/server/server_base.cc
M src/kudu/util/metrics-test.cc
M src/kudu/util/metrics.cc
M src/kudu/util/metrics.h
4 files changed, 68 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/77/9177/3
-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 3
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>

[kudu-CR] KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

Posted by "Todd Lipcon (Code Review)" <ge...@cloudera.org>.
Todd Lipcon has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/9177 )

Change subject: KUDU-2279 (part 3): metrics: don't emit untouched metrics to log
......................................................................

KUDU-2279 (part 3): metrics: don't emit untouched metrics to log

This avoids a big dump of zero-valued metrics at startup.

Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Reviewed-on: http://gerrit.cloudera.org:8080/9177
Tested-by: Kudu Jenkins
Reviewed-by: Todd Lipcon <to...@apache.org>
---
M src/kudu/server/server_base.cc
M src/kudu/util/metrics-test.cc
M src/kudu/util/metrics.cc
M src/kudu/util/metrics.h
4 files changed, 68 insertions(+), 3 deletions(-)

Approvals:
  Kudu Jenkins: Verified
  Todd Lipcon: Looks good to me, approved

-- 
To view, visit http://gerrit.cloudera.org:8080/9177
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I92d2c4640e54c91791fab9c420215bafa3fe8f20
Gerrit-Change-Number: 9177
Gerrit-PatchSet: 4
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Will Berkeley <wd...@gmail.com>