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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2979) Use dropwizard library histogram for proposal-related metrics
Date Mon, 07 May 2018 06:48:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16465494#comment-16465494
] 

Hadoop QA commented on ZOOKEEPER-2979:
--------------------------------------

-1 overall.  GitHub Pull Request  Build
      

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 16 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 3.0.1) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1662//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1662//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1662//console

This message is automatically generated.

> Use dropwizard library histogram for proposal-related metrics
> -------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2979
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2979
>             Project: ZooKeeper
>          Issue Type: Sub-task
>          Components: server
>            Reporter: Andor Molnar
>            Assignee: Andor Molnar
>            Priority: Major
>
> This Jira in intended to be the successor of ZOOKEEPER-2939.
> By using dropwizard library's Histogram component we'll be able to provide more sophisticated
statistics on Proposal sizes.
> From the docs:
> "A histogram measures the statistical distribution of values in a stream of data. In
addition to minimum, maximum, mean, etc., it also measures median, 75th, 90th, 95th, 98th,
99th, and 99.9th percentiles."
> [http://metrics.dropwizard.io/3.1.0/manual/core/#histograms]



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