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From "Andor Molnar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2979) Use dropwizard library histogram for proposal-related metrics
Date Mon, 12 Feb 2018 15:10:00 GMT
Andor Molnar created ZOOKEEPER-2979:
---------------------------------------

             Summary: 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
    Affects Versions: 3.4.11, 3.5.3, 3.6.0
            Reporter: Andor Molnar
            Assignee: Andor Molnar


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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