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https://issues.apache.org/jira/browse/ZOOKEEPER-2979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449782#comment-16449782
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ASF GitHub Bot commented on ZOOKEEPER-2979:
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Github user anmolnar commented on the issue:
https://github.com/apache/zookeeper/pull/440
@phunt right, I misunderstood your comment.
I think not merging this patch to 3.4 is acceptable, but I'd argue with
3.5/3.6 a little bit. Given that how much time is needed to release a major
version of ZooKeeper - even if we're successful at accelerating a little bit -
I'm afraid this patch won't see a stable release in the foreseeable future.
That's my only reason why I'd put this into 3.5 and keep the dumb
implementation (last/min/max) in 3.4.
> 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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