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From Antonio Gomes Rodrigues <ra0...@gmail.com>
Subject Re: Use of https://github.com/HdrHistogram/HdrHistogram
Date Sat, 06 May 2017 14:10:00 GMT
+1

2017-05-06 15:57 GMT+02:00 Maxime Chassagneux <maxime.chassagneux@gmail.com>
:

> +1 : lgtm
>
> 2017-05-06 15:41 GMT+02:00 Philippe Mouawad <p.mouawad@ubik-ingenierie.com
> >:
>
> > Hello,
> > A user recently reported a bug on StatCalculator class:
> >
> >    - https://bz.apache.org/bugzilla/show_bug.cgi?id=61071
> >
> > It appears issue is not restrained to Median but concerns  percentile
> > computing.
> >
> > Besides, this class has many drawbacks:
> >
> >    - It is not tested as much as it should be
> >    - It relies on an algorithm that consumes memory
> >
> > We use another class in Web/Dashboard report and BackendListener client
> > implementations that relies on commons-math
> > org.apache.commons.math3.stat.descriptive.DescriptiveStatistics.
> >
> > My proposal is the following:
> >
> >    - First step : Introduce in StatCalculator, HdrHistogram
> >    - Second step : Replace DescriptiveStatistics by HdrHistogram
> >
> >
> > Benefits:
> >
> >    - Uniform computing accross JMeter
> >    - Better performances
> >
> > Are you ok with this approach ?
> >
> > Thanks
> > --
> > Regards.
> > Philippe Mouawad.
> > Ubik-Ingénierie
> >
>

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