jmeter-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Philippe Mouawad <philippe.moua...@gmail.com>
Subject Re: Use of https://github.com/HdrHistogram/HdrHistogram
Date Sat, 20 May 2017 14:28:50 GMT
Hello,
Any other thoughts ?

Thanks

On Saturday, May 6, 2017, Antonio Gomes Rodrigues <ra0077@gmail.com> wrote:

> +1
>
> 2017-05-06 15:57 GMT+02:00 Maxime Chassagneux <
> maxime.chassagneux@gmail.com <javascript:;>>
> :
>
> > +1 : lgtm
> >
> > 2017-05-06 15:41 GMT+02:00 Philippe Mouawad <
> p.mouawad@ubik-ingenierie.com <javascript:;>
> > >:
> >
> > > 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
> > >
> >
>


-- 
Cordialement.
Philippe Mouawad.

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message