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From Deepak Shetty <shet...@gmail.com>
Subject Re: How is the data calculated for the Backend Listener
Date Thu, 23 Jun 2016 22:07:33 GMT
Number of samples.

On Thu, Jun 23, 2016 at 3:05 PM, MFP 4 Work <mfpdotim@gmail.com> wrote:

> Thank you for the info.  Can you tell me if the number is in
> milliseconds or some other measurement?
>
> On Wed, Jun 22, 2016 at 8:09 PM, Deepak Shetty <shettyd@gmail.com> wrote:
> > I believe this is configured by the following property in
> jmeter.properties
> >
> > #
> > # Backend metrics sliding window size for Percentiles, Min, Max
> > #backend_metrics_window=100
> >
> > and works using this class
> >
> http://commons.apache.org/proper/commons-math/apidocs/org/apache/commons/math3/stat/descriptive/DescriptiveStatistics.html
> >
> > which calculates the min/max based on the window
> >
> >
> > On Wed, Jun 22, 2016 at 2:00 PM, MFP 4 Work <mfpdotim@gmail.com> wrote:
> >
> >> I am running my tests on a server and using the Backend Listener to
> >> get the data to Grafana.  There are a number of metrics on the
> >> http://jmeter.apache.org/usermanual/realtime-results.html page that
> >> are not clear to me.  For example
> >> <rootMetricsPrefix><samplerName>.ok.min, is this per some time
> >> interval or for the over all test.  That is to say is this the minimum
> >> response time for the past X number of API calls, or is this the
> >> minimum of all the API call since I started the test.  The same
> >> question applies to ok.max, ko.min, etc.  Does anyone know how these
> >> values are calculated?  And for the percentile values, are the the
> >> percentile of the past few samples, or an aggregate of all samples.
> >>
> >>
> >> Thank you for your help.
> >>
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