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From: Paul Power <paul.power@openjawtech.com>
Date: Mon, 8 May 2017 12:09:55 +0100
Message-ID: <CAAT_9q1bkS-UDMsuaXmqfJT2fdmTnXBA=FWrjf+9xBL-BEC2tw@mail.gmail.com>
Subject: Re: Mismatch between numbers in Aggregate Report and InfluxDB via
 backend listener
To: JMeter Users List <user@jmeter.apache.org>
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archived-at: Mon, 08 May 2017 11:10:32 -0000

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90%: 1593.9 in InfluxDb,  1735 in Aggregate Report
95%: 1631.9 in InfluxDb,  2542 in Aggregate Report
99%: 1646.93 in InfluxDB,  3256 in Aggregate Report

Max is 3622 for this run

Regards,
Paul

On 8 May 2017 at 10:47, Maxime Chassagneux <maxime.chassagneux@gmail.com>
wrote:

> Hi,
>
> Perfect for mean, max and min metrics ! Now for percentile, timeboxed don=
't
> makes sense, so we use a large sliding window ( 50 000 as you set ).
> I have to check in report what method is use to percentile.
>
> The difference is important in your result ?
>
> 2017-05-08 9:03 GMT+02:00 Paul Power <paul.power@openjawtech.com>:
>
> > Many thanks Maxime:
> >
> > I made these changes:
> >
> > backend_metrics_window_mode=3Dtimed
> > backend_metrics_large_window=3D50000
> >
> > The average, max and min are now correct.  The 90%, 95% and 99% values
> are
> > still wrong.
> >
> > Regards,
> > Paul
> >
> >
> >
> >
> > On 5 May 2017 at 16:26, Maxime Chassagneux <maxime.chassagneux@gmail.co=
m
> >
> > wrote:
> >
> > > Hi,
> > >
> > > Try to change the window mode of the backend metric to time boxed (
> i.e
> > in
> > > jmeter.properties and see "BackendListener - configuration" section )=
.
> > > So each 5 seconds, all metrics are send to influxdb and reset. ( no
> > > aggregation in a  slidding window array )
> > >
> > > --
> > > Maxime
> > >
> > >
> > >
> > > 2017-05-05 15:16 GMT+02:00 Paul Power <paul.power@openjawtech.com>:
> > >
> > > > Hi:
> > > >
> > > > In JMeter 3.2 I am running a simple HTTP POST json test on my own P=
C
> > > > against processes also running on my PC. In total 150 requests are
> > sent.
> > > >
> > > > I am still developing the test so I have both an Aggregate Report a=
nd
> > > > Backend listener.
> > > >
> > > > My problem is that the numbers do not match e.g.
> > > >
> > > > Average is 1566ms in Aggregate Report and 1649 in InfluxDB.
> > > > The max is 1850ms in both, but the min is 147 in Aggregate Report a=
nd
> > > 1122
> > > > in InfluxDB.
> > > >
> > > > Is this a problem or do the number have different meanings?
> > > >
> > > > UIltimately I want to disable/remove the Aggregate Report.
> > > >
> > > > =E2=80=8BAll help gratefully received
> > > > ,
> > > > Paul
> > > >
> > > > --
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--=20
*The information in this e-mail and any attachments is confidential. It is=
=20
intended solely for the addressee(s) named above. If you are not an=20
intended recipient, please notify the sender and delete the message and any=
=20
attachments from your system. Any use, copying or disclosure of the=20
contents is unauthorised unless expressly permitted. Any views expressed in=
=20
this message are those of the sender unless expressly stated to be those of=
=20
OpenJaw. Virus checking of emails and attachments is the responsibility of=
=20
the recipient and OpenJaw cannot accept responsibility for any loss or=20
damage arising from the use of this email or attachments. OpenJaw=20
Technologies Limited is a limited company registered in Ireland having=20
registration number 353613 and registered office at Grattan Bridge House, 1=
=20
Ormond Quay Upper, Dublin 7.*

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