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Date: Wed, 14 Aug 2013 08:13:16 -0700
Message-ID: 
 <CALLTtjSQQq9RjVkAm6Hx9ByuHERZ==c2qDprjmqpHdUNXGTYZw@mail.gmail.com>
Subject: Re: Loop Count vs Number of Threads
From: umesh prajapati <praumesh86@gmail.com>
To: JMeter Users List <user@jmeter.apache.org>
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when I meant by error, i have assertion on my jmeter test plan. Since it
didnt meet assertion it failed.

@Manish yes that configuration worked when i tried it .

But lets say when i have 250 students and I would like 2000 students to
login in 1 hr. So, basically in 1 minute 33 users login.

Thread group :250
ramp up: 450
loop: 1

If i run the test in this configureation, all the assertion that i have
pass and it shows no error. But If i would like to run this test longer
and I increase the number of loops.


Thread Group: 250
ramp up: 450
loop:3

Now, the assertions that i have do not pass and it shows errror.

I know in my application, one user is not allowed to login multiple times
until the session thats logged in is logged out.

so, I am wondering, when I have loop 3. Does all the loop starts at once?
if so than that is causing my assertion to fail and giving error.

@Flavio I dont need to start all my thread at once, But I would like to
test the real scenario, where 2000 users login in 2 hrs. So, basically 1
min 33 users.


On Wed, Aug 14, 2013 at 5:25 AM, Flavio Cysne <flaviocysne@gmail.com> wrote=
:

> Just test it here with JMeter 2.9.
>
> Threads Group (threads: 5, rampup: 0, loop: 3)
>     - Debug sampler
>         - Gaussian Random Timer (deviation: 400, offset: 600)
>
> Thread Group 1-1 started after Thread Group 1-5 second execution
>
> Loop count is for each thread not for all threads together.
>
> In your case, if you want to all threads start together for each loop
> you'll have to use a different approach:
>
> Synchronizing Timer using all threads
> and to simulate rampup you can use a Constant Timer with this expression:
> ${__javaScript(${__threadNum()}*300)}
> where 300 is the time gap between two threads to start.
> with this the first thread will start at 300ms from test start, second at
> 600ms, third at 900ms, and so on
>
> If you need to use distributed testing with this approach you'll have to
> define a system property for every server (or using a property defined in
> command line) with distinct values.
> For example, if you have 5 machines, the first machine you'll define a
> system property called custom.machine.index=3D1, second machine will have=
 a
> value of 2, and so on.
> Constant timer expression will change slightly:
> ${__javaScript(${__threadNum()}*${__P(custom.machine.index,1)}*300)}
>
> Hope it helps you.
>
>
>
> 2013/8/14 Manish Sapariya <msapariya@gmail.com>
>
> > Does following configuration work?
> >
> > Thread group: 1
> > ramp up: 1
> > loop: 2
> >
> > Thanks and Regards,
> > Manish
> > kPoint wins *Global eLearning
> > Award<
> http://www.kpoint.com/kpoint-wins-learntech-global-e-learning-award/
> > >
> > * in =93Learning Technologies Solution=94!
> >
> >
> > On Wed, Aug 14, 2013 at 4:41 AM, umesh prajapati <praumesh86@gmail.com
> > >wrote:
> >
> > > My second thought is, if loop is not the issue, is jmeter cookie kill=
er
> > not
> > > clearing my cookies session each iteration??
> > >
> > >
> > > On Tue, Aug 13, 2013 at 4:03 PM, guru <praumesh86@gmail.com> wrote:
> > >
> > > > I have question regarding loop.. and wondering if anyone could help
> me
> > > out.
> > > >
> > > > Thread group: 250
> > > > ramp up: 450
> > > > loop: 1
> > > >
> > > > I get no error.
> > > >
> > > > Thread group: 250
> > > > ramp up:450
> > > > loop:2
> > > >
> > > > I get error
> > > >
> > > > Thread group: 250
> > > > ramp up: 450
> > > > loop:3
> > > >
> > > > I get error
> > > >
> > > >
> > > > Thread group: 10
> > > > ramp up: 1
> > > > loop: 1
> > > >
> > > > No error
> > > >
> > > > Thread group: 10
> > > > ramp up: 1
> > > > loop: 5
> > > >
> > > > I get error
> > > >
> > > >
> > > > I am testing SSO login, and our application do not allow user to
> login
> > in
> > > > twice. user has to logout.
> > > >
> > > > In my test i have a request for login and logout..
> > > >
> > > > I am reading 250 different users from a file.
> > > >
> > > > But when I have loop, these users are repeated.
> > > >
> > > > My question is when I have loop count =3D 2 or 3. Do all the loop g=
et
> > > started
> > > > same time or does 2nd loop starts only after the first loop has
> > > completed.
> > > >
> > > > I have a feeling this error has to do with loop since i am not
> getting
> > > > error
> > > > in loop count 1. But I do not understand why it is giving me error
> when
> > > > loop
> > > > count is 2 or more. When I have logout request and as well as clear
> > > cookies
> > > > each iteration.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > View this message in context:
> > > >
> > >
> >
> http://jmeter.512774.n5.nabble.com/Loop-Count-vs-Number-of-Threads-tp3272=
154p5717838.html
> > > > Sent from the JMeter - User mailing list archive at Nabble.com.
> > > >
> > > > -------------------------------------------------------------------=
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> > > >
> > >
> >
>

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