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From sebb <seb...@gmail.com>
Subject Re: Constant Timer vs Constant throughput timer
Date Sat, 10 Nov 2007 12:12:02 GMT
On 09/11/2007, tiffany <tiffanystuffs@yahoo.ca> wrote:
>
> The calculations is based on 1 thread (1 user) or number of threads doesn't
> count?
>
> Actually, I have a test with the following configuration:
>
> threads: 1
> iterations: 100
> constant throughput timer: 30.0 (all active threads in current thread group)
>
> Frequency needs per hour: 200
>
> By the calcuation: I should put 3.33 per min.  I tried it to run with
> constant throughput timer: 3.33 (all active threads in current thread group)
> , it did't give me the right frequency( in hr),

what did it give?

> by testing, I figure it out,
> I need to set constant throughput timer: 30.0 in order to have frequency=
> 200 /hr.
>
> I don't really understand this. What about if threads=120, what should I set
> in constant throughput timer??

If you are using  anything but "this thread only", then it does not
matter how many threads there are - the delays are calculated as
needed to provide the throughput.

>
> =================
>
> sebb-2 wrote:
> >
> > 200 per hour=200/60 per min=3.33 per min
> >
> > On 18/09/2007, tiffany <tiffanystuffs@yahoo.ca> wrote:
> >>
> >> Thanks for the answer.
> >>
> >> I still have a question, if I want my test case which consists 9 requests
> >> run 200 times per hour. How to calculate the throughput time for it(What
> >> should I set in the Constant Throughput Timer ?)
> >>
> >> Thanks,
> >>  Tiffany
> >> =====================
> >>
> >> sebb-2 wrote:
> >> >
> >> > Constant Timer always sleeps for the amount of time specified.
> >> >
> >> > Constant Throughput Timer sleeps for as long as necessary to try and
> >> > maintain the throughput.
> >> >
> >> > On 13/09/2007, tiffany <tiffanystuffs@yahoo.ca> wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> I am not sure the difference % the usage of Constant Timer and
> >> Constant
> >> >> throughput timer even I have read the user manual.
> >> >>
> >> >> I try to do a web load test with 3 test cases, all 3 test cases are
in
> >> a
> >> >> test plan as the following:
> >> >>
> >> >> - test plan
> >> >>   - thread group 1
> >> >>      - HTTP request
> >> >>        - other requests...
> >> >>         - constant timer/constant throughput timer
> >> >>    - thread group 2
> >> >>      - HTTP request
> >> >>        - other requests...
> >> >>         - constant timer/constant throughput timer
> >> >>    - thread group 3
> >> >>      - HTTP request
> >> >>        - other requests...
> >> >>         - constant timer/constant throughput timer
> >> >>
> >> >>
> >> >> What is the difference of using constant timer and constant throughput
> >> >> timer
> >> >> in each thread group? Actually, I try to create a test plan with 3
> >> test
> >> >> cases on it and each test case needs to run with different frequency.
> >> For
> >> >> example :
> >> >>                    test case 1 needs to run 20 times per hour,
> >> >>                    test case 2 needs to run 100 times per hour,
> >> >>                    test case 3 needs to run 60 times per hour.
> >> >>
> >> >> What timer should I use in the above case?
> >> >
> >> > Constant Throughput Timer.
> >> >
> >> >> Thanks,
> >> >>  Tiffany
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >>
> >> http://www.nabble.com/Constant-Timer-vs-Constant-throughput-timer-tf4437423.html#a12660224
> >> >> Sent from the JMeter - User mailing list archive at Nabble.com.
> >> >>
> >> >>
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> >> >>
> >> >>
> >> >
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> >> >
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/Constant-Timer-vs-Constant-throughput-timer-tf4437423.html#a12762992
> >> Sent from the JMeter - User mailing list archive at Nabble.com.
> >>
> >>
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> >>
> >
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> >
> >
> >
>
> --
> View this message in context: http://www.nabble.com/Constant-Timer-vs-Constant-throughput-timer-tf4437423.html#a13673859
> Sent from the JMeter - User mailing list archive at Nabble.com.
>
>
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