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From "Peter Lin" <>
Subject Re: Access Log Sampler
Date Fri, 04 Jan 2008 15:15:27 GMT
you can use multiple thread groups and control each one with a timer, though
the timing is probably going to vary depending on how fast the server

at best, jmeter will try to simulate peak load and lull load.

a simple way would be to create 10 thread groups and have some thread groups
set to a longer interval.


On Jan 4, 2008 10:10 AM, Christian Hufgard <> wrote:

> > when I wrote the sampler, it was to run a large number of requests. In
> my
> > case, I took a sample log of 50K and set jmeter to run for 1million
> > iterations
> Ah ok. My problem is some more weird. I have to simulate peaks with
> response-times up to 30 seconds. Then some minutes with one or two
> requests, than another peak. The application has an interesting load
> profile. :)
> > I added a timer to produce the desired concurrent requests per second.
> So you used parallel thread groups?
> I think I will extend the AccessLogSampler to my needs (parallel unique
> requests with different threads with a timer that is fed from the access
> log.
> Thank you for your answers!
> Christian
> P.S. Was there already the thought to add a progressbar to jmeter during
> startup? On my development machine (dual core, lot of ram), I takes
> awful time to start up during that I see only a grey background...
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