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Simultaneous User with JMeter and Ramp up time

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Simultaneous User with JMeter and Ramp up time

destilator
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Hi @ all,

i want to run some performance test runs with JMeter on a Content Management System. One of the requirements is that 150 User can be logged in simultaneously and create some objects.
I created a script which can do that, configured 150 threads for one run with a ramp up period of 30, so 5 threads will start every second or every 200ms a thread will start.

My question: i want to simulate all 150 user on this system. If i do it like i described i will have threads running and finishing, so there won't be 150 users on the system at the same time because some threads (users) will have finish creating objects. If i won't use the ramp up period i will send 150 users immediatly to the server and this is not the best way i think. So what is the best approach to do that? Keep in mind that i cannot run the scripts in a loop because every user is creating 3 objects and once created, they cant be overwritten and i will get errors. Do i have to reduce the ramp up period time? Do i have to change the script? Or is this a good approach? Any advice would be helpful.

Regards,
desti
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Re: Simultaneous User with JMeter and Ramp up time

evanphelan
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Try the Stepping Thread Group or Ultimate Thread Group, both of which you can dind here:
http://code.google.com/p/jmeter-plugins/
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