Capacity Testing with Grinder
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12-12-2019 - |
Question
How can I tell grinder to use more and more threads until it reaches a point where the load is unacceptable?
Solution
You can ramp in your threads over time, so that as your test progresses, the load increases. See http://grinder.sourceforge.net/g3/script-gallery.html#threadrampup.py
It will be up to you to determine at what point the load level is unacceptable. Grinder Analyzer might be helpful for that.
Good luck.
OTHER TIPS
One of the advantages of a tool like Grinder, which allows for a coded script, as opposed to Jmeter is that as you are 'ramping up' you can poll the response times and keep increasing until the response time hits a threshold. Other commercial tools have this feature that is 'apply load until response time is > 8 seconds'.