Performance testing is a subset of performance engineering, an emerging computer science practice which strives to build performance into the implementation, design and architecture of a system.

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13
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5answers
14k views

How do you calculate the number of virtual concurrent users to use in a load test given data on actual site traffic?

When working on performance testing, one of the problems I've faced is trying to translate real-world web application traffic to simulated traffic. A practical example is for an eCommerce site. ...
6
votes
3answers
268 views

Should you preload DLL's in performance tests?

When running automated performance tests, is it better to preload any DLL's which would slow the first run of a test? This would improve the consistency of the test results but would not reflect the ...
11
votes
9answers
896 views

Performance testing - a way in?

We have an a browser based application that is built on the Microsoft Stack, specifically .NET 3.5. It also uses Ajax, iframes, jQuery etc. At the moment we are just guessing at the concurrency ...
11
votes
2answers
286 views

Measuring test performance when there is high variance

I am running single purpose performance tests on a daily basis. Currently, I run each test 3 times and average them out. But I get fluctuations from day to day which make it difficult to detect ...