Load testing used to be the practice of large testing organizations with dedicated performance engineers, for mission-essential applications expecting thousands or even hundreds of thousands of users. But as web applications become more ubiquitous and more important to the organization’s business, more and more testing teams are finding value in understanding the characteristics of their application under load.
And the failure point, while important, is the least of those characteristics. Testers also want to know things like how system resources are being used, which parts of the application seem to stress fastest, and how response time varies with the number of users.
The best way to do that is to use load testing software to create virtual users, running various test scripts that represent what actual application users may do. These scripts can often be created using existing functional tests, combined to create modeled user tasks and activities. Alternatively, some tools require that they
That is only the beginning. Not all load testing software is created equal. Possibly the most important thing to look for is the ability to run tests from different
In many cases, running load tests from a single client limits the number of virtual users
Test Studio 2013 R1 is built from the ground up to support distributed load testing. You can deploy agents and test lists across different systems on the same network, or around the world. This feature enables testers to better emulate different types of traffic and user activities from different locations, providing testers with a realistic assessment of how the application will actually perform when in production.
Test Studio lets testers create load testing scripts from functional tests or from network traffic captured by Fiddler. This makes it easier to build and maintain load tests for the
Peter Varhol has been a software developer and software product manager, technology journalist, and university professor among the many roles in his
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