What skills must a performance tester be capable of?
Performance testing is defined as a testing practice that measures the quality of a system that performs under a particular workload. By executing a performance test, one can determine the scalability, endurance, and stability of a software product.
In order to do performance testing, test engineers have to develop particular skills. Some of these skills are technical while some of them are non-technical. Let’s take a look at a couple of them.
Here are the most important technical skills for a performance tester!
Scripting, scripting, and scripting
Basic Understanding of System Architecture
Performance testing requires you to learn development languages, libraries, and frameworks that are used in building this software. You need to understand how Garbage Collection works, in case you work with a Java or .NET project.
Memory, CPU and network bandwidths might be the root cause of a performance glitch in an application. So hardware architecture and network layers are components that need to be analyzed during a test.
CSS and XPath Selectors
Most of the time, during a project, performance test engineers deal with HTTP requests and validate some data in its responses. In order to extract or validate data from a response and build another request, CSS and XPath Selector are used widely. In case if they don’t work, regular expressions have to be used to extract data. Test automation engineers can be considered as candidates to work on a performance test project as they already possess the required skills and have the necessary knowledge.