“Load testing” is a term that is utilized in many different ways in the community that tests software professionally. It generally refers to practices of modeling expected usage of software programs by emulating multiple users who access the program simultaneously. As such, this particular method of testing has been the most relevant for systems of multi-users. It is often one that is built using a server/client model, such as servers of the web. However, it’s important to note, that graphics editors or word processors are capable of being forced to read documents that can be quite large; or a financial package can be forced to form reports that are based on many years’ worth of information.
The most accurate forms of load testing can emulate actual instances of usage, in contrary to testing utilizing analytical or theoretical modeling. It lets the user(s) measure their websites’ performances of QOS based on true behaviors of customers. Approximately all of the tools of frame-works and load testing tool follow paradigms of classical load testing. When customers visit a website, its script recorder captures the communication in a record which creates interaction scripts that are related.
Load generators try to replayed scripts that are recorded, which can possibly modify with test parameters that are different. In the procedure of replaying, both software and hardware stats are collected by conductors upon monitoring, some of which include, but are not limited to including memory, CPU, disk IO of physical servers and their response times. All of the stats undergo analysis and reports of load testing are generated. Performance and load testing analyzes software that’s intended for audiences of multi-uers by subjecting software programs to numbers of live and virtual users that are different while supervising measurements of performance under loads that are different. Testing of loading and performance is often conducted in an environment of testing that’s identical to environments of production prior to the software system being allowed to go live.
Additional Reading: