You can configure tests to simulate various user scenarios which can focus on different parts of your system (such as a checkout page, for example). Load test when you want to determine how many users your system can actually handle. There are a few types of open-source load testing tools, JMeter being the most popular. In other words, the test measures how systems handle heavy load volumes. This is a good test, given the growing number of users does not affect the response time, the error rate remains low, and the hits per second rise with the number of users, but remain stable.Ī load test is a type of performance test that checks how systems function under a heavy number of concurrent virtual users performing transactions over a certain period of time The following figure shows an example of a performance test report on BlazeMeter. If you’re shifting left and going agile, you should test continuously. If you follow the waterfall methodology, then test at least each time you release a version. Run performance tests when you want to check your website and app performance, which may extend to testing servers, databases, networks, etc. Through the reports you can identify bottlenecks, bugs, and errors, then decide what needs to be done. Software performance testing examines responsiveness, stability, scalability, reliability, speed, and resource usage of your software and infrastructure.ĭifferent types of performance tests provide you with different data, as we will further detail.īefore performance testing, it’s important to determine your system’s business goals, so you can tell if your system behaves satisfactorily or not according to your customers’ needs.Īfter running performance tests, you can analyze different KPIs, such as the number of virtual users, hits per second, errors per second, response time, latency, and bytes per second (throughput), as well as the correlations between them. Performance testing is the general name for tests that check how the system behaves and performs. While load testing simulates real-life application load, stress testing tests application performance at peak times.
Load testing and stress testing are both types of performance testing, which check how your application performs when many people use it at once.
If you’re a developer or QA engineer or if you work in DevOps, you know you need to conduct different types of performance tests in order to make sure each code change or feature addition (a) doesn’t break the system and (b) works.īut which types of performance tests should you conduct, what’s the difference between load tests and stress tests, and which test is suitable for which situation? In this blog post, we’ll cover the answers to these questions and more.
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