![]() Therefore, the main way to differentiate between these two types of testing is by focusing on their end goal. Bottlenecks can happen during this stage with errors and even stop serving incoming requests entirely. However, at some point you will see that while you are adding more and more virtual users, the number of requests per second remains the same or even goes down due to increased response time. The above points are true to a certain extent. Response time stays the same, no matter how much load is applied or even decreases as a result of caching and just-in-time optimizations.Throughput (the number of served requests per second) increases as the load increases.While load testing simulates real-life application load, the goal of stress testing is to identify the saturation point and the first bottleneck of the application under test.Īn ideal application behaves in the following manner: Deciding whether the current build is ready to go or not.Comparing actual metrics (response time, throughput, percentage of errors, resource usage, etc.) with the expected metrics.Conducting the anticipated load in terms of virtual users or requests per second.So, load testing in a nutshell consists of: Therefore, it is sufficient to check if the performance is good enough and matches non-functional requirements or service level agreements. For example, the piece of software under test is designed to serve X users (because it is an internal product of an enterprise and there are no more employees), so it does not make sense to conduct testing under a higher load. Load testing is the process of checking the behavior of the system under test under the anticipated load. Therefore, load testing is only a part of performance testing. Soak Testing (sometimes called Endurance Testing).In general, comparing performance testing to load testing does not make sense, since performance testing is an “umbrella” term for all activities including (but not limited to): ![]() Let us take a closer look at the above comparisons. □ Try BlazeMeter today for performance testing at scale > While there are those who compare all three types of testing, the more popular comparisons that testers make include: For instance, load testing and stress testing are both performance testing types that check how your application performs when many people use it at once. There are multiple types of tests that fall under the performance testing umbrella. If you’re a developer or QA engineer or if you work in DevOps, you know you need to conduct different performance testing types in order to make sure each code change or feature addition (a) doesn’t break the system and (b) works.īut which performance testing types should you conduct, what’s the difference between load testing and stress testing, 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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