Other types of performance testing

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identify its performance characteristics, such as server response time;
understand how you can optimize your application to make it work faster;
find the load limit beyond which the application will start to malfunction;
This testing is necessary to evaluate the efficiency of the program under normal conditions. And also its stability.

If an application starts to fail even under workload, it is iran telegram data clearly unstable and needs to be improved. But if the product is so "raw", it will most likely not reach performance testing and will fail in the early stages of testing.

Stress testing, in turn, allows:

find the extreme limit beyond which the application will fail completely;
assess how well the system copes with the consequences of overload, such as failure of individual components;
identify the “weak points” that fail first;
check the system's ability to recover from failures and overloads.
In this case, stress testing scenarios can be different. Testers can simulate an increased number of requests to the server, and a sharp limitation of resources, and much more.

Stress testing prepares a product for possible future overloads, such as sudden influxes of users or even malicious attacks. The tests will show what to expect from the application in each of these situations - and help protect the product from the consequences in advance.