These tools simulate the actions performed by users.
Scripting is done with a load test tool like – Load Runner, JMeter, Silk Performer, etc. User reading an unread mail scenario – 50% of users.
For example, while doing performance testing of an email application, we can distribute users to different scenarios like. Here, we assign users to different scenarios. Once the scenarios are identified, the next step is user distribution. think time while filing a large form can be over 10 seconds while Think time to just fill in the login credentials can be 2 to 3 seconds only. This time is variable depending on the underlying action e.g.
Here, the Think time or the Wait time is the time user takes in going through the web page once it loads the time taken to fill the forms like the login form, user registration form, entering data in the search fields, etc.
Enter valid credentials and click on the Login button. Normally, instead of picking all the functional test scenarios of the application, we only pick the scenarios that have a very high volume or the scenarios that will be performed by a relatively large number of users. Performance test scenariosįirst of all, we select the test scenarios that are required to be performance tested. 
Following is a step-by-step guide to plan and execute a load test. Planning and execution of a performance test require a different set of activities that are common to every performance test irrespective of the tool we use. This helps in knowing the upper limit or the break-even point to which the application can handle concurrent users without getting crashed. With stress testing, we can check the robustness of the application at a workload higher than expected.
Helps in checking the robustness of the application. This also helps in finding the adequate infrastructure/server requirement for the system. On running performance tests with a different number of concurrent users, we can check if the application is capable of scaling up to a higher number of users. Helps in evaluating the scalability of the application. Later on, these components can be optimized for performance, resulting in an improvement in the overall system. Performance tests help in the identification of the performance bottlenecks in the application that slow down the system. Helps in the identification of performance bottlenecks. Performance tests like load tests and endurance tests help in evaluating the system’s correctness under the expected workload for a predefined time(load test) or large durations(endurance testing). Helps in checking the reliability of the applicationĭifferent types of performance tests are conducted to check if the application is reliable and provides correct and consistent output. Want to know more about the performance testing types in detail along with examples, check our tutorial – Performance Testing Types. Now, this can be done either by inserting a high volume of data in the database or depending on the application or functionality – uploading a large file for processing. In Volume testing, we feed the application with a large volume of data. This helps in checking if the application can recover from any issues after the sudden spike in the number of concurrent users. Spike testing includes subjecting the application to a sudden burst of virtual users. This helps in uncovering the memory leakage issue in the application. In endurance testing, the application under test is subjected to continuous load for a long duration like 2-3 days. This helps in measuring the break-even point of the application – the load at which the application doesn’t respond correctly.Įndurance testing is also referred to as ‘Soak Testing’. Stress testing is a type of performance testing in which the performance of the application is evaluated under a load much higher than the expected or anticipated load. throughput and the error rate observed during load test execution. In a load test, we evaluate different performance parameters like – response time, load on server i.e. Load testing is a type of performance testing in which the performance of the application is evaluated under the expected load. Types of Performance Testing Load testing
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