Software Development And Testing Articles, Tutorials And Help Guides
Performance testing deals with design and execution of checks that examine the performance of the application form under test. The application’s performance is measured using an amount of metrics such as application’s response times, software throughput, and concurrent users. Many software testers struggle when they start performance testing/ load tests. This is because performance tests requires knowledge of a number of special concepts as well as effectiveness in certain special skills.
However, fortunately that you can learn the mandatory concepts, develop the mandatory deliver and skills results in your performance testing successfully. The goal of this post is never to define the key terms found in performance testing but to introduce them for you. Searching these terms on the internet and build your knowledge.
Definitely see this video on Load Testing and Performance Testing Questions and Answers. 1. Performance screening tools (commercial, open source and custom) You’ll find so many performance testing tools available publicly. Some tools are commercial and the others are open up source. The full-featured tools provide the functionality to make test scripts, add test data, set up tests, perform the checks, and display the full total results.
If the performance-assessment tool is not chosen yet, you should measure the tools according to your project requirements according to the evaluation process explained here. When you have enough time and technical skills, you may create your own simple tool to assist in performance testing even. Providers are tools that measure data related to the application’s calls or the resources (e.g. storage) used by the application when the application is working.
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If the application supports multiple users concurrently (at the same time), you should test your application’s performance using multiple users. The users modeled by the tool are called the Virtual Users. 4. Key business transactions Your application may allow the user a sizable amount of work flows or business transactions. All the work flows/ business transactions may not make a difference in performance testing.
Therefore, it’s quite common to test using only the important or key business transactions. Refer or solicit your application’s performance requirements for guidance in this regard. 5. Workload Workload is the load on the multi-user applications in conditions of virtual users executing different business transactions. For instance, regarding a social networking software, 50 digital users might be looking contacts 40 of these might be messaging and 10 may be editing their profiles, all within a period of 30 minutes.
6. Isolation of test environment To be able to get results confidently, it is critical that your test environment is utilized only for the purpose of the performance test. This means that no other systems or users should be loading the test environment at the time of the performance test.
Otherwise, you might have trouble replicating (or even understanding) your test outcomes. 7. Modeling (script and tests) You should script the main element business transactions as realistically as you can (model) using the performance test tool. You should also design the tests with reasonable test configurations (e.g. digital users ramp-up, consumer network bandwidth, consumer browser, and so forth) and the model workload. 8. Test data It is common for the test scripts to be performed numerous times during one performance test.