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What are the stages of effective performance testing?

 Performance testing is a type of software testing that focuses on evaluating the performance and responsiveness of a system under specific conditions. It is conducted to measure various attributes of a system, such as its speed, scalability, stability, and resource usage, and to identify any performance-related issues or bottlenecks.

Following are the nine stages of effective performance testing: 

1. Analyzing software and preparing requirements: The system under test must be completed first, otherwise the results that have been received will be considered as invalid. Before performance testing has been performed,  it is important to ensure that the adjustment of software configuration has been done appropriately. 

 

2. Designing the strategy: Development of testing strategy takes place based on a detailed system analysis, an extended approach to performance testing needs to be described. 

 

3. Configuring the load generator: If high-quality results needs to be achieved, load generator is used to install performance testing tools. It is a physical or virtual machine that is located in proximity to the application server.  

 

4. Monitoring the load and server generator: The software  performance is evaluated by defining the metrics at the first stage and then the system bottlenecks are defined. 

 

5. Generating test data: Various programming languages (Python. Java) are used for developing scripts, which in turn allows creating passwords, users and other values that are necessary for correct usage of data 

 

6. Development of load scripts: The chosen tool is used to develop performance testing scripts. Before load test cases are being developed, prepared scripts should be analyzed. When the manual checking is done for each of the steps and there are no errors that have appeared then the load script can be recorded. 

 

7. Launching the preliminary tests: The most appropriate load model is ascertained by preliminary checks for the system. The usage of application resources and whether the power of load generator will be sufficient for executing full-scale tests is ascertained. 

 

8. Executing tests: When stress testing is being performed, there will be a gradual increase of load until one of the test stopping criteria has been reached: 

 

9. Reporting and results analysis: A document is prepared by analyzing the results of the previous  stages. The outcomes of the executed tests are described in this document along with implementation of each stage. 

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