Since web applications are directly related to users and usually need to withstand a large number of operations over a long period of time, the functionality and performance of web projects must be reliably verified. This requires comprehensive testing of the web project. Web application testing is not much different from any other type of application testing.
With the rapid development of Web 2.0 technology, many companies have developed some Web-based website services. It is usually difficult to simulate the actual situation of a large number of users accessing the system at the same time when designing and developing Web application systems. Therefore, when a Web website encounters During peak access times, server response speed may slow down or even service interruption may occur.
In order to avoid this situation, a performance testing tool that can truly simulate a large number of users accessing the Web application system is needed for stress testing to test the response time of static HTML pages and even test the response of dynamic web pages (including ASP, PHP, JSP, etc.) time to provide data basis for server performance optimization and adjustment.
I recommend that all Web 2.0 development and testers use Microsoft's WebApplication Stress Tool. This small tool provided by Microsoft is only 9.58M, very small and practical. Although the function is not as good as professional LoadRunner, LoadRunner is bulky and expensive, and ordinary enterprises will not spend so much money to buy LoadRunner. Microsoft's WAS is completely free, and has all the main functions, which is enough. That’s it.
Microsoft Web Application Stress Tool can effectively test the load performance of a website. This software can simulate the access of 100 strong concurrent users through scripts, and simulate some click operations of actual users. WAS can also connect to the performance counters of remote Windows website servers ( Performance Counter), which finds system bottlenecks through performance analysis of server performance (CPU/memory, etc.). The CPU usage percentage reflects processor overhead. A CPU usage percentage that consistently exceeds 75% is a clear sign that the performance bottleneck lies in the processor.
WAS will generate detailed reports after each test run. WAS reports can be viewed by selecting Reports from the View menu.
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