UNIT-3 Performance Evaluation UNIT-3 IT2031. Web Server Hardware and Performance Evaluation Key question is whether a company should host their own Web.

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Presentation transcript:

UNIT-3 Performance Evaluation UNIT-3 IT2031

Web Server Hardware and Performance Evaluation Key question is whether a company should host their own Web site Find out what management and sales staff want to accomplish with a server – Whom do they want to reach? – Will the server run transactions? – How involved will the staff be on a daily basis?

Web Server Performance Evaluation Benchmarking – Used to compare performance of hardware and software Connection speed How many users can the server handle – Throughput is the number of HTTP requests processed at one time Mix and type of Web pages affect performance

Web Server Benchmark Software Figure 3-4

Benchmarking Web Server Hardware and Software Introduction Benchmarking a Web server is testing used to compare performance of hardware and software offered by various vendors The results of benchmark tests demonstrate that there are measurable differences in various Web server performance UNIT-3 IT2031

Benchmark Test A benchmark test considers several factors such as: The computer hardware The Web server software Network connection –A Web server on a T3 connection can deliver Web pages to clients much faster than it could on a T1 connection. Throughput –It is the number of HTTP requests that a particular hardware and software combination can process in a unit of time. Response Time –It is the amount of time that a server requires to process one request. Type of Web page –static versus dynamic UNIT-3 IT2031

Benchmarking Software WebStone is a popular benchmarking software that measures performance on various types of Web pages (static and dynamic) such as: HTML: This is the standard static Web page containing only HTML tags. CGI: Common Gateway Interface or CGI protocol causes the Web server to run another program and return the result to the Web server. API: Application Programming Interface or API is a set of protocols that uses “multithreading” to handle user requests of the dynamic Web pages. –API is more efficient than CGI, as CGI requires an individual program to be brought to the Web server memory when requested by multiple users. UNIT-3 IT2031

Web Server Benchmark Software Web server benchmark software types are listed below: NetBench ServerBench SPEC SFS97 SPECweb99 WCAT WebBench WebStone UNIT-3 IT2031