Capacity planning and performance modeling: from mainframes to client-server systems
Capacity planning and performance modeling: from mainframes to client-server systems
Practical Unix and Internet security (2nd ed.)
Practical Unix and Internet security (2nd ed.)
Principles of transaction processing: for the systems professional
Principles of transaction processing: for the systems professional
Measuring the behavior of a World-Wide Web server
HPN '97 Proceedings of the IFIP TC6 seventh international conference on High performance netwoking VII
Generating representative Web workloads for network and server performance evaluation
SIGMETRICS '98/PERFORMANCE '98 Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
Capacity planning for Web performance: metrics, models, and methods
Capacity planning for Web performance: metrics, models, and methods
A methodology for workload characterization of E-commerce sites
Proceedings of the 1st ACM conference on Electronic commerce
An Approach to Evaluate the Performance of Web Application Systems
Proceedings of International Conference on Information Integration and Web-based Applications & Services
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E-commerce applications are growing at unprecedent rates, resulting in overloaded sites with poor quality of service. The workload intensity of an e-commerce site is not totally predictable given that external events can generate load spikes that exceed by far the average load. Therefore, e-commerce site managers need to be able to understand the performance of the site and be able to tune it to cope with varying traffic patterns. In this paper we present PROFIT, a new tool for profiling the performance of e-commerce sites. PROFIT measures both throughput and response time and breaks down the response time in terms of components (e.g., Web server, application server, and database server) and services (e.g., search, browse, select, add to cart, and pay). To illustrate the use of the tool, the paper shows an analysis of performance and security in e-commerce applications, measuring the impact of the Secure Sockets Layer (SSL) protocol on the request response time.