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
httperf—a tool for measuring web server performance
ACM SIGMETRICS Performance Evaluation Review
Web content adaptation to improve server overload behavior
WWW '99 Proceedings of the eighth international conference on World Wide Web
Analysis of SRPT scheduling: investigating unfairness
Proceedings of the 2001 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
SEDA: an architecture for well-conditioned, scalable internet services
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
Using Speculation to Reduce Server Load and Service Time on the WWW
Using Speculation to Reduce Server Load and Service Time on the WWW
Network-oriented controls of internet services
Network-oriented controls of internet services
Flash: an efficient and portable web server
ATEC '99 Proceedings of the annual conference on USENIX Annual Technical Conference
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We present a framework for estimating the service time of a dynamic HTTP request by using the service times of past requests to the same URL. Our framework tags incoming requests with a timestamp. As the request is processed, server state relevant to the estimation mechanism, such as the number of threads servicing incoming requests, is stored with each request. When a request is handled, it is timestamped again, allowing us to calculate its service time. This service time is added to the history table and used in the computation of future estimates. The estimators we evaluated do not produce accurate predictions when server resources change, leaving room for further work in estimator design.