Article

Improving web server performance by caching dynamic data

Authors:

Jim ChallengerAuthors Info & Claims

USITS'97: Proceedings of the USENIX Symposium on Internet Technologies and Systems on USENIX Symposium on Internet Technologies and Systems

Page 5

Published: 08 December 1997 Publication History

Abstract

Dynamic Web pages can seriously reduce the performance of Web servers. One technique for improving performance is to cache dynamic Web pages. We have developed the Dynamic Web cache which is particularly well-suited for dynamic pages. Our cache has improved performance significantly at several commercial Web sites. This paper analyzes the design and performance of the DynamicWeb cache. It also presents a model for analyzing overall system performance in the presence of caching. Our cache can satisfy several hundred requests per second. On systems which invoke server programs via CGI, the DynamicWeb cache results in near-optimal performance, where optimal performance is that which would be achieved by a hypothetical cache which consumed no CPU cycles. On a system we tested which invoked server programs via ICAPI which has significantly less overhead than CGI, the DynamicWeb cache resulted in near-optimal performance for many cases and 58% of optimal performance in the worst case. The DynamicWeb cache achieved a hit rate of around 80% when it was deployed to support the official Internet Web site for the 1996 Atlanta Olympic games.

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Improving web server performance by caching dynamic data

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USITS'97: Proceedings of the USENIX Symposium on Internet Technologies and Systems on USENIX Symposium on Internet Technologies and Systems

December 1997

266 pages

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United States

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Published: 08 December 1997

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Cited By

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https://dl.acm.org/doi/10.1145/2532443.2532449
Barahmand SGhandeharizadeh SYap JHe QIyengar ANejdl WPei JRastogi R(2013)A comparison of two physical data designs for interactive social networking actionsProceedings of the 22nd ACM international conference on Information & Knowledge Management10.1145/2505515.2505761(949-958)Online publication date: 27-Oct-2013
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Brunelle JNelson MDownie JMcDonald RCole TSanderson RShipman F(2013)An evaluation of caching policies for memento timemapsProceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries10.1145/2467696.2467717(267-276)Online publication date: 22-Jul-2013
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