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Internet Web servers: workload characterization and performance implications

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2 Author(s)
Arlitt, M.F. ; Dept. of Comput. Sci., Saskatchewan Univ., Saskatoon, Sask., Canada ; Williamson, C.L.

This paper presents a workload characterization study for Internet Web servers. Six different data sets are used in the study: three from academic environments, two from scientific research organizations, and one from a commercial Internet provider. These data sets represent three different orders of magnitude in server activity, and two different orders of magnitude in time duration, ranging from one week of activity to one year. The workload characterization focuses on the document type distribution, the document size distribution, the document referencing behavior, and the geographic distribution of server requests. Throughout the study, emphasis is placed on finding workload characteristics that are common to all the data sets studied. Ten such characteristics are identified. The paper concludes with a discussion of caching and performance issues, using the observed workload characteristics to suggest performance enhancements that seem promising for Internet Web servers

Published in:

Networking, IEEE/ACM Transactions on  (Volume:5 ,  Issue: 5 )