Stability in web server performance with heavy-tailed distribution

Authors:
Takuo Nakashima;Mamoru Tsuichihara
Affiliations:
Department of Information Science, Kyushu Tokai University, Kumamoto-shi, Japan;Department of Information Science, Kyushu Tokai University, Kumamoto-shi, Japan
Venue:
KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part I
Year:
2005

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Abstract

In this research, we focused on the heavy-tailed property on Web servers, and studied evaluation experiments by an active measurement method for Web servers. Our experiments have resulted in three conclusions; first, it has been shown that the total transmission time is dominated not only by the file size but also by first data transmission time. It implies Web data transmission has the robustness of heavy-tailed property. Second, we demonstrated that if servers have a heavy load on the initial data transmission phase, to find that the performance of server rarely have stable small variance. Third, the convergence property of performance evaluation measures of Web servers was examined.