Effectiveness of caching policies for a Web server

Author

Reddy, A. L Narasimha

Author_Institution

Texas A&M Univ., College Station, TX, USA

fYear

1997

fDate

18-21 Dec 1997

Firstpage

94

Lastpage

99

Abstract

We look at a number of policies for managing a file system cache in a Web server. Traces from NCSA World Wide Web (WWW) server are used in this study. We study several caching policies for improving the overall performance of such a server and show that request response time can be improved by some of the replacement policies that take size of the request into account. It is shown that least frequently used (LFU) performs well when cache sizes are small (<16 MB) and SpacexAge replacement policy performs consistently better than LRU. We show that previously proposed cache sharing policies improve performance significantly in clustered Web servers

Keywords

Internet; cache storage; network servers; storage management; NCSA World Wide Web server; SpacexAge replacement policy; cache sharing policies; cache sizes; caching policies; clustered Web servers; file system cache management; least frequently used; replacement policies; request response time; Algorithm design and analysis; Cache storage; Delay; File servers; File systems; Information retrieval; Internet; Network servers; Web server; World Wide Web;

fLanguage

English

Publisher

ieee

Conference_Titel

High-Performance Computing, 1997. Proceedings. Fourth International Conference on

Conference_Location

Bangalore

Print_ISBN

0-8186-8067-9

Type

conf

DOI

10.1109/HIPC.1997.634477

Filename

634477