Empirical quantification of opportunities for content adaptation in web servers

Michael Gopshtein*, Dror G. Feitelson

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

A basic problem in the management of web servers is capacity planning: you want enough capacity to be able to serve peak loads, but not too much so as to avoid excessive costs. It is therefore important to know the load that web service places on the CPU, disk, and network. We analyze these loads for representative web sites, and find that with normal caching the disk is not expected to be a bottleneck, and that reducing the number of requests made is more important than reducing the total size. We then consider the option of trading off quality for throughput, as may be necessary to handle flash crowds. The suggested approaches include the elimination of graphical decorations and previews, the compression of large images, the consolidation of style sheets and JavaScript code in the main HTML page, and the removal of unimportant blocks from the design.

Original languageAmerican English
Title of host publicationProceedings of SYSTOR 2010 - The 3rd Annual Haifa Experimental Systems Conference
DOIs
StatePublished - 2010
Event3rd Annual Haifa Experimental Systems Conference, SYSTOR 2010 - Haifa, Israel
Duration: 24 May 201026 May 2010

Publication series

NameACM International Conference Proceeding Series

Conference

Conference3rd Annual Haifa Experimental Systems Conference, SYSTOR 2010
Country/TerritoryIsrael
CityHaifa
Period24/05/1026/05/10

Keywords

  • Degraded service
  • Overload
  • Throughput
  • Web server

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