NDLI: Improving the performance of Apache web server

Content Provider	ACM Digital Library
Author	Gusic, Miso Abhari, Abdolreza Serbinski, Adam
Abstract	The purpose of this research is to improve the performance of the Apache HTTP Server for serving web pages which include embedded objects, such as images or multimedia components. By prefetching the embedded objects of a web page from server disk to its cache memory, we reduce page load latency without modifying current web protocols. We have implemented this strategy within the Apache HTTP Server that is referred to in this paper as modified Apache. Apache HTTP Server is a popular open source web server. In this paper, we present the strategy that we used to prefetch embedded objects in modified Apache from disk into main memory, and report on the performance achieved in trace driven simulations. The performance was measured by processing a log file from IRCache to simulate realistic fetches on an object-by-object basis. The memory cache hit ratio and byte hit ratio were recorded for each object accessed through normal and modified Apache, and compared.
Starting Page	166
Ending Page	169
Page Count	4
File Format	PDF
ISBN	1565553128
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-03-25
Publisher Place	San Diego
Access Restriction	Subscribed
Subject Keyword	Trace driven simulation Proxy cache Web page structure Web server Web caching
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Improving the performance of Apache web server