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A Combined LIFO-Priority Scheme for Overload Control of E-commerce Web Naresh Singhmar Vipul Mathur Varsha Apte D. Manjunath
 

Summary: A Combined LIFO-Priority Scheme for Overload Control of E-commerce Web
Servers
Naresh Singhmar Vipul Mathur Varsha Apte D. Manjunath
Indian Institute of Technology - Bombay
Powai, Mumbai, 400 076, India
{naresh,vipul,varsha}@cse.iitb.ac.in, dmanju@ee.iitb.ac.in
Abstract
E-commerce Web-servers often face overload conditions
during which revenue-generating requests may be dropped
or abandoned due to an increase in the browsing requests.
In this paper we present a simple, yet effective, mechanism
for overload control of E-commerce Web-servers. We de-
velop an E-commerce workload model that separates the
browsing requests from revenue-generating transaction re-
quests. During overload, we apply LIFO discipline in the
browsing queues and use a dynamic priority model to ser-
vice them. The transaction queues are given absolute pri-
ority over the browsing queues. This is called the LIFO-
Pri scheduling discipline. Experimental results show that
LIFO-Pri dramatically improves the overall Web-server

  

Source: Apte, Varsha - Department of Computer Science and Engineering, Indian Institute of Technology Bombay

 

Collections: Computer Technologies and Information Sciences