Agent-based replication for scaling back-end databases of dynamic content web sites

  • Authors:
  • Ebada Sarhan;Atif Ghalwash;Mohamed Khafagy

  • Affiliations:
  • Computer Science Department, Faculty of Computers & Information, Helwan University, Egypt;Computer Science Department, Faculty of Computers & Information, Helwan University, Egypt;Computer Science Department, Faculty of Information Systems & Computer Science, 6th October University, Egypt

  • Venue:
  • ICCOMP'08 Proceedings of the 12th WSEAS international conference on Computers
  • Year:
  • 2008

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Abstract

Replication has become a central element in modern information system playing a great role to increase availability and performance. This paper presents architecture, implementation and performance of a new replication technique. This new replication concerns of back-end database of a dynamic sites. The presented technique, called Agent scheduling, using agents, in both the application server and the back-end database, to replace the scheduler. The telecommunication benchmark, a powerful benchmark that is able to test up to fifty database replicas, That can be used for evaluation. Evaluation could be performed through measurements of a web site that follows the TPC-W specification. Test results show that Agent-scheduling throughput and response time outperform other algorithms especially with large clusters.