Performance Evaluation of Database Systems Using Colored Petri Nets

Sultan Qaboos University Journal for Science

卷:8

F.A. Masoud¹  A.B. Mnaouer¹  M. Al-Towaiq¹  K. Day¹ 

[1] Department of Computer Science, College of Science, Sultan Qaboos University,P.O.Box 36,Al Khod 123, Muscat,Sultanate of Oman;

关键词: Client-Server, Centralized Databases, Colored Petri Net, Performance Evaluation, Replicated Databases.;   

DOI  :  10.24200/squjs.vol8iss1pp33-46

来源: DOAJ

【 摘 要 】

We propose Colored Petri Net (CPN) models for replicated and centralized database systems and conduct a comparative study of their performance. The designed CPN models capture the dynamics of the studied database systems and estimate their expected performance with an appropriate level of abstraction. A number of simulation experiments were performed under various load conditions of varying parameters such as server speed, network speed, and read/write ratio. The simulation results show that under similar operation conditions, replicated systems exhibit higher performance than centralized systems in terms of query response time and system saturation levels. However, centralized systems become more competitive when their network and server speeds are much higher than those of the replicated systems.

【 授权许可】

Unknown