A Scalable Simulation Platform for Web Cluster Server
Xiong Bu-yun · Jisuanji fangzhen · 2011
To simulate and analyze the performance of scheduling algorithms and cache replacement algorithms,a JavaSim-based scalable simulation platform for web cluster server,WCSSim,was designed and implemented.The platform supported both trace-driven mode and distribution-driven mode,and modeled the serving time of static request and dynamic request respectively according to their different traits.The main components of cluster system,scheduling algorithms and cache replacement algorithms were all designed as individual loosely-coupled classes,thus facilitating the extension of both system and algorithms.Simulation experiments show the feasibility and validity of the platform.The platform can help website operators select proper scheduling and cache replacement algorithms,and help researchers evaluate new scheduling and cache replacement algorithms under different access patterns effectively.