A proactive distributed qos control framework for cluster web site

  • Authors:
  • Wang Xiaochuan;Jin Shiyao

  • Affiliations:
  • School of Computer Science, National University of Defense Technology, Changsha, China;School of Computer Science, National University of Defense Technology, Changsha, China

  • Venue:
  • HPCC'06 Proceedings of the Second international conference on High Performance Computing and Communications
  • Year:
  • 2006

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Abstract

In this paper, we present a distributed QoS control framework for cluster web applications. We describe the system structure and inner operations from the perspective of control theory. Controllers spread across all back-end servers, proactively controlling the actuators on the cluster entry. This can accommodate advanced but resource consuming control models and algorithms without central performance bottleneck problem in contrast to previous proposals. Our proposal also takes friendliness, flexibility and effectiveness of the control scheme into consideration for practical employment. We give an example implementation based on this framework. Experiments prove its feasibility and effectiveness.