Dynamic Server Allocation for Power and Performance

Authors:
Joris Slegers;Nigel Thomas;Isi Mitrani
Affiliations:
School of Computing Science, Newcastle University, NE1 7RU;School of Computing Science, Newcastle University, NE1 7RU;School of Computing Science, Newcastle University, NE1 7RU
Venue:
SIPEW '08 Proceedings of the SPEC international workshop on Performance Evaluation: Metrics, Models and Benchmarks
Year:
2008

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Abstract

We consider a system of servers that process incoming requests. These requests experience periods of high and low arrival rate. Servers can be powered down dynamically to conserve power. We examine this system with a view to balancing the need between processing incoming requests quickly and reducing power consumption. The system is modeled formally and heuristics are presented to decide when servers should be powered down or up. Preliminary results of the performance of these heuristics are also included.