Balancing electricity bill and performance in server farms with setup costs
Future Generation Computer Systems
Service center trade-offs between customer impatience and power consumption
Performance Evaluation
Trading power consumption against performance by reserving blocks of servers
EPEW'12 Proceedings of the 9th European conference on Computer Performance Engineering
Trading power consumption against performance by reserving blocks of servers
EPEW'12 Proceedings of the 9th European conference on Computer Performance Engineering
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A server farm is examined, where a number of servers are used to offer a service to impatient customers. Every completed request generates a certain amount of profit, running servers consume electricity for power and cooling, while waiting customers might leave the system before receiving service if they experience excessive delays. A dynamic allocation policy aiming at satisfying the conflicting goals of maximizing the quality of users' experience while minimizing the cost for the provider is introduced and evaluated. The results of several experiments are described, showing that the proposed scheme performs well under different traffic conditions.