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Resource overbooking and application profiling in shared hosting platforms
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Energy-aware server provisioning and load dispatching for connection-intensive internet services
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Workload decomposition for QoS in hosted storage services
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Proceedings of the ACM/IFIP/USENIX 2005 International Conference on Middleware
Energy Smart Management of Scientific Data
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Autonomic exploration of trade-offs between power and performance in disk drives
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Adaptive workload shaping for power savings on disk drives
Proceedings of the 2nd ACM/SPEC International Conference on Performance engineering
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Power consumption and cooling costs of hosted storage services and shared storage infrastructure in data centers account for a growing percentage of the total cost of ownership. The bursty nature of storage workloads requires significant over provisioning of the capacity and power consumption to meet traditional response-time QoS guarantees. In this paper, we propose a graduated, distribution-based QoS model and a runtime scheduler for power efficient storage servers. Through the evaluation of the real storage workload traces, we show a new general tradeoff between the performance and power consumption.