Networking

Managing Cost, Performance, and Reliability Tradeoffs for Energy-Aware Server Provisioning

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Executive Summary

The authors present ACES, an automated server provisioning system that aims to meet workload demand while minimizing energy consumption in data centers. To perform energy-aware server provisioning, ACES faces three key tradeoffs between cost, performance, and reliability: maximizing energy savings vs. minimizing unmet load demand, managing low power draw vs. high transition latencies for multiple power management schemes, and balancing energy savings vs. reliability costs of server components due to on-off cycles. Their evaluation on three data center workloads shows that ACES's energy savings are close to the optimal and it delivers power proportionality while balancing the tradeoff between energy savings and reliability costs.

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