Mercury and Freon: Temperature Emulation and Management for Server Systems

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Provided by: Association for Computing Machinery
Topic: Data Centers
Format: PDF
Power densities have been increasing rapidly at all levels of server systems. To counter the high temperatures resulting from these densities, systems researchers have recently started work on software-based thermal management. Unfortunately, research in this new area has been hindered by the limitations imposed by simulators and real measurements. In this paper, the authors introduce Mercury, a software suite that avoids these limitations by accurately emulating temperatures based on simple layout, hardware, and component utilization data. Most importantly, Mercury runs the entire software stack natively, enables repeatable experiments, and allows the study of thermal emergencies without harming hardware reliability.
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