Safe Overprovisioning: Using Power Limits to Increase Aggregate Throughput
Safe Overprovisioning: Using Power Limits to Increase Aggregate Throughput
复制标题
安全过度配置：使用功率限制来提高总吞吐量
DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
Vincent W. Freeh
中科院分区：
文献类型：
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作者：
Mark E. Femal;Vincent W. Freeh
数据中心的电源管理是出于不超过电路容量的需要。在监督这些电源电路时采用的方法通常是静态的和特别的。新的功率可扩展系统组件允许动态控制功率消耗，同时对性能产生影响。由于在更高性能状态下运行的增量性能收益小于功率增加，因此有可能过度配置硬件基础设施以提高吞吐量，但仍低于总功率限制。在过度配置中，如果每个组件以最大功率运行，则超过限制将导致灾难性的结果。但是，安全的过度配置会在当地监管电力消耗，以满足全球电力预算。提出了基于主机和以网络为中心的模型来监控和协调电力分配，其根本目标是增加吞吐量。这项研究工作展示了过度配置的优势，并描述了一个总体框架和一个初步原型。综合基准测试的初步结果表明，在静态分配的电源管理环境中，吞吐量增加了近6%，而在非管理环境中，吞吐量增加了30%以上。
Management of power in data centers is driven by the need to not exceed circuit capacity. The methods employed in the oversight of these power circuits are typically static and ad-hoc. New power-scalable system components allow for dynamically controlling power consumption with an accompanying effect on performance. Because the incremental performance gain from operating in a higher performance state is less than the increase in power, it is possible to overprovision the hardware infrastructure to increase throughput and yet still remain below an aggregate power limit. In overprovisioning, if each component operates at maximum power the limit would be exceeded with disastrous results. However, safe overprovisioning regulates power consumption locally to meet the global power budget. Host-based and network-centric models are proposed to monitor and coordinate the distribution of power with the fundamental goal of increasing throughput. This research work presents the advantages of overprovisioning and describes a general framework and an initial prototype. Initial results with a synthetic benchmark indicate throughput increases of nearly 6% from a staticly assigned, power managed environment and over 30% from an unmanaged environment.