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In order to develop a data center power efficiency index, we built a test bed of a data center and measured power components and environmental variables in some detail, including the power consumption and temperature of each node, rack and air conditioning unit, as well as load on the CPU, Disk I/O and the network. In these measurements we found that there was a significant imbalance of CPU temperatures...
Apache Hadoop is a framework for managing large scale storage based datacenters whose primary job is to deliver data to clients. In such systems, the primary job is to associate each data request to a specific data replica among many available replicas. This assignment impacts the workload and power distribution across the storage servers. In this paper, we explore thermal and power aware task scheduling...
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