Data center energy efficiency

Heather Brotherton, Purdue University

Abstract

Data centers are estimated to consume at least one percent of the world's energy. This work discusses why data centers consume such a large amount of energy. Methods to reduce energy consumption in data centers are presented. Techniques to improve future data centers and the knowledge base for information technologists is discussed and presented. The feasibility of operating high availability, grid independent data centers from solely renewable energy sources is explored. Findings derived from experimentation and research indicate that creation of a data center designed to be operated primarily from intermittent renewable energy resources is feasible. Through implementation of the findings of this dissertation and extending research; many efficiency gains are possible that would allow current technology to be used to create a grid independent data center prototype. This dissertation concludes that the best way to increase energy efficiency is through education in the principals of data center energy efficiency. Sufficient information is available to reduce data center energy consumption by nearly half. The GUI based OS is shown to have an overhead of as much as 119.28 watts per server. Geo- clustered containerized data centers designed to exploit free-cooling containing non-GUI OS servers co-located with wind turbines are the recommended implementation of a grid independent data center.

Degree

Ph.D.

Advisors

Dietz, Purdue University.

Subject Area

Information Technology|Computer science

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