Abstract
The power consumption of cloud data centers has a considerable impact on the environment and climate change nowadays. Researchers are seeking to find practical solutions to reduce power consumption in data centers while guaranteeing the desired level of services and service level objectives. With the establishment of the data center industry, the demand for computation and data storage has been continually rising. Energy efficiency is one of the most significant issues faced by these big data centers to meet such high computational requirements. There are many industry acceptable metrics available such as PUE, DCiE, DCP, etc. Power Usage Effectiveness (PUE) metric has proven to be the most popular in measuring energy efficiency; however, it measures the power efficiency alone with no consideration for CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> emissions and the costs involved in total power usage across data centers. In this article, we proposed a novel Power Efficiency Measurement Calculator (PEMC) that combines and calculates the power efficiency, CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> emissions, and the total annual costs incurred. The pseudocode and algorithm to perform these specific PUE, DCiE, and CO2 emission functions are given to explain the working of proposed work. Finally, the proposed PEMC calculator was tested and validated through a case study performed in one of the tier-level data centers in Malaysia and the results demonstrate its effectiveness compared with Power Usage Effectiveness (PUE) and other known calculators.
Highlights
The information and communication technology (ICT) sector has shown tremendous exponential growth in recent years
This paper proposes a variant of previously available metrics from the Green Grid like Power Usage Effectiveness (PUE) and DATA CENTER INFRASTRUCTURE EFFICIENCY (DCIE) called the Power Efficiency Measurement Calculator (PEMC) which measures power efficiency and carbon footprints, CO2 emissions from the tier-level data centers as they consume a tremendous amount of power
In this paper, we have proposed a PEMC calculator which takes into consideration many features and delivers more benefits when compared with other metrics and approaches found in the literature
Summary
The information and communication technology (ICT) sector has shown tremendous exponential growth in recent years. A much higher level of CO2 emissions was calculated over the years due to increased demand for servers and the electricity required for the maintenance of these large cloud data centers worldwide [4]. Previous researchers and vendors highlight that the IT part used for performing computational activities is highly underutilized, i.e., the power used to execute and process computational systems is much less than the servers’ could support It is, essential to understand, adopt and implement different power efficiency and power-related metrics to measure the use of power at the various phases of the power chain in numerous components of the tier level data center. This paper proposes a variant of previously available metrics from the Green Grid like PUE and DCIE called the Power Efficiency Measurement Calculator (PEMC) which measures power efficiency and carbon footprints, CO2 emissions from the tier-level data centers as they consume a tremendous amount of power.
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