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http://dx.doi.org/10.9716/KITS.2019.18.1.079

A Study on Energy Efficiency in Servers Adopting AFA(All-Flash Array)  

Kim, Young Man (국민대학교 소프트웨어학부)
Han, Jaeil (국민대학교 소프트웨어학부)
Publication Information
Journal of Information Technology Services / v.18, no.1, 2019 , pp. 79-90 More about this Journal
Abstract
Maximizing energy efficiency minimizes the energy consumption of computation, storage and communications required for IT services, resulting in economic and environmental benefits. Recent advancement of flash and next generation non-volatile memory technology and price decrease of those memories have led to the rise of so-called AFA (All-Flash Array) storage devices made of flash or next generation non-volatile memory. Currently, the AFA devices are rapidly replacing traditional storages in the high-performance servers due to their fast input/output characteristics. However, it is not well known how effective the energy efficiency of the AFA devices in the real world. This paper shows input/output performance and power consumption of the AFA devices measured on the Linux XFS file system via experiments and discusses energy efficiency of the AFA devices in the real world.
Keywords
All-Flash Array; NVMe; NVDIMM; Energy Efficiency; File System;
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