Journal of Information Technology Services (한국IT서비스학회지)

Korea Society of IT Services (한국IT서비스학회)
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A Study on Energy Efficiency in Servers Adopting AFA(All-Flash Array)

AFA(All-Flash Array) 탑재 서버의 에너지 효율성에 대한 연구

  • 김영만 (국민대학교 소프트웨어학부) ;
  • 한재일 (국민대학교 소프트웨어학부)
  • Received : 2018.11.09
  • Accepted : 2019.02.15
  • Published : 2019.03.31
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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

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Inside of a Server Computer

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CentOS 7 Linux Operating System

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Write Time(File Size)

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Power Consumption(File Size)

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Write Time(CPU Speed)

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Power Consumption(CPU Speed)

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Write Time(Fsync Call Count)

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Power Consumption(Fsync Call Count)

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Write Time(Write Buffer Size)

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Read Time(File Size)

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Power Consumption(File Size)

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Read Time(CPU Speed)

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Power Consumption(CPU Speed)

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Read Time(Read Buffer Size)

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Power Consumption(Read Buffer Size)

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Read Time(Data Type)

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Power Consumption(Data Type)

Average Power Consumption

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