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PS-BC: power-saving considerations in design of buffer caches serving heterogeneous storage devices

Published: 18 August 2010 Publication History

Abstract

Under a replacement policy, existing operating systems identify and maintain most frequently used storage data in buffer caches located in main memory, aiming at low-latency I/O data accesses. However, replacement policies can also strongly affect energy consumptions of various connected storage devices, which has not been a consideration in the design and implementation of buffer cache management. In this paper, we present a system framework for an energy-aware buffer cache replacement, called PS-BC (power-saving buffer cache). By considering several critical factors affecting system energy consumption, PS-BC can effectively improve system energy efficiency, while it is able to flexibly incorporate conventional performance-oriented buffer cache replacement policies for different performance objectives. Our experimental studies based on a trace-driven simulation show that the PS-BC framework embedded with the CLOCK replacement policy can achieve an energy saving rate of up to 32.5% with a minimal overhead for various workloads.

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Cited By

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  • (2017)GDS-LCACM Transactions on Storage10.1145/314937413:4(1-33)Online publication date: 24-Nov-2017
  • (2017)Survey on energy-efficient hard drive disks2017 International Conference on Computing, Networking and Communications (ICNC)10.1109/ICCNC.2017.7876257(929-931)Online publication date: Jan-2017
  • (2012)Improving energy efficiency of buffer cache in virtual machinesProceedings of the 2012 International Green Computing Conference (IGCC)10.1109/IGCC.2012.6322274(1-10)Online publication date: 4-Jun-2012

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  1. PS-BC: power-saving considerations in design of buffer caches serving heterogeneous storage devices

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cover image ACM Conferences
ISLPED '10: Proceedings of the 16th ACM/IEEE international symposium on Low power electronics and design
August 2010
458 pages
ISBN:9781450301466
DOI:10.1145/1840845
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 18 August 2010

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Author Tags

  1. buffer caches
  2. energy saving
  3. hard disk
  4. power management

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Overall Acceptance Rate 398 of 1,159 submissions, 34%

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Cited By

View all
  • (2017)GDS-LCACM Transactions on Storage10.1145/314937413:4(1-33)Online publication date: 24-Nov-2017
  • (2017)Survey on energy-efficient hard drive disks2017 International Conference on Computing, Networking and Communications (ICNC)10.1109/ICCNC.2017.7876257(929-931)Online publication date: Jan-2017
  • (2012)Improving energy efficiency of buffer cache in virtual machinesProceedings of the 2012 International Green Computing Conference (IGCC)10.1109/IGCC.2012.6322274(1-10)Online publication date: 4-Jun-2012

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