Can large disk built-in caches really improve system performance?

Authors:
Yingwu Zhu;Yiming Hu
Affiliations:
University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH
Venue:
SIGMETRICS '02 Proceedings of the 2002 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Year:
2002

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Abstract

Via detailed file system and disk system simulation, we examine the impact of disk built-in caches on the system performance. Our results indicate that the current trend of using large built-in caches is unnecessary and a waste of money and power for most users. Disk manufacturers could use much smaller built-in caches to reduce the cost as well as power-consumption, without affecting performance.