LOCA: a low-overhead caching algorithm for flash-based SSDs Online publication date: Tue, 08-Mar-2016
by Yan Shen; Liming Luo; Guangyan Zhang
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 10, No. 1, 2016
Abstract: Most existing flash-aware caching algorithms focus on the asymmetry of read/write operations while we address the discrepancy of the asymmetry for different flash-based SSDs. We propose a low-overhead caching algorithm (LOCA), which considers the frequency of pages and the discrepancy of the asymmetry for different SSDs. When selecting a victim page, LOCA chooses a low overhead victim page according to the ratio of read/write cost and the ratio of dirty pages to clean pages. The experiments show that LOCA works well for different kinds of SSDs and workloads.
Online publication date: Tue, 08-Mar-2016
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