A flexible simulation environment for flash-aware algorithms

Authors:
Peiquan Jin;Xuan Su;Zhi Li;Lihua Yue
Affiliations:
University of Science and Technology of China, Hefei, China;University of Science and Technology of China, Hefei, China;University of Science and Technology of China, Hefei, China;University of Science and Technology, Hefei, China
Venue:
Proceedings of the 18th ACM conference on Information and knowledge management
Year:
2009

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Abstract

In this paper, we present a flexible simulation environment for the performance evaluation of flash-aware algorithms, which is called Flash-DBSim. The main purpose of Flash-DBSim is to provide a configurable virtual flash disk for upper systems, such as file system and DBMS, so that the algorithms in those systems can be easily evaluated on different types of flash disks. Moreover, it also offers a prototyping environment for those algorithms inside flash disk, e.g. the algorithms for garbage collection or wear-leveling. After an overview of the general features of Flash-DBSim, we discuss the architecture of Flash-DBSim. And finally, a case study of Flash-DBSim's demonstration is presented.