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A technique to enhance performance of log-based file systems for flash memory in embedded systems

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2 Author(s)
Junkil Ryu ; Department of Computer Science and Engineering, Pohang University of Science and Technology (POSTECH), San 31, Pohang, Kyungbuk, Republic of Korea ; Chanik Park

In this paper, we address the problems of the existing log-based flash memory file systems analytically and propose an efficient log-based file system, which produces higher performance, less memory usage and mount time than the existing log-based file systems. Our ideas are applied to a well-known log-based flash memory file system (YAFFS2) and the performance tests are conducted by comparing our prototype with YAFFS2. The experimental results show that our prototype achieves higher performance, less system memory usage, and faster mounting than YAFFS2, which is better than JFFS2.

Published in:

Digital Information Management, 2007. ICDIM '07. 2nd International Conference on  (Volume:2 )

Date of Conference:

28-31 Oct. 2007