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zf-FTL: A Zero-Free Flash Translation Layer

Title
zf-FTL: A Zero-Free Flash Translation Layer
Author
강수용
Keywords
solid state drive; zero page elimination; data reduction; flash translation layer
Issue Date
2016-04
Publisher
ACM
Citation
SAC '16 Proceedings of the 31st Annual ACM Symposium on Applied Computing, Page. 1893-1896
Abstract
Data reduction schemes accompany additional metadata maintenance overhead and computation overhead, they have been implemented in host systems with relatively rich amounts of resources rather than the inside of storage devices with insufficient resources. However, following the recent advent of flash memory based Solid State Drives (SSD), attempts to apply these schemes to the inside of storage devices have been active. Nevertheless, complex data reduction schemes such as compression and deduplication cannot still be easily utilized in the inside of SSD without being accelerated by additional hardware. In this paper, we develop a zerofree FTL (zf-FTL), an FTL which equips with the zero page elimination functionality. The zf-FTL effectively reduces the amount of data that will be actually written to the flash memory without requiring any additional data structure or dedicated hardware.
URI
https://dl.acm.org/citation.cfm?doid=2851613.2851944http://hdl.handle.net/20.500.11754/49665
ISBN
978-145033739-7
DOI
10.1145/2851613.2851944
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > COMPUTER SCIENCE(컴퓨터소프트웨어학부) > Articles
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