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FineDedup: A fine-grained deduplication technique for extending lifetime of flash-based SSDs

Title
FineDedup: A fine-grained deduplication technique for extending lifetime of flash-based SSDs
Authors
Kim, Tae JinKim, Ji HongLee, Sung Jin
DGIST Authors
Lee, Sung Jin
Issue Date
2017-10
Citation
Journal of Semiconductor Technology and Science, 17(5), 648-659
Type
Article
Article Type
Article
Keywords
Digital storageFlash memoryReliabilityData de duplicationsDe duplicationsEffective solutionLife spanMemory requirementsNAND flash memorySolid state disksTechnical difficultiesFlash-based SSDs
ISSN
1598-1657
Abstract
Data deduplication is an effective solution in improving the lifetime of flash-based solid-state drives (SSDs) by preventing redundant data from being written to flash memory. Existing deduplication techniques for SSDs, however, fail to fully eliminate potential redundant data because of their coarse-grained granularity. In this paper, a fine-grained deduplication technique for SSDs, called FineDedup, is proposed to improve the likelihood of eliminating redundant data. FineDedup also resolves technical difficulties caused by its finer granularity, i.e., increased memory requirement and read response time. The results show that FineDedup reduces the amount of written data by up to 24% over existing techniques with negligible. © 2017, Institute of Electronics Engineers of Korea. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/5643
DOI
10.5573/JSTS.2017.17.4.648
Publisher
Institute of Electronics Engineers of Korea
Related Researcher
  • Author Lee, Sung Jin Data-Intensive Computing Systems Laboratory
  • Research Interests Computer System, System Software, Storage System, Non-volatile Memory, Flash-based SSD, Distributed Storage Systems
Files:
There are no files associated with this item.
Collection:
Department of Information and Communication EngineeringData-Intensive Computing Systems Laboratory1. Journal Articles


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