2014
DOI: 10.1002/spe.2299
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TridentFS: a hybrid file system for non-volatile RAM, flash memory and magnetic disk

Abstract: SUMMARYA hybrid file system with high flexibility and performance, called Trident file system (TridentFS), is proposed to manage three types of storage with different performance characteristics, that is, Non-Volatile RAM (NVRAM), flash memory and magnetic disk. Unlike previous NVRAM-based hybrid file systems, novel techniques are used in TridentFS to improve the flexibility and performance. TridentFS is flexible by the support of various forms of flash memory and a wide range of NVRAM size. The former is achi… Show more

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Cited by 10 publications
(4 citation statements)
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“…There is a lot of research built on hybrid PM‐SSD architecture. For example, TridentFS 8 keeps hot data in PM to reduce I/O accesses to slower flash memory, and NVMRA 9 utilizes PM to improve the random write performance of flash memory. However, our work focuses on PM and uses the performance characteristics of DRAM to supplement PM.…”
Section: Background and Motivationmentioning
confidence: 99%
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“…There is a lot of research built on hybrid PM‐SSD architecture. For example, TridentFS 8 keeps hot data in PM to reduce I/O accesses to slower flash memory, and NVMRA 9 utilizes PM to improve the random write performance of flash memory. However, our work focuses on PM and uses the performance characteristics of DRAM to supplement PM.…”
Section: Background and Motivationmentioning
confidence: 99%
“…With near‐DRAM access latency, high capacity, and disk‐like persistence, PM devices are promising to replace DRAM as the next‐generation main memory 2‐4 . The rapid development of PM technologies has significantly affected the design of today's storage systems 5‐10 . It is crucial for large‐scale storage systems to build high‐performance indexing structures for PM to achieve fast queries.…”
Section: Introductionmentioning
confidence: 99%
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“…In the early stage, NVM is deployed as a cache to the HDD devices [39,116,117]. In [117] and [118], the emerging NVM and NAND flash memory are both employed as the cache for HDD to improve the energy efficiency and overall system performance.…”
Section: Hybrid Structures Using Various Nvmsmentioning
confidence: 99%