ReHypar: A Recursive Hybrid Chunk Partitioning Method Using NAND-Flash Memory SSD
نویسندگان
چکیده
منابع مشابه
ReHypar: A Recursive Hybrid Chunk Partitioning Method Using NAND-Flash Memory SSD
Due to the rapid development of flash memory, SSD is considered to be the replacement of HDD in the storage market. Although SSD retains several promising characteristics, such as high random I/O performance and nonvolatility, its high expense per capacity is the main obstacle in replacing HDD in all storage solutions. An alternative is to provide a hybrid structure where a small portion of SSD...
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متن کاملDeveloping NAND Flash-Memory SSD-Based File System Design
This paper focuses on I/O optimizations of N-hybrid (New-Form of hybrid), which provides a hybrid file system space constructed on SSD and HDD. Although the promising potentials of SSD, such as the absence of mechanical moving overhead and high random I/O throughput, have drawn a lot of attentions from IT enterprises, its high ratio of cost/capacity makes it less desirable to build a large-scal...
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NAND flash-based SSDs utilize out-of-place update to prevent erase operations from blocking regular requests, in the meanwhile, out-of-place update creates a huge amount of invalid pages. Traditional FTLs perceive these invalid pages as useless data and discard them during garbage collection. But given value locality, certain values are likely to appear afterward, resulting in abundant invalid ...
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ژورنال
عنوان ژورنال: The Scientific World Journal
سال: 2014
ISSN: 2356-6140,1537-744X
DOI: 10.1155/2014/658161