TreeFTL: Efficient RAM Management for High Performance of NAND Flash-based Storage Systems

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Provided by: edaa
Topic: Storage
Format: PDF
NAND flash memory is widely used for secondary storage today. The Flash Translation Layer (FTL) is the embedded software that is responsible for managing and operating in flash storage system. One important module of the FTL performs RAM management. It is well-known to have a significant impact on flash storage system's performance. This paper proposes an efficient RAM management scheme called TreeFTL. As the name suggests, TreeFTL organizes address translation pages and data pages in RAM in a tree structure, through which it dynamically adapts to workloads by adjusting the partitions for address mapping and data buffering.
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