BPLRU: A Buffer Management Scheme for Improving Random Writes in Flash Storage

By Hyojun Kim, Seongjun Ahn. USENIX Conference on File and Storage Technologies, 2008

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Understanding intrinsic characteristics and system implications of flash memory based solid state drives (2009, background): “Since SSD shares a common interface with the traditionalharddiskdrive(HDD),bothphysically andlogically, an e.ective integration of SSD into the storage hierarchy is very important.”
ChunkStash: Speeding Up Inline Storage Deduplication Using Flash Memory (2010, background): “However, for the workloads with random access patterns, these schemes show very poor performance [21, 23, 26, 28, 32].”
DFTL: a flash translation layer employing demand-based selective caching of page-level address mappings (2009, background): “Recent research has focused on improving random write perfo rmance of flash by adding DRAM-backed buffers [25] or buffering requests to increase their sequentiality [20].”
Design Tradeoffs for SSD Performance (2008, background): “Kim and Ahn [ 17 ] propose a cache-management strategy that improves random-write performance for SSDs operating with a block-sized logical page.”