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Flash memory is widely used for its fast random I/O access performance in a gamut of enterprise storage applications. However, due to the limited endurance and asymmetric write performance of flash memory, minimizing writes to a flash device is critical for both performance and endurance. Previous studies have focused on flash memory as a candidate for(More)
Log-structured applications and file systems have been used to achieve high write throughput by sequentializ-ing writes. Flash-based storage systems, due to flash memory's out-of-place update characteristic, have also relied on log-structured approaches. Our work investigates the impacts to performance and endurance in flash when multiple layers of(More)
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