PASS: A Hybrid Storage System for Performance-Synchronization Tradeoffs Using SSDs

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Big Data
Format: PDF
Recent advances in flash memory show great potential to replace traditional Hard Disk Drives (HDDs) with flash-based Solid State Drives (SSDs) from personal computing to distributed systems. However, it is still a long way to go before completely using SSDs for enterprise data storage. Considering the cost, performance, and reliability of SSDs, a practical solution is to combine both SSDs and HDDs together. This paper proposes a hybrid storage system named PASS (Performance-dAta Synchronization - hybrid storage System) to tradeoff between I/O performance and data discrepancy between SSDs and HDDs.
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