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Performance models of flash-based solid-state drives for real workloads | IEEE Conference Publication | IEEE Xplore

Performance models of flash-based solid-state drives for real workloads


Abstract:

There is a wide gap between the potential performance of NAND flash-based solid state drives (SSDs) and their performance in many real-world applications; understanding t...Show More

Abstract:

There is a wide gap between the potential performance of NAND flash-based solid state drives (SSDs) and their performance in many real-world applications; understanding this gap requires knowledge of their behavior and internal algorithms for various workloads. We develop analytic models for two commonly-used Flash Translation Layer (FTL) algorithms, as used in SSDs, as well as a methodology for applying these models to real-world workloads. We demonstrate the accuracy of these models via simulation, extend this approach to incorporate measurement-based approximations when detailed parameters are unknown, and validate this methodology against real devices.
Date of Conference: 23-27 May 2011
Date Added to IEEE Xplore: 04 July 2011
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Conference Location: Denver, CO, USA

References

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