Influence of access pattern on performance of NAND-based storage

Ilhoon Shin

doi:10.1007/978-3-642-22603-8_6

Influence of access pattern on performance of NAND-based storage

Ilhoon Shin

Electronic Engineering Program

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

NAND flash memory lacks an over-write operation, and NAND-based storage deploys flash translation layer (FTL), which emulates the over-write with out-of-place updates. The performance of NAND-based storage is mainly determined by the performance of the FTL, which significantly varies according to access pattern. The present work aims to identify key attributes of access pattern which favors for the FTL. If the key attributes are identified, file systems can be modified to generate NAND-friendly access pattern. The performance evaluation results through trace-driven simulations shows that the request size is the most critical factor that impacts on the performance.

Original language	English
Title of host publication	Digital Enterprise and Information Systems - International Conference, DEIS 2011, Proceedings
Pages	63-69
Number of pages	7
DOIs	https://doi.org/10.1007/978-3-642-22603-8_6
State	Published - 2011
Event	International Conference on Digital Enterprise and Information Systems, DEIS 2011 - London, United Kingdom Duration: 20 Jul 2011 → 22 Jul 2011

Publication series

Name	Communications in Computer and Information Science
Volume	194 CCIS
ISSN (Print)	1865-0929

Conference

Conference	International Conference on Digital Enterprise and Information Systems, DEIS 2011
Country/Territory	United Kingdom
City	London
Period	20/07/11 → 22/07/11

Keywords

access pattern
flash translation layer
NAND flash memory
NAND-friendliness

Access to Document

10.1007/978-3-642-22603-8_6

Cite this

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title = "Influence of access pattern on performance of NAND-based storage",

abstract = "NAND flash memory lacks an over-write operation, and NAND-based storage deploys flash translation layer (FTL), which emulates the over-write with out-of-place updates. The performance of NAND-based storage is mainly determined by the performance of the FTL, which significantly varies according to access pattern. The present work aims to identify key attributes of access pattern which favors for the FTL. If the key attributes are identified, file systems can be modified to generate NAND-friendly access pattern. The performance evaluation results through trace-driven simulations shows that the request size is the most critical factor that impacts on the performance.",

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author = "Ilhoon Shin",

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Shin, I 2011, Influence of access pattern on performance of NAND-based storage. in Digital Enterprise and Information Systems - International Conference, DEIS 2011, Proceedings. Communications in Computer and Information Science, vol. 194 CCIS, pp. 63-69, International Conference on Digital Enterprise and Information Systems, DEIS 2011, London, United Kingdom, 20/07/11. https://doi.org/10.1007/978-3-642-22603-8_6

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AB - NAND flash memory lacks an over-write operation, and NAND-based storage deploys flash translation layer (FTL), which emulates the over-write with out-of-place updates. The performance of NAND-based storage is mainly determined by the performance of the FTL, which significantly varies according to access pattern. The present work aims to identify key attributes of access pattern which favors for the FTL. If the key attributes are identified, file systems can be modified to generate NAND-friendly access pattern. The performance evaluation results through trace-driven simulations shows that the request size is the most critical factor that impacts on the performance.

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Influence of access pattern on performance of NAND-based storage

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