research-article

DTFS: exploiting the similarity of data versions to design a write-efficient file system in phase-change memory

Authors:

Hyokyung BahnAuthors Info & Claims

SAC '14: Proceedings of the 29th Annual ACM Symposium on Applied Computing

Pages 1535 - 1540

https://doi.org/10.1145/2554850.2555032

Published: 24 March 2014 Publication History

Abstract

Phase-change memory (PCM) has emerged as one of the most promising technologies to incorporate into the storage hierarchy of future computer systems. However, PCM has critical weaknesses in performing write operations. Specifically, the access latency and the energy consumption that occur during a write operation are about 6--10 times larger than those of a read operation in PCM. To cope with this situation, we analyze the write access characteristics of file systems, and observe that a large percentage of file write I/Os incurs small changes from the previous version. Based on this observation, we design a novel file system for PCM called DTFS (dual-tree file system) that incurs minimal writes to PCM. DTFS performs better than legacy file systems, but its reliability is as high as any file systems based on journaling or copy-on-write. Experiments with various workload conditions show that DTFS improves the file system performance and the energy consumption by 47% and 67% on average, respectively, compared to copy-on-write file systems such as ZFS and BtrFS.

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Cited By

Li CFeng DHua YWang F(2019)A high-performance and endurable SSD cache for parity-based RAIDFrontiers of Computer Science: Selected Publications from Chinese Universities10.1007/s11704-017-6523-913:1(16-34)Online publication date: 1-Feb-2019
https://dl.acm.org/doi/10.1007/s11704-017-6523-9
Lee EKang HBahn HShin K(2016)Eliminating Periodic Flush Overhead of File I/O with Non-Volatile Buffer CacheIEEE Transactions on Computers10.1109/TC.2014.234952565:4(1145-1157)Online publication date: 1-Apr-2016
https://dl.acm.org/doi/10.1109/TC.2014.2349525
Li CFeng DHua YWang F(2016)Improving RAID Performance Using an Endurable SSD Cache2016 45th International Conference on Parallel Processing (ICPP)10.1109/ICPP.2016.52(396-405)Online publication date: Aug-2016
https://doi.org/10.1109/ICPP.2016.52

Index Terms

DTFS: exploiting the similarity of data versions to design a write-efficient file system in phase-change memory
1. Information systems
  1. Information storage systems
    1. Record storage systems
      1. Record storage alternatives
2. Software and its engineering
  1. Software organization and properties
    1. Contextual software domains
      1. Operating systems
        File systems management
        Memory management
        Secondary storage

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Published In

cover image ACM Conferences

SAC '14: Proceedings of the 29th Annual ACM Symposium on Applied Computing

March 2014

1890 pages

ISBN:9781450324694

DOI:10.1145/2554850

Conference Chairs:
Yookun Cho
Seoul National University, Korea
,
Sung Y. Shin
South Dakota State University
,
Program Chairs:
Sangwook Kim
Kyungpook National University, Korea
,
Chih-Cheng Hung
Southern Polytechnic State University
,
Jiman Hong
Soongsil University, South Korea

Copyright © 2014 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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SIGAPP: ACM Special Interest Group on Applied Computing

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 24 March 2014

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National Research Foundation of Korea

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SAC 2014

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SIGAPP

SAC 2014: Symposium on Applied Computing

March 24 - 28, 2014

Gyeongju, Republic of Korea

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SAC '14 Paper Acceptance Rate 218 of 939 submissions, 23%;

Overall Acceptance Rate 1,650 of 6,669 submissions, 25%

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Cited By

Li CFeng DHua YWang F(2019)A high-performance and endurable SSD cache for parity-based RAIDFrontiers of Computer Science: Selected Publications from Chinese Universities10.1007/s11704-017-6523-913:1(16-34)Online publication date: 1-Feb-2019
https://dl.acm.org/doi/10.1007/s11704-017-6523-9
Lee EKang HBahn HShin K(2016)Eliminating Periodic Flush Overhead of File I/O with Non-Volatile Buffer CacheIEEE Transactions on Computers10.1109/TC.2014.234952565:4(1145-1157)Online publication date: 1-Apr-2016
https://dl.acm.org/doi/10.1109/TC.2014.2349525
Li CFeng DHua YWang F(2016)Improving RAID Performance Using an Endurable SSD Cache2016 45th International Conference on Parallel Processing (ICPP)10.1109/ICPP.2016.52(396-405)Online publication date: Aug-2016
https://doi.org/10.1109/ICPP.2016.52

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