OBFS: A File System for Object-based Storage Devices (2004)
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| Venue: | IN PROCEEDINGS OF THE 21ST IEEE / 12TH NASA GODDARD CONFERENCE ON MASS STORAGE SYSTEMS AND TECHNOLOGIES, COLLEGE PARK, MD |
| Citations: | 28 - 6 self |
BibTeX
@INPROCEEDINGS{Wang04obfs:a,
author = {Feng Wang and Scott A. Brandt and Ethan L. Miller and Darrell D. E. Long},
title = {OBFS: A File System for Object-based Storage Devices},
booktitle = {IN PROCEEDINGS OF THE 21ST IEEE / 12TH NASA GODDARD CONFERENCE ON MASS STORAGE SYSTEMS AND TECHNOLOGIES, COLLEGE PARK, MD},
year = {2004},
pages = {283--300},
publisher = {}
}
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Abstract
The object-based storage model, in which files are made up of one or more data objects stored on self-contained Object-Based Storage Devices (OSDs), is emerging as an architecture for distributed storage systems. The workload presented to the OSDs will be quite different from that of generalpurpose file systems, yet many distributed file systems employ general-purpose file systems as their underlying file system. We present OBFS, a small and highly efficient file system designed for use in OSDs. Our experiments show that our user-level implementation of OBFS outperforms Linux Ext2 and Ext3 by a factor of two or three, and while OBFS is 1/25 the size of XFS, it provides only slightly lower read performance and 10%--40% higher write performance.
