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Abstract: Without power management, disks on portable computers consume 20-30% of the system's power. Previous papers showed that spinning down a 1 watt drive after 3-5 minutes of inactivity reduces the average power consumption to 0.5 watts with a slight performance penalty. We explored the addition of an infinite non-prefetch cache to filter disk traffic and showed it to be ineffective at reducing disk power consumption or improving performance. Modifying the cache to perform whole-file prefetching... (Update)
Context of citations to this paper: More
...36 of writes go to just one 1 Kbyte block and 24 of writes go to another. We used a dos trace collected by Kester Li at U.C. Berkeley [13], on IBM desktop PCs running Windows 3.1, also at file level. It includes deletions. The trace was similarly preprocessed. 10 Chapter 1 We...
...the cache size to beyond 16 MB still significantly improves power consumption, but not as much as fine grain spin down of the disk. Li 94] and [Marsh et al. 94] explore using flash memory as a second level cache between the DRAM cache and the disk. Both found that a 4 to 8...
Cited by: More
Low Power Memory Hierarchies: An Argument for Second-Level.. - Flanagan, Archibald, Su (1997) (Correct)
Cache Optimization For Energy Efficient Memory Hierarchies - Su (1995) (Correct)
Operating System and File System Monitoring: A Comparison of.. - Moore (1995) (Correct)
Active bibliography (related documents): More All
0.7: A Quantitative Analysis of Disk Drive Power Management.. - Li, kumpf, horton.. (1994) (Correct)
0.5: Continuous Display of Presentations Sharing Clips - Cyrus Shahabi (1995) (Correct)
0.4: Online Prediction Algorithms for Databases and Operating Systems - Krishnan (1995) (Correct)
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13: A Quantitative Analysis of Disk Drive Power Management in Portable Computers - Li, Kumpf et al. - 1994
8: Thwarting the Power Hungry Disk - Douglis, Krishnan et al. - 1994
7: Flash Memory File Caching for Mobile Computers - Marsh, Douglis et al. - 1994
BibTeX entry: (Update)
Kester Li. Towards a low power file system. Technical Report UCB-CSD-94-914, University of California at Berkeley, May 1994. http://citeseer.ist.psu.edu/article/li94towards.html More
@techreport{ li94towards,
author = "Kester Li",
title = "Towards {A} Low Power File System",
number = "CSD-94-814",
pages = "10",
year = "1994",
url = "citeseer.ist.psu.edu/article/li94towards.html" }
Citations (may not include all citations):320 Measurements of a Distributed File System - Baker, Hartman et al. - 1991
106 A Quantitative Analysis of Disk Drive Power Management in Po.. - Li, Kumpf et al. - 1994
97 Thwarting the Power-Hungry Disk - Douglis, Krishnan et al. - 1994
30 Non-volatile memory for fast, reliable file systems - Baker, Asami et al. - 1992
29 Flash Memory File Caching for Mobile Computers - Marsh, Douglis et al. - 1994
20 A TraceDriven Analysis of Name and Attribute Caching in a Di.. - Shirriff, Ousterhout - 1992
4 Dynamic Head Loading Technology Increases Drive Ruggedness (context) - Parrish, Kelsic - 1992
3 The MXL-105-III (context) - Corporation - 1993
2 Flash memory goes mainstream (context) - Dipert, Herbert - 1993
1 Filing in a flash (context) - Eldridge - 1993
1 Letter of Correction (context) - Hartman, Ousterhout - 1993
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