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» A disk head scheduling simulator
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USENIX
2007
13 years 7 months ago
Evaluating Block-level Optimization Through the IO Path
This paper focuses on evaluation of the effectiveness of optimization at various layers of the IO path, such as the file system, the device driver scheduler, and the disk drive i...
Alma Riska, James Larkby-Lahet, Erik Riedel
USENIX
2003
13 years 6 months ago
Robust, Portable I/O Scheduling with the Disk Mimic
We propose a new approach for I/O scheduling that performs on-line simulation of the underlying disk. When simulation is integrated within a system, three key challenges must be a...
Florentina I. Popovici, Andrea C. Arpaci-Dusseau, ...
IDEAS
2002
IEEE
113views Database» more  IDEAS 2002»
13 years 10 months ago
Scalable QoS-Aware Disk-Scheduling
A new quality of service (QoS) aware disk scheduling algorithm is presented. It is applicable in environments where data requests arrive with different QoS requirements such as re...
Walid G. Aref, Khaled El-Bassyouni, Ibrahim Kamel,...
EUROSYS
2008
ACM
13 years 7 months ago
Efficient guaranteed disk request scheduling with fahrrad
Guaranteed I/O performance is needed for a variety of applications ranging from real-time data collection to desktop multimedia to large-scale scientific simulations. Reservations...
Anna Povzner, Tim Kaldewey, Scott A. Brandt, Richa...
FODO
1998
Springer
241views Algorithms» more  FODO 1998»
13 years 9 months ago
2D BubbleUp: Managing Parallel Disks for Media Servers
In this study we present a scheme called two-dimensional BubbleUp (2DB) for managing parallel disks in a multimedia server. Its goal is to reduce initial latency for interactive m...
Edward Y. Chang, Hector Garcia-Molina, Chen Li