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2011
12 years 9 months ago
A Scheduling Framework That Makes Any Disk Schedulers Non-Work-Conserving Solely Based on Request Characteristics
Exploiting spatial locality is critical for a disk scheduler to achieve high throughput. Because of the high cost of disk head seeks and the non-preemptible nature of request serv...
Yuehai Xu, Song Jiang
VEE
2010
ACM
204views Virtualization» more  VEE 2010»
13 years 6 months ago
Energy-efficient storage in virtual machine environments
Current trends in increasing storage capacity and virtualization of resources combined with the need for energy efficiency put a challenging task in front of system designers. Pre...
Lei Ye, Gen Lu, Sushanth Kumar, Chris Gniady, John...
EXPCS
2007
13 years 9 months ago
Quantifying the performance isolation properties of virtualization systems
In this paper, we present the design of a performance isolation benchmark that quantifies the degree to which a virtualization system limits the impact of a misbehaving virtual ma...
Jeanna Neefe Matthews, Wenjin Hu, Madhujith Hapuar...
USENIX
1994
13 years 7 months ago
A Quantitative Analysis of Disk Drive Power Management in Portable Computers
With the advent and subsequent popularity of portable computers, power management of system components has become an important issue. Current portable computers implement a number...
Kester Li, Roger Kumpf, Paul Horton, Thomas E. And...
CCGRID
2003
IEEE
13 years 11 months ago
Improved Read Performance in a Cost-Effective, Fault-Tolerant Parallel Virtual File System (CEFT-PVFS)
Due to the ever-widening performance gap between processors and disks, I/O operations tend to become the major performance bottleneck of data-intensive applications on modern clus...
Yifeng Zhu, Hong Jiang, Xiao Qin, Dan Feng, David ...