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SIGMOD
2011
ACM
238views Database» more  SIGMOD 2011»
14 years 9 months ago
Data management over flash memory
Flash SSDs are quickly becoming mainstream and emerge as alternatives to magnetic disks. It is therefore imperative to incorporate them seamlessly into the enterprise. We present ...
Ioannis Koltsidas, Stratis Viglas
SIGMOD
2007
ACM
176views Database» more  SIGMOD 2007»
16 years 6 months ago
URank: formulation and efficient evaluation of top-k queries in uncertain databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...
IWMM
2007
Springer
110views Hardware» more  IWMM 2007»
16 years 25 days ago
Path: page access tracking to improve memory management
Traditionally, operating systems use a coarse approximation of memory accesses to implement memory management algorithms by monitoring page faults or scanning page table entries. ...
Reza Azimi, Livio Soares, Michael Stumm, Thomas Wa...
CCGRID
2011
IEEE
14 years 10 months ago
A Segment-Level Adaptive Data Layout Scheme for Improved Load Balance in Parallel File Systems
Abstract—Parallel file systems are designed to mask the everincreasing gap between CPU and disk speeds via parallel I/O processing. While they have become an indispensable compo...
Huaiming Song, Yanlong Yin, Xian-He Sun, Rajeev Th...
FAST
2011
14 years 10 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