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153
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OSDI
2006
ACM
16 years 29 days ago
Ceph: A Scalable, High-Performance Distributed File System
We have developed Ceph, a distributed file system that provides excellent performance, reliability, and scalability. Ceph maximizes the separation between data and metadata manage...
Sage A. Weil, Scott A. Brandt, Ethan L. Miller, Da...
203
Voted
VLDB
2004
ACM
119views Database» more  VLDB 2004»
16 years 27 days ago
Evaluating holistic aggregators efficiently for very large datasets
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
Lixin Fu, Sanguthevar Rajasekaran
87
Voted
ICDE
2010
IEEE
235views Database» more  ICDE 2010»
16 years 12 days ago
Cost-efficient and Differentiated Data Availability Guarantees in Data Clouds
Abstract-- Failures of any type are common in current datacenters. As data scales up, its availability becomes more complex, while different availability levels per application or ...
Nicolas Bonvin, Thanasis G. Papaioannou, Karl Aber...
111
Voted
PERCOM
2004
ACM
16 years 7 days ago
Drishti: An Integrated Indoor/Outdoor Blind Navigation System and Service
There are many navigation systems for visually impaired people but few can provide dynamic interactions and adaptability to changes. None of these systems work seamlessly both ind...
Lisa Ran, Sumi Helal, Steve Moore
ICCAD
2007
IEEE
131views Hardware» more  ICCAD 2007»
15 years 9 months ago
Low-overhead design technique for calibration of maximum frequency at multiple operating points
— Determination of maximum operating frequencies (Fmax) during manufacturing test at different operating voltages is required to: (a) to ensure that, for a Dynamic Voltage and Fr...
Somnath Paul, Sivasubramaniam Krishnamurthy, Hamid...