Practical Adaptation to Changing Resources in Grid Query Processing

Authors:
Anastasios Gounaris;Norman W. Paton;Rizos Sakellariou;Alvaro A. A. Fernandes;Jim Smith;Paul Watson
Affiliations:
University of Manchester, UK;University of Manchester, UK;University of Mancheste, UK;University of Manchester, UK;Univ. of Newcastle-Upon-Tyne, UK;Univ. of Newcastle-Upon-Tyne, UK
Venue:
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Year:
2006

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Abstract

Grid computational resources, as well as being heterogeneous, may also exhibit unpredictable, volatile behaviour. Therefore, query processing on the Grid needs to be adaptive in order to cope with evolving resource characteristics, such as machine load and availability. To address this challenge in a Grid environment, the non-adaptive OGSA-DQP1 system described in [1] has been enhanced with adaptive capabilities.