Adaptive join query processing in data grids: exploring relation partial replicas and load balancing

Authors:
Donghua Yang;Jianzhong Li;Hong Gao
Affiliations:
School of Computer Science and Technology, Harbin Institute of Technology, China;School of Computer Science and Technology, Harbin Institute of Technology, China;School of Computer Science and Technology, Harbin Institute of Technology, China
Venue:
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
Year:
2007

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Join algorithm using multiple replicas in data grid

WAIM'05 Proceedings of the 6th international conference on Advances in Web-Age Information Management

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Abstract

Query processing in data grids is a complex issue due to the heterogeneous, unpredictable and volatile behavior of grid resources. Considering the existence of multiple partial replicas for each relation and the volatile nature of grid environment, this paper investigates the issues and proposes an adaptive, load-balanced join processing approach. Analytical and experimental results show the effectiveness of our approach.