Replication heuristics for efficient workflow execution on grids

Authors:
J. L. Vázquez-Poletti;E. Huedo;R. S. Montero;I. M. Llorente
Affiliations:
Departamento de Arquitectura de Computadores y Automática, Facultad de Informática, Universidad Complutense de Madrid, Madrid, Spain;Departamento de Arquitectura de Computadores y Automática, Facultad de Informática, Universidad Complutense de Madrid, Madrid, Spain;Departamento de Arquitectura de Computadores y Automática, Facultad de Informática, Universidad Complutense de Madrid, Madrid, Spain;Departamento de Arquitectura de Computadores y Automática, Facultad de Informática, Universidad Complutense de Madrid, Madrid, Spain
Venue:
OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems - Volume Part I
Year:
2007

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Abstract

Among the different heuristics available for optimizing workflow execution, the replication ones have been previously used in heterogeneous environments with good results. In this work, we analyze its use for workflow scheduling on Grid infrastructures. In particular, we study its applications to an intree workflow, generated by the distribution of the CD-HIT application. The experiments were conducted on a testbed made of resources from two different grids and results show a significant reduction of the workflow execution time.