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Cluster Computing and the Grid, IEEE International Symposium on (2007)
Rio De Janeiro, Brazil
May 14, 2007 to May 17, 2007
ISBN: 0-7695-2833-3
pp: 401-409
Arun Ramakrishnan , University of Southern California, Los Angeles, USA
Henan Zhao , University of Manchester, Manchester M13 9PL, UK
Rizos Sakellariou , University of Manchester, Manchester M13 9PL, UK
Kent Blackburn , California Institute of Technology
David Meyers , Northrop Grumman Information Technology, Pasadena
Michael Samidi , California Institute of Technology
ABSTRACT
In this paper we examine the issue of optimizing disk usage and of scheduling large-scale scientific workflows onto distributed resources where the workflows are dataintensive, requiring large amounts of data storage, and where the resources have limited storage resources. Our approach is two-fold: we minimize the amount of space a workflow requires during execution by removing data files at runtime when they are no longer required and we schedule the workflows in a way that assures that the amount of data required and generated by the workflow fits onto the individual resources. For a workflow used by gravitationalwave physicists, we were able to improve the amount of storage required by the workflow by up to 57 %. We also designed an algorithm that can not only find feasible solutions for workflow task assignment to resources in diskspace constrained environments, but can also improve the overall workflow performance.
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CITATION

D. Meyers et al., "Scheduling Data-IntensiveWorkflows onto Storage-Constrained Distributed Resources," Cluster Computing and the Grid, IEEE International Symposium on(CCGRID), Rio De Janeiro, Brazil, 2007, pp. 401-409.
doi:10.1109/CCGRID.2007.101
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