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Prediction Services for Distributed Computing

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1 Author(s)
Warren Smith ; Texas Advanced Computing Center, The University of Texas at Austin.

Users of distributed systems such as the TeraGrid and Open Science Grid can execute their applications on many different systems. We wish to help such users, or the grid schedulers they use, select where to run applications by providing predictions of when tasks will complete if sent to different systems. We make predictions of file transfer times, batch scheduler queue wait times, and application execution times using historical information and instance-based learning techniques. Our prediction errors for data from the TACC lonestar system are 37 percent of mean file transfer time, 115 percent for mean queue wait time, and 72 percent of mean execution time. Our approach achieves significantly lower prediction error on other workloads. We have wrapped these prediction techniques with Web services, making predictions available to users of distributed systems as well as tools such as resource brokers and metaschedulers.

Published in:

2007 IEEE International Parallel and Distributed Processing Symposium

Date of Conference:

26-30 March 2007