Predicting Free Computing Capacities on Individual Machines

  • Authors:
  • Alek Opitz;Hartmut Koenig

  • Affiliations:
  • Brandenburg Technical University Cottbus, Germany;Brandenburg Technical University Cottbus, Germany

  • Venue:
  • GPC '09 Proceedings of the 4th International Conference on Advances in Grid and Pervasive Computing
  • Year:
  • 2009

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Abstract

The basic idea of grid computing is a better use of underutilized resources. Following this idea, desktop grids target ordinary workstations, which are very powerful today. However, due to the priority of the local users, it is impossible to exclusively reserve com puting time for grid jobs on these machines. Consequently, an already running grid job might be delayed or even canceled. A forecast of future available computing capacities could alleviate this problem. Such a prediction would be especially useful for the allocation of the most appro priate machines and for making stochastic assertions on the completion of submitted jobs. In this paper we discuss suitable approaches for predicting the availability of computer resources. We develop measures to finally make a comparison of the approaches, which is based on empirical data from available workstations.