Characterization of a computational grid as a complex system

  • Authors:
  • Lovro Ilijašić;Lorenza Saitta

  • Affiliations:
  • Università degli Studi di Torino, Torino, Italy;Università del Piemonte Orientale, Alessandria, Italy

  • Venue:
  • GMAC '09 Proceedings of the 6th international conference industry session on Grids meets autonomic computing
  • Year:
  • 2009

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Abstract

On the grid log data of more than 28 million jobs collected during 20 months, we use statistical and data mining methods to examine the relations primarily between users, computing elements and jobs in the network. The results of the large-scale analysis are used for building probabilistic models of the system behaviour. Bayesian Networks are constructed on historical data and are proven to be able to accurately predict abortion and lengths of newly arriving jobs.