Two Dimensional Time-Series for Anomaly Detection and Regulation in Adaptive Systems

  • Authors:
  • Mark Burgess

  • Affiliations:
  • -

  • Venue:
  • DSOM '02 Proceedings of the 13th IFIP/IEEE International Workshop on Distributed Systems: Operations and Management: Management Technologies for E-Commerce and E-Business Applications
  • Year:
  • 2002

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Abstract

A two dimensional time approach is introduced in order to classify a periodic, adaptive threshold for service level anomaly detection. An iterative algorithm is applied to history analysis on this periodic time to provide a the smooth roll-off in the significance of the data with time. The algorithm described leads to an approximately ten-fold compression in data storage, and thousand fold improvement in computation cycles, compared to a naive time-series approach. The behaviour of this anomaly detector is discussed, and the result is implemented in cfengine for direct use in system management.