Parameter estimation for performance models of distributed application systems

  • Authors:
  • Jerome Rolia;Vidar Vetland

  • Affiliations:
  • Carleton University, Dept. Systems and Computer Engineering, Ottawa, Ontario, Canada K1S 5B6;Carleton University, Dept. Systems and Computer Engineering, Ottawa, Ontario, Canada K1S 5B6

  • Venue:
  • CASCON '95 Proceedings of the 1995 conference of the Centre for Advanced Studies on Collaborative research
  • Year:
  • 1995

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Abstract

The performance engineering of distributed applications requires models that capture contention for both hardware and software resources. Layered queueing models have been proposed for modeling distributed applications but they require model parameters that can be difficult to measure directly. In particular, measures of resource demand must be found for each of the services provided by application processes.We consider two approaches for collecting the resource demands of services. The first is a measurement-based approach where resource consumption is specifically allocated to each service. The second makes use of performance measures available from operating systems and distributed application performance monitors but employs statistical techniques to estimate the resource demands of each of the services. This paper discusses the trade-off between these two approaches and presents results from the statistical analysis.