Workload Service Requirements Analysis: A Queueing Network Optimization Approach

  • Authors:
  • L. Zhang;C. H. Xia;M. S. Squillante;W. N. Mills Iii

  • Affiliations:
  • -;-;-;-

  • Venue:
  • MASCOTS '02 Proceedings of the 10th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems
  • Year:
  • 2002

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The answers to many important performance relatedquestions with multiclass queueing models depends uponhaving estimates for the service times of different classesof jobs. We present a general approach to infer the per-classservice times at different servers in an environmentwhere only server throughput, utilization and per-class responsetime measurements are available. The per-classservice times are solutions to an optimization problemwith queueing-theoretic formulas in the objective and constraints.We further study the impact of the variance of servicetimes on the variance of response times. A few casestudies are presented to demonstrate the power of our approach.