January 2004
Intermediate to advanced
480 pages
9h 41m
English
book
Performance by Design: Computer Capacity Planning by Example
by Virgilio A.F. Almeida, Lawrence W. Dowdy, Daniel A. Menascé
Content preview from Performance by Design: Computer Capacity Planning by Example
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Chapter 9. Case Study V: A Help-Desk Service
Introduction
Several examples are presented in previous chapters to predict performance when changes occur in an existing system, either with respect to its workload or with respect to its hardware/software platform. Performance engineering involves building performance models for existing workloads and predicting the effects of possible upgrades. Measurements taken on existing workloads are used to obtain the service demands required by performance models, as indicated in Fig. 9.1.
Figure 9.1. Capacity planning for existing workloads.
However, in many performance engineering situations, one is confronted ...
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