An Operational Analysis Primer Part 2: Resource-level Evaluation – Tom Wilson – Computer Measurement Group

An Operational Analysis Primer Part 2: Resource-level Evaluation – Tom Wilson

CMG Journal Spring 2014
April 8, 2014
CMG Announces MeasureIT Issue 4, 2014
September 12, 2014

An Operational Analysis Primer Part 2: Resource-level Evaluation – Tom Wilson

By Author Tom Wilson

1 Introduction

This is part 2 of a 4-part primer on operational analysis. In part 1 ([WIL14B]), I introduced operational analysis and

focused on applying it to evaluation at the system level. In this part, I will discuss evalation at the resource level. Part 3

will describe using operational analysis for modeling. Part 4 will investigate some other topics that are not found in the

literature.

2 Representing System Details

Figure 1 illustrates how a “system” can be viewed from several levels of detail. At the lowest level, a single resource

can be analyzed without its queue; this is the purple server of resource 2. At the next level, a resource can be analyzed

with its queue; this is the yellow box around resource 2. At another level, the entire computing system can be analyzed;

this is the grey box. At the highest level, the users of the system can be analyzed along with the computing system; this

is the brown box. Other levels of detail are possible, such as collections of resources (e.g., resources 2-4).

MIT 14.3 Wilson Figure 1

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