Workload Characterization Techniques


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Table of Contents

Workload Characterization Techniques

Overview

Terminology

Components and Parameter Selection

Workload Characterization Techniques

Averaging

Case Study: Program Usage in Educational Environments

Characteristics of an Average Editing Session

Single Parameter Histograms

Multi-parameter Histograms

Principal Component Analysis

Finding Principal Factors

Principal Component Example

Principal Component Example

Markov Models

Transition Probability

Clustering

Clustering Steps

1. Sampling

2. Parameter Selection

3. Transformation

4. Outliers

5. Data Scaling

Distance Metric

Clustering Techniques

Minimum Spanning Tree-Clustering Method

Minimum Spanning Tree Example

Dendogram

Nearest Centroid Method

Cluster Interpretation

Problems with Clustering

Summary

Exercise 6.1

Author: Raj Jain

Home Page: http://www.cse.wustl.edu/~jain/

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