Foreword

This book teaches you how to approach website performance problems in a methodical and quantitative way. It introduces a methodology to analyze the way websites are used (behavior model graphs) and how work flows through them (interaction diagrams). The book shows you how to build these models from web logs or from a system analysis. It then shows you how to use these models to analyze your current system's behavior, and also to predict how much capacity you will need as demand grows and changes.

The book gives a very readable treatment of each step in this process, giving background tutorials on networking, web servers, server-side scripts, and database servers. It also gives quantitative measures of each of these components, telling ...

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