Chapter 19. Manageability

<feature><title>In This Chapter</title> </feature>

Introduction

For any software to be an asset that the system administrators can manage effectively—can confirm that it is in a healthy state and take effective remedial action if it is not—the software must provide at least four layers of management facilities.

The first layer is instrumentation, which consists of data points and control points. Data points provide information about the state of the software, whereas control points allow one to make adjustments to it to apply remedies for problems divined from the data points.

The second layer consists of tools for reading from the data points ...

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