Metric extensions provide you with the ability to extend Oracle's monitoring capabilities to monitor conditions specific to your IT environment. This provides you with a comprehensive view of your environment. Furthermore, metric extensions allow you to simplify your IT organization's operational processes by leveraging Enterprise Manager as the single central monitoring tool for your entire datacenter instead of relying on other monitoring tools to provide this supplementary monitoring.

This chapter covers the following:

• What are Metric Extensions?

• Metric Extension Lifecycle

• Working with Metric Extensions

• Adapters

• Metric Extension Command Line Verbs