Capacity Manager uses historical metrics to forecast future trends. To create forecasting reports with Capacity Manager, simply select your desired metrics, and use the Capacity Manager Options tab to specify an End Time for the report that is in the future (see Figure 7.4).For example, you might use Capacity Manager to predict when you will need to increase the database storage available on your system. Use the drop-down listbox to select the projection criteria that PEM will use to extrapolate data. Select from:After specifying the projection criteria, and specifying dates and thresholds for the report, click the Generate button. Capacity Manager will use historical usage data to predict your future resource requirements.