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Monitoring Performance Using the Performance Hub

The Performance Hub allows you to view all the performance data available for a specified time period. Once a time period is sclected, the performance information is collected and presented bascd on performance subject areas.

This section ineludes the fol łowi ng topie:

■Specifying the Time Period for Which to Display Statistics

When real-time data is sclected, morę granular data is presented (bccausc data points are available cvery minutę).

When historical data is sclected, morę detailed data (broken down by different metrics) is presented. but the data points are avcraged out to the Automatic Workload Repository (AWR) interval (usually an hour).

Different tabs are available in the Performance Hub, depending on whether real-time or historical data is selected for the time period.

The following table describes the Performance Hub tabs, and indicates whether the tab is available when real-time data is selected or historical data is selected. or both.