Oracle Monitoring Console
Oracle Clusters has a monitoring console to collect and analyze the performance data, helping you effectively monitor and compare the database performance over time. Whenever and wherever you are, just follow steps below, and you will be able to keep track of the health of your deployment.
1. Locate your target deployment
Log in to the Control Panel and locate your target deployment on the Home page or the My Applications page.
2. Navigate to the Metrics page
Click the "Manage" button on the Home page or the My Applications page. Then Click the Metrics tab in the menu bar.
3. Monitor your database performance
On the "Metrics" page, choose the nodename and time range from the drop-down boxes below, then you will get your performance graphs in minutes. If you would like to refresh the data, simply click on the refresh icon on the right.