Database Autonomy Service (DAS) provides the real-time monitoring feature to monitor database instances and each node on an instance. You can use this feature to check the performance of your databases during stress testing or promotions.
Procedure
In the left-side navigation pane, click Real-time Monitoring.
Note On the Real-time Performance tab, you can view Key Information, Key Hit Information, Key Hit Ratio, and CPU Utilization.
View real-time performance metrics for each node
On the Global Real-time Node Performance tab, you can view the real-time performance metrics for each node on the instance.