While DPA does not track PostgreSQL memory utilization out of the box, we can easily bridge this gap by using a custom metric. By leveraging the system_stats extension, you can pull host-level memory data directly into your DPA dashboard.
For details on configuring the extension, please refer to Task 3 in the attached document: "Register a PostgreSQL database instance and prepare for monitoring." Once the extension is active on your Postgres instances, you can implement the following custom metric in DPA:
