Database Autonomy Service (DAS) provides the real-time monitoring feature for ApsaraDB RDS for PostgreSQL. You can use this feature to view the real-time performance of your ApsaraDB RDS for PostgreSQL instance. This topic describes how to use the real-time monitoring feature.


Your ApsaraDB RDS for PostgreSQL instance runs ApsaraDB RDS for PostgreSQL High-availability Edition.


  1. Access RDS Instances, select a region at the top, and then click the ID of the target RDS instance.
  2. In the left-side navigation pane, choose Autonomy Service > Diagnostics.
  3. Click the Real-time Monitoring tab.
  4. On the Real-time Monitoring page, view the real-time monitoring data of the database instance on the following tabs:
    • Real-time Charts: allows you to view trend charts of the database instance, such as the number of connections, transactions per second (TPS), the number of rows on which operations are performed, the number of read and returned rows, cache reads per second, cache hit ratio, the number of temporary files, and the amount of data in the temporary files.
    • Real-time Tables: allows you to view the values of performance metrics of the database instance in real time.

      Values of the performance metrics are automatically refreshed every 5 seconds.

      Note You can click Metric Description in the upper-left corner to view the description of each parameter.