Use the real-time monitoring feature - ApsaraDB RDS - Alibaba Cloud Documentation Center

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.

Prerequisites

Your RDS instance runs RDS High-availability Edition.

Procedure

Go to the Instances page. In the top navigation bar, select the region in which the RDS instance resides. Then, find the RDS instance and click the ID of the instance.
In the left-side navigation pane, choose Autonomy Service > Diagnostics.
Click the Real-time Monitoring tab.
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.