Viewing the Overall Status of a DB Instance

On the Overview page, you can get knowledge of the overall status of your RDS for PostgreSQL instance, including alarms, intelligent anomaly diagnosis, and key performance metrics. DBA Assistant diagnoses instance health using operational data analytics and intelligent algorithms, and provides you with solutions and suggestions for handling detected exceptions.

Functions

Table 1 lists the functions provided on the Overview page.

**Table 1** Function description
Function	Description
Alarms	To view alarm details, click the number next to an alarm severity.
Intelligent Anomaly Diagnosis	Shows the health status of your instance based on operational data analytics and intelligent algorithms.
Performance Monitoring	Shows key performance metrics of the instance, including the CPU usage, memory usage, number of SQL statements executed for more than 3s, and connections.

Alarms

Log in to the management console.
Click in the upper left corner and select a region.
Click in the upper left corner of the page and choose Databases > Relational Database Service.
On the Instances page, click the DB instance name.
On the Overview page, view the status of your instance.
- In the Alarms area, view alarm information of your instance.
  To view the list of all alarms, click All Alarms. To view alarm details, click the number next to an alarm severity.
  
  Figure 1 Alarms
- In the Intelligent Anomaly Diagnosis area, view the health diagnosis results of your instance.
  
  Intelligent Anomaly Diagnosis provides diagnosis results for the check items in the past 5 minutes. If any diagnosis result is abnormal, the check item is abnormal in the past 5 minutes.
  
  Figure 2 Intelligent Anomaly Diagnosis
- In the Performance Monitoring area, view key performance metrics of your instance.
  Figure 3 Performance Monitoring