View resource and engine monitoring data

Procedure

1. Log on to the ApsaraDB for RDS console.
2. In the left-side navigation pane, click Instances. In the top navigation bar, select the region where the target RDS instance resides.
   
3. Find the target instance and click the instance ID.
4. In the left-side navigation pane, click Monitoring and Alerts.
5. On the Monitoring tab, select the time range to view monitoring data. The following table lists the specific performance metrics that are monitored.

   Instance type	Monitoring type	Metric
   High-availability Edition instances that run PostgreSQL 10 and use local SSDs, Basic Edition instances that run PostgreSQL 10, and instances that run PostgreSQL 9.4	Resource monitoring	Memory Usage
   		CPU Utilization
   		Disk Space
   		IOPS
   		Total Connections
   High-availability Edition instances that run PostgreSQL 10, PostgreSQL 11, or PostgreSQL 12 and use standard or enhanced SSDs	Resource monitoring	CPU Utilization
   		Memory Usage
   		Data Disk IOPS
   		Data Disk Usage
   		Disk Usage (MB)
   	Engine monitoring	Connections
   		Operation Rows
   		TPS
   		Longest Bloat Duration (s)
   		Latency (Bytes)
   		Slow Queries
   		Long-running Transactions
   		2PC Transactions