You can use Database Autonomy Service (DAS) to identify the topology of an ApsaraDB RDS for MySQL or ApsaraDB for MongoDB instance and diagnose the topology of an ApsaraDB RDS for MySQL instance. You can use the following methods to view the topology of an instance.

Prerequisites

DAS has accessed the database instance.
Note For more information, see Access database instances.

Instance monitoring - instance topology

  1. Log on to the Database Autonomy Service console.
  2. In the left-side navigation pane, click Instance Monitoring, and then select Topology.
    Note
    • The topology of an ApsaraDB for MongoDB instance is built based on the primary node.
    • The topology of an ApsaraDB RDS for MySQL instance is built based on the primary database.

Instance topology

  1. Log on to the Database Autonomy Service console.
  2. In the left-side navigation pane, click Instance Monitoring. On the Instance Monitoring page, find the instance you want to view.
  3. Click Performance in the Actions column corresponding to the instance, and then choose Performance Trend > Instance Topology.

Topology diagnosis

  1. Log on to the Database Autonomy Service console.
  2. In the left-side navigation pane, click Instance Monitoring. On the Instance Monitoring page, find the instance.
  3. Click Performance in the Actions column corresponding to the instance, and then select Diagnostics.
    Note The topology diagnosis feature can only be used for ApsaraDB RDS for MySQL instances.