After you create a disaster recovery instance, you can view the basic information, topology, and configuration list of the instance group on its details page.
Prerequisites
A disaster recovery instance is created.
Page overview
Go to the Global Distributed Cache page. In the instance group list, click the ID of the instance group that you want to view. On the instance group details page, you can view its basic information, topology, and configuration list.
View basic information about the instance group
The basic information for the instance group includes the Instance Group ID, Name, Type, Database Type, Creation Time, Running Status, and Region.

View the instance group topology
The topology graph shows the links between the primary and disaster recovery instances, including the link status, instance status, and basic information.
Click the instance ID of a role to go to the RDS instance details page and view the details of the primary or disaster recovery instance.
View the instance group configuration list
The instance group configuration list is divided into the RDS Instance List and the DTS Instance List. The details are as follows:
View replication performance
Specify a custom time range to view the following performance metrics:
dag_lag_seconds: Replication latency
dag_unhealthy_db_count: Number of unhealthy databases in replication
dag_log_send_queue_size_kb: Size of the log sending queue
dag_log_send_rate_kb_per_sec: Rate of sending logs
dag_log_redo_queue_size_kb: Size of the log application queue
dag_log_redo_rate_kb_per_sec: Rate of applying logs