If you no longer need the read/write splitting feature or read-only secondary nodes, you can disable them. Before you disable these features, evaluate your business requirements to ensure that this action does not affect system performance or availability.
Prerequisites
Read/write splitting is enabled. For more information, see Enable read/write splitting (read-only endpoint).
Usage notes
After you disable a read-only endpoint, whether it is a unified or secondary node endpoint, it becomes invalid. Your application can no longer use the endpoint to connect to the instance. The public and internal endpoints of the instance are not affected.
When you disable a read-only endpoint, a transient disconnection that lasts less than 30 seconds occurs. Disable the endpoint during off-peak hours and ensure that your application has an automatic reconnection mechanism to prevent service interruptions.
Each time you re-enable a unified or secondary node read-only endpoint, the endpoint may be different from the previous one.
Procedure
Disable the unified read-only endpoint
Log on to the ApsaraDB RDS console and 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 instance ID.
In the navigation pane on the left, click Cluster Management.
In the Read-only Network Information section, click Disable Readonly Splitting Address.
In the dialog box that appears, click OK.
Disable the secondary node read-only endpoint
Log on to the ApsaraDB RDS console and 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 instance ID.
In the navigation pane on the left, click Cluster Management.
In the Secondary Instance Network Information section, click Disable Secondary Instance Endpoint.
In the dialog box that appears, click OK.
References
To re-enable read/write splitting or the secondary node read-only endpoint, see Enable read/write splitting (read-only endpoint).