Updated on 2026-05-14 GMT+08:00

Changing the Read/Write Splitting Port

Scenarios

After read/write splitting is enabled, you can change the read/write splitting port as needed.

Constraints

  • Changing the proxy port number interrupts the database connection. You are advised to change the port number during off-peak hours.
  • The read/write splitting port can be changed only for ELB proxies.

Procedure

  1. Log in to the RDS console.
  2. Click in the upper left corner and select a region.
  3. On the Instances page, click the primary instance name.
  4. In the navigation pane on the left, choose Database Proxy.
  5. On the displayed page, click next to the Port field.

    A database proxy can use a port ranging from 1024 to 65535, excluding 12017, 33071, and 1033, which are used by RDS.

    • To submit the change, click .
      • In the displayed dialog box, click OK.

        Changing the proxy port number interrupts the database connection. You are advised to change the port number during off-peak hours.

      • To cancel the change, click Cancel.
    • To cancel the change, click .