Help Center/ Relational Database Service_RDS for PostgreSQL/ User Guide/ Instance Management/ Instance Lifecycle/ Buying an Instance with the Same Configuration as an Existing One
Updated on 2026-10-08 GMT+08:00

Buying an Instance with the Same Configuration as an Existing One

Scenarios

RDS for PostgreSQL allows you to quickly buy a DB instance with the same configurations as the selected one.

  • There is no limit on the number of instances you can purchase with the same configuration.
  • This function is unavailable for read replicas.

Procedure

  1. Log in to the RDS console.
  2. Click in the upper left corner and select a region.
  3. On the Instances page, locate the target DB instance and choose More > Buy Same DB Instance in the Operation column.
  4. On the displayed page, the configurations are the same as those of the selected DB instance. You can change them as required. Then, click Buy.

    For details about RDS for PostgreSQL DB instance configurations, see Buying an RDS for PostgreSQL DB Instance.

  5. Confirm the instance specifications.

    • For pay-per-use DB instances, click Submit.
    • For yearly/monthly DB instances, click Pay Now.

  6. Refresh the DB instance list and view the status of the DB instance. If the status is Available, it has been created successfully.

    You can manage the DB instance on the Instances page.