You can change a shared-performance instance to a guaranteed-performance instance, or modify the specification of a guaranteed-performance instance.

Before you modify the instance specification, note the following:

  • When you change a shared-performance instance to a guaranteed-performance instance, a brief disconnection of service may occur for 10 to 30 seconds.

    We recommend that you change the instance type in a low-traffic period, or use DNS to schedule services to other SLB instances before you change the instance type.

  • After you change a shared-performance instance to a guaranteed-performance instance, you cannot change it back.

    You can use the simple I (slb. s1.small) specification after you change a shared-performance instance to a guaranteed-performance instance. This specification is free of charge.

  • Intranet SLB instances only support traffic-based billing and cannot be changed to instances that are billed based on bandwidth.

Change the specification of a Pay-As-You-Go instance

To change the specification of a Pay-As-You-Go instance, follow these steps:
  1. Log on to the SLB console.
  2. Select the region of the target SLB instance.
  3. Find the target instance, choose More > Change Specification.
  4. In the Configuration upgrade section, select a new specification, and complete the payment.