Modify the specification of a guaranteed-performance SLB instance.

Request parameters

Name  Type Required Description
Action  String   Yes The action to perform.  Valid value: 


RegionId String   Yes The region of the SLB instance.

You can query the region ID by calling the DescribeRegions API.

LoadBalancerId String   Yes The ID of the SLB instance.
LoadBalancerSpec String   Yes The specification of the SLB instance. Valid value:
  • slb.s1.small
  • slb.s2.small
  • slb.s2.medium
  • slb.s3.small
  • slb.s3.medium
  • slb.s3.large

The available specifications vary by region. For more information, see Guaranteed-performance instances.

Note 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 perform this operation when the traffic is low or use GSLB to schedule the service to other SLB instances first.

Response parameters

Name Type Description
RequestId String The ID of the request.
orderId String The order ID of the Subscription instance.


Request example 
Response example
  • XML format

    <? xml version="1.0" encoding="UTF-8"? >
  • JSON format