Scaling Up a DCS Instance

This API is used to scale up a DCS Redis or Memcached instance in the Running state.

POST /v1.0/{project_id}/instances/{instance_id}/extend

Table 1 describes the parameters.

**Table 1** Parameter description
Parameter	Type	Mandatory	Description
project_id	String	Yes	ID.
instance_id	String	Yes	Instance ID.

Request parameters

Table 2 describes the request parameters.

**Table 2** Parameter description
Parameter	Type	Mandatory	Description
new_capacity	Integer	Yes	New specification (memory space) of the DCS instance. The new specification to which the DCS instance will be scaled up must be greater than the current specification. Unit: GB. The value must be supported specifications. For details, see the Total Memory (GB) column in DCS Instance Specifications.
spec_code	String	Yes	Code of the new specifications. This parameter is optional for DCS Redis 3.0 instances. This parameter is mandatory for DCS Redis 4.0 and Redis 5.0 instances. For details about the specification codes, see the Specification Code (spec_code in the API) column in DCS Instance Specifications.

Example request

Request URL:

POST https://{dcs_endpoint}/v1.0/{project_id}/instances/{instance_id}/extend

Example:

{
    "new_capacity": 4,
    "spec_code": "redis.single.au1.large.4"
}

Response parameters

None

Example response

None

Table 3 describes the status code of successful operations. For details about other status codes, see Table 1.

**Table 3** Status code
Status Code	Description
204	Scale-up task submitted successfully.

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