Modifying Instance Specifications

Function

This API is used to modify instance specifications.

URI

POST /v2/{engine}/{project_id}/instances/{instance_id}/extend

Table 1 Path Parameters
Parameter	Mandatory	Type	Description
engine	Yes	String	Message engine, which is rocketmq.
project_id	Yes	String	Project ID. For details, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

Request Parameters

Table 2 Request body parameters
Parameter	Mandatory	Type	Description
oper_type	Yes	String	Change type. Options: storage: Expand the storage without changing the broker quantity. horizontal: Add brokers without changing the storage space of each broker. vertical: Scale up the broker flavor without changing the broker quantity and storage.
new_storage_space	No	Integer	This parameter is valid and mandatory when oper_type is set to storage or horizontal. Instance storage space = Broker quantity × Storage space of each broker. If oper_type is set to storage, the number of brokers remains unchanged, and the storage space of each broker must be expanded by at least 100 GB. If oper_type is set to horizontal, the storage space of each broker remains unchanged.
new_product_id	No	String	This parameter is valid and mandatory when oper_type is set to vertical.
new_broker_num	No	Integer	Broker quantity. This parameter is mandatory when oper_type is set to horizontal.
publicip_id	No	String	ID of the EIP bound to the instance. Use commas (,) to separate multiple EIP IDs. This parameter is mandatory when oper_type is horizontal and public access is enabled.

Response Parameters

Status code: 200

Table 3 Response body parameters
Parameter	Type	Description
job_id	String	ID of the specification modification task.

Example Requests

POST https://{endpoint}/v2/rocketmq/{project_id}/instances/{instance_id}/extend

{
  "oper_type" : "horizontal",
  "new_product_id" : "c6.4u8g.cluster"
}

Example Responses

Status code: 200

Instance specifications modified.

{
  "job_id" : "93b94287-728d-4bb1-a158-cb66cb0854e7"
}

Status Codes

Status Code	Description
200	Instance specifications modified.

Error Codes

See Error Codes.

Parent topic: Specification Modification Management

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Querying Product Information for Instance Specification Modification

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Permissions and Supported Actions

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