Function

This API is used to modify the instance information.

URI

PUT /v2/{project_id}/instances/{instance_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
name	No	String	Instance name. An instance name starts with a letter, consists of 4 to 64 characters, and can contain only letters, digits, underscores (_), and hyphens (-).
description	No	String	Description of an instance. The description supports up to 1024 characters. NOTE: The backslash () and quotation mark (") are special characters for JSON messages. When using these characters in a parameter value, add the escape character () before the characters, for example, \ and ".
maintain_begin	No	String	Time at which the maintenance window starts. The format is HH:mm:ss.
maintain_end	No	String	Time at which the maintenance window ends. The format is HH:mm:ss.
security_group_id	No	String	Security group ID. To obtain it, log in to the VPC console and view the security group ID on the security group details page.
retention_policy	No	String	Capacity threshold policy. Options: produce_reject: New messages cannot be created. time_base: The earliest messages are deleted.
enterprise_project_id	No	String	Enterprise project.

Response Parameters

None

Example Requests

Modifying the name and description of an instance.

PUT https://{endpoint}/v2/{project_id}/instances/{instance_id}

{
  "name" : "kafka001",
  "description" : "kafka description"
}

Modifying the name, description, and maintenance time window of an instance.

PUT https://{endpoint}/v2/{project_id}/instances/{instance_id}

{
  "name" : "dms002",
  "description" : "instance description",
  "maintain_begin" : "02:00:00",
  "maintain_end" : "06:00:00"
}

Changing the capacity threshold policy.

PUT https://{endpoint}/v2/{project_id}/instances/{instance_id}

{
  "retention_policy" : "time_base"
}

Example Responses

None

Status Codes

Status Code	Description
204	The instance information is modified successfully.

Error Codes

See Error Codes.

Modifying Instance Information