Querying Pre-check Information Before Expanding a RocketMQ Instance

This API is used to obtain pre-check information before expanding a RocketMQ instance.

For details, see Calling APIs.

GET /v2/{project_id}/rocketmq/instances/{instance_id}/extend-check

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. For details about how to obtain it, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
instance_id	Yes	String	Definition Instance ID. You can call the API for querying all instances to obtain the instance ID. The instance ID is in the response body. Constraints N/A Range N/A Default Value N/A

None

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
name	String	Definition Check item name. Range N/A
success	Boolean	Definition Check item status. Range true: The check item is normal. false: The check item is abnormal.
reason	String	Definition Failure cause. Range N/A
risk	String	Definition Risk level. Range low medium high

GET https://{endpoint}/v2/{project_id}/rocketmq/instances/{instance_id}/extend-check

Status code: 200

Queried.

{
  "name" : "CPU",
  "success" : true,
  "reason" : "",
  "risk" : "low"
}

Status Code	Description
200	Queried.

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