Checking Whether Host Load Is Unbalanced Due to a Primary/Standby Switchover

This API is used to check whether the host load is unbalanced due to a primary/standby switchover. Before calling this API:

You can debug this API in API Explorer.

GET /v3/{project_id}/instances/{instance_id}/balance

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. For details about how to obtain the instance ID, see Querying DB Instances. Constraints N/A Range The value can contain 36 characters. Only letters and digits are allowed. Default Value N/A

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. You can obtain the token by calling the IAM API used to obtain a user token. After a response is returned, the value of X-Subject-Token in the response header is the token. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Language. Constraints N/A Range zh-cn: Chinese en-us: English Default Value en-us

**Table 3** Parameter description
Name	Type	Description
balanced	Boolean	Definition Whether the host load is unbalanced due to a primary/standby switchover. Range true: balanced. false: unbalanced.

Checking whether host load is unbalanced due to a primary/standby switchover

GET https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/opengauss/v3/0483b6b16e954cb88930a360d2c4e663/instance/dsfae23fsfdsae3435in14/balance

The host load is balanced.

{
	"balanced": true
}

For details, see Error Codes.

Parent topic: Instance Management

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