Updated on 2026-03-16 GMT+08:00

Querying Database Specifications

Function

This API is used to query the database specifications of a specified DB engine version. Before calling this API:

Learn how to authenticate it.
Obtain the required region and endpoint.

URI

GET /v3/{project_id}/flavors/{database_name}

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value contains 32 characters. Only letters and digits are allowed. Default Value N/A
database_name	Yes	String	Definition DB engine name. Constraints N/A Range gaussdb-mysql Default Value N/A

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
availability_zone_mode	Yes	String	Definition AZ type. Constraints N/A Range single: single AZ multi: multiple AZs Default Value single
version_name	No	String	Definition DB version number. Constraints Currently, only MySQL 8.0 is supported. Range 8.0 Default Value 8.0
spec_code	No	String	Definition Resource specification code. Example: gaussdb.mysql.xlarge.x86.4 gaussdb.mysql indicates the product. xlarge indicates the specifications (4 vCPUs). x86 indicates the x86 architecture. 4 indicates the ratio of vCPUs to memory is 1:4. Constraints N/A Range N/A Default Value N/A

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. To obtain this value, call the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the token value. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Request language type. Constraints N/A Range en-us zh-cn Default Value en-us

Response Parameters

Status code: 202

**Table 4** Response body parameter
Parameter	Type	Description
flavors	Array of MysqlFlavorsInfo objects	Definition Instance specifications.

**Table 5** MysqlFlavorsInfo
Parameter	Type	Description
vcpus	String	Definition Number of vCPUs. For example, the value 1 indicates 1 vCPU. Range N/A
ram	String	Definition Memory size in GB. Range N/A
type	String	Definition CPU architecture. Range arm: exclusive Arm x86: exclusive x86 generalX86: general-purpose x86
id	String	Definition Specification ID, which uniquely identifies a specification. Range N/A
spec_code	String	Definition Resource specification code. Its value is same as the value of spec_code. Example: gaussdb.mysql.xlarge.x86.4 gaussdb.mysql indicates the product. xlarge indicates the specifications (4 vCPUs). x86 indicates the x86 architecture. 4 indicates the ratio of vCPUs to memory is 1:4. Range N/A
version_name	String	Definition DB version number. Range 8.0
instance_mode	String	Definition Instance type. Currently, only the cluster type is supported. Range Cluster
az_status	Map<String,String>	Definition Specification status in an AZ. Range normal: The specifications are available in the AZ. unsupported: The specifications are not supported. sellout: The specifications are sold out.

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying specific specifications of a TaurusDB instance

GET https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/flavors/gaussdb-mysql?version_name=8.0&spec_code=gaussdb.mysql.xlarge.x86.4&availability_zone_mode=single

Example Response

Status code: 202

Success.

{
  "flavors" : [ {
    "vcpus" : "4",
    "ram" : "16",
    "type" : "x86",
    "id" : "3169caaf-6c2f-41d5-aadd-c8fc3d83597e",
    "spec_code" : "gaussdb.mysql.xlarge.x86.4",
    "instance_mode" : "Cluster",
    "version_name" : "8.0",
    "az_status" : {
      "az1" : "normal",
      "az2" : "normal"
    }
  } ]
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Database Specification Queries