Querying Database Specifications
Function
This API is used to query the database specifications of a specified DB engine version.
- Before calling an API, you need to understand the API in Authentication.
URI
- URI format
GET /v3/{project_id}/flavors/{database_name}?version_name={version_name}&spec_code={spec_code}&is_serverless={is_serverless}
- Parameter description
Table 1 Parameter description Name
Mandatory
Description
project_id
Yes
Project ID of a tenant in a region.
For details about how to obtain the project ID, see Obtaining a Project ID.
database_name
Yes
Specifies the DB engine name. Its value can be any of the following and is case-insensitive:
- MySQL
- PostgreSQL
- SQLServer
version_name
No
Specifies the database version. For details about how to obtain the database version, see section Querying Version Information About a DB Engine. (The minor version is supported.)
is_serverless
No
Specifies whether to query serverless specifications. The value can be any of the following (case-sensitive):
- true: Serverless specifications are queried.
- false (default value): Non-serverless specifications are queried.
spec_code
No
Specifies the specification code.
Request
Response
- Normal response
Table 2 Parameter description Name
Type
Description
flavors
Array of objects
Indicates the DB instance specifications information list.
For details, see Table 3.
Table 3 flavors field data structure description Name
Type
Description
vcpus
String
Indicates the CPU size. For example, the value 1 indicates 1 vCPU.
ram
Integer
Indicates the memory size in GB.
id
String
Indicates the specification ID, which is unique.
spec_code
String
Indicates the resource specification code. Use rds.mysql.m1.xlarge.rr as an example.
For more information, see Instance Class.
- rds: indicates the RDS product.
- mysql: indicates the DB engine.
- m1.xlarge: indicates the high memory performance specifications.
- rr: indicates read replicas (.ha indicates primary/standby DB instances).
- rha.rr indicates HA read replicas. Example specification code: rds.mysql.n1.large.4.rha.rr.
- HA read replicas are available only for users with the open beta test (OBT) permission. You can contact customer service to apply for the permission.
- For details about HA read replicas, see Introducing HA Read Replicas.
version_name
Array
Indicates the database version.
Example value for the MySQL DB engine: ["5.6","5.7","8.0"]
instance_mode
String
Indicates the DB instance type. Its value can be any of the following:
- ha: indicates primary/standby instances.
- replica: indicates read replicas.
- single: indicates single DB instances.
az_status
Map<String, String>
Indicates the specification status in an AZ. Its value can be any of the following:
- normal: indicates that the specifications in the AZ are available.
- unsupported: indicates that the specifications are not supported by the AZ.
- sellout: indicates that the specifications in the AZ are sold out.
az_desc
Map<String, String>
Indicates the description of the AZ to which the specifications belong.
group_type
String
Indicates the performance specifications. Its value can be any of the following:
- normal: general-enhanced
- normal2: general-enhanced II
- armFlavors: Kunpeng general-enhanced
- dedicicateNormal (dedicatedNormalLocalssd): exclusive x86
- armLocalssd: standard Kunpeng
- normalLocalssd: standard x86
- general: general-purpose
- dedicated:
- For the MySQL DB engine: dedicated
- For PostgreSQL and SQL Server DB engines: dedicated, which is only supported for cloud SSDs
- rapid:
- For the MySQL DB engine: dedicated (offline)
- For PostgreSQL and SQL Server DB engines: dedicated, which is only supported for extreme SSDs
- bigmem: large-memory
- highPerformancePrivilegeEdition: ultra-high I/O (advanced)
- Example normal response
{ "flavors": [{ "vcpus": "1", "ram": 2, "id":"2988b9cc-2aac-3a94-898c-14666702f129", "spec_code": "rds.mysql.c2.medium.rrrds.pg.c2.medium.rr", "version_name": ["5.6","5.7","8.0"], "instance_mode": "ha", "az_status": { "az1": "normal", "az2": "normal" }, "az_desc": { "az1": "az1", "az2": "az2" }, "group_type": "normal" }, { "vcpus": "1", "ram": 2, "id":"2988b9cc-2aac-3a94-898c-14666702f130", "spec_code": "rds.mysql.c2.medium.rrrds.pg.c2.medium.rr", "version_name": ["5.6","5.7","8.0"], "instance_mode": "replica", "az_status": { "az1": "normal", "az2": "normal" }, "az_desc": { "az1": "az1", "az2": "az2" }, "group_type": "normal" } ] }
- Abnormal response
For details, see Abnormal Request Results.
Status Code
- Normal
- Abnormal
For details, see Status Codes.
Error Code
For details, see Error Codes.
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