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document-database-service/api-ref/source/apis_v3.0_recommended/querying_database_specifications.rst

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dds_instance_specification.html

Querying Database Specifications

Function

This API is used to query all instance specifications under a specified condition.

URI

  • URI format

    GET https://{Endpoint}/v3.1/{project_id}/flavors?engine_name={engine_name}&engine_version={engine_version}&offset={offset}&limit={limit}

  • Parameter description

    Table 1 Parameter description
    Name Mandatory Description
    project_id Yes Specifies the project ID of a tenant in a region.
    engine_name No Specifies the database type. The value is DDS-Community.
    engine_version No DB version number. To obtain this value, see Querying Database Version Information <dds_database_version>.
    offset No

    Index offset.

    • If offset is set to N, the resource query starts from the N+1 piece of data. The default value is 0, indicating that the query starts from the first piece of data.
    • The value must be a positive integer.
    limit No

    Maximum number of specifications that can be queried

    • Value range: 1-100
    • If this parameter is not transferred, the first 100 pieces of specification information can be queried by default.

Requests

Responses

  • Parameter description

    Table 2 Parameter description
    Name Type Description
    flavors Array of objects Indicates the DB instance specifications information list. For more information, see Table 3 <dds_instance_specification__table64140254>.
    total_count Integer Total number of records
    Table 3 flavors field data structure description
    Name Type Description
    engine_name String Indicates the engine name.
    type String

    Indicates the node type. DDS contains the following types of nodes:

    • mongos
    • shard
    • config
    • replica
    • single
    vcpus String Indicates the number of vCPUs.
    ram String Indicates the memory size in gigabyte (GB).
    spec_code String

    Indicates the resource specification code.

    Example: dds.mongodb.s2.xlarge.4.shard

    Note

    • dds.mongodb: indicates the DDS service.
    • s2.xlarge.4: indicates the performance specification, which is high memory.
    • shard: indicates the node type.
    • When querying the specifications, check whether the specifications are of the same series. The specification series includes general-purpose (s6), enhanced (c3), and enhanced II (c6).
    az_status Object

    Indicates the status of specifications in an AZ. Its value can be any of the following:

    • normal: indicates that the specifications are on sale.
    • unsupported: indicates that the DB instance specifications are not supported.
    • sellout: indicates the specifications are sold out.

    Note

    ReplicaSet flavors supports cross AZ creation in case "eu-de-01,eu-de-02,eu-de-03": "normal".
    engine_versions Array of strings

    Database versions

    For example, DDS mongos node, {"3.2", "3.4", "4.0", "4.2"}

Note

The value of az_status is used as an example.

  • Response example

    {
    "total_count":21,
    "flavors": [
        {
            "engine_name": "DDS-Community",
            "type": "mongos",
            "vcpus": "1",
            "ram": "4",
            "spec_code": "dds.mongodb.s2.medium.4.mongos",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "mongos",
            "vcpus": "2",
            "ram": "8",
            "spec_code": "dds.mongodb.s2.large.4.mongos",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "mongos",
            "vcpus": "4",
            "ram": "16",
            "spec_code": "dds.mongodb.s2.xlarge.4.mongos",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "mongos",
            "vcpus": "8",
            "ram": "32",
            "spec_code": "dds.mongodb.s2.2xlarge.4.mongos",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "mongos",
            "vcpus": "16",
            "ram": "64",
            "spec_code": "dds.mongodb.s2.4xlarge.4.mongos",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "shard",
            "vcpus": "1",
            "ram": "4",
            "spec_code": "dds.mongodb.s2.medium.4.shard",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "shard",
            "vcpus": "2",
            "ram": "8",
            "spec_code": "dds.mongodb.s2.large.4.shard",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "shard",
            "vcpus": "4",
            "ram": "16",
            "spec_code": "dds.mongodb.s2.xlarge.4.shard",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "shard",
            "vcpus": "8",
            "ram": "32",
            "spec_code": "dds.mongodb.s2.2xlarge.4.shard",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "shard",
            "vcpus": "16",
            "ram": "64",
            "spec_code": "dds.mongodb.s2.4xlarge.4.shard",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "config",
            "vcpus": "2",
            "ram": "4",
            "spec_code": "dds.mongodb.s2.large.2.config",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "replica",
            "vcpus": "1",
            "ram": "4",
            "spec_code": "dds.mongodb.s2.medium.4.repset",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal",
                "eu-de-01,eu-de-02,eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "replica",
            "vcpus": "2",
            "ram": "8",
            "spec_code": "dds.mongodb.s2.large.4.repset",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal",
                "eu-de-01,eu-de-02,eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "replica",
            "vcpus": "4",
            "ram": "16",
            "spec_code": "dds.mongodb.s2.xlarge.4.repset",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal",
                "eu-de-01,eu-de-02,eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "replica",
            "vcpus": "8",
            "ram": "32",
            "spec_code": "dds.mongodb.s2.2xlarge.4.repset",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal",
                "eu-de-01,eu-de-02,eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "replica",
            "vcpus": "16",
            "ram": "64",
            "spec_code": "dds.mongodb.s2.4xlarge.4.repset",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal",
                "eu-de-01,eu-de-02,eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "single",
            "vcpus": "1",
            "ram": "4",
            "spec_code": "dds.mongodb.s2.medium.4.single",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "single",
            "vcpus": "2",
            "ram": "8",
            "spec_code": "dds.mongodb.s2.large.4.single",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "single",
            "vcpus": "4",
            "ram": "16",
            "spec_code": "dds.mongodb.s2.xlarge.4.single",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "single",
            "vcpus": "8",
            "ram": "32",
            "spec_code": "dds.mongodb.s2.2xlarge.4.single",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        },
        {
            "engine_name": "DDS-Community",
            "type": "single",
            "vcpus": "16",
            "ram": "64",
            "spec_code": "dds.mongodb.s2.4xlarge.4.single",
            "engine_versions":["3.2","3.4","4.0"],
            "az_status": {
                "eu-de-01": "normal",
                "eu-de-02": "normal",
                "eu-de-03": "normal"
            }
        }
    ]
}

Status Code

Status Code:200.

For more information, see Status Code <dds_status_code>.

Error Code

For more information, see Error Code <dds_error_code>.