Last updated: 2020-03-04 23:46:13

    1. API Description

    Domain name for API request:

    This API is used to adjust the specification configuration of a TencentDB for MongoDB. The purchasable specifications supported by the API can be obtained through the DescribeSpecInfo API.

    A maximum of 20 requests can be initiated per second for this API.

    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common parameter. The value used for this API: ModifyDBInstanceSpec.
    Version Yes String Common parameter. The value used for this API: 2019-07-25.
    Region Yes String Common parameter. For more information, please see the list of regions supported by the product. This API only supports: ap-beijing, ap-shanghai, na-ashburn
    InstanceId Yes String Instance ID in the format of cmgo-p8vnipr5. It is the same as the instance ID displayed on the TencentDB Console page
    Memory Yes Integer Memory size after instance configuration change in GB. Memory and disk must be upgraded or degraded simultaneously
    Volume Yes Integer Disk size after instance configuration change in GB. Memory and disk must be upgraded or degraded simultaneously. For degradation, the new disk capacity must be greater than 1.2 times the used disk capacity
    OplogSize No Integer Oplog size after instance configuration change in GB, which ranges from 10% to 90% of the disk capacity and is 10% of the disk capacity by default

    3. Output Parameters

    Parameter Name Type Description
    DealId String Order ID
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Adjusting the configurations of a TencentDB instance

    Input Example
    &<Common request parameter>

    Output Example

      "Response": {
        "RequestId": "d88095e5-50e8-4245-a0cf-993a536f9b20",
        "DealId": "7142863"

    5. Developer Resources

    API Explorer

    This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.


    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    InvalidParameter.ZoneClosed Instances are not purchasable in this AZ.
    InvalidParameterValue.InvalidTradeOperation Billing error. Corresponding purchase/renewal/configuration change operations are not allowed for the current instance.
    InvalidParameterValue.ModifyModeError Memory and disk must be upgraded or degraded simultaneously.
    InvalidParameterValue.NotFoundInstance The instance was not found.
    InvalidParameterValue.OplogSizeOutOfRange The OplogSize parameter is set incorrectly and should be between 10% and 90% of the disk capacity.
    InvalidParameterValue.SetDiskLessThanUsed The disk size to be set cannot be less than 1.2 times the used disk capacity.
    InvalidParameterValue.SpecNotOnSale Incorrect purchasable specification.
    InvalidParameterValue.StatusAbnormal The instance is in a status where operations are not allowed.

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