tencent cloud

APIs

AddLibraDBInstances

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Terakhir diperbarui: 2026-10-22 10:45:56

1. API Description

Domain name for API request: cynosdb.intl.tencentcloudapi.com.

This API is used to add read-only analysis engine to a cluster.

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

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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 Params. The value used for this API: AddLibraDBInstances.
Version Yes String Common Params. The value used for this API: 2019-01-07.
Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-beijing, ap-chengdu, ap-chongqing, ap-guangzhou, ap-hongkong, ap-jakarta, ap-nanjing, ap-seoul, ap-shanghai, ap-shenzhen-fsi, ap-singapore, ap-tokyo, eu-frankfurt, na-ashburn, na-siliconvalley, sa-saopaulo.
Zone Yes String Availability zone
ClusterId Yes String Cluster ID
Cpu Yes Integer CPU cores
Mem Yes Integer Memory in GB
StorageSize Yes Integer Disk size.
PayMode Yes Integer Payment mode
Objects Yes Objects Sync object list
Port No Integer Port used when adding new RO groups, value range [0,65535)
GoodsNum No Integer Number of newly-added read-only instances, value range (0,15]
InstanceName No String Instance name, string length range [0,64), value range uppercase and lowercase letters, digits 0-9, '_', '-', '.'
ReplicasNum No Integer Number of replicas
InstanceType No String Value is 'Exclusive' when ReplicasNum>1 or ReplicasNum=1 and Cpu>=32 cores, and 'Common' in other scenarios.
StorageType No String Disk type.
AutoVoucher No Integer Whether to automatically select a voucher. 1: Yes; 0: No. Default is 0.
OrderSource No String Order source, string length range [0,64)
DealMode No Integer Transaction mode 0-Place order and pay 1-Place order
VpcId No String ID of the associated VPC network.
SubnetId No String Subnet ID. If VpcId is set up, SubnetId is required.
SecurityGroupIds.N No Array of String Security group ID. You can specify security groups when creating a read-only instance.
LibraDBVersion No String Analysis engine version
TimeSpan No Integer Purchase period, combined with TimeUnit for the changes to take effect
TimeUnit No String Duration unit, takes effect when combined with TimeSpan. Options: day:d, month:m
SrcInstanceId No String Source instance id

3. Output Parameters

Parameter Name Type Description
BigDealIds Array of String Large order number.
TranId String Freeze transaction. One frozen flow is activated at a time.
DealNames Array of String Post-paid order number.
ResourceIds Array of String Delivery resource id list.
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Creating a Read-Only Analysis Engine Instance

This interface (AddLibraDBInstances) is used for adding a read-only analysis engine to a cluster.

Input Example

POST / HTTP/1.1
Host: cynosdb.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: AddLibraDBInstances
<Common request parameters>

{
    "Zone": "ap-guangzhou-7",
    "ClusterId": "cynosdbmysql-037c8yll",
    "Cpu": 4,
    "Mem": 16,
    "StorageSize": 100,
    "PayMode": 0,
    "Objects": {
        "DatabaseTables": {
            "MigrateDBMode": "all"
        }
    },
    "GoodsNum": 1,
    "VpcId": "vpc-nnakli31",
    "SubnetId": "subnet-558rhwt2"
}

Output Example

{
    "Response": {
        "BigDealIds": null,
        "DealNames": [
            "20250417625002746837731"
        ],
        "RequestId": "173601bd-d6ab-4774-8714-775b37c8613d",
        "ResourceIds": [
            "libradb-ins-7ohnx2nu"
        ],
        "TranId": "20250417625002746837741"
    }
}

5. Developer Resources

SDK

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
FailedOperation.DatabaseAccessError Database access failed. Try again later. If the issue persists, contact customer service.
FailedOperation.OperationFailedError Operation failed. Try again later. If the issue persists, contact customer service.
FailedOperation.TradeCreateOrderError Failed to create and pay for the order. Try again later. If the issue persists, contact customer service.
InternalError.DbOperationFailed Query database failed.
InternalError.GetSubnetFailed Failed to obtain the subnet.
InternalError.GetVpcFailed Failed to get the VPC.
InternalError.UnknownError Unknown internal error.
InvalidParameterValue.DBTypeNotFound Unsupported instance type.
InvalidParameterValue.IllegalPassword The password does not meet requirements.
InvalidParameterValue.InvalidParameterValueError Parameter value is invalid.
InvalidParameterValue.InvalidSpec Invalid instance specification.
InvalidParameterValue.ParamError Parameter error.
InvalidParameterValue.RegionZoneUnavailable The selected region and availability zone are unavailable.
InvalidParameterValue.SubnetNotFound Subnet not found.
InvalidParameterValue.VpcNotFound The selected VPC network is not found.
LimitExceeded.UserInstanceLimit Number of user instances exceeds the limit.
OperationDenied.ClusterOpNotAllowedError Operation forbidden. The current cluster does not allow this operation.
OperationDenied.ClusterStatusDeniedError Operation not allowed in the current status of the cluster.
OperationDenied.InsufficientBalanceError Insufficient account balance.
OperationDenied.UserNotAuthenticatedError User not verified with real-name authentication. Please proceed with real-name authentication before purchase.
ResourceNotFound.ClusterNotFoundError The cluster does not exist.
UnauthorizedOperation.PermissionDenied CAM authentication failed.

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