CreateDBNodes_云数据库 RDS_API文档

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Operation Description

Supported database engines

MySQL

References

Note Before you call this operation, carefully read the following documentation. Make sure that you fully understand the prerequisites and impacts for calling this operation.

Add a node to an ApsaraDB RDS for MySQL cluster

Quotas Info

The current API request rate is 10/1(s).

Authorization Information

The following table shows the authorization information corresponding to this API, which can be used in the Action policy element to grant a RAM user or RAM role the permissions to call the API. Please use RAM to set up these permissions and refer to RAM documentation for more instructions.

Description:View Details...

ActionsAccess levelResource typeCondition keyAssociated operation
rds:CreateDBNodes
Create
DBInstance
acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}
rds:ResourceTag
None

Request Parameters

Field NameField Details
ClientTokenstring

The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests.View Details...

Example:ETnLKlblzczshOTUbOCz****
DBInstanceIdstring

The instance ID You can call the DescribeDBInstances operation to query the instance ID.

Example:rm-2ze450g4ctg6t****Reference Value Source:
    CloneDBInstance
    CreateDBInstance
    ReceiveDBInstance
    ModifyDBInstanceSpec
    RecoveryDBInstance
    DescribeDBInstances
    CalculateDBInstanceWeight
    MigrateDBNodes
    UpgradeDBInstanceMajorVersion
    TransformDBInstancePayType
    EvaluateLocalExtendDisk
    RestoreDdrTable
    RebuildReplicationLink
DBNodearray<object>

The details of the node.

Count of Children <= 7Count of Children >= 1
ResourceGroupIdstring

The resource group ID. You can call the DescribeDBInstanceAttribute operation to query the resource group ID.

Example:rg-acfmy*****Reference Value Source:
    DescribeResourceDetails

Response Parameters

Field NameField Details
DBInstanceIdstring

The ID of the instance.

Example:rm-2ze450g4ctg6t****
NodeIdsstring

The ID of the created node. The value is a string. Multiple values are separated by commas (,).

Example:rn-abcd2*****
OrderIdinteger<int64>

The ID of the order.

Notice Please note that this value is of type Long, and there may be a risk of loss of precision in some languages. Please use it with caution.
Example:2133400000*****
RequestIdstring

The ID of the request.

Example:7A41C147-C8D0-4DAE-A1A2-17EBCD60DFA1

Sample Response

Change History

Change timeChange content summaryoperation
2025-03-31
changeError code 400
2024-04-23
changeRequest parameter DBNode
2024-03-22
changeRequest parameter DBNode
2023-11-23
changeError code 403
2023-11-07
changeRequest parameter DBNode
2023-10-20
changeError code 400
2023-10-19
changeError code 400
2023-09-08
changeError code 400
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Examples