ModifyReadOnlyGroupConfig

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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: ModifyReadOnlyGroupConfig.
Version	Yes	String	Common Params. The value used for this API: 2017-03-12.
Region	No	String	Common Params. This parameter is not required for this API.
ReadOnlyGroupId	Yes	String	RO group ID
ReadOnlyGroupName	No	String	RO group name
ReplayLagEliminate	No	Integer	Whether to remove a read-only replica from an RO group if the delay between the read-only replica and the primary instance exceeds the threshold. Valid values: `0` (no), `1` (yes).
ReplayLatencyEliminate	No	Integer	Whether to remove a read-only replica from an RO group if the sync log size difference between the read-only replica and the primary instance exceeds the threshold. Valid values: `0` (no), `1` (yes).
MaxReplayLatency	No	Integer	Delayed log size threshold in MB
MaxReplayLag	No	Integer	Delay threshold in ms
Rebalance	No	Integer	Whether to enable automatic load balancing. Valid values: `0` (disable), `1` (enable).
MinDelayEliminateReserve	No	Integer	The minimum number of read-only replicas that must be retained in an RO group

3. Output Parameters

Parameter Name	Type	Description
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 Modifying RO group configuration

Input Example

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

{
    "MaxReplayLag": "0",
    "ReplayLagEliminate": "0",
    "MaxReplayLatency": "512",
    "MinDelayEliminateReserve": "0",
    "ReadOnlyGroupName": "\"test\"",
    "ReadOnlyGroupId": "\"vpc-e0tfm161\"",
    "Rebalance": "1"
}

Output Example

{
    "Response": {
        "RequestId": "d43b2a9f-070c-480b-a0bb-7c210428cfe8"
    }
}

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

Tencent Cloud CLI 3.0

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.BaseNetworkAccessError	Failed to access classic network. Please try again later. If the problem persists, please contact customer service.
FailedOperation.CamAuthFailed	CAM authentication failed.
FailedOperation.CamSigAndAuthError	Authentication failed. Please try again later. If the problem persists, please contact customer service.
FailedOperation.DatabaseAccessError	Failed to access database management service. Please try again later. If the problem persists, please contact customer service.
FailedOperation.DeleteAllRoute	Failed to delete VPC routes.
FailedOperation.FailedOperationError	Operation failed. Please try again later.
FailedOperation.ModifyROGroupError	Failed to modify RO group configuration.
FailedOperation.ROGroupNotFoundError	The RO group does not exist.
FailedOperation.ServiceAccessError	Failed to access internal service. Please try again later. If the problem persists, please contact customer service.
FailedOperation.VPCResetServiceError	Failed to configure the VPC.
FailedOperation.VPCUpdateRouteError	Failed to update VPC routes.
InterfaceNameNotFound	`ACTION` input error.
InternalError.DBError	Backend database execution error.
InternalError.InternalHttpServerError	An exception occurred while executing the request.
InternalError.SystemError	System error. When this error occurs, please contact customer service for assistance.
InvalidParameter.ParameterCheckError	Failed to check the parameter.
InvalidParameterValue.InvalidParameterValueError	Incorrect parameter value
InvalidParameterValue.ParameterHandleError	Failed to process the parameter. Please check if the parameter value is valid.
InvalidParameterValue.ReadOnlyGroupNotExist	The RO group does not exist.
OperationDenied.CamDeniedError	This operation cannot be performed.
OperationDenied.InstanceStatusLimitOpError	This operation cannot be performed on an instance in this status.
ResourceNotFound.InstanceNotFoundError	The instance does not exist.

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1. API Description