ModifyDBInstanceSpec

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Last updated: 2022-04-20 15:20:54

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1. API Description

Domain name for API request: mongodb.tencentcloudapi.com.

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.

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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: ModifyDBInstanceSpec.
Version	Yes	String	Common Params. The value used for this API: 2019-07-25.
Region	Yes	String	Common Params. For more information, please see the list of regions supported by the product.
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
NodeNum	No	Integer	Node quantity after configuration modification. The value range is subject to the response parameter of the `DescribeSpecInfo` API. If this parameter is left empty, the node quantity remains unchanged.
ReplicateSetNum	No	Integer	Shard quantity after configuration modification, which can only be increased rather than decreased. The value range is subject to the response parameter of the `DescribeSpecInfo` API. If this parameter is left empty, the shard quantity remains unchanged.
InMaintenance	No	Integer	Switch time. Valid values: `0` (upon modification completion), `1` (during maintenance time). Default value: `0`. If the quantity of nodes or shards is modified, the value will be `0`.

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

https://mongodb.tencentcloudapi.com/?Action=ModifyDBInstanceSpec
&InstanceId=cmgo-p8vnipr5
&Memory=4
&Volume=250
&<Common request parameters>

Output Example

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

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
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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