Changes the node specifications of a specified PolarDB cluster.
Debugging
Request parameters
Parameter | Type | Required | Example | Description |
---|---|---|---|---|
Action | String | No | ModifyDBNodeClass |
The operation that you want to perform. Set the value to ModifyDBNodeClass. |
DBClusterId | String | Yes | pc-************* |
The ID of the cluster. |
DBNodeTargetClass | String | Yes | polar.mysql.x4.large |
The specifications of all nodes. For more information, see Specifications of computing nodes. |
ModifyType | String | Yes | Upgrade |
The type of the configuration change. Valid values:
|
ClientToken | String | No | 6000170000591aed949d0f54a343f1a4233c1e7d1c5c****** |
The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length. The token is case-sensitive. |
PlannedStartTime | String | No | 2021-01-14T09:00:00Z |
The earliest time to upgrade the specifications within the scheduled time period.
Specify the time in the Note
|
PlannedEndTime | String | No | 2021-01-14T09:30:00Z |
The latest start time to run the task. Specify the time in the Note
|
SubCategory | String | No | normal_general |
The category of the cluster. Valid values:
|
Response parameters
Parameter | Type | Example | Description |
---|---|---|---|
DBClusterId | String | pc-************* |
The ID of the PolarDB cluster. |
OrderId | String | 2035629****** |
The ID of the order. |
RequestId | String | 685F028C-4FCD-407D-A559-072D63****** |
The ID of the request. |
Examples
Sample requests
http(s)://polardb.aliyuncs.com/?Action=ModifyDBNodeClass
&DBClusterId=pc-*************
&DBNodeTargetClass=polar.mysql.x4.large
&ModifyType=Upgrade
&<Common request parameters>
Sample success responses
XML
format
<ModifyDBNodeClassResponse>
<RequestId>685F028C-4FCD-407D-A559-072D6378C4C3</RequestId>
<OrderId>2035629******</OrderId>
<DBClusterId>pc-**************</DBClusterId>
</ModifyDBNodeClassResponse>
JSON
format
{
"RequestId": "685F028C-4FCD-407D-A559-072D6378C4C3",
"OrderId": "2035629******",
"DBClusterId": "pc-**************"
}
Error codes
For a list of error codes, visit the API Error Center.