Description
This API supports sharded cluster instances only.
Input parameters
| Name | Type | Required or not | Description |
|---|---|---|---|
| Action | String | Yes | Required parameter; value: ModifyNodeSpec. |
| DBInstanceId | String | Yes | Primary instance ID |
| NodeId String | String | Yes | Sub-instance ID |
| NodeClass | String | Yes | Node specification |
| NodeStorage | String | No | Node disk space. Set this parameter for shard nodes. |
| ClientToken | String | No | Token. It is used to ensure the idempotence. |
Response parameters
| Name | Type | Description |
|---|---|---|
| Public response parameters | - | For more information, see public response parameters. |