You can call this operation to change the number of nodes in an instance.

You can raise the number of core nodes in an instance. Five core nodes can be added at most at a time and a maximum of 20 nodes can be configured for an instance. If you want to use more nodes, submit a ticket.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ResizeNodeCount

The operation that you want to perform. Set the value to ResizeNodeCount.
ClusterId String Yes hb-bp16o0pd52e****

The ID of the instance.
NodeCount Integer Yes 5

The number of core nodes in the cluster.

Five core nodes can be added at most at a time and a maximum of 20 nodes can be configured for an instance. If you want to use more nodes, submit a ticket.

Response parameters

Parameter Type Example Description
OrderId String 204708600050793

The ID of the order.

Examples

Sample requests


http(s)://[Endpoint]/? Action=ResizeNodeCount
&ClusterId=hb-bp16o0pd52e3y582s
&NodeCount=5
&<Common request parameters>

Sample success responses

JSON format 

{
	"RequestId":"B288B41F-6681-42A6-8905-47C3C42B19B0",
	"OrderId":"204708600050793"
}

Error codes

For a list of error codes, visit the API Error Center.