This API is used to query the number of nodes to be removed from a cluster for better performance.

For details, see Calling APIs.

GET /v1.0/{project_id}/clusters/{cluster_id}/shrink-numbers

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. To obtain the value, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
cluster_id	Yes	String	Definition Cluster ID. For details about how to obtain the value, see Obtaining the Cluster ID. Constraints The value must be a valid DWS cluster ID. Range It is a 36-digit UUID. Default Value N/A

None

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
shrink_sequence	Array of strings	Definition Number of nodes to be removed. Range N/A

Query the number of nodes to be removed from a cluster for better performance.

GET https://{Endpoint}/v1.0/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/shrink-numbers

Status code: 200

Request succeeded.

{
  "shrink_sequence" : [ 3, 7 ]
}

Status Code	Description
200	Request succeeded.
400	Request error.
401	Authentication failed.
403	You do not have required permissions.
404	No resources found.
500	Internal server error.
503	Service unavailable.

Querying the Number of Nodes to Be Removed from a Cluster for Better Performance