Change host specifications - ResizeUHostInstance

Overview

Modify the resource configuration of the specified UHost instance, such as the number of CPU cores, memory capacity size, network enhancement, etc. Please refer to UHost Model Description for the optional configuration range.

💡 If you need to adjust the disk size, please call ResizeAttachedDisk.

ℹ️ 1. Before modifying the configuration, please make sure that the instance has been shut down.
2. After changing the disk space size, please follow the instructions to operate in the operating system after startup.

Definition

Public Parameters

Parameter Name	Type	Description Information	Required
Action	string	Corresponding API command name, the current API is `ResizeUHostInstance`.	Yes
PublicKey	string	The user's public key can be obtained from Console (opens in a new tab)	Yes
Signature	string	User signature generated based on public key and API command, see Signature Algorithm	Yes

Request Parameters

Parameter Name	Type	Description Information	Required
Region	string	Region. See List of Regions and Availability Zones	Yes
Zone	string	Availability Zone. See Availability Zone List	No
ProjectId	string	Project ID. If not filled in, the default project is used, sub-accounts must be filled in. Please refer to the GetProjectList interface.	No
UHostId	string	UHost Instance ID See DescribeUHostInstance	Yes
CPU	int	Number of virtual CPU cores. Optional parameters: 1-240 (optional range related to UHostType). The default value is the current instance's CPU core number.	No
Memory	int	Memory size. Unit: MB. Range: [1024, 1966080], must be a multiple of 1024 (optional range is related to UHostType). The default value is the current instance's memory size.	No
GPU	int	Number of GPU card cores. Only GPU models support this field (optional range related to MachineType+GpuType).	No
NetCapValue	int	Network card upgrade or downgrade (1 indicates upgrade, 2 indicates downgrade, 0 indicates no change)	No
AutoStart	boolean	Whether to immediately power on after the expansion is completed, default is false, If set to true, power on immediately after successful expansion; Spot and Postpaid chargeType uhost do not support the current feature;	No

Response Field

Field Name	Type	Description Information	Required
RetCode	int	Return status code. If it is 0, it means successful return. If it is not 0, it means failure.	Yes
Action	string	Operation command name.	Yes
Message	string	Returns an error message, providing detailed description when `RetCode` is non-zero.	No
UHostId	string	UHost Instance ID	No

Example

Request Example

https://api.ucloud-global.com/?Action=ResizeUHostInstance
&Region=cn-bj2
&Zone=cn-bj2-04
&ProjectId=org-xxx
&UHostId=uhost-xxx
&CPU=4
&Memory=2048
&GPU=5
&GPU=6
&AutoStart=false
&AutoStart=false
&AutoStart=true
&AutoStart=true

Response Example

{
  "Action": "ResizeUHostInstanceResponse",
  "RetCode": 0,
  "UHostId": "uhost-xxx"
}

ResizeAttachedDisk StartUHostInstance