CreateInstance - - Alibaba Cloud Documentation Center

Creates a Hologres instance.

Operation description

Note Before you call this operation, make sure that you understand the billing method and pricing of Hologres because this operation is charged.

For more information about the billing details of Hologres, see Pricing .
When you purchase a Hologres instance, you must specify the region and zone in which the Hologres instance resides. A region may correspond to multiple zones. Example:

cn-hangzhou: cn-hangzhou-h, cn-hangzhou-j
   cn-shanghai: cn-shanghai-e, cn-shanghai-f
   cn-beijing: cn-beijing-i, cn-beijing-g
   cn-zhangjiakou: cn-zhangjiakou-b
   cn-shenzhen: cn-shenzhen-e
   cn-hongkong: cn-hongkong-b
   cn-shanghai-finance-1: cn-shanghai-finance-1z
   ap-northeast-1: ap-northeast-1a
   ap-southeast-1: ap-southeast-1c
   ap-southeast-3: ap-southeast-3b
   ap-southeast-5: ap-southeast-5b
   ap-south-1: ap-south-1b
   eu-central-1: eu-central-1a
   us-east-1: us-east-1a
   us-west-1: us-west-1b

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
hologram:CreateInstance	create	All Resources ``	none	none

Request syntax

POST /api/v1/instances/create HTTP/1.1

Request parameters

Parameter	Type	Required	Description	Example
body	object	No	The request body.
regionId	string	Yes	The ID of the region. You can obtain region IDs in Endpoints .	cn-hangzhou
zoneId	string	Yes	The ID of the zone. For more information, see the "Operation description" section in this topic.	cn-hangzhou-h
vpcId	string	Yes	The ID of the virtual private cloud (VPC). The region in which the VPC resides must be the same as the region in which the Hologres instance resides.	vpc-t4netc3y5xxxx
vSwitchId	string	Yes	The ID of the vSwitch. The zone in which the vSwitch resides must be the same as the zone in which the Hologres instance resides.	vsw-2vccsiymtxxxxxx
resourceGroupId	string	No	The ID of the resource group. If you do not specify this parameter, the default resource group of the account is used.	""
instanceName	string	Yes	The name of the instance. The name must be 2 to 64 characters in length.	my_holo
instanceType	string	Yes	The category of the instance. Valid values: Standard: general-purpose instance Follower: read-only secondary instance Warehouse: virtual warehouse instance Shared: Hologres Shared Cluster instance	Standard
cpu	long	No	The instance specifications. Valid values: 8-core 32GB (number of compute nodes: 1) 32-core 128GB (number of compute nodes: 2) 64-core 256GB (number of compute nodes: 4) 96-core 384GB (number of compute nodes: 6) 128-core 512GB (number of compute nodes: 8) Others Note Set this parameter to the number of cores. If you want to set this parameter to specifications with more than 1,024 GB, you must submit a ticket. This parameter is invalid for Hologres Shared Cluster instances. The specifications of 8-core 32GB (number of compute nodes: 1) are for trial use only and cannot be used for production.	64
storageSize	long	No	The standard storage space of the instance. Unit: GB. Note This parameter is invalid for pay-as-you-go instances.	500
coldStorageSize	long	No	The infrequent access (IA) storage space of the instance. Unit: GB. Note This parameter is invalid for pay-as-you-go instances.	500
gatewayCount	long	No	The number of gateways. Valid values: 2 to 50. Note This parameter is required only for virtual warehouse instances.	4
chargeType	string	Yes	The billing method of the instance. Valid values: PrePaid: subscription PostPaid: pay-as-you-go Note This parameter is invalid for Hologres Shared Cluster instances. Hologres Shared Cluster instances have fixed specifications and are pay-as-you-go instances.	PostPaid
autoPay	boolean	No	Specifies whether to enable auto-payment. Default value: true. Valid values: true false Note The default value is true. If the balance of your account is insufficient, you can set this parameter to false. In this case, an unpaid order is generated. You can log on to the Expenses and Costs console to pay for the order.	true
pricingCycle	string	No	The billing cycle. Valid values: Month Hour Note This parameter can only be set to Month for subscription instances. This parameter can only be set to Hour for pay-as-you-go instances. By default, this parameter is set to Hour for Hologres Shared Cluster instances.	Month
duration	long	No	The validity period of the instance that you want to purchase. For example, you can specify a validity period of two months. Note You do not need to configure this parameter for pay-as-you-go instances.	2
autoRenew	boolean	No	Specifies whether to enable monthly auto-renewal. The default value is false. Valid values: true false	false
leaderInstanceId	string	No	The ID of the primary instance. This parameter is required for read-only secondary instances. Note The primary and secondary instances must meet the following requirements: The primary instance is in the Running state. The primary instance and secondary instances are deployed in the same region. The primary instance and secondary instances are deployed in the same zone. Less than 10 secondary instances are associated with the primary instance. The primary instance and secondary instances belong to the same Alibaba Cloud account.	hgpostcn-cn-lbj3aworq112
initialDatabases	string	No	The initial database.	chatbot
enableServerlessComputing	boolean	No	Specifies whether to enable the Serverless Computing feature. Valid values: true false	true

Response parameters

Parameter	Type	Description	Example
	object	The schema of the response.
RequestId	string	The ID of the request.	9CC37B9F-F4B4-5FF1-939B-AEE78DC70130
Data	object	The returned data.
InstanceId	string	The instance ID.	hgpostcn-cn-xxxxxx
OrderId	string	The order ID.	217523224780172
Code	string	The error code returned.	InvalidVpcOrVSwitch.NotAvailable
Message	string	The error details.
Success	string	Indicates whether the instance was created. true false	true
HttpStatusCode	string	The HTTP status code.	200
ErrorMessage	string	The error message returned.	null
ErrorCode	string	The error code returned.	null

If parameter verification fails, data is returned. In the returned data, Success is set to false, and the Code and Message parameters are included. The value of HttpStatusCode is 200.

Examples

Sample success responses

JSONformat

{
  "RequestId": "9CC37B9F-F4B4-5FF1-939B-AEE78DC70130",
  "Data": {
    "InstanceId": "hgpostcn-cn-xxxxxx",
    "OrderId": "217523224780172",
    "Code": "InvalidVpcOrVSwitch.NotAvailable",
    "Message": "",
    "Success": "true"
  },
  "HttpStatusCode": "200",
  "ErrorMessage": "null",
  "ErrorCode": "null"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2024-04-10	The internal configuration of the API is changed, but the call is not affected	View Change Details
2023-10-18	The internal configuration of the API is changed, but the call is not affected	View Change Details
2023-07-19	The internal configuration of the API is changed, but the call is not affected	View Change Details