CreateInstance - ApsaraDB for Redis - Alibaba Cloud Documentation Center

Before you call this operation, make sure that you understand the billing methods and pricing of ApsaraDB for Redis.

You can call this operation to create ApsaraDB for Redis instances that use local or cloud disks and Tair DRAM-based instances that use local disks. To create Tair instances that use cloud disks, call the CreateTairInstance operation.

Note For more information about how to create an instance that meets your requirements in the ApsaraDB for Redis console, see Step 1: Create an ApsaraDB for Redis instance.

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	CreateInstance	The operation that you want to perform. Set the value to CreateInstance.
RegionId	String	Yes	cn-hangzhou	The ID of the region where you want to create the instance. You can call the DescribeRegions operation to query the most recent region list.
Token	String	No	ETnLKlblzczshOTUbOCz****	The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must make sure that it is unique among different requests. The token is case-sensitive. The token can contain only ASCII characters and cannot exceed 64 characters in length.
InstanceName	String	No	apitest	The name of the instance. The name must be 2 to 80 characters in length and must start with a letter. It cannot contain spaces or specific special characters. These special characters include `@ / : = " < > { [ ] }`
Password	String	No	Pass!123456	The password that is used to connect to the instance. The password must be 8 to 32 characters in length and must contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters. Special characters include `! @ # $ % ^ & * ( ) _ + - =`
Capacity	Long	No	16384	The storage capacity of the instance. Unit: MB. Note You must specify at least one of the Capacity and InstanceClass parameters when you call the CreateInstance operation.
InstanceClass	String	No	redis.master.small.default	The instance type of the instance. Example: redis.master.small.default. A redis.master.small.default instance is a 1 GB standard master-replica instance of the Community Edition that uses local disks. For more information, see Overview. Note You must specify at least one of the Capacity and InstanceClass parameters when you call the CreateInstance operation.
ZoneId	String	Yes	cn-hangzhou-e	The primary zone ID of the instance. You can call the DescribeRegions operation to query the most recent zone list.
ChargeType	String	No	PostPaid	The billing method of the instance. Default value: PostPaid. Valid values: PrePaid: subscription PostPaid: pay-as-you-go Note The default value is PostPaid.
NetworkType	String	No	VPC	The network type of the instance. Set the value to VPC.
VpcId	String	No	vpc-bp1nme44gek34slfc****	The ID of the virtual private cloud (VPC).
VSwitchId	String	No	vsw-bp1e7clcw529l773d****	The ID of the vSwitch to which to connect the instance.
Period	String	No	12	The subscription duration. Valid values: 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 24,36, and 60. Unit: months. Note This parameter is valid and required only if the ChargeType parameter is set to PrePaid.
BusinessInfo	String	No	000000000	The ID of the promotional event or business information.
CouponNo	String	No	youhuiquan_promotion_option_id_for_blank	The coupon code. Default value: `youhuiquan_promotion_option_id_for_blank`.
SrcDBInstanceId	String	No	r-bp1zxszhcgatnx****	The ID of the source instance. If you want to create an instance based on a backup file of a specific instance, you can specify this parameter and use the BackupId or RestoreTime parameter to specify the backup file.
BackupId	String	No	111111111	The ID of the backup file of the source instance. If you want to create an instance based on a backup file of a specific instance, you can set this parameter after you set the SrcDBInstanceId parameter. Then, the system creates an instance based on the backup file that is specified by this parameter. You can call the DescribeBackups operation to query the IDs of backup files. Note After you set the SrcDBInstanceId parameter, you must set the BackupId or RestoreTime parameter to specify the backup file.
InstanceType	String	No	Redis	The database engine of the instance. Valid values: Redis Memcache Note The default value is Redis.
EngineVersion	String	No	4.0	The database engine version of the instance. Valid values: 4.0, 5.0, 6.0, and 7.0. Note The default value is 5.0.
PrivateIpAddress	String	No	172.16.0.***	The private IP address of the instance. Note The private IP address must be available within the CIDR block of the vSwitch to which to connect the instance.
AutoUseCoupon	String	No	false	Specifies whether to use a coupon. Valid values: true: uses a coupon. false: does not use a coupon. Note The default value is false.
AutoRenew	String	No	true	Specifies whether to enable auto-renewal for the instance. Valid values: true: enables auto-renewal for the instance. false: disables auto-renewal for the instance. Note The default value is false.
AutoRenewPeriod	String	No	3	The auto-renewal period. Unit: months. Valid values: 1, 2, 3, 6, and 12. Note This parameter is required if the AutoRenew parameter is set to true.
ResourceGroupId	String	No	rg-resourcegroupid1	The ID of the resource group to which to assign the instance.
RestoreTime	String	No	2019-06-19T16:00:00Z	The point in time at which the specified source instance is backed up. If you want to create an instance based on a backup file of a specific instance, you can set this parameter to specify a point in time after you set the SrcDBInstanceId parameter. Then, the system creates an instance based on the backup file that was created at the specified point in time for the source instance. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC. Note After you set the SrcDBInstanceId parameter, you must set the BackupId or RestoreTime parameter to specify the backup file.
DedicatedHostGroupId	String	No	dhg-uv4fnk6r7zff****	The ID of the dedicated cluster. This parameter is required if you create an instance in a dedicated cluster.
ShardCount	Integer	No	4	The number of shards. This parameter is available only for cluster instances that use cloud disks. You can use this parameter to specify the number of shards.
ReadOnlyCount	Integer	No	5	The number of read-only nodes of the instance. This parameter is available only if you create a read/write splitting instance that uses cloud disks. You can use this parameter to specify a custom number of read-only nodes for the instance. Valid value: 1 to 5.
GlobalInstanceId	String	No	gr-bp14rkqrhac****	The ID of the distributed instance. This parameter is available only on the China site (aliyun.com).
GlobalInstance	Boolean	No	false	Specifies whether to use the new instance as the first child instance of the distributed instance. Default value: false. Valid values: true: uses the new instance as the first child instance. false: does not use the new instance as the first child instance. Note If you want to create a performance-enhanced instance of the ApsaraDB for Redis Enhanced Edition (Tair) that runs Redis 5.0, you must set this parameter to true. This parameter is available only on the China site (aliyun.com).
SecondaryZoneId	String	No	cn-hangzhou-h	The secondary zone ID of the instance. You can call the DescribeZones operation to query the most recent zone list. Note If you specify this parameter, the master node and replica node of the instance can be deployed in different zones and disaster recovery is implemented across zones. The instance can withstand failures in data centers.
Port	String	No	6379	The port number of the instance. Valid values: 1024 to 65535. Default value: 6379.
DryRun	Boolean	No	false	Specifies whether to conduct a precheck before the system creates the instance. Valid values: true: The system prechecks the request and does not create the instance. The system prechecks the request parameters, request format, service limits, and available resources. If the request fails to pass the precheck, an error message is returned. If the request passes the precheck, the `DryRunOperation` error code is returned. false: The system sends the request without a precheck. If the request is determined as valid, the system creates the instance.
Tag.N.Key	String	No	testkey	The key of tag N. Note N specifies the serial number of the tag. Up to 20 tags can be specified for a single instance. For example, Tag.1.Key specifies the key of the first tag and Tag.2.Key specifies the key of the second tag. If the key of the tag does not exist, the key is automatically created.
Tag.N.Value	String	No	testvalue	The value of tag N. Note N specifies the serial number of the tag. For example, Tag.1.Value specifies the value of the first tag and Tag.2.Value specifies the value of the second tag.

Response parameters


Parameter	Type	Example	Description
VpcId	String	vpc-bp1nme44gek34slfc****	The ID of the VPC.
QPS	Long	100000	The expected maximum queries per second (QPS).
Capacity	Long	16384	The storage capacity of the instance. Unit: MB.
ConnectionDomain	String	r-bp1zxszhcgatnx****.redis.rds.aliyuncs.com	The internal endpoint of the instance.
ChargeType	String	PostPaid	The billing method of the instance. Valid values: PrePaid: subscription PostPaid: pay-as-you-go
NetworkType	String	VPC	The network type of the instance. Valid values: CLASSIC: classic network VPC: VPC
InstanceId	String	r-bp1zxszhcgatnx****	The GUID of the instance.
Port	Integer	6379	The service port of the instance.
Config	String	{\"EvictionPolicy\":\"volatile-lru\",\"hash-max-ziplist-entries\":512,\"zset-max-ziplist-entries\":128,\"zset-max-ziplist-value\":64,\"set-max-intset-entries\":512,\"hash-max-ziplist-value\":64}	The configurations of the instance.
RegionId	String	cn-hongkong	The ID of region in which the instance is created.
EndTime	String	2019-01-18T16:00:00Z	The time when the subscription expires. The time follows the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time is displayed in UTC.
VSwitchId	String	vsw-bp1e7clcw529l773d****	The ID of the vSwitch to which the instance is connected.
RequestId	String	5DEA3CC9-F81D-4387-8E97-CEA40F09****	The ID of the request.
NodeType	String	MASTER_SLAVE	The node type. Valid values: STAND_ALONE: standalone MASTER_SLAVE: master-replica
Connections	Long	10000	The maximum number of connections supported by the instance.
Bandwidth	Long	32	The maximum bandwidth of the instance. Unit: MB/s.
InstanceName	String	apitest	The name of the instance.
ZoneId	String	cn-hangzhou-b	The zone ID of the instance.
InstanceStatus	String	Creating	The state of the instance. The return value is Creating.
PrivateIpAddr	String	172.16.0.10	The private IP address of the instance.
UserName	String	r-bp1zxszhcgatnx****	The username that is used to connect to the instance. By default, ApsaraDB for Redis provides a username that is named after the instance ID.
OrderId	Long	2084452111111	The ID of the order.

Examples

Sample requests

https://r-kvstore.aliyuncs.com/?Action=CreateInstance
&RegionId=cn-hangzhou
&ZoneId=cn-hangzhou-e
&InstanceClass=redis.master.2xlarge.default
&InstanceName=apitest
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<CreateInstanceResponse>
    <ChargeType>PostPaid</ChargeType>
    <Config>{"EvictionPolicy":"volatile-lru","hash-max-ziplist-entries":512,"zset-max-ziplist-entries":128,"zset-max-ziplist-value":64,"set-max-intset-entries":512,"hash-max-ziplist-value":64}</Config>
    <InstanceId>r-bp1zxszhcgatnx****</InstanceId>
    <UserName>r-bp1zxszhcgatnx****</UserName>
    <ZoneId>cn-hangzhou-b</ZoneId>
    <InstanceStatus>Creating</InstanceStatus>
    <Port>6379</Port>
    <QPS>100000</QPS>
    <RequestId>96132219-F1E6-40AB-8853-C32055B8****</RequestId>
    <RegionId>cn-hangzhou</RegionId>
    <Capacity>16384</Capacity>
    <ConnectionDomain>r-bp1zxszhcgatnx****.redis.rds.aliyuncs.com</ConnectionDomain>
    <InstanceName>apitest</InstanceName>
    <Bandwidth>32</Bandwidth>
    <Connections>10000</Connections>
</CreateInstanceResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "ChargeType" : "PostPaid",
  "Config" : "{\"EvictionPolicy\":\"volatile-lru\",\"hash-max-ziplist-entries\":512,\"zset-max-ziplist-entries\":128,\"zset-max-ziplist-value\":64,\"set-max-intset-entries\":512,\"hash-max-ziplist-value\":64}",
  "InstanceId" : "r-bp1zxszhcgatnx****",
  "UserName" : "r-bp1zxszhcgatnx****",
  "ZoneId" : "cn-hangzhou-b",
  "InstanceStatus" : "Creating",
  "Port" : 6379,
  "QPS" : 100000,
  "RequestId" : "96132219-F1E6-40AB-8853-C32055B8****",
  "RegionId" : "cn-hangzhou",
  "Capacity" : 16384,
  "ConnectionDomain" : "r-bp1zxszhcgatnx****.redis.rds.aliyuncs.com",
  "InstanceName" : "apitest",
  "Bandwidth" : 32,
  "Connections" : 10000
}

Error codes


HTTP status code	Error code	Error message	Description
400	InsufficientBalance	Your account does not have enough balance.	The error message returned because your account balance is insufficient. Add funds to your account and try again.
400	QuotaExceed.AfterpayInstance	Living afterpay instances quota exceeded.	The error message returned because the maximum number of instances has been reached.
400	InvalidCapacity.NotFound	The Capacity provided does not exist in our records.	The error message returned because the specified capacity is invalid.
400	ResourceNotAvailable	Resource you requested is not available for finance user.	The error message returned because the requested resource is unavailable to users of Alibaba Finance Cloud.
400	PaymentMethodNotFound	No payment method has been registered on the account.	The error message returned because no payment method is specified for your account.
400	IdempotentParameterMismatch	Request uses a client token in a previous request but is not identical to that request.	The error message returned because the current request uses a token that has been used in an earlier request but the two requests are not identical.
400	QuotaNotEnough	Quota not enough in this zone.	The error message returned because the maximum number of instances in this zone has been reached.
400	QuotaExceed	Living afterpay instances quota exceed.	The error message returned because the maximum number of instances has been reached.
400	IzNotSupportVpcError	Specify iz not support vpc.	The error message returned because the specified iz parameter does not support VPCs.
403	RealNameAuthenticationError	Your account has not passed the real-name authentication yet.	The error message returned because your Alibaba Cloud account has not completed real-name verification.

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