Last updated: 2020-02-18 16:56:12

1. API Description

Domain name for API request:

This API is used to create EMR instance.

A maximum of 20 requests can be initiated per second for this API.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: CreateInstance
Version Yes String Common parameter. The value used for this API: 2019-01-03
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
ProductId Yes Integer Product ID. Different product IDs represent different EMR product versions. Valid values:
  • 1: EMR v1.3.1.
  • 2: EMR v2.0.1.
  • 4: EMR v2.1.0.
  • 7: EMR v3.0.0.
  • VPCSettings Yes VPCSettings Configuration information of VPC. This parameter is used to specify the VPC ID, subnet ID, etc.
    Software.N Yes Array of String List of deployed components. Different ProductIds correspond to components on different versions. For example, when ProductId is 4, this parameter can be Software.0=hadoop-2.8.4&Software.1=zookeeper-3.4.9; when ProductId is 2, this parameter can be Software.0=hadoop-2.7.3&Software.1=zookeeper-3.4.9.
    ResourceSpec Yes NewResourceSpec Node resource specification.
    SupportHA Yes Integer Whether to enable high node availability. Valid values:
  • 0: does not enable high availability of node.
  • 1: enables high availability of node.
  • InstanceName Yes String Instance name.
  • Length limit: 6–36 characters.
  • Only letters, numbers, dashes (-), and underscores (_) are supported.
  • PayMode Yes Integer Instance billing mode. Valid values:
  • 0: pay-as-you-go.
  • Placement Yes Placement Instance location. This parameter is used to specify the AZ, project, and other attributes of the instance.
    TimeSpan Yes Integer Purchase duration of instance, which needs to be used together with TimeUnit.
  • When PayMode is 0, TimeSpan can only be 3,600.
  • TimeUnit Yes String Time unit of instance purchase duration. Valid values:
  • s: seconds. When PayMode is 0, TimeUnit can only be s.
  • m: month. When PayMode is 1, TimeUnit can only be m.
  • LoginSettings Yes LoginSettings Instance login settings. This parameter allows you to set the login password or key for your purchased node.
  • If the key is set, the password will be only used for login to the native component WebUI.
  • If the key is not set, the password will be used for login to all purchased nodes and the native component WebUI.
  • COSSettings No COSSettings Parameter required for enabling COS access.
    SgId No String Security group to which an instance belongs in the format of sg-xxxxxxxx. This parameter can be obtained from the SecurityGroupId field in the return value of the DescribeSecurityGroups API.
    PreExecutedFileSettings.N No Array of PreExecuteFileSettings Bootstrap script settings.
    AutoRenew No Integer Auto-renewal flag. Valid values:
  • 0: auto-renewal not enabled.
  • 1: auto-renewal enabled.
  • ClientToken No String Client token.
    NeedMasterWan No String Whether to enable public IP access for master node. Valid values:
  • NEED_MASTER_WAN: enables public IP for master node.
  • NOT_NEED_MASTER_WAN: does not enable.
  • Public IP is enabled for master node by default.
    RemoteLoginAtCreate No Integer Whether to enable remote public network login, i.e., port 22. When SgId is not empty, this parameter does not take effect.
    CheckSecurity No Integer Whether to enable secure cluster. 0: no; other values: yes.
    ExtendFsField No String Accesses to external file system.
    Tags.N No Array of Tag Tag description list. This parameter is used to bind a tag to a resource instance.
    DisasterRecoverGroupIds.N No Array of String List of spread placement group IDs. Only one can be specified currently.

    3. Output Parameters

    Parameter Name Type Description
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Creating instance

    Input Example
    &<Common Request Parameters>

    Output Example

      "Response": {
        "RequestId": "701453be-7257-40e6-b5fd-4bbb01baae36"

    5. Developer Resources

    API Explorer

    This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.


    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    FailedOperation Operation failed.
    InternalError Internal error.
    InternalError.CheckQuotaErr CVM or CBS resources are insufficient or software is invalid.
    InvalidParameter Invalid parameter.
    InvalidParameter.IncorrectCommonCount The number of common nodes is invalid.
    InvalidParameter.IncorrectMasterCount The number of master nodes is invalid.
    InvalidParameter.InvaildCoreCount The number of core nodes cannot exceed 20.
    InvalidParameter.InvalidAutoRenew Invalid auto-renewal flag.
    InvalidParameter.InvalidClientToken Invalid ClientToken.
    InvalidParameter.InvalidComponent Invalid component.
    InvalidParameter.InvalidCoreCount The number of core nodes is invalid.
    InvalidParameter.InvalidInstanceName Invalid cluster name.
    InvalidParameter.InvalidLoginSetting Invalid login settings.
    InvalidParameter.InvalidPassword Invalid password.
    InvalidParameter.InvalidPaymode Invalid billing mode.
    InvalidParameter.InvalidPreExecutedFile Invalid bootstrap script.
    InvalidParameter.InvalidProductId Invalid product ID.
    InvalidParameter.InvalidProjectId Invalid project ID.
    InvalidParameter.InvalidResourceSpec Invalid resource specification.
    InvalidParameter.InvalidSercurityGrpupId Invalid security group ID.
    InvalidParameter.InvalidSoftInfo Invalid SoftInfo.
    InvalidParameter.InvalidSubnetId Invalid subnet ID.
    InvalidParameter.InvalidSupportHA Invalid high availability parameter.
    InvalidParameter.InvalidTimeSpan Invalid timespan.
    InvalidParameter.InvalidTimeUnit Invalid TimeUnit.
    InvalidParameter.InvalidVpcId Invalid VPC ID.
    InvalidParameter.InvalidZone Invalid AZ.
    InvalidParameter.PayModeResourceNotMatch The billing mode and resource do not match.
    InvalidParameter.SoftwareNotInProducr There is an invalid product component.
    InvalidParameter.SoftwareNotInProduct There is an invalid product component.
    InvalidParameter.ZoneResourceNotMatch The AZ and resource do not match.
    InvalidParameterValue Incorrect parameter value.
    MissingParameter Missing parameter.
    ResourceInsufficient.DiskInsufficient The disk specification is insufficient.
    ResourceInsufficient.InstanceInsufficient The node specification is unsupported or has been sold out.
    ResourceNotFound.TagsNotFound No specified tag found.
    ResourcesSoldOut. The resources have been sold out.
    ResourcesSoldOut.CbsSoldOut The CBS resources have been sold out.
    ResourcesSoldOut.CvmSoldOut CVM instances have been sold out.
    UnknownParameter Unknown parameter.
    UnsupportedOperation Unsupported operation.