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    E-MapReduce:NodeGroupConfig

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    E-MapReduce:NodeGroupConfig

    Last Updated:May 28, 2026

    Parameter

    Type

    Description

    Example

    object

    WithPublicIp

    boolean

    Specifies whether to assign a public IP address to the instances. Valid values:

    • true: Assigns a public IP address.

    • false: Does not assign a public IP address.

    Default value: false.

    false
    SpotInstanceRemedy

    boolean

    If enabled, the auto scaling group attempts to create a new instance to replace a spot instance that is about to be reclaimed. This process is triggered when the auto scaling group receives a system message about the impending reclamation. Valid values:

    • true: The auto scaling group attempts to replace a spot instance that is about to be reclaimed.

    • false: The auto scaling group does not attempt to replace a spot instance that is about to be reclaimed.

    Default value: false.

    true
    ComponentTags

    array

    A list of custom component tags.

    string

    DataDisks

    array

    The data disks. Currently, the array can contain only one data disk.

    DataDisk

    The data disk.

    CompensateWithOnDemand

    boolean

    Specifies whether to automatically create pay-as-you-go instances to meet the required capacity when the number of preemptible instances is insufficient. This parameter is effective only when nodeResizeStrategy is set to COST_OPTIMIZED.

    true
    AutoCompensateState

    boolean

    • true: Enables auto-compensation.

    • false: Disables auto-compensation.

    Default value: false.

    false
    SystemDisk SystemDisk

    The system disk.

    PrivatePoolOptions PrivatePoolOptions

    The private pool options. This parameter is effective only when you create pay-as-you-go instances.

    IaaSType

    string

    The IaaS type of the node group. Valid values:

    • ECS

    • ACK

    NodeGroupType

    string

    The type of the node group. Valid values:

    • MASTER: a master node group.

    • CORE: a core node group.

    • TASK: a task node group.

    CORE
    ImageId

    string

    The image ID. This parameter is for internal use only. If you specify this parameter, the system uses the specified image to create the node group.

    AckConfig

    AckConfig

    The ACK node group configuration. This parameter is required only when IaaSType is set to ACK.

    PaymentType

    string

    The billing method of the node group. If you do not specify this parameter, the billing method of the cluster is used. Valid values:

    • PayAsYouGo: pay-as-you-go.

    • Subscription: subscription.

    Default value: PayAsYouGo.

    PayAsYouGo
    InstanceTypes

    array

    The instance types. You can specify 1 to 100 instance types.

    ["ecs.g6.xlarge"]

    string

    The instance type.

    ecs.g7.2xlarge
    CostOptimizedConfig CostOptimizedConfig

    The cost optimization settings.

    GracefulShutdown

    boolean

    Specifies whether to enable graceful shutdown for the components in the node group. Valid values:

    • true: Enables graceful shutdown.

    • false: Disables graceful shutdown.

    Default value: false.

    false
    SpotStrategy

    string

    The preemption strategy for preemptible instances. Valid values:

    • NoSpot: pay-as-you-go instances.

    • SpotWithPriceLimit: preemptible instances with a user-defined maximum hourly price.

    • SpotAsPriceGo: preemptible instances that are automatically bid at the pay-as-you-go price.

    Default value: NoSpot.

    NoSpot
    ZoneId

    string

    The zone ID.

    cn-beijing-h
    NodeGroupName

    string

    The name of the node group. The name can be up to 128 characters in length and must be unique within the cluster.

    core-1
    NodeCount

    integer

    The number of nodes in the node group. Valid values: 1 to 1,000.

    3
    VSwitchIds

    array

    The vSwitch IDs. You can specify 1 to 20 vSwitch IDs.

    ["vsw-hp35g7ya5ymw68mmg****"]

    string

    The vSwitch ID.

    SpotBidPrices

    array

    The bid prices for the preemptible instances. This parameter is effective only when SpotStrategy is set to SpotWithPriceLimit. You can specify up to 100 bid prices.

    SpotBidPrice

    NodeResizeStrategy

    string

    The node scale-out strategy. Valid values:

    • COST_OPTIMIZED: The cost-optimized strategy.

    • PRIORITY: The priority-based strategy.

    Default value: PRIORITY.

    PRIORITY
    AutoScalingPolicy

    AutoScalingPolicy

    The auto scaling policy.

    SubscriptionConfig SubscriptionConfig

    The subscription settings of the node group. If you do not specify this parameter, the subscription settings of the cluster are used.

    AdditionalSecurityGroupIds

    array

    The IDs of the additional security groups. In addition to the security group of the cluster, you can specify additional security groups for the node group. You can specify up to two security group IDs.

    ["sg-hp3abbae8lb6lmb1****"]

    string

    The security group ID.

    sg-hp3abbae8lb6lmb1****
    DeploymentSetStrategy

    string

    The deployment set strategy. Valid values:

    • NONE: No deployment sets are used.

    • CLUSTER: The cluster-level deployment set is used.

    • NODE_GROUP: The node group-level deployment set is used.

    Default value: NONE.

    NONE