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    E-MapReduce:NodeGroup

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    E-MapReduce:NodeGroup

    Last Updated:Oct 16, 2026

    Parameter

    Type

    Description

    Example

    object

    The node group.

    WithPublicIp

    boolean

    Specifies whether to assign a public IP address.

    true
    SpotInstanceRemedy

    boolean

    Specifies whether to enable spot instance replenishment. If this feature is enabled, the scaling group attempts to create new instances to replace spot instances that are about to be reclaimed when a system message about the reclamation is received. Valid values:

    • true: Enables spot instance replenishment.

    • false: Disables spot instance replenishment.

    Default value: false.

    false
    DataDisks

    array

    The data cloud disks.

    DataDisk

    The data cloud disk.

    CompensateWithOnDemand

    boolean

    Specifies whether to automatically create pay-as-you-go instances to meet the required number of ECS instances when the nodeResizeStrategy parameter is set to COST_OPTIMIZED and sufficient spot instances cannot be created due to price or inventory constraints.

    true
    NodeGroupState

    string

    The state of the node group.

    RESIZING
    SystemDisk SystemDisk

    The system cloud disk.

    PrivatePoolOptions PrivatePoolOptions

    The private pool settings for the node group.

    NodeGroupType

    string

    The type of the node group. Valid values:

    • MASTER: Master node.

    • CORE: Core node.

    • TASK: Task node.

    • GATEWAY: Gateway node. This value is not supported for DATALAKE, OLAP, and DATASERVING.

    MASTER
    PaymentType

    string

    The billing method. Valid values:

    • Subscription: Subscription.

    • PayAsYouGo: Pay-as-you-go.

    Subscription
    InstanceTypes

    array

    The collection of instance types.

    ["ecs.g6.4xlarge"]

    string

    The instance type.

    ecs.g7.2xlarge
    CostOptimizedConfig CostOptimizedConfig

    The configuration of the cost optimization mode.

    GracefulShutdown

    boolean

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

    • true: Enables graceful shutdown.

    • false: Disables graceful shutdown.

    false
    SpotStrategy

    string

    The usage policy for spot instances. Valid values:

    • NoSpot: Does not use spot instances.

    • SpotWithPriceLimit: Uses spot instances with a custom maximum price.

    • SpotAsPriceGo: Uses spot instances with an automatically adjusted maximum price that does not exceed the price of pay-as-you-go instances.

    Default value: NoSpot.

    NoSpot
    StateChangeReason NodeGroupStateChangeReason

    The reason for the state change.

    Manual restart
    Status

    string

    The state of the node group.

    CREATED
    ZoneId

    string

    The zone ID.

    cn-hangzhou
    NodeGroupName

    string

    The name of the node group.

    core-1
    VSwitchIds

    array

    The collection of vSwitch IDs.

    ["vsw-hp35g7ya5ymw68mmg****"]

    string

    The vSwitch ID.

    vsw-bp1opd2qejvhsabfe****
    SpotBidPrices

    array

    The bid prices for spot instances. This parameter takes effect only when the SpotStrategy parameter is set to SpotWithPriceLimit. The number of array elements N ranges from 0 to 100.

    SpotBidPrice

    The bid price for a spot instance.

    NodeResizeStrategy

    string

    The node scale-out strategy. Valid values:

    • COST_OPTIMIZED: Cost optimization strategy.

    • PRIORITY: Priority strategy.

    PRIORITY
    NodeGroupId

    string

    The ID of the node group.

    ng-869471354ecd****
    AdditionalSecurityGroupIds

    array

    The security group IDs.

    ["sg-hp3abbae8lb6lmb1****"]

    string

    The security group ID.

    sg-hp3abbae8lb6lmb1****
    DeploymentSetStrategy

    string

    The deployment set strategy. Valid values:

    • NONE: Does not use a deployment set.

    • CLUSTER: Uses a cluster-level deployment set.

    • NODE_GROUP: Uses a node group-level deployment set.

    Default value: NONE.

    NONE
    RunningNodeCount

    integer

    The number of running nodes.

    3