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    E-MapReduce:NodeGroup

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    E-MapReduce:NodeGroup

    Last Updated:May 28, 2026

    Parameter

    Type

    Description

    Example

    object

    The node group.

    ZoneId

    string

    The zone ID.

    cn-hangzhou
    NodeGroupId

    string

    The node group ID.

    ng-869471354ecd****
    NodeGroupName

    string

    The node group name.

    core-1
    NodeGroupType

    string

    The type of the node group. Valid values:

    • MASTER: A master node.

    • CORE: A core node.

    • TASK: A task node.

    • GATEWAY: A gateway node. This value is not applicable to DATALAKE, OLAP, or DATASERVING clusters.

    MASTER
    RunningNodeCount

    integer

    The number of running nodes.

    3
    InstanceTypes

    array

    The instance types.

    ["ecs.g6.4xlarge"]

    string

    The instance type.

    ecs.g7.2xlarge
    PaymentType

    string

    The payment type. Valid values are Subscription for the subscription billing method and PayAsYouGo for the Pay-As-You-Go billing method.

    Subscription
    DataDisks

    array

    The data disks.

    DataDisk

    The data disk.

    SystemDisk SystemDisk

    The system disk.

    NodeGroupState

    string

    The state of the node group.

    RESIZING
    AdditionalSecurityGroupIds

    array

    The additional security group IDs.

    ["sg-hp3abbae8lb6lmb1****"]

    string

    WithPublicIp

    boolean

    Specifies whether to assign a public IP address.

    true
    VSwitchIds

    array

    The VSwitch IDs.

    ["vsw-hp35g7ya5ymw68mmg****"]

    string

    The VSwitch ID.

    vsw-bp1opd2qejvhsabfe****
    SpotStrategy

    string

    The policy for using spot instances. Valid values:

    • NoSpot: No spot instances are used.

    • SpotWithPriceLimit: Spot instances are created with a user-defined maximum bid price.

    • SpotAsPriceGo: The system automatically bids for spot instances. The bid price does not exceed the price of a Pay-As-You-Go instance.

    Default: NoSpot.

    NoSpot
    SpotBidPrices

    array

    The bid prices for the spot instances. This parameter is effective only when SpotStrategy is set to SpotWithPriceLimit. The array can contain 0 to 100 elements.

    SpotBidPrice

    The bid price for a spot instance.

    StateChangeReason NodeGroupStateChangeReason

    The reason for the state change.

    Specifies whether to enable graceful shutdown for components in the node group. Valid values: * true * false: does not enable graceful disconnection.

    MinimalNodeCount

    integer

    The minimum number of instances in the node group.

    0
    MaximalNodeCount

    integer

    The maximum number of instances in the node group.

    200
    GracefulShutdown

    boolean

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

    • true: Enables graceful shutdown.

    • false: Disables graceful shutdown.

    false
    SpotInstanceRemedy

    boolean

    Specifies whether to enable spot instance remedy. If enabled, the scaling group attempts to create a new instance to replace a spot instance that is about to be reclaimed. Valid values:

    • true: Enables spot instance remedy.

    • false: Disables spot instance remedy.

    Default: false.

    false
    CompensateWithOnDemand

    boolean

    Applies only when NodeResizeStrategy is set to COST_OPTIMIZED. If set to true, the system creates Pay-As-You-Go instances to meet the target capacity if it fails to create enough spot instances due to price or inventory constraints.

    true
    NodeResizeStrategy

    string

    • COST_OPTIMIZED: The cost-optimized strategy.

    • PRIORITY: The priority-based strategy.

    PRIORITY
    CostOptimizedConfig CostOptimizedConfig

    The configurations of the cost-optimized mode.

    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: NONE.

    NONE
    AutoCompensateState

    boolean

    Specifies whether to enable auto-compensation. Valid values:

    • true: Enables auto-compensation.

    • false: Disables auto-compensation.

    Default: false.

    false
    ExtraAttributes

    object

    Additional attributes for the node group. For internal console use only.

    {}

    string

    The attribute value.

    true
    AckConfig

    AckConfig

    The configurations for ACK.

    IaaSType

    string

    The Infrastructure as a Service (IaaS) type of the node group. Valid values:

    • ECS

    • ACK

    PrivatePoolOptions PrivatePoolOptions

    The private pool options.

    Status

    string

    The node group state.

    CREATED