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    E-MapReduce:ComponentInstanceSelector

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    E-MapReduce:ComponentInstanceSelector

    Last Updated:Apr 15, 2026

    Parameter

    Type

    Description

    Example

    object

    A selector for component instances.

    ActionScope

    string

    The action scope. Valid values:

    • APPLICATION: The application level.

    • COMPONENT: The component level.

    • COMPONENT_INSTANCE: The component instance level.

    APPLICATION

    RunActionScope

    string

    The action scope. Valid values:

    • APPLICATION: The application level.

    • COMPONENT: The component level.

    • COMPONENT_INSTANCE: The component instance level.

    APPLICATION
    ApplicationName

    string

    The application name.

    HDFS
    Components

    array

    A list of components. This parameter is used when RunActionScope is set to COMPONENT.

    object

    Component details.

    ApplicationName

    string

    The application name.

    HDFS
    ComponentName

    string

    The component name.

    DataNode
    ComponentInstances

    array

    A list of component instances. This parameter is used when RunActionScope is set to COMPONENT_INSTANCE.

    object

    Component instance details.

    ApplicationName

    string

    The application name.

    HDFS
    ComponentName

    string

    The component name.

    DataNode
    NodeId

    string

    The node ID.

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