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    E-MapReduce:NodeGroupStateChangeReason

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    E-MapReduce:NodeGroupStateChangeReason

    Last Updated:Oct 20, 2026

    Parameter

    Type

    Description

    Example

    object

    The reason for the node group status change, including the reason code and description.

    Message

    string

    The detailed description of the status change.

    The instance type is required.
    Code

    string

    The status code. Valid values:

    • UserRequest: The change is triggered by a user request.

    • OutOfStock: The requested ECS instance type is out of stock.

    • NotAuthorized: You are not authorized.

    • QuotaExceeded: The quota is exceeded.

    • OperationDenied: The operation is denied.

    • AccountException: An account exception occurred.

    • NodeFailure: An ECS node failure occurred.

    • BootstrapFailure: The bootstrap failed.

    • ValidationFail: Business logic validation failed.

    • ServiceFailure: A dependent service failed.

    • InternalError: An internal error occurred.

    UserRequest