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EC2  >  Structures  >  ReservedCapacityFallbackOptionsRequest

ReservedCapacityFallbackOptionsRequest

Structure Class

ReservedCapacityFallbackOptionsRequest dataclass

Bases: _SerdeShape

Describes the fallback behavior for an EC2 Fleet that uses reserved capacity when the reserved capacity is not enough to meet the target capacity. If you don't specify fallback options, EC2 Fleet does not fall back to any other market type after the specified reservation types are exhausted.

Attributes

market_types class-attribute instance-attribute 
market_types: list[str] | None = ...

The instance purchasing options to fall back to when the reserved capacity is not enough to meet the target capacity. The only supported value is on-demand, which launches On-Demand Instances to fulfill the remaining target capacity.