Configuration for flexible node types, allowing fallback to alternate node types during cluster launch and upscale.
Optional
A list of node type IDs to use as fallbacks when the primary node type is unavailable.
The AWS Context ID for EC2 Fleet. When set (non-empty), the value is passed to AWS CreateFleet API to create the EC2 Fleet.
Configuration for flexible node types, allowing fallback to alternate node types during cluster launch and upscale.