The Spot Instance replacement strategy to use when Amazon EC2 emits a signal that your Spot Instance is at an elevated risk of being interrupted. For more information, see Capacity rebalancing in the Amazon Elastic Compute Cloud User Guide.
The replacement strategy to use. Only available for fleets of type
To allow EC2 Fleet to launch a replacement Spot Instance when an instance rebalance notification is emitted for an existing Spot Instance in the fleet, specify
launch. You must specify a value, otherwise you get an error.
When a replacement instance is launched, the instance marked for rebalance is not automatically terminated. You can terminate it, or you can leave it running. You are charged for all instances while they are running.