instanceCount
The number of instances for which to reserve capacity.
You can request future-dated Capacity Reservations for an instance count with a minimum of 100 vCPUs. For example, if you request a future-dated Capacity Reservation for m5.xlarge
instances, you must request at least 25 instances (25 * m5.xlarge = 100 vCPUs).
Valid range: 1 - 1000