OnDemandOptionsRequest
Describes the configuration of On-Demand Instances in an EC2 Fleet.
Contents
- AllocationStrategy
-
The strategy that determines the order of the launch template overrides to use in fulfilling On-Demand capacity.
lowest-price
- EC2 Fleet uses price to determine the order, launching the lowest price first.prioritized
- EC2 Fleet uses the priority that you assigned to each launch template override, launching the highest priority first.Default:
lowest-price
Type: String
Valid Values:
lowest-price | prioritized
Required: No
- CapacityReservationOptions
-
The strategy for using unused Capacity Reservations for fulfilling On-Demand capacity.
Supported only for fleets of type
instant
.Type: CapacityReservationOptionsRequest object
Required: No
- MaxTotalPrice
-
The maximum amount per hour for On-Demand Instances that you're willing to pay.
Note
If your fleet includes T instances that are configured as
unlimited
, and if their average CPU usage exceeds the baseline utilization, you will incur a charge for surplus credits. TheMaxTotalPrice
does not account for surplus credits, and, if you use surplus credits, your final cost might be higher than what you specified forMaxTotalPrice
. For more information, see Surplus credits can incur charges in the EC2 User Guide.Type: String
Required: No
- MinTargetCapacity
-
The minimum target capacity for On-Demand Instances in the fleet. If the minimum target capacity is not reached, the fleet launches no instances.
Supported only for fleets of type
instant
.At least one of the following must be specified:
SingleAvailabilityZone
|SingleInstanceType
Type: Integer
Required: No
- SingleAvailabilityZone
-
Indicates that the fleet launches all On-Demand Instances into a single Availability Zone.
Supported only for fleets of type
instant
.Type: Boolean
Required: No
- SingleInstanceType
-
Indicates that the fleet uses a single instance type to launch all On-Demand Instances in the fleet.
Supported only for fleets of type
instant
.Type: Boolean
Required: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: