ModifySpotFleetRequestRequest Class

Container for the parameters to the ModifySpotFleetRequest operation. Modifies the specified Spot Fleet request.

You can only modify a Spot Fleet request of type maintain.

While the Spot Fleet request is being modified, it is in the modifying state.

To scale up your Spot Fleet, increase its target capacity. The Spot Fleet launches the additional Spot Instances according to the allocation strategy for the Spot Fleet request. If the allocation strategy is lowestPrice, the Spot Fleet launches instances using the Spot Instance pool with the lowest price. If the allocation strategy is diversified, the Spot Fleet distributes the instances across the Spot Instance pools. If the allocation strategy is capacityOptimized, Spot Fleet launches instances from Spot Instance pools with optimal capacity for the number of instances that are launching.

To scale down your Spot Fleet, decrease its target capacity. First, the Spot Fleet cancels any open requests that exceed the new target capacity. You can request that the Spot Fleet terminate Spot Instances until the size of the fleet no longer exceeds the new target capacity. If the allocation strategy is lowestPrice, the Spot Fleet terminates the instances with the highest price per unit. If the allocation strategy is capacityOptimized, the Spot Fleet terminates the instances in the Spot Instance pools that have the least available Spot Instance capacity. If the allocation strategy is diversified, the Spot Fleet terminates instances across the Spot Instance pools. Alternatively, you can request that the Spot Fleet keep the fleet at its current size, but not replace any Spot Instances that are interrupted or that you terminate manually.

If you are finished with your Spot Fleet for now, but will use it again later, you can set the target capacity to 0.

Inheritance Hierarchy

System.Object
  Amazon.Runtime.AmazonWebServiceRequest
    Amazon.EC2.AmazonEC2Request
      Amazon.EC2.Model.ModifySpotFleetRequestRequest

Namespace: Amazon.EC2.Model
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z

Syntax

public class ModifySpotFleetRequestRequest : AmazonEC2Request
         IAmazonWebServiceRequest

The ModifySpotFleetRequestRequest type exposes the following members

Constructors

	Name	Description
	ModifySpotFleetRequestRequest()

Properties

Name	Type	Description
Context	System.String	Gets and sets the property Context. Reserved.
ExcessCapacityTerminationPolicy	Amazon.EC2.ExcessCapacityTerminationPolicy	Gets and sets the property ExcessCapacityTerminationPolicy. Indicates whether running instances should be terminated if the target capacity of the Spot Fleet request is decreased below the current size of the Spot Fleet. Supported only for fleets of type `maintain`.
LaunchTemplateConfigs	System.Collections.Generic.List<Amazon.EC2.Model.LaunchTemplateConfig>	Gets and sets the property LaunchTemplateConfigs. The launch template and overrides. You can only use this parameter if you specified a launch template (`LaunchTemplateConfigs`) in your Spot Fleet request. If you specified `LaunchSpecifications` in your Spot Fleet request, then omit this parameter.
OnDemandTargetCapacity	System.Int32	Gets and sets the property OnDemandTargetCapacity. The number of On-Demand Instances in the fleet.
SpotFleetRequestId	System.String	Gets and sets the property SpotFleetRequestId. The ID of the Spot Fleet request.
TargetCapacity	System.Int32	Gets and sets the property TargetCapacity. The size of the fleet.

Examples

This example increases the target capacity of the specified Spot fleet request.

To increase the target capacity of a Spot fleet request


var client = new AmazonEC2Client();
var response = client.ModifySpotFleetRequest(new ModifySpotFleetRequestRequest 
{
    SpotFleetRequestId = "sfr-73fbd2ce-aa30-494c-8788-1cee4EXAMPLE",
    TargetCapacity = 20
});

bool return = response.Return;

This example decreases the target capacity of the specified Spot fleet request without terminating any Spot Instances as a result.

To decrease the target capacity of a Spot fleet request


var client = new AmazonEC2Client();
var response = client.ModifySpotFleetRequest(new ModifySpotFleetRequestRequest 
{
    ExcessCapacityTerminationPolicy = "NoTermination ",
    SpotFleetRequestId = "sfr-73fbd2ce-aa30-494c-8788-1cee4EXAMPLE",
    TargetCapacity = 10
});

bool return = response.Return;

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

.NET Framework:
Supported in: 4.5, 4.0, 3.5