capacityRebalance

Enables or disables Capacity Rebalancing. If Capacity Rebalancing is disabled, proactive replacement of at-risk Spot Instances does not occur. For more information, see Capacity Rebalancing in Auto Scaling to replace at-risk Spot Instances in the Amazon EC2 Auto Scaling User Guide.

To suspend rebalancing across Availability Zones, use the SuspendProcesses API.