InstanceResizePolicy - Amazon EMR
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: January 12, 2026.

InstanceResizePolicy

Custom policy for requesting termination protection or termination of specific instances when shrinking an instance group.

Contents

InstancesToProtect

Specific list of instances to be protected when shrinking an instance group.

Type: Array of strings

Required: No

InstancesToTerminate

Specific list of instances to be terminated when shrinking an instance group.

Type: Array of strings

Required: No

InstanceTerminationTimeout

Decommissioning timeout override for the specific list of instances to be terminated.

Type: Integer

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: