# ShrinkPolicy


Policy for customizing shrink operations. Allows configuration of decommissioning timeout and targeted instance shrinking.

## Contents


 ** DecommissionTimeout **   <a name="EMR-Type-ShrinkPolicy-DecommissionTimeout"></a>
The desired timeout for decommissioning an instance. Overrides the default YARN decommissioning timeout.  
Type: Integer  
Required: No

 ** InstanceResizePolicy **   <a name="EMR-Type-ShrinkPolicy-InstanceResizePolicy"></a>
Custom policy for requesting termination protection or termination of specific instances when shrinking an instance group.  
Type: [InstanceResizePolicy](API_InstanceResizePolicy.md) object  
Required: No

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/elasticmapreduce-2009-03-31/ShrinkPolicy) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticmapreduce-2009-03-31/ShrinkPolicy) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticmapreduce-2009-03-31/ShrinkPolicy)