# ModelShardingConfig
<a name="API_ModelShardingConfig"></a>

Settings for the model sharding technique that's applied by a model optimization job.

## Contents
<a name="API_ModelShardingConfig_Contents"></a>

 ** Image **   <a name="sagemaker-Type-ModelShardingConfig-Image"></a>
The URI of an LMI DLC in Amazon ECR. SageMaker uses this image to run the optimization.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 255.  
Pattern: `[\S]+`   
Required: No

 ** OverrideEnvironment **   <a name="sagemaker-Type-ModelShardingConfig-OverrideEnvironment"></a>
Environment variables that override the default ones in the model container.  
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 25 items.  
Key Length Constraints: Minimum length of 0. Maximum length of 256.  
Key Pattern: `(?!\s*$).+`   
Value Length Constraints: Minimum length of 0. Maximum length of 256.  
Required: No

## See Also
<a name="API_ModelShardingConfig_SeeAlso"></a>

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/sagemaker-2017-07-24/ModelShardingConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/ModelShardingConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/ModelShardingConfig)