# InstanceFleetTimeline
<a name="API_InstanceFleetTimeline"></a>

Provides historical timestamps for the instance fleet, including the time of creation, the time it became ready to run jobs, and the time of termination.

**Note**  
The instance fleet configuration is available only in Amazon EMR releases 4.8.0 and later, excluding 5.0.x versions.

## Contents
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 ** CreationDateTime **   <a name="EMR-Type-InstanceFleetTimeline-CreationDateTime"></a>
The time and date the instance fleet was created.  
Type: Timestamp  
Required: No

 ** EndDateTime **   <a name="EMR-Type-InstanceFleetTimeline-EndDateTime"></a>
The time and date the instance fleet terminated.  
Type: Timestamp  
Required: No

 ** ReadyDateTime **   <a name="EMR-Type-InstanceFleetTimeline-ReadyDateTime"></a>
The time and date the instance fleet was ready to run jobs.  
Type: Timestamp  
Required: No

## See Also
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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/InstanceFleetTimeline) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticmapreduce-2009-03-31/InstanceFleetTimeline) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticmapreduce-2009-03-31/InstanceFleetTimeline)