# AutoTuneOptions


Auto-Tune settings when updating a domain. For more information, see [Auto-Tune for Amazon OpenSearch Service](https://docs.aws.amazon.com/opensearch-service/latest/developerguide/auto-tune.html).

## Contents


 ** DesiredState **   <a name="opensearchservice-Type-AutoTuneOptions-DesiredState"></a>
Whether Auto-Tune is enabled or disabled.  
Type: String  
Valid Values: `ENABLED | DISABLED`   
Required: No

 ** MaintenanceSchedules **   <a name="opensearchservice-Type-AutoTuneOptions-MaintenanceSchedules"></a>
DEPRECATED. Use [off-peak window](https://docs.aws.amazon.com/opensearch-service/latest/developerguide/off-peak.html) instead.  
A list of maintenance schedules during which Auto-Tune can deploy changes.  
Type: Array of [AutoTuneMaintenanceSchedule](API_AutoTuneMaintenanceSchedule.md) objects  
Array Members: Maximum number of 100 items.  
Required: No

 ** RollbackOnDisable **   <a name="opensearchservice-Type-AutoTuneOptions-RollbackOnDisable"></a>
When disabling Auto-Tune, specify `NO_ROLLBACK` to retain all prior Auto-Tune settings or `DEFAULT_ROLLBACK` to revert to the OpenSearch Service defaults. If you specify `DEFAULT_ROLLBACK`, you must include a `MaintenanceSchedule` in the request. Otherwise, OpenSearch Service is unable to perform the rollback.  
Type: String  
Valid Values: `NO_ROLLBACK | DEFAULT_ROLLBACK`   
Required: No

 ** UseOffPeakWindow **   <a name="opensearchservice-Type-AutoTuneOptions-UseOffPeakWindow"></a>
Whether to use the domain's [off-peak window](https://docs.aws.amazon.com/opensearch-service/latest/APIReference/API_OffPeakWindow.html) to deploy configuration changes on the domain rather than a maintenance schedule.  
Type: Boolean  
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/opensearch-2021-01-01/AutoTuneOptions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/opensearch-2021-01-01/AutoTuneOptions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/opensearch-2021-01-01/AutoTuneOptions)