AWS dms documentation change
Summary
Updated ValidationMode documentation with GROUP_LEVEL performance improvements
Security assessment
Describes performance optimization for validation feature without security implications
Diff
diff --git a/dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TaskSettings.DataValidation.md b/dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TaskSettings.DataValidation.md index 6ae191ed4..17a9359fe 100644 --- a//dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TaskSettings.DataValidation.md +++ b//dms/latest/userguide/CHAP_Tasks.CustomizingTasks.TaskSettings.DataValidation.md @@ -13 +13,5 @@ The data validation settings and their values include the following: - * `ValidationMode` – Controls how DMS will validate the data in target table against source table. AWS DMS provides this setting for future extensibility. Currently, the default and only valid value is `ROW_LEVEL`. AWS DMS validates all rows between the source and target tables. + * `ValidationMode` – controls how AWS DMS validates data in the target table against the source table. Starting with replication engine version 3.5.4, DMS automatically sets this to `GROUP_LEVEL` for supported migration paths, delivering enhanced validation performance and significantly faster processing for large datasets. This enhancement applies to migrations for the migration paths listed in [AWS DMS data resync](https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Validating.DataResync.html#CHAP_DataResync.limitations). For all other migration paths, the validation mode defaults to `ROW_LEVEL`. + +###### Note + +Irrespective of the setting, AWS DMS validates all rows configured via table validation.