cdcPath

Specifies the folder path of CDC files. For an S3 source, this setting is required if a task captures change data; otherwise, it's optional. If CdcPath is set, DMS reads CDC files from this path and replicates the data changes to the target endpoint. For an S3 target if you set PreserveTransactions to true, DMS verifies that you have set this parameter to a folder path on your S3 target where DMS can save the transaction order for the CDC load. DMS creates this CDC folder path in either your S3 target working directory or the S3 target location specified by BucketFolder and BucketName.

For example, if you specify CdcPath as MyChangedData, and you specify BucketName as MyTargetBucket but do not specify BucketFolder, DMS creates the CDC folder path following: MyTargetBucket/MyChangedData.

If you specify the same CdcPath, and you specify BucketName as MyTargetBucket and BucketFolder as MyTargetData, DMS creates the CDC folder path following: MyTargetBucket/MyTargetData/MyChangedData.

For more information on CDC including transaction order on an S3 target, see Capturing data changes (CDC) including transaction order on the S3 target.

This setting is supported in DMS versions 3.4.2 and later.