My S3 storage costs are higher than expected with DataSync - AWS DataSync

My S3 storage costs are higher than expected with DataSync

If your Amazon S3 storage costs are higher than you thought they would be following an AWS DataSync transfer, it might be due to one or more of the following reasons:

  • When transferring to or from S3 buckets, you incur costs related to S3 API requests made by DataSync.

  • DataSync uses the Amazon S3 multipart upload feature to upload objects to S3 buckets. This approach can result in unexpected storage charges for uploads that don't complete successfully.

  • Object versioning might be enabled on your S3 bucket. Object versioning results in Amazon S3 storing multiple copies of objects that have the same name.

Actions to take

In these cases, you can take the following steps: