We (the Visual Content team at trivago) recently came across a requirement to back up our data in Amazon S3. After some reading and experiments, we decided to use S3 Versioning and wrote a script which does the file recovery much faster. Here is our approach.https://tech.trivago.com/2018/09/03/efficient-image-recovery-at-scale-using-amazon-s3-versioning/
Feel free to give your comments and ideas.
Cheers!