Hacker News with Generative AI: File Synchronization

AWS S3 sync does not sync all the files (github.com/aws)
We have several hundred thousand files and S3 reliably syncs files. However, we have noticed that there were several files which were changed about a year ago and those are different but do not sync or update.
Syncthing – A decentralized continuous file synchronization program (syncthing.net)