Deduplication BTRFS. Any stable and robust tool?

Hello!

As the title says, does anyone use a good tool for de-duplication on BTRFS?

I need one which is stable and robust and is proven to work well.

Any suggestions?

Glad to hear from your experience.

Thanks.

only this in dev
https://btrfs.wiki.kernel.org/index.php/User_notes_on_dedupe