Disclaimer

Flatpak uses OSTree, like Fedora Atomic Desktops (Silverblue, Kinoite etc) and similar to BTRFS snapshots.

So many files are deduplicated and linked, not actually there

https://gitlab.com/TheEvilSkeleton/flatpak-dedup-checker

50GB without
31GB with deduplication
21,4GB with BTRFS compression
  • magikmw@lemm.ee
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    11 months ago

    One gotcha is installing both as user and root, getting two sets of dependencies. I only found out after a year or so of consciously using flatpak.

    I’m now taking care to make sure I only use flatpak as root. Maybe not the most secure.