Yes, ZFS is aggressively syncing the file system. Do you have a cache or intent long on SSD?
> https://github.com/openzfs/zfs/issues/11140 > > Briefly: Flatpak uses fsync extensively. For reasons nobody is entirely > sure about, this causes ZFS to thrash *hard* which I discovered earlier > this week as I finally got around to switching my Calibre install from > Debian's packages (which are woefully out of date). A flatpak > installation that would take at most about 30 seconds on Btrfs or ext4 > takes an hour on ZFS. > > For me at least, the workaround is to bracket flatpak install/upgrade > commands with disabling and enabling dataset sync: > > sudo zfs set sync=disabled zfsroot/zfs/home > flatpak upgrade > sudo zfs set sync=standard zfsroot/zfs/home > > -- > \m/ (--) \m/ > _______________________________________________ > Discuss mailing list > Discuss@lists.blu.org > https://lists.blu.org/mailman/listinfo/discuss > _______________________________________________ Discuss mailing list Discuss@lists.blu.org https://lists.blu.org/mailman/listinfo/discuss
