[knz_]

Even worse if you're trying to sync a file that might be actively changed while syncing - syncthing will reread the entire file as soon as only a few kilobytes are changed. On a file >10GiB this quickly leads to a death spiral of IO and CPU starvation.

[mekster]

That's why I run a custom backup script every 5 minutes to simply rsync my data over instead of realtime syncing.