> That's sad, considering btrfs still suffers from internal fragmentation issue, as Edward Shishkin had shown in 2010. True, but there's no shortage of pain po

> That's sad, considering btrfs still suffers from internal fragmentation issue, as Edward Shishkin had shown in 2010. True, but there's no shortage of pain points in ZFS. Mixing 512 byte and 4K drives or growing/shrinking pools are good starting points.