I read the link and have a pretty good understanding about how computers and fil...

Eric_WVGG · on June 13, 2016

This bit from 2012 by John Siracusa outlines everything “wrong” with the old file system, HFS+, and doubles as a sort of guide to what this new file system fixes.

http://arstechnica.com/apple/2011/07/mac-os-x-10-7/12/

cpr · on June 13, 2016

They simply started from scratch with an aim to

* best support modern hardware technologies,

* start from the state of the art in file systems (like ZFS and btrfs, old as they may be), and also

* emphasize security.

astrodust · on June 14, 2016

Sounds a lot like what Apple did with Swift.

josteink · on June 13, 2016

It's apple reinventing the zfs and btrfs wheels. Which are already mature, useable and open source.

Google them and see what they do well, and you might get some ideas.

tracewpearson · on June 13, 2016

Both filesystems have copyleft licenses so that may factor into Apples decision.