There is a dev post that says the 0/1 0/1 0/2 thing is just a display issue and that the DF is still working fine when that happens. They also say that despite the longer queue times, the DF is working as intended.

Quote Originally Posted by Zhexos
While queue times have increased, we have seen no indication that the Duty Finder is experiencing any matching issues since the release of Patch 3.1.
Full quote here:
http://forum.square-enix.com/ffxiv/t...89#post3428389