Code review comment for lp:~allenap/maas/avoid-long-held-config-locks

> lgtm! The big question, however, is why would the SQLite-based
> configuration would have avoided this problem, when the problem that
> we were actually seeing was related to the MAAS import process? (at
> least that was in the Lab)

It would have prevented the problem of exclusive locking; everyone could
have shared the configuration safely.