jnicklas/carrierwave — pull request #599 by labocho (2012-01-30 18:23:41+00:00)
Title: Caching fog connections to improve performance

When using fog, new uploader instance generate Fog::Storage instance each time.
Caching Fog::Storage instance gives 60x faster url generating in my case.
Benchmark is here: https://gist.github.com/1705787