ifit/node-boilerplate — comment on commit 99eecab15ea48a7eb6676272e0f43de715d9b049
File:  line 0
By regality:

Redis is connected to once for each instance of RedisClient. A redis connection is stateful, so we have to do it this way; otherwise if someone subscribed to a channel, then no one would be able to call get, set or almost anything else.