Redis and Memcache or just Redis?

Question

I\'m using memcached for some caching in my Rails 3 app through the simple Rails.cache interface and now I\'d like to do some background job processing with red

Answer 1

I would consider checking out my answer on this subject:

Rails and caching, is it easy to switch between memcache and redis?

Essentially, through my experience, I would advocate for keeping them separate: memcached for caching and redis for data structures and more persistant storage