Disadvantages to rack-cache vs. Varnish in Heroku cedar stack?...

Invalidating individual keys from rack-cache?...

HTTP cache with Rails + Rack::Cache not invalidating...

What is the point of Varnish and Rack-Cache for a Rails app?...

Rails 3.2 Rack::Cache HTTP Headers and Action Caching...

Poor performance with Rack::Cache...

Rails 3.1 and Http Page Caching...

Could not find rack-cache-1.0.3 in any of the sources...

Ignore googlebot for Rack::Cache?...