As a small addendum, I strongly recommend dalli (https://github.com/mperham/dalli https://github.com/mperham/dalli) over the default memcached library. It is wr

As a small addendum, I strongly recommend dalli (https://github.com/mperham/dalli https://github.com/mperham/dalli) over the default memcached library. It is written by the former maintainer of the memcached gem, is smaller in size, up to 20% faster, and most importantly to me, is actively maintained. Most of that info is in the readme, btw.