I am trying to learn session management in Dancer. I have consulted Dancer::Session documentation for the same. The document recommends to use memcached server for production and YAML or Simple for development. My question is specifically related to memcached server. Do I need to setup the memcached server on the system before using Dancer::Session::Memcached? Also, what does this "/var/sock/memcached" mean in the Dancer::Session::Memcached documentation (I believe it is the default location of memcached server after installation on local system)? 

I am sorry if my question is to silly. But I am trying to understand the right procedure.