Sean Cribbs explains how to use Riak as a caching solution: Bitcask or Memory backendsThe possibility of configuring the cluster for lower guarantees of per-key availabilityThen benchmark the system for your scenario. Original title and link: Using Riak as Cache Layer (©myNoSQL) via: http://lists.basho.com/pipermail/riak-users_lists.basho.com/2012-October/009680.html