( ns slouchdb ) ; Fast scalable in-memory concurrent NoSQL database ( def db ( ref { :bob { :age 59 :sex :male } :bill { :age 17 :sex :male } :mary { :age 28 :sex :female }})) ;; Views ;; ( defn total-age [] ( reduce + ( pmap ( comp :age val ) @ db ))) ; Parallel MapReduce! ;; Examples ;; ( println ( apply str ( interpose

ewline [ "Get an item" ( :bob @ db ) "MapReduce" ( total-age ) "Add/update an item" ( dosync ( alter db assoc-in [ :bill :age ] 25 )) "Delete an item" ( dosync ( alter db dissoc :mary ))]))) ; For scaling, press CMD or CTRL and + or - ; For a persistent version, see java.io.Serializable ; For a REST API, check out Moustache and Aleph.