The hbase-clj is a simple wrapper around new (0.20.0+) hbase client library. 
Work in progress (just started).

Usage:

(create-table
 (htd :courses :info :student))

(create-table
 (htd :students
      {:family :info, :max-versions 1}
      :course
      {:family :activities, :max-versions +all-versions+}))

(with-htable students, courses
  (hput students
	["01010" [:info :name "John Doe"] [:info :sex :m] [:course "101" :regular]]
	["01011" [:info :name "Jane Roe"] [:info :sex :f] [:course "101" :regular]])
  (hput courses
	["101" [:info :title "Meta Intro"] [:info :into "Introduction to meta introductions etc."]
	       [:student "01010" :regular] [:student "01011" :regular]])
  
  (with-open [rows (hscan students ["01000" "01999"] :info :activities)]
    (let [result (map hnvmap rows)]
      (comment do smth with results available:
	       (-> (first result) :info :name b2s)))))

See tests for more usage examples.