codahale.clj

(import com.codahale.metrics.MetricRegistry)
(import com.codahale.metrics.ConsoleReporter)

(def registry (MetricRegistry.))
(def meter (.meter registry "some_meter"))
(def counter (.counter registry "some_counter"))
(def timer (.timer registry "some_timer"))

(.inc counter)
(.inc counter)
(.inc counter)
; ...

(.mark meter)
(.mark meter)
(.mark meter)
; ...

(.stop (.time timer))
; ...

(def reporter (.build (ConsoleReporter/forRegistry registry)))
(.report reporter)