gistfile1.txt

➜  jol_test  cat core.clj 
(ns jol-test.core
  (:import (org.jolokia.client.request J4pReadRequest)
           (org.jolokia.client J4pClient)))

(defn fetch-data []
  (let [client (-> (. J4pClient url "http://localhost:8080/Jolokia/")
                   (.connectionTimeout 3000)
                   (.build))
        PeakThreadCount (J4pReadRequest. "java.lang:type=Threading" (into-array String ["PeakThreadCount"]))
        HeapMemoryUsage (J4pReadRequest. "java.lang:type=Memory" (into-array String ["HeapMemoryUsage"]))]

    (doseq [x (into []  (.execute client [HeapMemoryUsage PeakThreadCount]))]
      (println (.getValue x)))))

(defn -main
  [& args]
  (fetch-data))
➜  jol_test  lein run
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF8
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF8
#<JSONObject {"max":3817865216,"committed":257425408,"init":268435456,"used":30902008}>
19
➜  jol_test