why nimbus log has this
ClientCnxn [INFO] Session establishment complete on server localhost/ 127.0.0.1:2181, sessionid = 0x15012a5658d0001, negotiated timeout = 20000 2015-09-28 08:32:08 zookeeper [INFO] Zookeeper state update: :connected:none 2015-09-28 08:32:10 ClientCnxn [INFO] EventThread shut down
