> etcdctl --endpoints="http://pg-knoten-01:2379,http://pg-knoten-02:2379,http://pg-knoten-03:2379" endpoint health
http://pg-knoten-01:2379 is healthy: successfully committed proposal: took = 3.710884ms
http://pg-knoten-02:2379 is healthy: successfully committed proposal: took = 5.53501ms
http://pg-knoten-03:2379 is healthy: successfully committed proposal: took = 7.426682ms