protected void init() {
        Monitors.registerObject("LoadBalancer_" + name, this);
        // register the rule as it contains metric for available servers count
        Monitors.registerObject("Rule_" + name, this.getRule());
        if (enablePrimingConnections && primeConnections != null) {
            primeConnections.primeConnections(getReachableServers());
        }
    }
Register with monitors and start priming connections if it is set.
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/BaseLoadBalancer.java