<dubbo:service interface="com.example.UserService" loadbalance="random"> <dubbo:method name="getUser" loadbalance="leastactive"/> </dubbo:service> @Service(interfaceClass = UserService.class, loadbalance = "random") public class UserServiceImpl implements UserService { //... } @Reference(interfaceClass = UserService.class, loadbalance = "roundrobin") private UserService userService;