@Path("/test/addUsers/{number}")
public String addUser( @PathParam("number") int number) {
List<User> users = new ArrayList<User>();
for(int i = 1 ; i <= number ; i ++){
users.add(new User("name-" + i, new byte[100]));
}
Long start = System.currentTimeMillis();
String content = userDao.addUsers(users);