    def merge(server)
      previous = servers.find { |other| other == server }
      primary = server.primary?
      secondary = server.secondary?

      if previous
        previous.merge(server)
      else
        servers << server
      end
    end
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.