    def initialize(nodes = 3)
      @nodes = nodes.times.map { Node.new(self) }
      @manager = ConnectionManager.new(@nodes)
      @mongo = TCPSocket.new "127.0.0.1", 27017
    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.