anchor.diff:        io:format("host~n"),
         Source ! {Port, node()},
         port_loop(Port,Timeout,Command);
  -    {Source, heat} -> 
  +    {_Source, heat} -> 
         io:format("heat~n"),
         port_command(Port, term_to_binary(ping)),
         Hot = term_to_binary(pong),
  
positive.code: 			Requester ! {self(), Result},
              instance_manager_loop(RackPid, {busy, []}, WaitThreshold)
      end;
  instance_manager_loop(RackPid, {clogged, [TimerRef | QueuedRequests]}, WaitThreshold) ->
      %% Send all requests queued in RequestList to be handled
      %% by the backup request pool of ruby instances.
      [pg2:get_closest_pid(backup_pool) ! QueuedRequestData || QueuedRequestData <- lists:reverse(QueuedRequests)],
  
negative.code: 	%% Begin instance manager loop
  	instance_manager_loop(RackPid, {idle, []}, WaitThreshold).
  	
  spawn_ruby_instance(Cmd) ->
      spawn(fun() ->
        process_flag(trap_exit, true),
        Port = open_port({spawn, Cmd}, [{packet, 4}, nouse_stdio, exit_status, binary]),
  