anchor.diff:      ChangesArgs = Args0#changes_args{
           filter_fun = couch_changes:configure_filter(Raw, Style, Req, Db)
       },
  +    % Default to ~filling the payload of a standard Ethernet frame
  +    Max = config:get_integer("httpd", "chunked_response_buffer", 1490),
       case ChangesArgs#changes_args.feed of
       "normal" ->
           T0 = os:timestamp(),
  
positive.code:         DeltaT = timer:now_diff(os:timestamp(), T0) / 1000,
          couch_stats:update_histogram([couchdb, dbinfo], DeltaT),
          chttpd:etag_respond(Req, Etag, fun() ->
              Acc0 = #cacc{feed = normal, etag = Etag, mochi = Req},
              fabric:changes(Db, fun changes_callback/2, Acc0, ChangesArgs)
          end);
      Feed when Feed =:= "continuous"; Feed =:= "longpoll"; Feed =:= "eventsource"  ->
          couch_stats:increment_counter([couchdb, httpd, clients_requesting_changes]),
          Acc0 = #cacc{feed = list_to_atom(Feed), mochi = Req},
          try
              fabric:changes(Db, fun changes_callback/2, Acc0, ChangesArgs)
          after
  
negative.code:     feed,
      mochi,
      prepend = "",
      responding = false,
      buffer = [],
      bufsize = 0,
      threshold
  }).
  
  -define(IS_ALL_DOCS(T), (
  