Github user benoitc commented on a diff in the pull request:
https://github.com/apache/couchdb-fabric/pull/1#discussion_r11115574
--- Diff: src/fabric_view_reduce.erl ---
@@ -84,6 +74,30 @@ handle_message({rexi_EXIT, Reason}, Worker, State) ->
{error, Resp}
end;
+%% HACK: this just sends meta once. Instead we should move the counter
logic
+%% from the #view_row handle_message below into this function and and pass
the
+%% meta call through maybe_send_row. This will also be more efficient
doing it
+%% here as it's one less worker round trip reply.
+%% Prior to switching to couch_mrview, the fabric_view_reduce
implementation
+%% did not get a total_and_offset call, whereas now we do. We now use this
+%% message as a clean way to indicate to couch_mrview_http:view_cb that the
+%% reduce response is starting.
+handle_message({meta, Meta}, {_Worker, From}, State) ->
+ gen_server:reply(From, ok),
+ #collector{
+ callback = Callback,
+ user_acc = AccIn
+ } = State,
+
+ {Go, Acc} = case get(meta_sent) of
+ undefined ->
+ put(meta_sent, true),
--- End diff --
what is the usage of this key? Looks like you only erasing it.
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