[erlang-questions] High payload messages between nodes

Max Lapshin <>
Tue Oct 23 08:26:39 CEST 2012

It was just duscussed in russian mailing list: send control messages over
native erlang and payload via socket

On Tuesday, October 23, 2012, Roberto Ostinelli wrote:

> Dear list,
> I'm building a 2-tier architecture where:
>    - the 1st tier is dedicated to keeping open socket connections to the
>    outside clients, and then sends anything it receives from TCP to the 2nd
>    tier
>    - the 2nd tier receives all TCP data from the 1st tier and does the
>    real job
> The reason why I'm doing this is because in case of crashes in the main
> application (2nd tier), then the outside connections will still be alive,
> hence avoiding the horrible peak of clients trying to reconnect all at once.
> My main issue is that, afaik, sending big messages between nodes is
> actually a performance killer. If we set up this 2-tier architecture, then
> every stanza that gets received from the 1st tier will have to be resent
> internally to another node.
> So, while the 1st tier gets this from individual sockets, the message
> passing between nodes gets done on a single TCP connection between nodes.
> I'm just afraid this is actually bad design and can lead to problems.
> Therefore: are there alternatives to this? A custom Erlang transport? A
> pool of sockets?
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