[erlang-questions] Curiosity about MochiWeb (no questions this time)

Pablo Platt <>
Fri Nov 5 10:17:12 CET 2010

I'm using Mochiweb for long-polling.
Each request can take 60 seconds.
I didn't change the default settings so how come I didn't have issues with the 2 
seconds limit?
Does it means that I won't be able to have more than 16 concurrent long-polling 

From: AJ Heller <>
To: Alessandro Sivieri <>
Cc: Erlang Questions <>
Sent: Thu, November 4, 2010 11:17:05 PM
Subject: Re: [erlang-questions] Curiosity about MochiWeb (no questions this 

Mochiweb spawns a pool of short-lived processes (from the
`mochiweb_acceptor` module), and re-spawns new acceptor processes when
each finishes/times-out. The default settings are: 16 processes are
alive at a time, and they timeout after 2 seconds.

I did some analysis of the Mochiweb code a while back. There's a
diagram at the bottom of the page that lays out the program flow.


On Thu, Nov 4, 2010 at 11:17 AM, Alessandro Sivieri
<> wrote:
> Hi all,
> I was looking to an appmon instance launched from a node with MochiWeb
> active, and I saw a few processes linked to the _web process, so I was
> wondering if MochiWeb generates something like a pool of processes for
> client requests, which may explain why there were all those processes...
> --
> Sivieri Alessandro
> http://www.chimera-bellerofonte.eu/
> http://www.poul.org/

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