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<H1>[99s-extend] Distributed model?</H1>
<B>Jeremy Ong</B>
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TITLE="[99s-extend] Distributed model?">jeremy at quarkgames.com
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<I>Thu Apr 11 08:29:16 CEST 2013</I>
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<PRE>Make all the machines identically and add an haproxy (or equivalent)
machine to load balance between all of them. Haproxy can handle many
many requests. Keep in mind that with tcp, the load balancer is just
accepting the socket but then the client communicates with the actual
application server directly afterwards.
On Wed, Apr 10, 2013 at 10:51 PM, Lee Sylvester <<A HREF="https://lists.ninenines.eu/listinfo/extend">lee.sylvester at gmail.com</A>> wrote:
><i> Hi guys,
</I>><i>
</I>><i> So, I have my Cowboy / Bullet server working nicely, now, with much thanks to members on this list. I'm now looking at the best means of clustering this app. I want to set this up so that, should the connection count get very high (which it will), then I should only have to throw more machines at this problem and it'll all go away.
</I>><i>
</I>><i> I've got most of the logic working for this, but what I'm worried about is sending a lot of content over the erlang inter-node connection. I've heard hogging this line can be both a bottleneck and can potentially interrupt the heartbeat between nodes. With this in mind, should I look at adding a ZMQ layer or some such to facilitate this? What is the general solution to high traffic between nodes?
</I>><i>
</I>><i> Thanks,
</I>><i> Lee
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