[Mongrel] Why Rails + mongrel_cluster + load balancing doesn't work for us and the beginning of a solution

Paul Butcher paul at paulbutcher.com
Wed Sep 20 15:45:30 EDT 2006

Vishnu Gopal <g.vishnu at gmail.com> wrote:
> What happens to the other requests? Are they queued up? And if so, how
> does that solve the problem?

It depends on what you mean by "the other" requests.

The problem with mod_proxy_balancer is that you can get into a situation
where all mongrels are idle but one, but it sends the next request to the
busy mongrel, not one of the idle mongrels.

HighWire will always send each incoming request to an idle mongrel if there
are any. If there aren't any, then yes, it will queue them up. But it will
only do so if there aren't any idle mongrels. That's the difference.


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