Hi Guy, If you only want HAProxy to queue connections and not send that immediate "ok" any longer, check out how these folks are doing it to queue to MySQL. http://flavio.tordini.org/a-more-stable-mysql-with-haproxy/comment-page-1
On Mon, Mar 14, 2011 at 5:15 PM, g...@desgames.com <g...@desgames.com> wrote: > Actually, I should clarify something. We don't really actually want the > 'black hole' situation I described - instead, what we want is for haproxy to > accept and queue the messages that come in from the requesting server, but > to still deliver them when a backend server becomes available. In this way, > the requesting process can continue executing and not having to wait for a > response. Obviously, we intend to do this only for async type calls. > > > On Mon, Mar 14, 2011 at 4:52 PM, g...@desgames.com <g...@desgames.com>wrote: > >> Hi, >> >> We have a tcp service we'd like to proxy requests to, and we were >> investigating haproxy as a possible solution for our requirements. So far, >> it doesn't seem like haproxy is suitable but I thought I'd run it by the >> community to confirm what I understand to be the case. >> >> What we want is a proxy that will accept tcp connections on a specific >> port and always send a tcp 'ok' response to the requesting process whether >> or not there is a backend server available. If a backend server (we only >> plan on having one at the moment) is available then we want the request >> passed transparently through to the backend server. If the backend server is >> *not* available, then we want haproxy to operate as a kind of 'black hole', >> and just accept whatever is sent to it, dumping it to the equivalent of >> /dev/null. Basically, acting as an equivalent of the backend server. >> >> Is the above possible with haproxy? Based on what I've read in the >> configuration documentation, the answer is no. However, there are a *lot* of >> options in there so I thought perhaps there's some obscure setting which >> would allow this to work. >> >> Alternatively, does anyone know of a utility that could do what we want? >> >> Thanks, >> Guy >> > > > > -- > Guy Knights > Systems Administrator > DES Games > www.desgames.com > g...@desgames.com >
