On Dec 21, 2005, at 12:10 PM, Randal L. Schwartz wrote:

"Fred" == Fred Moyer <[EMAIL PROTECTED]> writes:

Fred> Can you explain a bit more why using keep-alives to the backend is not Fred> a good thing? I've always been under the impression from conference Fred> lectures and literature that turning keep-alives on for the app server Fred> is something you should do to reduce the overhead of creating new tcp
Fred> connections to the proxy server.

Imagine wanting to have 50 fronts and 10 backs. If you use keep alives,
that'll end up being 50 fronts and 50 backs.

Some proxies/load balancers can keep 50 frontend connections open over 10 backend connections, all with keep-alives by using one backend connection for multiple frontend connections.

(perlbal is one of them)


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