David Burry wrote:
If your proxy machines were being load balanced by an Alteon switch (or whatever) you could probably tell the switch to stop sending new connections to the proxy in question, while allowing the old connections to finish. Of course this is based on whether the Alteon (or whatever) config will let you do this of course.um, but if you're talking about shutting down the proxy itself (i.e. the whole service, cutting off all load balanced machines behind it) that's hardly graceful to begin with.... so why bother to make it graceful...
On the proxy side, maybe some generic function in Apache that is not proxy specific could signal Apache to go into a "disabled" state, where new connections get "connection refused", while old connections run their course. The load balancer I assume would detect this state and pass any new requests on to other machines. You could use ./apachectl disable and ./apachectl enable to achieve this.
Regards,
Graham
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