On 9/16/2010 4:36 PM, Brian Wheeler wrote:


Why not just set all of them to the same IP address in DNS?


I'm not sure how that would work:  both mysql servers have to be
listening to port 3306 since that's how all of our applications are
configured (and changing them isn't an option at this point) so they
have to have separate IPs.

Well, two IP addresses then. One for all the devel stuff and one for all the production stuff. Then each only has to listen on a single IP address.

And because the university machine room
firewall has a nasty tendency to kill idle connections, we have use a
private network for long running tomcat things to avoid having a bunch
of hung connections so we have to listen to that network as well...

Ah. That is a problem. Can you set TCP KeepAlive?

http://tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/

--
Benjamin Franz

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