Load balancing for web servers

[Max Laier]

On Wednesday 30 August 2006 15:26, Phil Regnauld wrote:
> Baldur Gislason (baldur) writes:
> > I'd like to set up a load balancing and resiliance system to
> > load balance between a bunch of web servers running Apache tomcat
> > (slow java stuff). Ideally I'd like each client IP to get mapped to a
> > certain server and keep that mapping throughout the entire session.
> > I'd also like to have some means of detecting a server that goes down
> > and yank it from the load balancing pool. I do understand I may have
> > to write some code on that side.
>
> 	pf and sticky rdr.
>
> 	Use a shell script that pings the hosts on the backend, to
> insert/remove them from a persistent table.

Have a look at: http://www.countersiege.com/doc/pfsync-carp/#big for one 
idea.  All requirements (carp, pf and pfsync) are available in FreeBSD as 
well.

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