[AusNOG] Web Application Load Balancer recommendations

[Adrian Chadd]

Just be wary of piping every single request through some php lookup script
which talks to mysql. That's asking for scaling issues without a -lot-
of thought.


Adrian

On Sat, May 22, 2010, andrew khoo wrote:
> On Sat, 22 May 2010, Darren Moss wrote:
> 
> > Thanks Gents for your replies.
> >
> > We currently use a customised Apache on Redhat as the preferred software
> > method for load balancing.
> >
> > The additional logic I was talking about is basically php code with a
> > MySQL DB that can redirect requests based on visitor IP. It's not
> > critical to have that logic integrated as we can farm it off to another
> > appliance or the application servers.
> 
> to concur with the other replies to date, squid would appear to be the 
> best solution for you.
> 
> add to that "smart" DNS logic (based on request IP, it is not that 
> difficult to let squid hand off requests for most objects (particularly 
> static) to be served by the closest server (IP-wise, not geographic) by 
> your servers.
> 
> a quick google search has come up with four examples relating to this 
> directly. i'm sure you'll be able to find one to fit your infrastructure.
> 
> ---
> andrew at aussie.net
> twitter/aim/fb: bigbearoz
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