Varnish

[Matt Domsch]

On Thu, Jul 22, 2010 at 10:36:20AM -0500, Mike McGrath wrote:
> So we've finally hit that tipping point in mod_cache where it's not quite
> behaving correctly.  So I've been looking at alternatives.  For those not
> familiar with the current setup (in order of processes) it goes:
> 
> httpd(proxy) -> haproxy(proxy) -> httpd(app)
> 
> The first two apps are both on the proxy servers, haproxy is our balancer
> that sends it to httpd.
> 
> I've been looking at a better proxy solution.  I initially pushed back
> against varnish because it would complicate the environment, and this will
> but since apache isn't cutting it I figured a slow incremental change is
> the best approach.  So what I'm proposing is this:
> 
> httpd(proxy) -> varnish(proxy) -> haproxy(proxy) -> httpd(app)

+1.  I agree with the reasoning and like the simplicity of being able
to move varnish left or right in the above, if/when it's capable of
serving those needs as well.

-- 
Matt Domsch
Technology Strategist
Dell | Office of the CTO