my suggestion would be this:
use a lightweight proxy on port 80. i like nginx.
have the proxy handle as much stat tracking as possible -- write
to a logfile something like "%{cookieID}\t%{request_arg}\t%
{trackedData}"
then just batch that overnight.
if you do that for static pages, you can kill a GIANT amount of
traffic directed at mod_perl, and still have your tracking
personally, i've pretty much given up on caching non-binary content.
nearly every page i serve now is dynamic : everything needs a login
box , or a 'hello' box. i heavily cache objects to generate pages
with, but i've seen a rapid decrease in cache-able items .
// Jonathan Vanasco
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