another mod_perl tip: lingerd
I remember a few years back reading about using a dedicated caching proxy
server to pull the image serving load out of your main web server. The
benefits of devices like the one built by Cacheflow included dealing with
slow dial-up connections that could otherwise hold many app-server processes
in memory before timing out. Lingerd and
mod_proxy seem like pretty straightforward ways to get the same
functionality, but with a huge benefit being that they're free and open
source.
A client of mine, liking this idea, purchased 3 cacheflow devices for $50K
each. The spent a few months of time and professional services $$$ but
couldn't get them to work, so they all went back. Good thing Cacheflow moved on to security. :-)
7:58:28 AM 
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