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From Graham Leggett <>
Subject Re: About image processing and cache.
Date Fri, 10 Aug 2001 13:16:34 GMT
Carlos Costa Portela wrote:

> 1st. Build by own web-image server. Just receive requests, examine it,
> processing and return.
> 2nd. Use apache for doing it.

The easiest way to do this is to use a dedicated caching layer to cache
your images. An Apache based reverse proxy can be used to do this quite
effectively (mod_proxy and the ProxyPass directive).

You could also use something like Squid cache to do this, though using
an actual webserver product allows you more flexibility in terms of
virtual host and logfile handling, etc.

You just need to make 100% sure that your image generation engine
generates the Last-Modified and Expires headers correctly, otherwise
caching will not work properly (nothing will be cached).

-----------------------------------------		"There's a moon
					over Bourbon Street
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