Hi all,
Quick pointer would be most welcomed:
I have mod_proxy_http in use to front-end a tomcat server.
Sadly the tomcat programmers omitted to set cache control headers (eg
Expires) and the tomcat servers are being overloaded, despite the
content being totally invariant. I don't "do" JSP so messing about at
that end is out for me.
So I'd like to shove a cache in front - and an agressive one at that,
that handled GET requests too.
I normally use mod_cache_disk for this with good effect but the lack of
Expires (etc) headers are falling foul.
I have considered an output filter to force the headers in as
mod_headers does not seem to play nice with mod_proxy.
Is it at all likely that I could get mod_ext_filter (IIRC), mod_cache
and mod_proxy to play nice?
Next option is to hack mod_proxy (there was a 1.3 patch that allowed
manipulating output headers) - would that play nice with mod_cache?
I do have Squid as a fallback - or I suppose a separate Apache instance
- but it's getting a bit hairy and overweight. A light solution would be
good - I have a 100+ servers I could usefully apply this too :)
Any suggestions would be cool - I'm happy to graft, but as long as I
start in the right direction :)
Many thanks,
Tim
--
Tim Watts
Personal Blog: http://www.dionic.net/tim/
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