Caching details of objects in varnish...

[Jeff Anderson]

Is there a way in VCL to cache just the base html of a page without
its parameters?  For example:
/advertproviderformat.html?provider=2342342&foo=3434&bar=34213142

Is the entire url cached or just the advertprovider.html portion?  It seems
the whole url is cached because I observe so many misses for these calls.
 The parameters are nearly always random so caching the entire url is
very inefficient.  I've tried in vcl_fetch:

if obj.url ~ 'advertproviderformat.html {
   set obj.ttl = 24h;
}

But I think it is just caching the entire url which extremely inefficient.
 How can I just instruct varnish to serve the advertproviderformat.html when
it receives one of the full url requests?  How can I handle this in VCL?


Thanks,
--Jeff
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