On Tue, 2014-03-11 at 10:10 -0600, Alex Rousskov wrote: > On 03/11/2014 08:05 AM, Omid Kosari wrote: > > > Is it possible for Squid to automatically find every similar object based on > > something like md5 of objects and serve them to clients without need custom > > DB ? > > No, because clients do not tell Squid what checksum they are looking > for. They only give Squid a URL of the object (essentially). Thus, to > satisfy request for URL A with an already cached response to request B, > Squid needs to map URL A to URL B, and that is what Store ID does. > Response B checksum is irrelevant until you do the URL mapping. > > > > I know it is complicated task but i think the Utopia of a cache should be > > that we just have one instance of an object in all Squid Farm > > (automatically) and serve it as different URLs. > > It is possible to avoid caching duplicate content, but that allows you > to handle cache hits more efficiently. It does not help with cache > misses (when the URL requested by the client has not been seen before). > > If content publishers start publishing content checksums and browsers > automatically add those checksums to requests, then you would have the > Utopia you dream about :-). This will not happen while content > publishers benefit from getting client requests more than they suffer > from serving those requests. > > > Cheers, > > Alex. > maybe the Super Proxy Script is what you are looking for? http://docs.huihoo.com/gnu_linux/squid/html/x1187.html check the very last line. current page: http://www.imp.mx/proxy.pac google cache page: http://webcache.googleusercontent.com/search?q=cache:VwRT23aHFgIJ:www.imp.mx/proxy.pac+&cd=1&hl=en&ct=clnk&gl=us&client=firefox-a i make no claims to the work, nor to its functionality.
