On 12 November 2010 08:09, Robert Collins <[email protected]> wrote: > On Fri, Nov 12, 2010 at 9:50 AM, Michael Hudson > <[email protected]> wrote: >> On Thu, 11 Nov 2010 15:44:50 +1300, Robert Collins >> <[email protected]> wrote: >>> On Thu, Nov 11, 2010 at 3:27 PM, Michael Hudson >>> <[email protected]> wrote: >>> > A problem with etag is that squid doesn't pay any attention to it. Â But >>> > it will help browsers, I'm sure :-) >>> >>> ?! >> >> Well, I'm probably simplifying grossly. What I wanted to happen was >> that if you have a squid in front of loggerhead that if a request comes >> in from the internet for a page (with no If-None-Match header) and squid >> has the page cached, that squid would check the validity of the cache by >> making a request to loggerhead with an If-None-Match and if that >> returned 304, squid should return the page from its cache. I couldn't >> get this to happen. My understanding was that mod_disk_cache would do >> this. >> >> It was quite a while ago, I've forgotten details and was quite probably >> mistaken even at the time... > > 2001-05-30 If-None-Match etag queries > On cache misses for varying object If-None-Match is now used to query > the origin server which (if any) of the caced entities matches the > request. > 2001-05-30 If-None-Match cache validation > If-None-Match is now used on cache validations, using the entity tag > of the exact object being validated. This ensures that even sub-second > updates are detected properly, and cache validation is now less time > sensitive. > > its done it for a long time :) > > -Rob
(Please keep Max cc'd, I'm not sure if he's on the lp-dev list.) There is a bug <http://pad.lv/248901> about this, with some history including mwh's research, and previous problems in getting squid to do what was wanted. -- Martin _______________________________________________ Mailing list: https://launchpad.net/~launchpad-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~launchpad-dev More help : https://help.launchpad.net/ListHelp
