On Friday 29 August 2008 21:44:48 Henrik Nordstrom wrote: > On fre, 2008-08-29 at 14:08 +0100, Simon Waters wrote: > > I don't care if Squid does a refresh query for an 8MB object, indeed I'm > > happy for it to check freshness every time such an object is fetched if > > needed to comply with HTTP RFCs, I was just concerned that Squid is > > fetching the whole 8MB file many times a day. > > Do the object have a useable cache validator (Last-Modifie / ETag) and > does the web server respond properly on cache validation requests > (If-Modified-Since / If-None-Match)? Yes (including ETags, although I believe it is the default Apache behaviour for these), and yes. It does sometimes do refresh queries instead of fetches, just not as often as I'd hope.