Well, what are the complete request/reply headers for each of the requests you're testing with?
Adrian 2008/9/25 BUI18 <[EMAIL PROTECTED]>: > My Squid Version is 2.6/STABLE14 > > Here's my refresh_pattern from squid.conf > > #Suggested default: > refresh_pattern ^ftp: 1440 20% 10080 > refresh_pattern ^gopher: 1440 0% 1440 > > #The following line will ignore a client no-cache header > #refresh_pattern -i \.vid$ 0 90% 2880 ignore-reload > refresh_pattern -i \.vid$ 7200 100% 10080 ignore-reload > > refresh_pattern . 0 20% 4320 > > A link to the file looks something like this --> > http://ftp.mydomain.com/websites/data/myvideofile.vid > > I have to set up a station to grab the header but I can tell you that it does > not seem out of the ordinary. > > There is one cache-control: Pragma: no-cache > > I believe I handle this with the ignore-reload options. > > Our server is an IIS server running on Windows 2003. > > I also ran a test with min and max age of 0 and 1 respectively, and it seems > to work. I receive a TCP_REFRESH_HIT, which is what I would have expected as > these files do not change. > > Please let me know if you have any other ideas on how to track down why it > would release from cache before min age with no Expiration set on the object. > > Open to any suggestions. > Thanks > > > > > ----- Original Message ---- > From: Michael Alger <[EMAIL PROTECTED]> > To: squid-users@squid-cache.org > Sent: Wednesday, September 24, 2008 8:09:50 AM > Subject: Re: [squid-users] Object becomes STALE: refresh_pattern min and max > > On Wed, Sep 24, 2008 at 05:29:52AM -0700, BUI18 wrote: >> I went through your same thinking as you described below. >> >> I checked the Expires header from the server and we do not set >> one. I checked via Fiddler web debug tool. I also verified with >> the dev guys here regarding no Expires header. I have set the min >> and max via refresh_pattern because of the absence of the Expires >> header thinking that Squid would keep it FRESH. >> >> Notice the -1 for expiration header (I do not set one on the >> object). My min age is 5 days so I'm not sure why the object >> would be released from cache in less than 2 days. >> >> If the object was released from cache, when the user tried to >> access file, Squid reports TCP_REFRESH_MISS, which to me means >> that it was found in cache but when it sends a If-Modified-Since >> request, it thinks that the file has been modified (which it was >> not as seen by the lastmod date indicated in the store.log below. > > Interesting that it's caching the file for 2 days. What are the full > headers returned with the object? Any other cache control headers? > > Is there any chance you have a conflicting refresh_pattern, so the > freshness rules being applied aren't the ones you're expecting? May > be worth doing some tests with very small max ages to confirm it's > matching the right rule. > > > > > >
