On Sat, 2016-11-19 at 01:12 +0500, Garri Djavadyan wrote: > Hello, > > I noticed that Squid logs TCP_MISS/200 when it serves previously > cached > object in return to non-matched conditional request with If-None- > Match. > For example: > > 1. Non-conditional request to the previously cached object. > > $ curl -v -x http://127.0.0.1:3128 ; > http://mirror.comnet.uz/centos/7/os/x86_64/GPL >/dev/null > > < HTTP/1.1 200 OK > < Server: nginx > < Date: Fri, 18 Nov 2016 19:58:38 GMT > < Content-Type: application/octet-stream > < Content-Length: 18009 > < Last-Modified: Wed, 09 Dec 2015 22:35:46 GMT > < ETag: "5668acc2-4659" > < Accept-Ranges: bytes > < Age: 383 > < X-Cache: HIT from gentoo.comnet.uz > < Via: 1.1 gentoo.comnet.uz (squid/5.0.0-BZR) > < Connection: keep-alive > > > 2. Conditional request with non-matching entity to the same object. > > $ curl -v -x http://127.0.0.1:3128 -H 'If-None-Match: "5668acc2- > 4658"' > http://mirror.comnet.uz/centos/7/os/x86_64/GPL >/dev/null > > < HTTP/1.1 200 OK > < Server: nginx > < Date: Fri, 18 Nov 2016 19:58:38 GMT > < Content-Type: application/octet-stream > < Content-Length: 18009 > < Last-Modified: Wed, 09 Dec 2015 22:35:46 GMT > < ETag: "5668acc2-4659" > < Accept-Ranges: bytes > < X-Cache: MISS from gentoo.comnet.uz > < Via: 1.1 gentoo.comnet.uz (squid/5.0.0-BZR) > < Connection: keep-alive > > > I found that the behavior is related to the following code > (client_side_reply.cc): > > if (!e->hasIfNoneMatchEtag(r)) { > // RFC 2616: ignore IMS if If-None-Match did not match > r.flags.ims = false; > r.ims = -1; > r.imslen = 0; > r.header.delById(Http::HdrType::IF_MODIFIED_SINCE); > ---> http->logType = LOG_TCP_MISS; > sendMoreData(result); > return true; > } > > > So, it seems like intended behavior, but I can't understand the > reasons. > Or maybe it is a bug? > > Thanks. > > Garri Any comments will be much appreciated. Thanks. Garri _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
