-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 18.02.15 20:32, Amos Jeffries пишет: > On 19/02/2015 2:22 a.m., Karl-Philipp Richter wrote: >> Hi, I'm quite new to advanced squid configuration and want to >> enhance my HTTP cache expensive-bandwidth-cheap-storage setup >> where I'm mostly interested in storing large downloads with a >> refresh_pattern, e.g. >> >> refresh_pattern -i >> \.(deb|rpm|exe|zip|tar|tgz|tar\.gz|txz|tar\.xz|ram|rar|bin|ppt|doc|tiff)$ >> 100800 99% 432000 override-expire override-lastmod >> ignore-no-cache ignore-no-store >> >> and after some reading around `refresh_pattern` and some search >> engine research I was wondering how to cache everything that >> provides an Etag because I thinks that'd be very useful for my >> scenario (very low starge cost and very high bandwidth costs). >> >> Any help or pointers are appreciated. > > Pointer #1 - ETag does mean cacheable. It is just a unique ID for > the object. > > In an ideal HTTP world everything has an ETag to identify it, > cacheable or not. > > And BTW just by using Squid everything gets stored. Whether its > still usable next time the same URL is requested is another matter > entirely. This is why Squid disk behaviour is mostly-write (2-5 > objects written to disk for every 1 read back out). Absolutely right, Amos. Here is IO stats from my Squid: http://i.imgur.com/g6P8u8b.png Writes over reads. > > > Pointer #2 - if your squid accepts the "ignore-no-cache" option > then its too old. > > Upgrade to a squid-3.2+ which do HTTP/1.1 caching of > no-cache/private/auth objects then work on it in the context of > the newer versions extra capabilities. And, this works like charm - hit ratio not decreasing. ;) > > > Amos > > _______________________________________________ squid-users mailing > list squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users > -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBAgAGBQJU5KWxAAoJENNXIZxhPexG8IEH/3l4l8nvL1mmXBlN9CVOJYJC 53+LY7jO6WYsJWBooZc4vb73bTOGK27/e8YOOcN5PX9j1f8/bc2fq2jVGysWxTiM CeDcKkdnyjorQF67gcwdGwBfxEeIf+KSMgqehCsaitBjXSx5NQKx1TcHrj7Ywn8m UxW2NN8GUehwdybGeN/5GpvovFIgfPVpMoJGHqYpiwZ1b6ca6vgtECe8RiTmB3hf ZSY0NfQ1vMzC6+sYiYShCmvxY2XA7LcIetBssD4O5epRveRjpG+E3LLE3VCEjlJh ZCLKuLjrqGGyUnV/14S45if3y1Udz0XOPHJMFTcZ/Ozg1FlIfNCJNZSNL7L8iT4= =yC9q -----END PGP SIGNATURE----- _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
