On Thursday 13 November 2014 01:39:27 Amos Jeffries wrote: > On 13/11/2014 12:17 a.m., Hussam Al-Tayeb wrote: > > Hello. I have a problem with 'squidclient -m PURGE' and also the > > purge command. They won't purge urls from disk that are not > > available online anymore or redirect to other links. > > PURGE was designed for use in HTTP/1.0. It does not handle HTTP/1.1 > negotiated content / variants at all well. > > > For example, > > http://static.firedrive.com/dynamic/previews/75/27577be2d6d86af20265734b64 > > e8d563.jpg > which corresponds to /home/squid/00/BB/0000BBC0 > > > Even "purge -e "static.firedrive.com" -c /etc/squid/squid.conf -P > > 0x01" reads it but will not really remove it from disk. Are such > > files stuck on disk forever? > > No. Cache is a temporary storage location. Think of it as a buffer in > the network. > > They will exist only until a) the storage space is needed for > something else, or b) the timestamp in their Expires: header, or c) an > origin server informs Squid they are no longer existing. > > PURGE method was a way to fake (c). > > > What would the correct way to clear them? > > By obeying HTTP protocol. HTTP has built-in mechanisms for doing that > automatically. > > Or you can just delete the disk file. Squid will auto-detect the > removal at some point when it needs to use or delete the object. Until > then it will just under-count the amount of used disk. > > Amos > > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users head /home/squid/00/BB/0000BBC0 -n20 �u��(▒��,�|�S�| �S��f7�P`Uhttp://static.firedrive.com/dynamic/previews/75/27577be2d6d86af20265734b64e8d563.jpg R"accept-encoding="gzip,%20deflate"HTTP/1.1 200 OK Date: Tue, 26 Aug 2014 12:25:13 GMT Content-Type: image/jpeg Last-Modified: Wed, 31 Oct 2012 06:12:07 GMT ETag: "5090c137-2efb" Expires: Fri, 23 Aug 2024 12:25:13 GMT Cache-Control: public, max-age=315360000 Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET, POST, OPTIONS Access-Control-Allow-Headers: Origin,Referer,Accept-Encoding,Accept- Language,Accept,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If- Modified-Since,Cache-Control,Content-Type,X-Forwarded-For,X-Forwarded-Proto CF-Cache-Status: HIT Vary: Accept-Encoding Accept-Ranges: bytes Server: cloudflare-nginx CF-RAY: 160002c2e4730887-FRA Content-Length: 12027 Connection: Keep-Alive Set-Cookie: __cfduid=dfcf568ed46ef827243b3d6c342b3bdc41409055913424; expires=Mon, 23-Dec-2019 23:50:00 GMT; path=/; domain=.firedrive.com; HttpOnly The Expires header is in the past. "http://static.firedrive.com/dynamic/previews/75/27577be2d6d86af20265734b64e8d563.jpg"; Sending HTTP request ... done. HTTP/1.1 404 Not Found Server: squid Mime-Version: 1.0 Date: Wed, 12 Nov 2014 12:54:13 GMT Content-Length: 0 X-Cache: MISS from SERV1 X-Cache-Lookup: NONE from SERV1:3129 Via: 1.1 SERV1 (squid) Connection: close Is that why squidclient -m PURGE -h 127.0.0.1 -p 3129 says not found in cache? _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
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