On 09/01/2015 03:57 PM, Yuri Voinov wrote:
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This is bad idea - to cache the same gifs with unique parameters. They keeps unchanged for one HTTP-session in best case. You cache will overloads with this small same gifs with unique parameters.
Only store ID saves this situation. In other hand, you must cache all Internet and all it variations. Yes, Vary is evil. But web-masters which is fight against caching is more evil.
trackers may be evil and you may use a powerful weapon to kill them all, but I assume that you do not want innocent victims, like the few gifs that actually have a different image depending on the
parameter.
02.09.15 0:16, Marcus Kool пишет:
>
> On 09/01/2015 03:08 PM, Yuri Voinov wrote:
>>
> Better to write store-id rule which cut off parameters and store gif.
>
> Something like this:
>
> ^https?:\/\/(.+?)\/(.+?)\.(js|css|jp(?:e?g|e|2)|gif|png|bmp|ico|svg|web(p|m))
> http://$1.squidinternal/$2.$3
>
> And, of course, universal rule for store_id_access.
>
> > I think that this works well for trackers gifs but not for other gifs with parameters.
>
> Store ID is powerful instrument for deduplication cache story. Which
> permits not to use terabytes disks.
>
> 02.09.15 0:00, Marcus Kool пишет:
> >>>
> >>>
> >>> On 09/01/2015 05:14 AM, FredB wrote:
> >>>> More precisely
> >>>>
> >>>> I reduced the ttl of the first line
> >>>>
> >>>> refresh_pattern -i \.(htm|html|xml|css)(\?.*)?$ 10080 100% 10080
> >>>> #All File 30 days max
> >>>> refresh_pattern -i
> \.(3gp|7z|ace|asx|bin|deb|divx|dvr-ms|ram|rpm|exe|inc|cab|qt)(\?.*)?$
> 43200 100% 43200 ignore-no-store reload-into-ims store-stale
> >>>> refresh_pattern -i
> \.(rar|jar|gz|tgz|bz2|iso|m1v|m2(v|p)|mo(d|v)|arj|lha|lzh|zip|tar)(\?.*)?$
> 43200 100% 43200 ignore-no-store reload-into-ims store-stale
> >>>> refresh_pattern -i
> \.(jp(e?g|e|2)|gif|pn[pg]|bm?|ico|swf|dat|ad|txt|dll)(\?.*)?$ 43200 100%
> 43200 ignore-no-store reload-into-ims store-stale
> >>>> refresh_pattern -i
> \.(avi|ac4|mp(e?g|a|e|1|2|3|4)|mk(a|v)|ms(i|u|p)|og(x|v|a|g)|rm|r(a|p)m|snd|vob)(\?.*)?$
> 43200 100% 43200 ignore-no-store reload-into-ims store-stale
> >>>> refresh_pattern -i
> \.(pp(t?x)|s|t)|pdf|rtf|wax|wm(a|v)|wmx|wpl|cb(r|z|t)|xl(s?x)|do(c?x)|flv|x-flv)(\?.*)?$
> 43200 100% 43200 ignore-no-store reload-into-ims store-stale
> >>>
> >>> trackers use a 1x1 gif extensively and they usually have parameters,
> e.g.
> www.example.com/track.gif?browser=chrome&allsortsofdata&random=RANDOMNUMBER
> >>> and these trackers are not cacheable since the parameters are never
> the same.
> >>> So for gif, I suggest to
> >>>
> >>> refresh_pattern -i \.gif$ 43200 100% 43200 ignore-no-store
> reload-into-ims store-stale
> >>> refresh_pattern -i \.gif\? 0 0% 0
> >>>
> >>> Marcus
> >>> _______________________________________________
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> >>> squid-users@xxxxxxxxxxxxxxxxxxxxx
> >>> http://lists.squid-cache.org/listinfo/squid-users
>
>>
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