Am Sonntag, 18. September 2005 16:52 schrieb Christian Biere: > Florian Lindner wrote: > > I don't want to have it contaminated for eternity and I don't really > > think it is. But it wouldn't be a problem to take this hostname out of > > DNS for like half a year. What do exactly mean with contanimated? > > For an example, the GWebCache galvatron.dyndns.org was not available > for several months. When it was respawned, the request rate jumped > instantly to almost 100K requests per hour. This was clearly the effect > of being a well-known URL. You can also check > http://gcachescan.jonatkins.com/ to see the huge amount of still-known > (thus contaminated) URLs. Actually, most of these had been filtered > from the GWebCache network but due to recent installations of some > piss-poor GWebCache implementations, these URLs suddenly appeared > out of nowhere. Look also at the graphical stats and notice the steep > curve describing the amount of "bad" URLs. If you're curious, mail > some of the webmasters and ask them how many requests they still see. > > Every now and then, clients will contact your cache several thousand > times per hour. Funny enough, these are usually clients hardly anyone > uses and seemingly nobody maintains. > > What I mean with contaminated is that an hostname once known as > GWebCache will be contacted by clients for a very long time because > there's no efficient way other than removing the complete hostname > per DNS. So you shouldn't use "www" or any hostname you might want to > use for something else later unless you don't mind the wasted > bandwidth and noise then.
I just take a dedicated subdomain for the gwc, so I can take it out of DNS without affecting the rest of the domain. Florian ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ Gtk-gnutella-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gtk-gnutella-devel
