Poul-Henning Kamp wrote: > My only worry is that it adds a linked list to the objcore structure > taking it from 88 to 104 bytes. > I realise this could be undesirable, but at the moment varnish is proving quite difficult to use in sites that frequently purge, with different users adding their own workarounds (versioning URLs, restarting Varnish, tweaking the hash key etc). Everything is a trade off, but I think it's desirable to increase the memory footprint per object so as to not bring down the server with massive memory growth.
> Probably the more interesting question is how aggressive you want it to > be: if it is too militant, it will cause a lot of needless disk activity I feel that some sort of hysteresis on the size of the purge list would make most sense, perhaps starting to process if the list exceeds more than X bytes, and stop when the list is < Y bytes. Having thought a little more about this, I realise I don't know whether graced requests respect bans. If they don't, then processing the ban list will change Varnish's behaviour. Rob _______________________________________________ varnish-misc mailing list varnish-misc@projects.linpro.no http://projects.linpro.no/mailman/listinfo/varnish-misc
