On Mon, Jul 26, 2010 at 4:57 PM, Jose Ildefonso Camargo Tolosa <ildefonso.camargo@xxxxxxxxx> wrote: > Hi! > > On Fri, Jul 23, 2010 at 8:31 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: >> Etienne Philip Pretorius wrote: >>> >>> Hello List, >>> >>> I am running Squid Cache: Version 3.1.3. and I wanted to cache windows >>> updates and applied the suggested settings from >>> http://wiki.squid-cache.org/SquidFaq/WindowsUpdate but now I am experiencing >>> another problem. >>> >>> It seems that while I am able to cache any partial downloaded files with >>> squid now, I am flat-lining my break out onto the Internet. I just wanted to >>> check here before attempting to implement delayed pools. As I see it, it is >>> squid fetching the file at maximum speed possible. >>> >>> So my question is, if I implement delayed pools for the client connections >>> - will squid also fetch the files at those reduced rates? >> >> Not directly. Squid will still fetch the files it has to at full speed. >> However, indirectly the clients will be delayed in their downloads so will >> spread their followup requests out over a longer time span than without >> delays. > > I remember and old thread about a similar situation: it was a person > who was trying to use squid for an ISP, but subscriber connections are > a lot slower than ISP's connection to the Internet, and so: when a > client started a download for a 600MB file, squid would fetch the > whole file using a lot of bandwidth, and the client would not even be > at 10% of the download, so.... if the client decided to cancel the > download at say, 25%, there would be a lot of wasted bandwidth. > > Can that situation be corrected with delay pools? or, what do you need > to correct that? The desired behavior is that squid actually follows > the download at the speed of the fastest client!, instead of its > connection to the Internet. > > What do you think? > > Sincerely, > > Ildefonso Camargo > I think this kind of bandwidth limitation you're aiming shoud be done with layer 3 and 4 tools, like queues etc. Otherwise, there will be wasted bandwidth, like you said. But i also have a doubt. Will the delay pools be applied when the request is a cache or mem hit or only when the request is a miss?
