On November 25, 2003 05:40 am, Ian Clarke wrote: > Salah Coronya wrote: > > Well so far routing doesn't seem to have improved, most requests are > > failing (51051 requests attempted, 409 succeeded; 514 inserts > > attempted, 7 succeeded). About 14000 qph here. > > Thats disappointing - anyone else seen any change, positive or negative, > with recent builds? Most freesites seem to be retrievable for me, but > FEC downloads are still much much slower than they used to be (although > this may just be because I am downloading very old splitfiles). > > > Its been brought up several times the reason NGR might not appear to > > be working is because the network is oversaturated (you can't fit an > > elephant through a straw, no matter how hard you suck. No matter how > > good NGR is, no routing scheme is going to help if there nowhere for > > the data to go because everyone's link is saturated). I propose in > > the "unstable" (or maybe re-opening the "experimental") branch, FCP > > bandwidth/connections be throttled to an artificially low number. > > I think the whole overloading thing is a red herring, we have already > devoted considerable energy to this and I think the exponential backoff > is doing a good enough job of addressing this (anyone got contrary > evidence?).
My node is accepting about 10% of requests. In my mind this it is not working well at all. I think the backoff scheme in use is using alchemy. ie. there is no predictable result - we just say it is working... Ed > I think the underlying problem is still routing. One possibility is > that the Estimator algorithm just isn't very good at estimating (this > could be due to the increased sensitivity at the outset leading to an > essentially random estimation curve). > This theory can be tested by recording response time information for a > given node, and then feeding this through the estimator algorithm, > seeing how well they do, to optomise their various parameters. > > The worst case scenario is that we impose a forced specialization, > clearly this is undesirable as specialization *should* occur naturally, > but we may need to give it a kick-start. > > Ian. > _______________________________________________ > Devl mailing list > [EMAIL PROTECTED] > http://dodo.freenetproject.org/cgi-bin/mailman/listinfo/devl _______________________________________________ Devl mailing list [EMAIL PROTECTED] http://dodo.freenetproject.org/cgi-bin/mailman/listinfo/devl
