On Sat, Oct 11, 2008 at 09:24:28PM -0400, Chuck Anderson wrote: > On Sat, Oct 11, 2008 at 06:16:27PM -0700, John Reiser wrote: > > About 2230 UTC on Sat.Oct.11, the 67 leeches finished within a few minutes > > of each other. The torrents started about 0000 UTC. So it took more than 22 hours > > to distribute the 67 copies of 726MB of data. That is approx. 10KB/s for each, > > on average, which is very slow. The expected speed is at least 10 times as fast. > > > > One theory is deliberate throttling/choking somewhere. > > Here's a [current] traceroute for two of my machines that were in the swarm > > during those 22 hours [first few hops omitted due to paranoia]: > > I'm pretty sure this was throttling done by torrent1.fedoraproject.org > itself. I was coming in via Internet2, and I assume the reverse route > was also via Internet2 (which might be a bad assumption). Looks symmetrical to me. traceroute to 130.215.6.2 (130.215.6.2), 30 hops max, 40 byte packets 1 152.46.7.254 (152.46.7.254) 0.915 ms 1.139 ms 1.359 ms 2 rtp11-gw-to-ibiblio-gw.ncren.net (128.109.70.113) 0.248 ms 0.238 ms 0.215 ms 3 rtp7600-gw-to-rtp11-gw-sec.ncren.net (128.109.70.122) 0.364 ms 0.382 ms 0.427 ms 4 dep7600-gw2-to-rtp7600-gw.ncren.net (128.109.70.138) 3.401 ms 3.452 ms 3.534 ms 5 internet2-to-dep7600-gw2.ncren.net (198.86.17.66) 19.154 ms 19.150 ms 19.195 ms 6 ge-0-1-0.10.nycmng.abilene.ucaid.edu (64.57.28.7) 23.927 ms 23.909 ms 23.908 ms 7 ge-1-3-0.666.rtr.atla.net.internet2.edu (64.57.28.18) 28.981 ms 28.940 ms 29.070 ms 8 nox300gw1-Vl-110-NoX-INTERNET2.nox.org (192.5.89.221) 33.709 ms 42.725 ms 48.957 ms 9 nox1sumgw1-Vl-803-NoX.nox.org (192.5.89.237) 33.796 ms 33.829 ms 33.856 ms 10 nox1sumgw1-PEER-NoX-WPI-192-5-89-42.nox.org (192.5.89.42) 33.988 ms !X 34.042 ms !X 34.080 ms !X -- Matt Domsch Linux Technology Strategist, Dell Office of the CTO linux.dell.com & www.dell.com/linux -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
