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Re: /dev/random is hot garbage



On Mon, Jul 22, 2019 at 10:08 AM Havard Eidnes <he%netbsd.org@localhost> wrote:
>
> >> >> ftp://golden-delicious.urc.uninett.no/pub/rust/rust-std-1.35.0-i686-unknown-netbsd.tar.gz
> >> >
> >> > Why is it not on ftp.NetBSD.org, with other bootstrap kits?
> >>
> >> Because copying the bootstrap kits takes forever...
> >> I'm in the process of copying them over, but it's a multi-day
> >> effort.
> >
> > Because scp is blocked waiting for random bits? :)
>
> Heh.
>
> I think there's just some bad network in the middle here.  No
> packet loss, though, but the congestion window nearly never opens
> up above 64KB.  Then there's the application-window in ssh
> itself, but we have the HPN additions on both client and server,
> so it *should* be able to scale that higher than 64KB(?)
>
>
> : {5} ; iperf3 -i 3 -t 30 -c ftp.netbsd.org
> Connecting to host ftp.netbsd.org, port 5201
> [  6] local 2001:700:1:0:eeb1:d7ff:fe59:fbaa port 57151 connected to 2001:470:a085:999::21 port 5201
> [ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
> [  6]   0.00-3.01   sec  1.03 MBytes  2.87 Mbits/sec    0   5.50 KBytes
> [  6]   3.01-6.01   sec   678 KBytes  1.85 Mbits/sec    0   6.88 KBytes
> [  6]   6.01-9.00   sec   928 KBytes  2.54 Mbits/sec    0   13.8 KBytes
> [  6]   9.00-12.02  sec  1.23 MBytes  3.43 Mbits/sec    0   37.1 KBytes
> [  6]  12.02-15.01  sec  1.15 MBytes  3.22 Mbits/sec    0   22.0 KBytes
> [  6]  15.01-18.01  sec  1.16 MBytes  3.25 Mbits/sec    0    113 KBytes
> [  6]  18.01-21.01  sec  1.97 MBytes  5.53 Mbits/sec    0   75.6 KBytes
> [  6]  21.01-24.01  sec   796 KBytes  2.17 Mbits/sec    0   27.5 KBytes
> [  6]  24.01-27.01  sec  1.36 MBytes  3.80 Mbits/sec    0   39.9 KBytes
> [  6]  27.01-30.01  sec  1.12 MBytes  3.12 Mbits/sec    0   68.8 KBytes
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bandwidth       Retr
> [  6]   0.00-30.01  sec  11.4 MBytes  3.18 Mbits/sec    0             sender
> [  6]   0.00-30.01  sec  10.9 MBytes  3.05 Mbits/sec                  receiver
>
> iperf Done.
> : {6} ; iperf3 -4 -i 3 -t 30 -c ftp.netbsd.org
> Connecting to host ftp.netbsd.org, port 5201
> [  6] local 158.38.62.77 port 59576 connected to 199.233.217.201 port 5201
> [ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
> [  6]   0.00-3.00   sec   261 KBytes   713 Kbits/sec    0   11.3 KBytes
> [  6]   3.00-6.01   sec   215 KBytes   586 Kbits/sec    0   1.41 KBytes
> [  6]   6.01-9.00   sec   217 KBytes   593 Kbits/sec    0   11.3 KBytes
> [  6]   9.00-12.00  sec   178 KBytes   486 Kbits/sec    0   28.3 KBytes
> [  6]  12.00-15.01  sec   263 KBytes   718 Kbits/sec    0   2.83 KBytes
> [  6]  15.01-18.01  sec   212 KBytes   580 Kbits/sec    0   21.2 KBytes
> [  6]  18.01-21.00  sec   270 KBytes   738 Kbits/sec    0   7.07 KBytes
> [  6]  21.00-24.02  sec   322 KBytes   877 Kbits/sec    0   32.5 KBytes
> [  6]  24.02-27.01  sec   266 KBytes   727 Kbits/sec    0   9.90 KBytes
> [  6]  27.01-30.02  sec   170 KBytes   462 Kbits/sec    0   5.66 KBytes
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bandwidth       Retr
> [  6]   0.00-30.02  sec  2.32 MBytes   648 Kbits/sec    0             sender
> [  6]   0.00-30.02  sec  2.21 MBytes   617 Kbits/sec                  receiver
>
> iperf Done.
> : {7} ; traceroute -I ftp.netbsd.org
> traceroute to ftp.netbsd.org (199.233.217.201), 64 hops max, 40 byte packets
>  1  uninett-gsw1 (158.38.62.8)  0.986 ms  0.775 ms  2.415 ms
>  2  teknobyen-gw4 (128.39.70.8)  0.788 ms  0.790 ms  0.781 ms
>  3  trd-gw (128.39.230.116)  0.762 ms  29.401 ms  6.203 ms
>  4  oslo-gw1 (128.39.255.24)  8.750 ms  8.730 ms  8.764 ms
>  5  se-tug.nordu.net (109.105.102.108)  15.597 ms  15.703 ms  15.563 ms
>  6  se-fre.nordu.net (109.105.97.1)  15.474 ms  21.950 ms  15.410 ms
>  7  s-b3-link.telia.net (213.248.97.17)  15.915 ms  17.054 ms  15.955 ms
>  8  s-bb4-link.telia.net (62.115.119.110)  15.915 ms  15.893 ms  15.799 ms
>  9  ffm-bb2-link.telia.net (62.115.138.105)  39.084 ms  39.145 ms  39.210 ms
> 10  ffm-b1-link.telia.net (62.115.137.167)  37.740 ms  37.362 ms  41.580 ms
> 11  f5networks-ic-341210-ffm-b1.c.telia.net (62.115.169.109)  38.844 ms  38.898 ms  38.871 ms
> 12  pccw-bb-fra1.sjc1.defense.net (107.162.2.50)  176.183 ms  174.953 ms  189.680 ms
> 13  107.162.79.2 (107.162.79.2)  173.713 ms  181.094 ms  180.158 ms
> 14  107.162.16.70 (107.162.16.70)  181.437 ms  191.085 ms  185.156 ms
> 15  morden.netbsd.org (199.233.217.201)  179.934 ms  194.359 ms  194.508 ms
> : {8} ;
> : {8} ; traceroute6 -I ftp.netbsd.org
> traceroute6 to ftp.netbsd.org (2001:470:a085:999::21) from 2001:700:1:0:eeb1:d7ff:fe59:fbaa, 64 hops max, 16 byte packets
>  1  uninett-gsw2  0.818 ms  0.793 ms  0.782 ms
>  2  uninett-gsw1  0.793 ms  0.793 ms  0.761 ms
>  3  teknobyen-gw4  0.79 ms  0.794 ms  0.789 ms
>  4  trd-gw  0.784 ms  0.789 ms  0.778 ms
>  5  oslo-gw1  8.774 ms  9.899 ms  8.611 ms
>  6  se-tug.nordu.net  15.581 ms  23.129 ms  18.114 ms
>  7  se-fre.nordu.net  15.516 ms  15.499 ms  15.492 ms
>  8  dk-ore.nordu.net  20.232 ms  20.262 ms  21.075 ms
>  9  kbn-b4-link.telia.net  20.961 ms  20.199 ms  20.28 ms
> 10  kbn-bb3-v6.telia.net  40.82 ms  41.092 ms  42.064 ms
> 11  hbg-bb1-v6.telia.net  39.188 ms  39.122 ms  39.089 ms
> 12  ffm-bb3-v6.telia.net  39.414 ms  39.282 ms  39.279 ms
> 13  ffm-b2-v6.telia.net  39.097 ms  38.318 ms  39.017 ms
> 14  ve309.core1.fra1.he.net  39.002 ms  39.005 ms  39.145 ms
> 15  * 100ge6-1.core1.ams1.he.net  35.309 ms  43.221 ms
> 16  * * *
> 17  100ge8-1.core1.dub1.he.net  47.971 ms *  69.337 ms
> 18  100ge5-2.core1.nyc5.he.net  116.144 ms  116.063 ms  116.194 ms
> 19  100ge4-2.core1.nyc4.he.net  116.127 ms  116.314 ms  116.285 ms
> 20  100ge8-1.core1.sjc2.he.net  174.799 ms  174.588 ms  174.698 ms
> 21  10ge4-4.core1.sjc1.he.net  174.596 ms  184.156 ms  174.746 ms
> 22  e0-50.core4.fmt1.he.net  186.664 ms  186.079 ms  186.323 ms
> 23  tserv1.fmt1.he.net  175.402 ms  175.033 ms  175.117 ms
> 24  tunnel426-pt.tunnel.tserv1.fmt.ipv6.he.net  175.876 ms  175.837 ms  175.348 ms
> 25  ftp.NetBSD.org  175.489 ms  175.659 ms  175.696 ms
> : {9} ;
>
> Meanwhile, my rsync's are going:
>
> rust-std-1.31.1-armv7-unknown-netbsd-eabihf.tar.gz
>      71,603,203 100%   34.01kB/s    0:34:15 (xfr#12, to-chk=28/69)
> rust-std-1.31.1-i686-unknown-netbsd.tar.gz
>      71,783,116 100%   33.88kB/s    0:34:27 (xfr#13, to-chk=27/69)
> rust-std-1.31.1-powerpc-unknown-netbsd.tar.gz
>      70,015,527 100%   14.10kB/s    1:20:50 (xfr#14, to-chk=26/69)
>
> Regards,
>
> - Håvard


Is that defense.net your own outgoing protection or is there a route
messed up?  I've used them for inline stuff before.

My traceroute is different to say the least!


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