Dear Georg,
I don't understand that a ddos attack would affect bumping up the advertised bandwidth - or would it? My Aramis family advertised bandwidth seems to have leveled off 2 days ago, but not gone down to previous levels. I noted the total advertised bandwidth of the Quetzalcoatl family over the past few days, and it still seems to be going up:2,391 2,442 2,598 and now 2,754.
How the bwauths adjust the advertised bandwidth is a mystery to me. My impression is that after the first few months the advertised bandwidth will settle in and stay the same. Which is why this increase in advertised bandwidth starting Thursday seems so strange.
--Torix
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, September 1st, 2021 at 6:06 AM, Georg Koppen gk@torproject.org wrote:
torix via tor-relays:
Thanks for setting my mind at ease, Georg. I did actually read about the speed test, but didn't think that could be the cause, as I weathered the last speed test without seeing anything noticeable.
Reading the email again, I understand that the difference here is that the traffic script is being run over and over again for 2 weeks instead of just once. And yes, one of my relays fell over with a kernel limits problem two nights ago.
Hrm. I wonder, though, whether that's actually related to the speed test
or something else given that the flooding takes only 20 seconds. The
overhead caused by the speed test should be in line with regular usage.
See and older post[1] for more details about the experiment.
Looking at onion service traffic for instance[2] it seems we might have
some DDoS situation again. Maybe that caused issues for your relay (not
sure which one was affected).
Georg
[1] https://lists.torproject.org/pipermail/tor-relays/2019-July/017535.html
[2] https://metrics.torproject.org/hidserv-rend-relayed-cells.html
--Torix
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday, August 30th, 2021 at 7:15 AM, Georg Koppen gk@torproject.org wrote:
torix via tor-relays:
The advertized bandwidth of my aramis family of relays has gone up from around 45 to 67 total since last week. ZimmerLinux (quetzalcoatl) sees inflation as well. I found a graph here of quetzalcoatl:
https://nusenu.github.io/OrNetStats/quetzalcoatl-relays.org.html
which whose weekly graph currently shows everything staying the same until about Wed. 25 Aug., then creeping up. He hasn't added any relays, so it looks as though the bwauths have changed something.
I'm bringing this up because something seems a little out of control here.
This is to be expected due to the advertised bandwidth related network
experiment that is currently running.[1][2]
Georg
[1]
https://lists.torproject.org/pipermail/tor-relays/2021-August/019786.html
[2] https://status.torproject.org/experiments/2021-08-26-relay-speed-test/
TIA,
--Torix
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