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โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โ RNS 1.5.0 Testing - Traffic Prioritization & Stability Improvements โ
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Started by Mark ยท 1mo ago ยท 8dd57a7382268096
Page 5 of 6
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post-41
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โ Mark #41 โ
โ 8dd57a7382268096 โ
โฐโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโฏ
โธ 25d ago
Thanks @p1ld7a! First of all, I just pushed a new set of changes to Aleph. If you
already updated, can you please try running the very latest commit? The
"Over-optimization is the root of all evil" one?
There's unfortunately not much that stands out immediately in that log file. For the next
run, can you try increasing the loglevel to debug instead? That should give a much better
picture.
One thing I do notice, though, is all those TCPInterfaces. Is there a specific reason
you're using those, and not BackboneInterface? Can you try changing your TCP interfaces
to Backbone in your config? That would help rule out whether it is anything going wonky
in the TCPInterface code, as opposed to BackboneInterface (they're mutually compatible,
but BackboneInterface is much faster and much more efficient in all regards).
Also @K8, there was a TX stall bug in one of the previous commits, that I think you might
be running now. Race in EPOLLOUT due to my silly modify guard experiment.
Sorry for that one ;) It should be fixed now in the latest commit.
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post-42
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โ Mark #42 โ
โ 8dd57a7382268096 โ
โฐโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโฏ
โธ 25d ago
LOL, "4 cores and they're all sad" @K8. Don't know why, but I find that so funny :)
Actually, I have a pet theory about why performance is often so much worse on some
systems, especially VPSes, and it has to do with memory bandwidth, so I ran some probing.
In a synthetically engineered, completely worst-case scenario, I'm seeing some pretty
insane memory bandwidth consumption. Now, this is admittedly completely synthetic,
and designed to expose the absolute worst-case scenarios, which are unlikely to happen in
real usage, but still, it serves as an insight into what to target.
The short version of it is that I think I can reduce 331 gigabytes (for that test
scenario) of memcopies down to zero, which is bound to have some effect.
I got completely sidetracked by this today, and decided to dive into it, so I'll
hopefully have something ready later. Or much later, depending on how it goes. I'll be
back.
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โ p1ld7a #43 โ
โ b2e101f8b8d8c776 โ
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โธ 25d ago
I have updated the config of the server:
https://github.com/drupol/infra/commit/079f68b244b95d400bdd01603f1078e791217d9f
I will now try to fetch the sources from reticulum and keep you posted.
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post-44
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โ p1ld7a #44 โ
โ b2e101f8b8d8c776 โ
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โธ 25d ago
@Mark: would it be OK for you to sync the GH mirror ? Fetching with reticulum is
currently not possible on my end.
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โ K8 #45 โ
โ 8e4525cda4482720 โ
โฐโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโฏ
โธ 25d ago
If over-optimization is the root of all evil, why is it so much fun? ๐
Thatโs interesting about memory bandwidth, Iโm sure there lots of room for improvement
there. I was just starting to do some memory profiling to understand why my instanceโs
memory usage seems to keep growing over time.
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post-46
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โ p1ld7a #46 โ
โ b2e101f8b8d8c776 โ
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โธ 25d ago
I have made the changes, but 10 minutes later, it was down:
https://gist.github.com/drupol/65cd41db93bfedf38954a6225793ef72
loglevel is at 7, I am surprised I don't have more logs to show.
You can find the complete rnsd config at:
https://github.com/drupol/infra/blob/079f68b244b95d400bdd01603f1078e791217d9f/modules/reti
culum/reticulum-server.nix#L199
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post-47
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โ K8 #47 โ
โ 8e4525cda4482720 โ
โฐโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโฏ
โธ 25d ago
โ p1ld7a wrote:
โ I have made the changes, but 10 minutes later, it was down:
โ https://gist.github.com/drupol/65cd41db93bfedf38954a6225793ef72
โ
โ `loglevel` is at 7, I am surprised I don't have more logs to show.
โ
โ You can find the complete `rnsd` config at:
โ https://github.com/drupol/infra/blob/079f68b244b95d400bdd01603f1078e791217d9f/module
โ s/reticulum/reticulum-server.nix#L199
You have panic_on_interface_error enabled, so based on the logs it seems
to be behaving as it should. Just disable that!
If you ever want more logs (which most of the time you probably donโt) thereโs also
loglevel 8 now.
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โ p1ld7a #48 โ
โ b2e101f8b8d8c776 โ
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โธ 25d ago
Updated my config, will keep you posted !
https://github.com/drupol/infra/commit/5a0e9b56dc75f292913aa8e14b0fbae8c36f0828
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โ Mark #49 โ
โ 8dd57a7382268096 โ
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โธ 25d ago
Loglevel 8 is a dreaded and dangerous land. A stream of information so unhinged and
profound that few mortals dare consume it. Heed my warning; if you go, you may never
return.
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โ K8 #50 โ
โ 8e4525cda4482720 โ
โฐโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโฏ
โธ 25d ago
Back in the day before ingress limiting, I hear that skilled node operators could spot a
spammer in the log stream from 30 paces.
โ 1 โ 0 โค 3
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โ INFO โ Identify to this node to post. How?
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