It's surprising that you're running into CPU issues. It's typically RAM that is
exhausted first.
I have 5 x Dual Core 256MB Tor Relay Nodes loadbalanced as a Single Middle
Relay that never have CPU issues. It's always a matter of running out of RAM
for me. The loadbalanced Tor Relay maintains between 6K-8K circuits and between
100-200GB of Tor traffic per day.
Presently, 2 of the Tor Nodes are down, but you can see that for those Tor
Nodes that are up my CPU load is low and memory is approaching the 32MB cutoff
that I've configured.
# stat-tor-nodes
Living_Room-C293
12:52:23 up 1 day, 12:42, load average: 0.80, 0.54, 0.46
Data_Center-D448
12:52:24 up 1 day, 12:42, load average: 0.69, 0.69, 0.71
Office-3C73
12:52:24 up 1 day, 12:41, load average: 2.58, 2.84, 3.75
Garage-AE61
12:52:25 up 1 day, 12:42, load average: 0.00, 0.07, 0.10
Wiring_Closet-5610
12:52:25 up 1 day, 12:41, load average: 0.24, 0.33, 0.41
Living_Room-C293
MemFree: 110696 kB
Data_Center-D448
MemFree: 42744 kB
Office-3C73
MemFree: 86792 kB
Garage-AE61
MemFree: 193384 kB
Wiring_Closet-5610
MemFree: 38684 kB
Living_Room-C293
2000
Data_Center-D448
2710
Office-3C73
0
Garage-AE61
0
Wiring_Closet-5610
1854
It might help to provide your torrc config.
—
This Message Originated by the Sun.
iBigBlue 63W Solar Array (~12 Hour Charge)
+ 2 x Charmast 26800mAh Power Banks
= iPhone XS Max 512GB (~2 Weeks Charged)
On Tuesday, November 9, 2021, 8:48:09 AM PST, failing.flyaway443--- via
tor-relays <tor-relays@lists.torproject.org> wrote:
Hi everyone,
about two weeks ago, I signed up for a VPS with a cloud provider and set up a
Tor relay. I installed Debian 11 Bullseye, secured it, and then set up Tor
0.4.6.8 and started the relay.
The VPS had the following specs: 1vCore, 2GB RAM, 40TB traffic per month on a
1Gbit/s link. I throttled the traffic accordingly so that the monthly limit of
40TB would not be exceeded. Nevertheless, the CPU load was extreme, the server
was running at full capacity and crashed several times.
Since I want to help the Tor network with a fast relay I now signed up for a
root server which has the following specs: Dual core CPU, 8GB ECC RAM, 2,5Gbit
link, 1Gbit guaranteed, unlimited traffic.
I set this thing up with Debian 11 Bullseye again and Tor 0.4.6.8. Since my
bandwith gets throttled when I use more than a certain amount of traffic/month
and at the same time (!) on average more than a certain amount of bandwith for
more than one hour, I set the MaxBandwith to 1000Mbit/sec (equals 125MB/sec).
This relay is up and running for a few days now, and I already have around 4000
incoming and outgoing connections. My bandwith is not fully used yet, but
sometimes I see spikes of 20MB/s. What concerns me is that the CPU load again
is sometimes 40-50% on both cores, even though this relay is not fully used
yet.
Can somebody tell me if it is even possible to run such a fast relay on this
hardware?
Should I set a more restrictive bandwith throttle myself, or go for a quad core
CPU?
I don't think I will ever run out of RAM this time, since I have 8GB.Thank you
for your advice! All the best!
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