Hello,
I was wondering if it’s possible to allocate 1 Gbps of bandwidth to my Tor relay, or if it would be better to create multiple instances on the same server?
I have a dedicated server in a data center. When I look at the list of the fastest relays, I see that some manage to reach 1 Gbps on a single instance, but I assume that requires a very powerful CPU and a very high single-core clock speed, given that my CPU is a bit old.
Thanks!
Simply try it.
The worst thing that can happen is that the throughput will be lower.
You can then check the CPU usage.
Am 21.07.26 um 14:02 schrieb Lavender I Tor Relay via tor-relays:
I was wondering if it's possible to allocate 1 Gbps of bandwidth to
my Tor relay, or if it would be better to create multiple instances
on the same server?I have a dedicated server in a data center. When I look at the list
of the fastest relays, I see that some manage to reach 1 Gbps on a
single instance, but I assume that requires a very powerful CPU and
a very high single-core clock speed, given that my CPU is a bit old.
--
Gruß
Marco
Muell und Spam bitte an abfalleimer2002@stinkedores.dorfdsl.de
Why does that matter?
Am 22.07.26 um 16:21 schrieb Tor at 1AEO:
If you're in Europe, it's possible with one relay.
If you're outside Europe, it'll usually take more than one relay.
--
Gruß
Marco
Muell und Spam bitte an abfalleimer2002@stinkedores.dorfdsl.de
If you don't mind my asking, why specifically in Europe? Doesn't the CPU also come into play?
Thanks.
Lavender - Tor Relay Operator
Le mercredi 22 juillet 2026 à 16:25, Tor at 1AEO via tor-relays <tor-relays@lists.torproject.org> a écrit :
If you're in Europe, it's possible with one relay.
If you're outside Europe, it'll usually take more than one relay.Give the relay at least a few weeks to get consensus weight allocated.
Sent from Proton Mail for Android.
-------- Original Message --------
On Wednesday, 07/22/26 at 03:42 Marco Moock via tor-relays <tor-relays@lists.torproject.org> wrote:
Am 21.07.26 um 14:02 schrieb Lavender I Tor Relay via tor-relays:
> I was wondering if it's possible to allocate 1 Gbps of bandwidth to
> my Tor relay, or if it would be better to create multiple instances
> on the same server?
>
> I have a dedicated server in a data center. When I look at the list
> of the fastest relays, I see that some manage to reach 1 Gbps on a
> single instance, but I assume that requires a very powerful CPU and
> a very high single-core clock speed, given that my CPU is a bit old.Simply try it.
The worst thing that can happen is that the throughput will be lower.
You can then check the CPU usage.--
Gruß
Marco
Muell und Spam bitte an abfalleimer2002@stinkedores.dorfdsl.de
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Hello.
Lavender I Tor Relay wrote:
If you don't mind my asking, why specifically in Europe?
Unfortunately, Tor's bandwidth authorities (the servers that measure the
bandwidth of relays) are heavily concentrated in Europe, so even high-
capacity relays will be falsely given a lower consensus weight. We're
talking the difference between <1 Mbps with 1% CPU usage (Malaysia) and
~400 Mbps with 100% CPU usage (Germany), despite both being able to push
1 Gbps traffic in general. Yet the former is not bottlenecked by any
resources (it still has plenty of CPU and bandwidth to spare).
It's sad because there are too many relays concentrated in Germany and
the Netherlands, but other locations, even with spare capacity, don't get
fully utilized. The advice is always the same: run more Tor processes,
but that's not practical for many people due to the limit of 8 relays per
IP and the fact that many low-cost VPSes don't have enough RAM to run
more than a single Tor relay anyway.
Hopefully in the future, bandwidth measurements will be fixed. But until
then, they are badly broken and heavily prioritize relays in already-
saturated areas while penalizing capable and diverse relays.
If your VPS has good connectivity to the EU or eastern United States, it
will probably get good usage. That means that you need really premium
routing to get any decent bandwidth in APAC, for example.
Regards,
forest
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