More is better. Here my values at home:
Intel N3050 4x 1.6 GHz in an internal firewall with external Tor
application. Internet connection download 50 MBit/s, Upload 10
MBit/s.
Internal LAN performance: 90 MBit/s
My own downloads are near 50 MBit/s (less time, most time
20...30MBit/s);
Uploads near 8 MBit/s in peaks; Never theoretical limit reached.
My personal usage drives the internet line to full power, but Tor
as my MIDDLE RELAY doesn't use the full internet line power. It is
dependend from the cabability of the guard/exit partners. Cpu load
is less then 20%. The traffic is symmetrical IN/OUT.
My other external middel nodes doesn't use the full internet line
power too. The cpu load is less then 10%. The hardware ist a
single VPS cpu 3GHz with 512 GB RAM. This was the minimum of
provider offer.
Take a look on
https://atlas.torproject.org/#search/node49
node49 is my home middle node. node49a/b are external VPS with
100MBit connections. The usage is about 5-10 MBit/s. Cpu load
about 10% in peak.
Olaf
On 20.03.2017 22:03, Farid Joubbi
wrote:
I have tried a Banana Pi Pro 1,2 GHz Allwinner A20 -> 10
Mbit/s max (debian)
Beaglebone Black 1 GHz AM335x -> 12 Mbit/s max (debian)
Intel NUC5CPYH Celeron N3050 1,6 GHz to 2,16 burst -> 5
Mbit/s max (OpenBSD)
So I need something quite a bit more than I have already tried
;-)
Even a 1,8 ghz Atom can max out a 100mbit line … you don't
need much …
niftybunny
Where ignorance is bliss, 'Tis folly to be wise.
Thomas Gray
I'm a little surprised that this kind of question is
not documented anywhere, or at least I have not been
able to find it.
I have only found others asking the same question as
me without getting a good answer.
There was a quite exhaustive discussion seven years
ago:
This one got closed before a good answer:
I am prepared to pay a pile of cash for a computer
that I will dedicate to run a relay.
I have a 100 Mbit/s symmetric connection.
What should I buy?
I don't want to buy something that has a too slow
CPU that is not able to push enough traffic, but I
also don't want to overkill and get a huge
electricity bill.
Sebastian,
How much CPU does your relay have/use?
Hi Farid,
I'm running my Guard / Relay
on a VPS with only one core and 512MB RAM. Its
also hosting a blog, my own mailserver and is
member of
pool.ntp.orgI haven't encountered any
problems so far. It's also connected via
100MBit/sec
Am 2017-03-17 10:54, schrieb
Farid Joubbi:
Hello,
I have been running low
powered middle relays for a few years.
Now I think it's time for a
small upgrade.
I haven't looked at
computer hardware for a long time.
What is the cheapest and
most power efficient CPU/motherboard that can
saturate 100 Mbit/s as a Tor relay?
Thanks.
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