[tor-relays] RPi Relay Maximum Speed

[Tristan]

Remember, a relay has to download and upload as well, so your 100Mbps link
would really only be able to _relay_ at 50Mbps anyway.

On Oct 12, 2016 4:17 AM, "Farid Joubbi" <joubbi at kth.se> wrote:

> The hardware in your raspberry is way too weak to be able to push 100
> Mbit/s.
>
> My guess is that Atlas will show somewhere just below 1 MByte for your
> relay.
>
>
> I have tried to find cost effective hardware for a relay that is able to
> push around 100 Mbit/s. All the options I have looked at turned out to be a
> bit too expensive for my taste (and wallet). Either the initial cost or the
> energy usage is too high for such hardware for my purposes.
>
>
> ------------------------------
> *From:* tor-relays <tor-relays-bounces at lists.torproject.org> on behalf of
> Volker Mink <volker.mink at gmx.de>
> *Sent:* 12 October 2016 09:09
> *To:* tor-relays at lists.torproject.org
> *Subject:* Re: [tor-relays] RPi Relay Maximum Speed
>
> So the best would be to use two raspis or your old gaming-workstation -
> depends on the costs for energy
>
> *Gesendet:* Mittwoch, 12. Oktober 2016 um 07:55 Uhr
> *Von:* "Roman Mamedov" <rm at romanrm.net>
> *An:* Manny <felich at posteo.de>
> *Cc:* "Tor relays" <tor-relays at lists.torproject.org>
> *Betreff:* Re: [tor-relays] RPi Relay Maximum Speed
> On Wed, 12 Oct 2016 07:18:56 +0200
> Manny <felich at posteo.de> wrote:
>
> > I have a 1gbit symmetric connection at home and would like to donate
> > 100mbit with my raspberry pi 3 model b. Since it has a 100mbit Network
> > Interface, I'm limited to that anyways.
> >
> > What Settings do I Need in my torcc to get the Maximum Speed? At the
> > Moment I entered 12 Mbytes - which Shows up at 96 mb/s in Arm - is that
> > correct and my understanding of things is just the opposite?
> > Max Speed, I think, should be 12.7mb/s for a 100mbit Connection?
>
> mb is not a thing that exists;
> Mb is megabits: https://en.wikipedia.org/wiki/Megabit
> MB is megabytes: https://en.wikipedia.org/wiki/Megabyte
>
> What you entered in torrc is currently correct. But since your board has a
> 100
> Mbit interface anyway, it would be better if you just omit the bandwidth
> limit
> line entirely.
>
> Also, actually hit anything remotely close to 100 Mbit, you'll absolutely
> have
> to run two instances of Tor. The Raspberry Pi 3 has 4 CPU cores, but each
> core
> on its own is not very fast. One copy of Tor only uses about 1 to 1.3
> cores,
> so to fully utilize your hardware you need more than one. Ideally you'd
> set up
> four, but the Tor network will only accept two running from the same IPv4
> address. It appears that these days there's a built-in script for that, see
> "man tor-instance-create".
>
> --
> With respect,
> Roman
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