Re: [tor-relays] Limiting Tor Resources

[torix@xxxxxxxxxxxxxx]

Dear Ace,

I have never managed to get a separate ip address for a VM using KVM.  I have usually used VirtualBox in bridge mode, but you may have compunctions about VirtualBox.  I do see that there are some resources for tor relay docker images, which might be just what you want.  But you are limited to 2 relays; your box seems probably a bit bigger than that.

--Torix


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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Tuesday, June 9, 2020 7:46 AM, Roman Mamedov <rm@xxxxxxxxxxx> wrote:

> On Mon, 08 Jun 2020 23:19:37 +0000
> AceOfSpadez79 AceOfSpadez79@xxxxxxxxxxxxx wrote:
>
> > When setting up a relay, we are told that Tor doesn't scale well beyond dual
> > core systems. So with me having a 6 core CPU, is there a way to sandbox my
> > relay and restrict system resources to say, at most 2 cores(4 threads) and 2
> > gigs of RAM?
> > Now I know simply setting up a virtual machine could solve this, however
> > I've had no luck getting the ORPort and DirPort to reach the outside world.
> > Probably missed something in the Tor relay or KVM(hate virtualbox btw)
> > documentation.
>
> "Doesn't scale well" doesn't mean you have to do anything special to limit it
> to fewer cores. It just means that it doesn't really use more than 2 threads,
> so there's no use limiting it to 4. If you want to anyway, there's the
> "NumCPUs" setting in torrc.
>
> A common way to increase efficiency in your case would be to run a second
> instance of Tor. But "that's it", i.e. only two instances per IPv4 address
> will work, i.e. adding a third one as well won't be an option with just one IP.
>
> If you want to reduce Tor RAM usage, there's also "MaxMemInQueues" to adjust
> in torrc, but typically you wouldn't need to.
>
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> With respect,
> Roman
>
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