Re: [tor-relays] minimum ram

[I <beatthebastards@xxxxxxxxx>]

Gordon,

To see if it was possible just now I set up an obfsproxy bridge as best I could but it failed to download properly. The instructions say set up Tor then the obfsproxy software which seemed to use up the ram.
(I've reinstalled the OS from Ubuntu 11.. to Quantal)
Have I misunderstood something? Is there an easier way to set up a bridge like the Amazon ECC ones on a 256mB VPS that ab initio Linux people can try?
If the Tor Project wants to be really big it would seem to be better to be easier to provide resources such as your idea of a box anyone can plug in. 

Robert



> -----Original Message-----
> From: gordon@xxxxxxxxxxxx
> Sent: Sun, 20 Oct 2013 19:37:11 -0700
> To: tor-relays@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [tor-relays] minimum ram
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> I:
>> Gordon,
>> 
>> It seems useful to run obfsproxy bridges on $1 a month VPSs then.
>> Can weather.torproject.org be used to monitor whether they're
>> running or not?
> 
> That's a very good question - I hadn't tried monitoring my bridges
> with it because I had other means.  Fortunately, a reboot to a bridge
> doesn't set it back like it would a relay.  Users of the bridge are
> inconvenienced (maybe) while it's offline, but cheap VPSes are *great*
> for dedicated bridges, and 128MB RAM is currently enough.
> 
> Best,
> - -Gordon M.
> 
> 
>> 
>>>>> Is there any utility in the very cheap VPSs with 128mb of
>>>>> ram?
>>>> 
>>>> I did some testing quite a while ago and found that 256MB was
>>>> the minimum amount of RAM for a relay. It works for some time
>>>> with 128MB, but it then runs out of memory, and it is not very
>>>> good to have it restart all the time.
>>>> 
>>>> I say "was" because currently, with more than 3 million clients
>>>> in the network, a relay might even run out of memory with 256MB
>>>> RAM. I don't have any current data on that though.
>>>> 
>>> 
>>> A 128MB VPS can comfortably support an obfsproxy bridge - just
>>> get a provider that doesn't reboot you a ton.  I've run a number
>>> of such bridges.
>>> 
>>> I would not go below 512MB RAM for a relay that is going to
>>> handle more than 2Mbps (about 200KB/sec) - you will eventually
>>> run out of RAM and Tor will be killed, and that's not great for
>>> the network.
>>> 
>>> My source for the above is a lot of blood, sweat and tears with
>>> Tor on the Raspberry Pi model B.  :)
>>> 
>>> Best, - -Gordon M.
>> 
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