[tor-relays] Recommended specifications for 1Gbps exit

[Matt Joyce]

Just thought I would add a follow up on this in case you were interested
to know what happened, have had the system upgrades already so now has 4
cores and 4GB of RAM, when I initially tried running 2 processes there
was little gain the server only had 1GB of guaranteed RAM at the time
and I'm pretty sure that was the limitation there.

After the upgrade I've already seen the two between them pumping 150Mbit
in each direction with CPU usages of ~90% and ~60%, the new IP is
expected to be online today so should have two further processes up
shortly but I am pretty sure that configuration can probably easily
achieve 400Mbit of capacity for us.

My other concern regarding what the actual network capacity after
sharing might be seems to be looking pretty good after trying a few
(admittedly unscientific) tests. Couple of test downloads from
thinkbroadband's server in UK to the relay in Amsterdam with 8,16 and 64
threads getting a good 70-80MB/s despite the two instances already running.

Of course being a server any contention is more likely going to be on
the other side, but while I can find gigabit capable servers to try
pulling from finding one to try pulling from me is entirely another
story.  I did make a test file if anyone has the connection and 1GB of
bw to try please let me know what you get
http://torexit2.mttjocy.co.uk/1GBtest.bin

On 27/02/13 00:01, Matt Joyce wrote:
> On 26/02/13 23:57, Roger Dingledine wrote:
>> On Tue, Feb 26, 2013 at 11:54:59PM +0000, Matt Joyce wrote:
>>> I'm a little confused though for some reason only two of the instances
>>> show up in atlas, the other one just keeps complaining it isn't in the
>>> cached consensus and isn't seeing any usage either consensus health over
>>> at metrics mentions that instance but nothing more it's reporting blank
>>> for all of them what am I missing?
>> The tor consensus will only list at most 2 relays per IP address. So if
>> you want to run 4 relays, put them on two IP addresses.
>>
>> https://gitweb.torproject.org/torspec.git/blob/HEAD:/proposals/109-no-sharing-ips.txt
>>
>> --Roger
>>
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> Ah, looks like I will need to look at requesting another IP address,
> again finding myself glad I asked the question rather than doing my
> usual try to figure it out myself because I was at a complete loss.
>
>
>
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