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-sharin...
--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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