[Tor-BSD] NYCBUG OpenBSD tor relay - May update

Brian Callahan bcallah at devio.us
Tue May 28 13:08:44 EDT 2013

On 5/14/2013 1:38 PM, Brian Callahan wrote:
> Hi tor-bsd --
> Here's the monthly update of the NYCBUG OpenBSD tor relay:
> * Officially named nycbug1.nycbug.org (or NYCBUG1) if you want to look
> up stats.
> * Updated to Tor 0.2.12-alpha.
> * It's sending about 46 GB/day and receiving about 45.5 GB/day.
> * If you're looking to run an OpenBSD tor relay of your own, I suggest
> raising ulimit -n. I'm not sure what is best at the moment, but ulimit
> -n 1024 doesn't seem to be good enough.

Update on the ulimit -n thing: raising ulimit -n to 8192 looks like it 
does nicely.

Thanks to George for pointing me to this thread: 

With ulimit -n 8192, the OpenBSD relay now sends over 54 GB/day and 
receives about 53.5 GB/day. This seems to be a significant improvement 
from running ulimit -n 1024 (sending 46 GB/day and receiving 45.5 
GB/day). But I realize that's unscientific and other factors could be at 

But ulimit -n is something to keep in mind when running an OpenBSD tor 


> * Starting with Tor 0.2.12-alpha, the heartbeat log now shows TLS write
> overhead. This machine averages 6% overhead. I'm sure this stat is one
> of those the-lower-the-better stats. I do not know if 6% is good,
> average, or otherwise (I have nothing to compare to) but I am assuming
> that it is good, based on the amount of traffic the machine is pushing
> in both directsion.
> That's all I can think of at the moment. If anything else comes to mind,
> I'll be sure to let everyone know.
> ~Brian

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