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Re: [tor-relays] Number of Connections Open



Hi,

on 2011-07-30 21:56 Tim Sally wrote the following:
> Hi!
> 
> I'm working on a model to estimate the number of connections an OR has
> open as a function of the OR's bandwidth. I could really use some help
> confirming that my model is reasonable. Would any relay operators be
> willing to share the results of some variant of netstat | wc -l and
> the bandwidth of the relay?

TORy0,1,2,3 exit:

Old dual quadcore CPU 8 GB running 4 exits on 2 IP's
1 Gb/s into router; then 10Gb/s unsaturated into AMS-IX

echo '' ; echo 'tor'; echo '==='
ps -ef|grep /usr/sbin/tor|grep -v 'grep /usr/sbin/tor'
echo "tcp connects"
netstat -an|grep '137.56.163.64'|grep tcp|wc -l
netstat -an|grep '137.56.163.46'|grep tcp|wc -l

tor
===
106       2499     1 99 Jun29 ?        107951-18:49:47 /usr/sbin/tor -f /etc/tor/tor2.cfg
106       3432     1 99 Jun29 ?        107952-06:11:55 /usr/sbin/tor -f /etc/tor/tor1.cfg
106       3689     1 99 Jun29 ?        107951-14:01:29 /usr/sbin/tor -f /etc/tor/tor3.cfg
106      30113     1 99 Jun29 ?        107951-19:24:07 /usr/sbin/tor -f /etc/tor/tor0.cfg
tcp connects
18147
17552

but it's a lazy Sunday morning in UTC+2; usually I'd expect ~40000.

top - 11:04:00 up 32 days, 19:49,  1 user,  load average: 2.37, 2.04, 1.85
Tasks: 197 total,   5 running, 192 sleeping,   0 stopped,   0 zombie
Cpu0  :  3.0%us,  0.3%sy,  0.0%ni, 93.7%id,  0.0%wa,  0.0%hi,  3.0%si,  0.0%st
Cpu1  : 47.4%us, 39.1%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi, 13.6%si,  0.0%st
Cpu2  :  3.6%us,  0.0%sy,  0.0%ni, 93.4%id,  0.0%wa,  0.0%hi,  3.0%si,  0.0%st
Cpu3  : 53.3%us, 33.4%sy,  0.0%ni,  3.0%id,  0.0%wa,  0.0%hi, 10.3%si,  0.0%st
Cpu4  : 51.5%us, 36.5%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi, 12.0%si,  0.0%st
Cpu5  :  2.3%us,  0.3%sy,  0.0%ni, 93.8%id,  0.0%wa,  0.0%hi,  3.6%si,  0.0%st
Cpu6  : 58.5%us, 31.2%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi, 10.3%si,  0.0%st
Cpu7  :  2.0%us,  0.3%sy,  0.0%ni, 94.0%id,  0.0%wa,  0.0%hi,  3.6%si,  0.0%st
Mem:   8196296k total,  4398000k used,  3798296k free,      464k buffers
Swap:  1048568k total,        0k used,  1048568k free,   461000k cached

cheers,

teun

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