From: Daniel Waite <rabbitblue@...>
Date: 2008-11-26T17:23:34+09:00
Subject: Re: Ruby + FreeBSD = bandwidth killer?

Sean Mehan wrote:
> Have you got any netstat data between the two boxes?
> 
> netstat with -a, b, m, s might show some interesting diffs  ....

Hmm... each of those show a ton of information. Not sure what you'd want 
to look at.

Here's a snippet of netstat -p tcp on Leopard:

Active Internet connections
Proto Recv-Q Send-Q  Local Address          Foreign Address 
(state)
tcp4       0      0  192.168.1.100.54298    iw-in-f103.googl.http 
SYN_SENT
tcp4       0      0  192.168.1.100.54297    eh-in-f99.google.http 
FIN_WAIT_1
tcp4       0      0  192.168.1.100.54174    iw-in-f103.googl.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54171    iw-in-f103.googl.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54170    iy-in-f127.googl.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54169    cf-in-f165.googl.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54163    gx-in-f165.googl.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54159    server.andreas-s.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54158    server.andreas-s.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54157    server.andreas-s.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.54154    server.andreas-s.http 
CLOSE_WAIT
tcp4       0      0  192.168.1.100.52363    205.188.13.40.aol 
ESTABLISHED
tcp4       0      0  192.168.1.100.52362    caim-m04b.blue.a.aol 
ESTABLISHED
tcp4       0      0  192.168.1.100.52361    oam-m01b.blue.ao.aol 
ESTABLISHED
tcp4       0      0  192.168.1.100.52360    205.188.8.196.aol 
ESTABLISHED
tcp4       0      0  192.168.1.100.52358    kc-in-f125.googl.jabbe 
ESTABLISHED
tcp4       0      0  192.168.1.100.54144    eh-in-f99.google.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54143    iw-in-f104.googl.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54142    eh-in-f99.google.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54146    eh-in-f99.google.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54145    iw-in-f104.googl.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54149    iw-in-f104.googl.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54148    eh-in-f99.google.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54147    iw-in-f104.googl.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54151    iw-in-f104.googl.http 
TIME_WAIT
tcp4       0      0  192.168.1.100.54150    eh-in-f99.google.http 
TIME_WAIT
... goes on with many more connections to Google...

Based on this bit of Ruby:

loop { Hpricot(open('http://google.com')) }

I get similar output on the FreeBSD machine.
-- 
Posted via http://www.ruby-forum.com/.