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From: Xose Vazquez Perez <xose.vazquez@gmail.com>
To: netdev@vger.kernel.org, jdb@comx.dk
Subject: Re: Loopback performance from kernel 2.6.12 to 2.6.37
Date: Tue, 09 Nov 2010 22:35:24 +0100	[thread overview]
Message-ID: <4CD9BE9C.30003@gmail.com> (raw)

Jesper Dangaard Brouer wrote:

> To fix this I added "-q 0" to netcat.  Thus my working commands are:
> 
>  netcat -l -p 9999 >/dev/null &
>  time dd if=/dev/zero bs=1M count=10000 | netcat -q0 127.0.0.1 9999
> 
> Running this on my "big" 10G testlab system, Dual Xeon 5550 2.67GHz,
> kernel version 2.6.32-5-amd64 (which I usually don't use)
> The results are 7.487 sec:

netcat flavor ?

http://nc110.sourceforge.net/
http://nmap.org/ncat/
http://www.dest-unreach.org/socat/
http://cryptcat.sourceforge.net/
http://netcat.sourceforge.net/
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/nc/

-- 
«Allá muevan feroz guerra, ciegos reyes por un palmo más de tierra;
que yo aquí tengo por mío cuanto abarca el mar bravío, a quien nadie
impuso leyes. Y no hay playa, sea cualquiera, ni bandera de esplendor,
que no sienta mi derecho y dé pecho a mi valor.»

             reply	other threads:[~2010-11-09 21:35 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-09 21:35 Xose Vazquez Perez [this message]
2010-11-10  8:49 ` Loopback performance from kernel 2.6.12 to 2.6.37 Jesper Dangaard Brouer
     [not found] <1288954189.28003.178.camel@firesoul.comx.local>
     [not found] ` <1288988955.2665.297.camel@edumazet-laptop>
     [not found]   ` <1289213926.15004.19.camel@firesoul.comx.local>
     [not found]     ` <1289214289.2820.188.camel@edumazet-laptop>
2010-11-08 15:06       ` Eric Dumazet
2010-11-09  0:05         ` Andrew Hendry
2010-11-09  5:22           ` Eric Dumazet
2010-11-09  6:23             ` Eric Dumazet
2010-11-09  6:30               ` Andrew Hendry
2010-11-09  6:38                 ` Eric Dumazet
2010-11-09  6:42                   ` Eric Dumazet
2010-11-09 13:59         ` Jesper Dangaard Brouer
2010-11-09 14:06           ` Eric Dumazet
2010-11-09 14:16           ` Jesper Dangaard Brouer
2010-11-09 14:25             ` Eric Dumazet
2010-11-18 13:52               ` Eric Dumazet
2010-11-18 17:41                 ` Eric Dumazet
2010-11-18 17:48                   ` David Miller
2010-11-09 14:38             ` Jesper Dangaard Brouer
2010-11-10 11:24               ` Jesper Dangaard Brouer
2010-12-12 15:48                 ` Arnaldo Carvalho de Melo

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