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.»
next 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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