linux-kernel - Re: Network performance

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Message-ID: <1269884717.1958.2.camel@edumazet-laptop>
Date:	Mon, 29 Mar 2010 19:45:17 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	michal.simek@...alogix.com
Cc:	LKML <linux-kernel@...r.kernel.org>,
	John Williams <john.williams@...alogix.com>,
	netdev@...r.kernel.org, Grant Likely <grant.likely@...retlab.ca>,
	John Linn <John.Linn@...inx.com>,
	"Steven J. Magnani" <steve@...idescorp.com>,
	Arnd Bergmann <arnd@...db.de>, akpm@...ux-foundation.org
Subject: Re: Network performance - iperf

Le lundi 29 mars 2010 à 17:27 +0200, Michal Simek a écrit :
> Michal Simek wrote:
> > Eric Dumazet wrote:
> >> Le lundi 29 mars 2010 à 13:33 +0200, Michal Simek a écrit :
> >>
> >>> Do you have any idea howto improve TCP/UDP performance in general?
> >>> Or tests which can point me on weak places.
> >>
> >> Could you post "netstat -s" on your receiver, after fresh boot and your
> >> iperf session, for 32 MB and 256 MB ram case ?
> >>
> > 
> > I am not sure if is helpful but look below.
> > 
> Sorry I forget to c&p that second part. :-(
> 

Sorry, your netstat is not up2date.

If you cannot correct it to last version
[ net-tools 1.60 , netstat 1.42 ], please send

cat /proc/net/snmp
cat /proc/net/netstat


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