netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* Re: TCP Network performance degade from 2.4.18 to 2.6.10
       [not found] ` <LEXUSAX3cf3ednHM3SO00000be8@lexus.moschip.com>
@ 2005-09-28 16:35   ` Stephen Hemminger
  0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2005-09-28 16:35 UTC (permalink / raw)
  To: Eshwar; +Cc: linux-kernel, netdev

On Wed, 28 Sep 2005 10:42:22 +0530
"Eshwar" <eshwar@moschip.com> wrote:

> HI all,
> 
> I observed there is huge network performance drop from linux 2.4 to 2.6 with
> the same setup (No hardware changes..). The results are taken in PIV
> processor with D-Link network card... with iperf ... Can some body help me
> why such a huge difference... in TCP stream... 
> 
> In linux 2.4 (Redhat 9)
> 
> DLink	
>     TCP              UDP
> Tx       94.3Mbps    Tx               95 Mbps
> Rx       94.2 Mbps   Rx               95 Mbps
> 
> In linux 2.6.10 (Fedora Core 4)
> DLink	
> 	 TCP                     UDP
> Tx       64.3 Mbps 	Tx               87 Mbps
> Rx       88.1 Mbps      Rx               95 Mbps
> 
> 
> Thanks & Regards
> Eshwar

Please send network performance discussion to netdev@vger.kernel.org

A lot more information is needed, like:
	* which hardware is on both ends of the test (lscpci)
	* any TCP configuration issues
	* any errors reported.
	* netfilter and firewalling.

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2005-09-28 16:35 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <20050726130329.GA3215@ucw.cz>
     [not found] ` <LEXUSAX3cf3ednHM3SO00000be8@lexus.moschip.com>
2005-09-28 16:35   ` TCP Network performance degade from 2.4.18 to 2.6.10 Stephen Hemminger

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).