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RE: impressive throughput on 2.5.73

To: Scott Feldman <scott.feldman@xxxxxxxxx>
Subject: RE: impressive throughput on 2.5.73
From: Dave Hansen <haveblue@xxxxxxxxxx>
Date: 02 Jul 2003 21:58:49 -0700
Cc: netdev@xxxxxxxxxxx, Nivedita Singhvi <niv@xxxxxxxxxx>
In-reply-to: <C6F5CF431189FA4CBAEC9E7DD5441E010107DA9D@xxxxxxxxxxxxxxxxxxxxxx>
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References: <C6F5CF431189FA4CBAEC9E7DD5441E010107DA9D@xxxxxxxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Wed, 2003-07-02 at 21:41, Feldman, Scott wrote:
> > server, using apache.  I'm impressed that it can fill just 
> > about the entire gigabit pipe, while using less than 1 of the 
> > server's CPUs.  
> 
> 1 PIII CPU per 1GbE interface is a good rule of thumb.  A 10GbE
> interface would consume your 8-way, right?

Sounds right :)

> How many TSO per/second are you doing?  
> 
> # watch "ethtool -S ethX | grep tx_tcp_seg"

ethtool 1.6 fixed my -S problem

~3500, apparently

     tx_tcp_seg_good: 401212
     tx_tcp_seg_failed: 0


-- 
Dave Hansen
haveblue@xxxxxxxxxx


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