netdev - Re: REDIRECT in nat OUTPUT

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Date:	Sat, 12 Jul 2008 17:40:25 +0300
From:	Denys Fedoryshchenko <denys@...p.net.lb>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <dada1@...mosbay.com>
Subject: Re: REDIRECT in nat OUTPUT

Seems i found something. After issuing ethtool -K lo tso on i got significant performance improvement.
Why it is not on by default?
Without it performance is VERY poor.

On Saturday 12 July 2008, Denys Fedoryshchenko wrote:
> There is nothing unusual on oprofile. And seems it is not CPU bottleneck, while i am doing tests it is not loaded 100% (i am using mpstat 1 -P ALL to measure that).
> But i will show first significant lines, if you want i can give full oprofile output, but i dont think it's matter.

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