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Date:	Thu, 17 Apr 2008 13:02:30 +0300
From:	Anton Titov <>
To:	Chris Snook <>
Cc:	"Kok, Auke" <>,
	"H. Willstrand" <>,,
	Jesse Brandeburg <>
Subject: Re: Bad network performance over 2Gbps

On Tue, 2008-04-15 at 16:59 -0400, Chris Snook wrote:
> Still, I think you're on to something here.  Disabling NAPI and instead 
> tuning the cards' interrupt coalescing settings might allow irqbalance 
> to do a better job than it is currently.

Disabling NAPI allowed me to push as much as 3.5Gbit out of the same
server with ~ 20% of time CPUs doing software interrupts.

Anton Titov

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