linux-kernel - Re: 2.6.19-rc1: Volanomark slowdown

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Message-ID: <20061108162955.GA4364@suse.de>
Date:	Wed, 8 Nov 2006 17:29:55 +0100
From:	Olaf Kirch <okir@...e.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	tim.c.chen@...ux.intel.com, linux-kernel@...r.kernel.org,
	davem@...set.davemloft.net, kuznet@....inr.ac.ru,
	netdev@...r.kernel.org
Subject: Re: 2.6.19-rc1: Volanomark slowdown

On Wed, Nov 08, 2006 at 04:55:18PM +0100, Arjan van de Ven wrote:
> I wonder if it's an option to use low priority QoS fields for these acks
> (heck I don't even know if ACKs have such fields in their packet) so
> that they can get dropped if there are more packets then there is
> bandwidth ....

Is it proven that the number of ACKs actually cause bandwidth problems?
I found Volanomark to exercise the scheduler more than anything else,
so maybe the slowdown, while triggered by an increased number of ACKs,
is caused by something else entirely.

Olaf
-- 
Walks like a duck. Quacks like a duck. Must be a chicken.
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