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From: Francois Romieu <romieu@cogenit.fr>
To: Jan Kasprzak <kas@informatics.muni.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: VM tuning for Linux routers
Date: Sat, 17 Nov 2001 13:41:27 +0100	[thread overview]
Message-ID: <20011117134127.A8041@se1.cogenit.fr> (raw)
In-Reply-To: <20011116090322.G20714@informatics.muni.cz>
In-Reply-To: <20011116090322.G20714@informatics.muni.cz>; from kas@informatics.muni.cz on Fri, Nov 16, 2001 at 09:03:22AM +0100

Jan Kasprzak <kas@informatics.muni.cz> :
[...]
> 	I have a dual Athlon w/ 512M RAM and three NICs (one gigabit
> 3c985B running 802.1Q with 5 VLANs, two on-board 100Mbit 3c982). This box
> has almost nothing other to do apart from routing and packet filtering.
> Is there anything I can do to tell the VM system to use as much memory
> for network packets as possible?

In a sysctl fashion ? No.
However you can increase the length of the Rx/Tx rings on the 100Mb/s side 
and tune the pci latency timers (depends on the hardware fifo size). 

-- 
Ueimor

  reply	other threads:[~2001-11-17 12:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-16  8:03 Jan Kasprzak
2001-11-17 12:41 ` Francois Romieu [this message]
2001-11-17 16:42   ` Bernd Eckenfels
2001-11-18 13:54     ` Francois Romieu
2001-11-20  3:29       ` Bernd Eckenfels
2001-11-20 18:58         ` Francois Romieu
2001-11-20 20:35       ` Bernd Eckenfels
2001-11-20 21:47         ` Francois Romieu
2001-11-22  8:23     ` Jan Kasprzak

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