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
next prev parent 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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