| To: | "Brandeburg, Jesse" <jesse.brandeburg@xxxxxxxxx> |
|---|---|
| Subject: | Re: RE: how to tune a pair of e1000 cards on intel e7501-based system? |
| From: | Ray Lehtiniemi <rayl@xxxxxxxx> |
| Date: | Wed, 8 Dec 2004 16:43:10 -0700 |
| Cc: | Scott Feldman <sfeldma@xxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <C925F8B43D79CC49ACD0601FB68FF50C0293B459@orsmsx408> |
| References: | <C925F8B43D79CC49ACD0601FB68FF50C0293B459@orsmsx408> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.6i |
hi jesse
On Tue, Dec 07, 2004 at 05:10:26PM -0800, Brandeburg, Jesse wrote:
>
> I'm not much of an expert, but one easy thing to try is to up your
> receive stack resources, as they were particularly low on 2.4 series
> kernels, leading to udp getting overrun pretty easily with gig nics. I
> think if you make the value go too high it just ignores it, so if you
> see no change, try 256kB instead.
>
> cat /proc/sys/net/core/rmem_default
> cat /proc/sys/net/core/rmem_max
>
> echo -n 512000 > /proc/sys/net/core/rmem_default
> echo -n 512000 > /proc/sys/net/core/rmem_max
sounds reasonable, i'll try this early next week when i have access
to that test box again.
thanks!
--
----------------------------------------------------------------------
Ray L <rayl@xxxxxxxx>
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