From: Ray Lehtiniemi <rayl@mail.com>
To: "Brandeburg, Jesse" <jesse.brandeburg@intel.com>
Cc: Scott Feldman <sfeldma@pobox.com>, netdev@oss.sgi.com
Subject: Re: RE: how to tune a pair of e1000 cards on intel e7501-based system?
Date: Wed, 8 Dec 2004 16:43:10 -0700 [thread overview]
Message-ID: <20041208234310.GE8649@mail.com> (raw)
In-Reply-To: <C925F8B43D79CC49ACD0601FB68FF50C0293B459@orsmsx408>
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@mail.com>
prev parent reply other threads:[~2004-12-08 23:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-08 1:10 how to tune a pair of e1000 cards on intel e7501-based system? Brandeburg, Jesse
2004-12-08 23:43 ` Ray Lehtiniemi [this message]
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