Re: 2.2.18Pre Lan Performance Rocks!

Andi Kleen
2000-10-30T12:51:27Z

On Mon, Oct 30, 2000 at 12:47:10PM +0000, Alan Cox wrote:
> > We will never beat NetWare on scaling if this is the case, even in 2.4.
> > Andre and my first job will be to create an arch port with MANOS that
> > disables this and restructures the VM.
>
> In the 2.4 case if you are just running NFS daemons then there are no tlb
> reloads going on at all. Whats murdering you is mostly memory copies. I would
> suspect if you rerun the profiles on a box with a much lower memory bandwidth
> that the effect will be even more visible

I don't think that's true. As far as I can see the nfsd processes do not do the
lazy VM magic (but it would be reasonably easy to add)

-Andi