Re: Poor X performance

On 1/14/08, Lance Levsen <lance@catprint.ca> wrote:
> I run a few tens of LTSP clients. The single biggest hit in performance
> comes from NFS over UDP. Conversely the single biggest boost in
> performance is shifting over to TCP.

Interesting, I'd expect the opposite on a reliable LAN. On a slow
link losing packets, I'd expect tcp to be faster...

> It depends on how you're setting up your ltsp systems, whether they are
> local boot/app/X, etc or if they're completely thin (mine are).

PXE boot, no local disks.

> If you're using dhcp for the thins then these two lines are invaluable
> in your subnet global area of dhcpd.conf.
>
> option option-128 e4:45:74:68:00:00;
> option option-129
> "MOPTS=nolock,ro,wsize=2048,rsize=2048,proto=tcp";

I have:

nolock,ro,wsize=2048,rsize=2048
option option-129 code 129=text;
option option-128 e4:45:74:68:00:00;

Maybe I'll try TCP later. Thanks.
Received on Mon Jan 14 16:16:00 2008