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SubjectRe: 2.6.19-rc1: Volanomark slowdown
On Wed, 2006-11-08 at 23:10 +0100, Olaf Kirch wrote:
> What I'm saying though is that it doesn't rhyme with what I've seen of
> Volanomark - we ran 2.6.16 on a 4p Intel box for instance and it didn't
> come close to saturating a Gigabit pipe before it maxed out on CPU load.

That actually supports the hypothesis doesn't it? The issue being the
increased number of ACKs causing additional CPU overhead not saturating
a NIC if any involved.

One of these days I may have to try to look more closely at what volano
does relative to netperf - I remember that someone tried very hard (was
it you alexy?) to show a perfomance effect with netperf and it didn't do
it :(

rick jones

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