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> On Mon, Oct 11, 2010 at 04:27:13PM +0200, Patric Falinder wrote:
> > I'm running Debian Lenny x64 with Postfix 2.5.5 with VDA patch.
> VDA is supported where?
> > It's virtualized on a VMWare ESX server.
> > Don't really know what tick-less timer support is so I guess I don't use
> > it unless it's standard in Debian!?
> Sure it is.
> | $ grep NO_HZ /boot/config-2.6.26-2-amd64
> | CONFIG_NO_HZ=y
> If this would be a common problem, I would expect at least one bug for
> this, but I didn't find any. VMWare ESX is not that exotic. So it is
> either related to you patches or your specific configuration.
Actually, lost timer interrupts are a known problem with virtual
execution environments. They are less of a problem for web servers,
but can affect programs with more complex scheduling requirements
such as Postfix.