Help with improving mysql performance on 6.2PRE
kris at obsecurity.org
Thu Oct 12 13:53:43 PDT 2006
On Thu, Oct 12, 2006 at 11:25:48AM +0200, Oliver Fromme wrote:
> Jerry Bell wrote:
> > I have a Dell PE2950 with 2 dual core 3.73Ghz processors and 4G of ram.
> > [...]
> > changed the clock to TSC
> As far as I know, it is unsafe to use TSC on SMP systems.
> Or did that change recently?
It's only on certain systems, apparently.
Note that you have to enable a second sysctl to allow it to actually
use TSC on SMP, not just change the preferred timecounter.
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