On Tue, Dec 06, 2005 at 03:01:02PM -0600, Brandon Metcalf wrote:
> We're running a dual Xeon machine with hyperthreading enabled and
> PostgreSQL 8.0.3.
The two single most important things that will help you with high rates of
context switching:
- Turn off hyperthreading.
- Upgrade to 8.1.
t == [EMAIL PROTECTED] writes:
t> "Brandon Metcalf" <[EMAIL PROTECTED]> writes:
t> > We've been tuning the kernel (2.4 SMP flavor) and have improved
t> > performance quite a bit. I'm now wondering if turning off HT will
t> > improve performance even more. Based on the vmstat output below, is
"Brandon Metcalf" <[EMAIL PROTECTED]> writes:
> We've been tuning the kernel (2.4 SMP flavor) and have improved
> performance quite a bit. I'm now wondering if turning off HT will
> improve performance even more. Based on the vmstat output below, is
> the context switching typical or too high?
G
We're running a dual Xeon machine with hyperthreading enabled and
PostgreSQL 8.0.3. Below is the type of CPUs:
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.20GHz
stepping: 1
cpu MHz
