On Mon, Oct 08, 2012 at 04:40:31PM -0700, Craig James wrote:
> Nobody has commented on the hyperthreading question yet ... does it
> really matter? The old (fast) server has hyperthreading disabled, and
> the new (slower) server has hyperthreads enabled.
> If hyperthreading is definitely NOT an issue, it will save me a trip to
> the co-lo facility.
From my reading it seems that hyperthreading hasn't been a major issue
for quite sometime on modern kernels.
http://archives.postgresql.org/pgsql-performance/2004-10/msg00052.php
I doubt it would hurt much, but I wouldn't make a special trip to the
co-lo to change it.
--
DavidT
