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 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance