On Tue, Oct 9, 2012 at 9:14 AM, David Thomas <da...@digitaldogma.org> wrote:
> 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. > At this point I've discovered no other options, so down to the co-lo I go. I'm also going to check power-save options and the RAID controller's built-in configuration to see if I overlooked something there (readahead, blocksize, whatever). Craig > -- > DavidT >
