On Mon, Apr 11, 2011 at 1:42 PM, Glyn Astill <glynastill@xxxxxxxxxxx> wrote: > A wild guess is something like multiple cores contending for cpu cache, cpu affinity, or some kind of contention in the kernel, alas a little out of my depth. > > It's pretty sickening to think I can't get anything else out of more than 8 cores. Have you tried running the memory stream benchmark Greg Smith had posted here a while back? It'll let you know if you're memory is bottlenecking. Right now my 48 core machines are the king of that benchmark with something like 70+Gig a second. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
