Arjen, > I can already confirm very good scalability (with our workload) on > postgresql on that machine. We've been testing a 32thread/16G-version > and it shows near-linear scaling when enabling 1, 2, 4, 6 and 8 cores > (with all four threads enabled). Keen. We're trying to keep the linear scaling going up to 32 cores of course (which doesn't happen, presently). Would you be interested in helping us troubleshoot some of the performance issues? -- --Josh Josh Berkus PostgreSQL @ Sun San Francisco