Dave Cramer <pg@fastcrypt.com> writes:
> AFAIK, the problem was the buffer manager
The buffer manager was the place that seemed to be hit hardest by Xeon's
problems with spinlock contention. I think we've partially fixed that
issue in 8.1, but as we continue to improve the system's performance,
it's likely to surface as a bottleneck again in other places.
regards, tom lane