On Thu, Mar 1, 2012 at 5:25 AM, Ivan Voras <ivoras@freebsd.org> wrote:
>
> One interesting thing I've discovered recently is that there is a HUGE
> difference in performance between CentOS 6.0 and Ubuntu Server 10.04
> (LTS) in at least the memory allocator and possibly also multithreading
> libraries (in favour of CentOS). PostgreSQL shouldn't be particularly
> sensitive to either of these, but it makes me wonder what else is
> suboptimal in Ubuntu.
To be fair, RHEL6 was released 7 months after Ubuntu 10.04. But
Redhat is pretty good at kernel patching for optimizations ertc. I'd
be more interested in comparisons with ubuntu 12.04, due out next
month.