On Tue, Aug 27, 2013 at 2:26 PM, pg noob <pgnube@gmail.com> wrote:
>
> Hi all,
>
> I recently ran a couple of tests where I took one of my production
> systems and did a drop-in replacement of postgres 8.4 with 9.2.4.
> I was expecting to see some performance improvement given the release
> notes describing 9.2 as a "largely performance related release".
>
> At least for my application, which is an embedded postgresql install
> with a relatively small number of client connections, I'm not seeing much
> of a measurable difference at all.
There were a bunch of different, specific, performance improvements
each with a focused area. Many of them related to reducing contention
in many-CPU systems. If your system wasn't having problems in the
specific areas that were improved, you wouldn't see an improvement.
Cheers,
Jeff
