Re: PostgreSQL 9.2 benchmarks

[Mindaugas Rasiukevicius <rmind@xxxxxxxxxx>]

Hello,

Francois Tigeot <ftigeot@wolfpond.org> wrote:
> I took advantage of an available dual-Xeon box to do some scalability
> benchmarking.
> 
> <...>
> 
> Results with graphs are in the attached PDF file.
> 
> Some rapid conclusions:
> - Scientific Linux smokes all other operating systems
> - DragonFly and FreeBSD performance is mostly the same, FreeBSD degrades
>   faster under high loads
> - NetBSD has trouble handling high numbers of database clients but still
>   manages to scale when numbers are low
> - Keeping processes on the same location they last ran on increases
>   performance by a few percents

Would you be able to try using local UNIX socket?  NetBSD should have
nearly linear scalability, unless there is some regression.  Going through
127.0.0.1 is what kills us, I believe.

Thanks.

-- 
Mindaugas