>-----Original Message-----
>From:
pgsql-performance-owner@postgresql.org [mailto:
pgsql-performance- >
>> Hi everyone,
>> What is the best Linux flavor for server which runs postgres alone.
>> The postgres must handle greater number of database around 200+.
>Performance
>> on speed is the vital factor.
>> Is it FreeBSD, CentOS, Fedora, Redhat xxx??
>
>As others mention FreeBSD is somewhat different from the others. I
>personally prefer FreeBSD because that it what I do best. If you don't
>have any prior experiences with FreeBSD/Linux spent some time
>installing them and install some ports/apps. Try to become aquainted
>with the update tools using the command line interface, csup on
>FreeBSD, apt on debian/ubuntu.
I'm running Postgres on NetBSD and RHEL4. I haven't noticed any particular differences in Postgres performance due to the OS, but then again I haven't performed any kind of formal benchmarks, nor am I really stressing the database all that much (most of the time).