Gustavo Franklin Nóbrega wrote:
Hi Willian,
Which are the GCC flags that you it used to compile PostgreSQL?
Best regards,
Gustavo Franklin Nóbrega Infraestrutura e Banco de Dados Planae Tecnologia da Informação (+55) 14 3224-3066 Ramal 209 www.planae.com.br
I just finished upgrading the OS on our Opteron 148 from Redhat9 to Fedora FC2 X86_64 with full recompiles of Postgres/Apache/Perl/Samba/etc.
The verdict: a definite performance improvement. I tested just a few CPU intensive queries and many of them are a good 30%-50% faster. Transactional/batch jobs involving client machines (i.e. include fixed client/networking/odbc overhead) seem to be about 10%-20% faster although I will need run more data through the system to get a better feel of the numbers.
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