Zitat von Anderson Valadares <andervalbh@gmail.com>:
> Hello,
> we have a client with AIX version 7.1 what is using PostgreSQL 9.3.5
> compiled with GCC 4.6.4 wonder if it's appropriate or would you rather use
> the XLC to obtain a better performance?
>
> Regards
>
> Anderson
IMHO most of the performance for a database is I/O related and a
result of the layout and the application. Code optimizer may result in
some low one digit percentage changes, so no need to optimize for most
cases.
Regards
Andreas