On Apr 30, 2005, at 15:10 , Cosimo Streppone wrote:
> 1) is it possible to know Pg backend uptime with
> SQL queries? Or must I look at postmaster.pid file?
> or even something else?
I think that the PID file is your best bet.
> 2) how can I know the ip addresses/hostnames of clients
> connecting to server?
I believe that that information is in pg_stat_activity. See:
http://www.postgresql.org/docs/current/static/monitoring.html
> 3) Is there a way to know the number of queries performed
> against Pg backend (by each client)? Can I distinguish
> between selects / updates / inserts / copy / ... ?
I think so, but you have to enable some postgresql.conf settings to
get that information logged.
http://www.postgresql.org/docs/8.0/static/runtime-config.html
Regards,
David
