"Francesco Dalla Ca'" <f.dallaca@xxxxxxxxx> writes: > What's the mean for 'backend', 'postmaster' and 'sighup' context of a > parameter? How i can know if a parameter is modifiable only with a > server restart, rather than a 'pg_ctl reload' (sighup?) or a "SET/ALTER > USER/ALTER DATABASE" command? The ones that say "postmaster" are the ones that require postmaster restart. regards, tom lane