Bruce Momjian <[EMAIL PROTECTED]> writes: > Tom Lane wrote: >> That's a good kluge, but still a kluge: it doesn't completely guarantee >> that no one else connects while pg_upgrade is trying to do its thing.
> I was thinking about using GUC: > #max_connections = 32 > #superuser_reserved_connections = 2 > Set both of those to 1, and you lock out everyone but the super-user. You're missing the point: I don't want to lock out everyone but the super-user, I want to lock out everyone, period. Superusers are just as likely to screw up pg_upgrade as anyone else. BTW: $ postmaster -N 1 -c superuser_reserved_connections=1 postmaster: superuser_reserved_connections must be less than max_connections. $ regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]