"Pasquale" <pasquale.napolitano@gmail.com> writes:
> I don't connect any more to postres db because postgres needs to vacuum
> operation.
> Then, i use a standalone backend to connect to postgres db.
> Now i'm im in backend> and i write VACUUM FULL.
You don't really need VACUUM FULL, only VACUUM.
> I have this message:
> WARNING: database "postgres" must be vacuumed within 999455 transactions
> HINT: To avoid a database shutdown, execute a full-database VACUUM in
> "postgres".
> 999453
It's not an error, only a warning. You'll get a couple of those for
each table in the VACUUM, but after you finish it should stop complaining.
regards, tom lane