"Sabin Coanda" <sabin.coanda@xxxxxxxxxxxxx> writes: > A vacuum full command logs the message: > ... LOG: transaction ID wrap limit is 1073822617, limited by database "A" > Sometimes ago, the vacuum full logged: > ... LOG: transaction ID wrap limit is 2147484148, limited by database "A" > What causes that difference of the limit ? The limit is *supposed* to advance. The fact that it jumped this much in one step suggests you're not vacuuming often enough :-( regards, tom lane