"Sriram Dandapani" <sdandapani@xxxxxxxxxxxxxxx> writes: > I get error messages on the console that says > WARNING: database "xxx" must be vacuumed within 10094646 transactions > I shutdown, restart pg and issue a vacuumdb -f <database> The shutdown/restart was a waste of typing, and -f doesn't really help here either. > I still get messages saying database must be vacuumed and the > transaction count keeps decreasing. I'll bet a nickel you did not run the vacuum as superuser. It has to be done by a superuser to have permission to vacuum every table in the database (including system catalogs). regards, tom lane