Lewis Kapell <lkapell@xxxxxxxxxxxxx> writes: > We recently migrated to a new server after having had the old one > running continously for over a year. The first night that we did a > backup, the file produced by pg_dumpall was noticably smaller than the > one we got from the old server prior to the switchover (2.5 GB versus > 3.1 GB). > Is this something we should be alarmed about, It requires investigation at least. Are these the same PG version, or different ones? We modified pg_dump awhile ago to be less verbose, but I think it was only shortening the "comments" a bit; your result sounds too different to be explained by that. regards, tom lane