Lewis Kapell <lkapell@setonhome.org> 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

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