Re: big database with very small dump !?

On Mon, 11 Aug 2008, Joao Ferreira gmail wrote:

> I'm finding it very strange that my pg takes 9Giga on disk but
> pg_dumpall produces a 250Mega dump. 'VACUUM FULL' was executed
> yesterday.

If you've been running VACUUM FULL, it's probably so-called "index bloat".
Try running the query at http://wiki.postgresql.org/wiki/Disk_Usage to
figure out where all your space has gone inside the database.

--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD