> > The main problem here is that "Amazon Aurora" is not PostgreSQL. > If I understand Amazon's documentation, what you are using is > officially named "Amazon Aurora with PostgreSQL Compatibility", > and that sums is up quite nicely: Aurora is a database engine > developed at Amazon - and it's inner workings are not publically > documented. > Whatever is using up that disk space - only AWS Support can know. Correct. Aurora is basically forked PG code, but with a different I/O layer. That explains why they are quite behind community PG in versions.