> > Yes, we can hard-link, and let vacuum remove the old link.
>
> BTW, how does vacuum know which files are obsolete. Does it just delete
> files it doesn't know about?
>
> What a good application for time travel!
>
I assume it removes files with oid's that match pg_class but who's file
names do not match.
-- Bruce Momjian | http://www.op.net/~candle pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026
