On 4 February 2013 17:02, Andres Freund <andres@2ndquadrant.com> wrote:
> I unfortunately don't yet see a robust way without storing the last used
> horizon :(.
We can't go backwards, but we can go forwards.
We can move the next xid forwards by an amount equal to the increase
in vacuum_defer_cleanup_age.
-- Simon Riggs http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services
