Chris Bisnett <cbisnett(at)gmail(dot)com> writes:
> The only downside I’ve seen is that this is a global setting and my
> understanding is that this would cause decreased performance when used with
> tables with a lot of writes and deletes. Is there a technical reason this
> setting cannot be applied at the database or table context like other
> autovacuum settings?
There's an autovacuum_freeze_min_age reloption, isn't that
what you need?
regards, tom lane