Heikki Linnakangas wrote:
> I think we need a threshold similar to autovacuum_freeze_max_age for
> manual vacuums as well: vacuum_freeze_max_age. If you run VACUUM, and
> relfrozenxid is older than vacuum_freeze_max_age, the visibility map is
> ignored and all pages are scanned.
Would one parameter to control both suffice? (i.e., rename
autovacuum_freeze_max_age to vacuum_freeze_max_age)
