On Wed, Mar 23, 2022 at 3:59 PM Peter Geoghegan <p...@bowt.ie> wrote: > In other words, since DISABLE_PAGE_SKIPPING doesn't *consistently* > force lazy_scan_noprune to refuse to process a page on HEAD (it all > depends on FreezeLimit/vacuum_freeze_min_age), it is logical for > DISABLE_PAGE_SKIPPING to totally get out of the business of caring > about that -- better to limit it to caring only about the visibility > map (by no longer making it force aggressiveness).
It seems to me that if DISABLE_PAGE_SKIPPING doesn't completely disable skipping pages, we have a problem. The option isn't named CARE_ABOUT_VISIBILITY_MAP. It's named DISABLE_PAGE_SKIPPING. -- Robert Haas EDB: http://www.enterprisedb.com