On 2014-10-09 18:03:00 -0300, Alvaro Herrera wrote: > Bruce Momjian wrote: > > > I agree this is a serious problem. We have discussed various options, > > but have not decided on anything. The TODO list has: > > > > https://wiki.postgresql.org/wiki/Todo > > > > Improve setting of visibility map bits for read-only and insert-only > > workloads > > > > http://www.postgresql.org/message-id/20130906001437.ga29...@momjian.us > > I hate to repeat myself, but I think autovacuum could be modified to run > actions other than vacuum and analyze. In this specific case we could > be running a table scan that checks only pages that don't have the > all-visible bit set, and see if it can be set.
Isn't that *precisely* what a plain vacuum run does? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
