On Thu, Jul 9, 2020 at 6:57 PM Konstantin Knizhnik <k.knizh...@postgrespro.ru> wrote: > 2. Remember in relation info XID of oldest active transaction at the > moment of last autovacuum. > At next autovacuum iteration we first of all compare this stored XID > with current oldest active transaction XID > and bypass vacuuming this relation if XID is not changed.
This option looks good for me independently of the use case under consideration. Long-running transactions are an old and well-known problem. If we can skip some useless work here, let's do this. ------ Regards, Alexander Korotkov
