On Fri, Jun 11, 2021 at 7:55 PM Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > > [...] > > If you can afford to wait, it'd be interesting to see what happens. It's been running for a few days now and heap_blks_vacuumed / heal_blks_total is around 74% at present. If it continues at the current rate, we will most probably let it complete. In any case, we will keep it running over the weekend at least. > Looking at the code, it looks to me like what's probably happening is > that those errors are coming from auto-analyze attempting to update > pg_statistic. That should not, however, prevent auto-vacuum from > cleaning things up and advancing the transaction threshold limit, > because the catalog updates that are needed for that are nontransactional > and so don't need to consume XIDs. > > I wonder whether we should disable auto-analyze once we get into > vacuum-for-wraparound mode. But in any case, it'd be useful to > see whether there's an actual bug in there. > > It'd also be useful to know exactly which PG version you are running. PG version 9.6.22. Missed mentioning it earlier, sorry about that. > > regards, tom lane Thanks, Vineet
