Re: [8.0.0] out of memory on large UPDATE

"Marc G. Fournier" <scrappy@postgresql.org> writes:
> The table contains ~10 million rows:

> # time psql -c "UPDATE xa_url SET url = url;" -U pgsql pareto
> ERROR:  out of memory
> DETAIL:  Failed on request of size 32.

If you've got any AFTER UPDATE triggers on that table, you could be
running out of memory for the pending-triggers list.

            regards, tom lane