On Thu, 14 Sept 2023 at 21:04, PG Bug reporting form
<noreply@postgresql.org> wrote:
> Recently I executed a merge SQL with over 1.5W rows inside PG15.2, which
> caused the database to report a crash error and then terminated all database
> sessions，but changing the merge to insert syntax worked fine, I'm trying to
> understand where this is and if I need to change the settings.
> Below are the DB and OS logs(ID or address data was changed to unreal):
It would be very difficult for us to do anything based on the
information you've supplied here.
Are you able to get a stack trace (See [1]) or come up with a
self-contained script to reproduce it?
I'm also not sure how many rows 1.5W is.
David
[1] https://wiki.postgresql.org/wiki/Getting_a_stack_trace_of_a_running_PostgreSQL_backend_on_Linux/BSD