PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> Expectation for max max_connections is 262143 in PG14, but it cannot be
> achieved:
Why do you think that's the maximum?
If you are looking at MAX_BACKENDS, that is not a limit on
max_connections. It is a limit on max_connections +
autovacuum_max_workers + 1 + max_worker_processes + max_wal_senders;
cf check_max_connections.
regards, tom lane