I'm not really convinced by the comment on NOTIFY instead of the inferior (at least in theory) polling, I expect the global queue if it's really global to be on

I'm not really convinced by the comment on NOTIFY instead of the inferior (at least in theory) polling, I expect the global queue if it's really global to be only a temporary location to collect notifications before sending them and not a bottleneck. Never did any benchmark with PG or Oracle (that has a similar feature) but I expect that depending on the polling frequency and average amount of updates each solution could be the best depending on the circumstances.