<dave@xxxxxxxxxxxxxx> writes: > @@TRANCOUNT: Transaction count. > How many transactions are open at the moment. > I’m not seeing anything that looks appropriate. As far as I can see it might be possible to do something using the Statistics Collector, see https://www.postgresql.org/docs/13/monitoring-stats.html Yeah, something like this should do for that: select count(*) from pg_stat_activity where state is not null; regards, tom lane