> Of course if you don't care about downtime just shut down your database server, make a backup(!), and then do pg_upgrade. I think this is the right answer fo

> Of course if you don't care about downtime just shut down your database server, make a backup(!), and then do pg_upgrade. I think this is the right answer for 99% of companies. Yes, everyone wants zero downtime, but I see incredibly few cases where it is actually worth the cost and effort.