Given the limitations that you had ( move to larger instance, downtime restrictions), you took the most optimal path. Fantastic work! I am in the process of wh

Given the limitations that you had ( move to larger instance, downtime restrictions), you took the most optimal path. Fantastic work! I am in the process of what you did, but across couple hundred instances ( am using pg_upgrade for most but will be using an approach similar to yours where we can't afford downtime).