It turns out the way I set up file sharing between the front end web server and the app server created immense slowdowns on fedia. I consolidated some things (web server on app server now), which isn’t a long term solution, but will work in the very short term.
I am having to copy media from the s3 storage bucket back to a local directory - that is going to take a long time and images on the site are going to be broken until that finishes - hopefulle overnight.
There are still a few lingering error 500s and I will tackle that tomorrow evening.
it appears to (mostly) be due to some database issues - I am trying to learn the schema and relationships and find/fixing the discontinuities