My #GoToSocial instance is back up. Here's a helpful reminder to fellow admins: don't be like me and leave Monit watching over your site. The migration takes longer than the 10–15min that my Monit config would allow, restarting the server even though migration wasn't finished.
https://alexschroeder.ch/view/2024-10-27-upgrade-gotosocial
Another thing to note for the #GoToSocial upgrade is that I ran 16.0 using a ssystemd MemoryMax of 200M; today the upgraded instance with 17.1 ran fine for a while and then locked up. A restart didn't bring it back. It remained stuck after a log message saying something about compiling WebAssembly. I increased MemoryMax to 300M, no change. I increased it to 500M and the instance came up. Just in case you're as memory-stingy as I am...