There is definitely something wrong with your install; you should be getting much better performance with this hardware.
Try having postgres do an explicit vacuum. If you’re running the all-in-one container install:
# docker exec -it -u postgres app psql discourse
psql (13.1 (Debian 13.1-1.pgdg100+1))
Type "help" for help.
discourse=# VACUUM ANALYZE;
How many unicorn workers do you have set in your app.yml?
You can ask Discourse to set additional performance headers in responses with the following in your
While you’re at it, you can enable miniprofiler by following this post.