Role-Based Access Control: Why It Often Slows Client Sites and What to Do About It
https://padlet.com/melissamayer31lkurf/bookmarks-9o1xvio439ncb3n1/wish/J24jalr1pX6mZ0A1
That moment changed everything for me: I was debugging a client site that crawled under load, then discovered the culprit was not caching or the database engine - it was the authorization layer