How to Write to SSDs [pdf]

I feel fooled after clicking on the link and seeing that this PDF is downloading (or just literally writing to my SSD) until I realized that this is the point

SMR Hard Drives have very different rules about how you should access them vs conventional hard drives or SSDs. I wonder how much optimizing for SMR drives (Big sequential writes) would also optimize for other drive types.

this is the kind of research that creates new db types, or super optimized postgres im not sure yet