Yeah the high level information is good, and the buffer cache analysis is super neat. I haven't seen that kind of thing elsewhere. It's a great article to expla

Yeah the high level information is good, and the buffer cache analysis is super neat. I haven't seen that kind of thing elsewhere. It's a great article to explain why performances differences exist. My list of gripes is probably more about Amazon marketing suggesting that something is big or high-performance or scalable when it's... not. If you're something like a bank, you need synchronous replication, but a lot of use-cases would probably be fine with async with a couple ms RPO. Then again most people probably don't need more than a few thousand writes/second anyway. For banks, I worked on storage arrays at IBM ~10 years ago, and I think our synchronous replication was sub 100 us, but can't remember anymore.