But if you have to hit the buffer pool (memory) then you have to cross the PCIe bus. With fast NVMe storage you might get similar speeds going directly to stora

But if you have to hit the buffer pool (memory) then you have to cross the PCIe bus. With fast NVMe storage you might get similar speeds going directly to storage (e.g. DirectStorage) https://news.ycombinator.com/item?id=25956670 https://news.ycombinator.com/item?id=25956670