> 1. No disks or other persistent storage at all. > 2. No multi-threading. > 3. No locks. > 4. No redo logs (and perhaps not a lot of undo logs either). Wel

> 1. No disks or other persistent storage at all. > 2. No multi-threading. > 3. No locks. > 4. No redo logs (and perhaps not a lot of undo logs either). Well, 3/4 Redis!