Exactly! Doing this. There are ways to do this fortunately (Redis does this actually... in order to report the amount of copy-on-write performed during save, yo

Exactly! Doing this. There are ways to do this fortunately (Redis does this actually... in order to report the amount of copy-on-write performed during save, you may want to check the code if you are curious, it is pretty trivial, and it is possible thanks to /proc/<pid>/smaps info). You were right! Please check: https://news.ycombinator.com/item?id=8553666 https://news.ycombinator.com/item?id=8553666