> It’s left to the operating system to determine the working set and to transfer pages between main memory and secondary storage Sigh. Good ol' mmap. They shou

> It’s left to the operating system to determine the working set and to transfer pages between main memory and secondary storage Sigh. Good ol' mmap. They should ask MongoDB how they went for them. Then they should read Stonebraker's 1981 paper: http://db.cs.berkeley.edu/cs286/papers/os-cacm1981.pdf http://db.cs.berkeley.edu/cs286/papers/os-cacm1981.pdf People never learn.