Favorite node / libc impedance mismatch is the stat() call. stat() returns an inode, which is a 64 bit integer. But JS doesn't have 64 bit integers, so it just

Favorite node / libc impedance mismatch is the stat() call. stat() returns an inode, which is a 64 bit integer. But JS doesn't have 64 bit integers, so it just gets rounded to the closest representable double. So node will sometimes identify two different files as the same file. https://github.com/nodejs/node/issues/12115 https://github.com/nodejs/node/issues/12115