フリー問題

問題文

Fast remove is enabled on a FlashBlade file system so that a client can delete a very large directory tree without waiting. Which pair states what happens to the marked directory and when the freed space comes back?

選択肢

1. The two effects are separated in time, so the marked directory leaves the visible timeline and the freed space returns with the later checkpoint in that implementation.
2. The two effects are separated in time, so the marked directory leaves the visible tree and the freed space returns with the later checkpoint in that implementation.
3. The two effects are separated in time, so the marked directory leaves the visible timeline and the freed space returns with the later cleanup in that implementation.
4. The two effects are separated in time, so the marked directory leaves the visible tree and the freed space returns with the later cleanup in that implementation.