The five steps
- Add, get, delete 8 min
- Largest files 8 min
- Users and quotas 10 min
- Backup and restore 10 min
- File history 12 min
Build the bookkeeping behind a cloud file store as the spec grows: files and sizes, the largest files under a prefix, users with quotas who can merge accounts, backup and restore, and the size any file had at any point in its history.