code: func (db *DB) load() error {
  	fi, err := db.file.Stat()
  	if err != nil {
  		return err
  	}
  	if err := db.readLoad(db.file, fi.ModTime()); err != nil {
  		return err
  	}
  	pos, err := db.file.Seek(0, 2)
  	if err != nil {
  		return err
  	}
  	db.lastaofsz = int(pos)
  	return nil
  }
docs: // load reads entries from the append only database file and fills the database.
  // The file format uses the Redis append only file format, which is and a series
  // of RESP commands. For more information on RESP please read
  // http://redis.io/topics/protocol. The only supported RESP commands are DEL and
  // SET.