code: def statistic_record(self, desc=True, timeout=3, is_async=False, only_read=True, *keys):
          
          if len(keys) == 0:
              records = self._generate_statistic_records()
          else:
              records = self._generate_statistic_records_by_keys(keys)
          return sorted(records, key=lambda t: t['hit_counts'], reverse=desc)
docs: Returns a list that each element is a dictionary of the statistic info of the cache item.