def process_request(self, request):
        """
        Store memory data to log later.
        """
        if self._is_enabled():
            self._cache.set(self.guid_key, six.text_type(uuid4()))
            log_prefix = self._log_prefix(u"Before", request)
            self._cache.set(self.memory_data_key, self._memory_data(log_prefix))