def get_override_configuration(self):
        """
        Some parameters can give as 'overridden parameters' like use_timezone
        so they will be mixed (in the scheduler) with the standard conf sent by the arbiter

        :return: dictionary of properties
        :rtype: dict
        """
        res = {}
        properties = self.__class__.properties
        for prop, entry in list(properties.items()):
            if entry.override:
                res[prop] = getattr(self, prop)
        return res