Export the stats to the Statsd server.

def export(self, name, columns, points):
        """Export the stats to the Statsd server."""
        for i in range(len(columns)):
            if not isinstance(points[i], Number):
                continue
            stat_name = '{}.{}.{}'.format(self.prefix, name, columns[i])
            stat_value = points[i]
            tags = self.parse_tags(self.tags)
            try:
                self.client.send(stat_name, stat_value, **tags)
            except Exception as e:
                logger.error("Can not export stats %s to OpenTSDB (%s)" % (name, e))
        logger.debug("Export {} stats to OpenTSDB".format(name))