You may need to change the time(1m) to time(5m) based on your polling interval.
“CREATE CONTINUOUS QUERY “Interface-Traffic-Conversion” ON cacti BEGIN SELECT non_negative_derivative(mean(value), 1s) * 8 AS bitspersec INTO cacti.autogen.“interface.traffic.rollup” FROM cacti.autogen.“interface.traffic” GROUP BY type, description, namecache, time(1m) END”