Amazon CloudWatch Metric Math now supports 14 new functions including RUNNING_SUM, TIME_SERIES, and DATAPOINT_COUNT. Two new FILL variants, two logarithmic functions, two functions for calculating the difference between each datapoint, and five time functions are also now supported. With CloudWatch Metric Math, you can aggregate and transform metrics to create custom visualizations of your health and performance metrics. The new functions announced today allow you to view the logarithmic values of your metric, better visualize the change in latency over time, and calculate the cumulative sales of a product.
Source:: Amazon AWS