Posted On: Dec 19, 2018

You can now create alarms on metric math expressions such as +, -, /, *, and mathematical functions such as Sum, Average, Min, Max, and Standard Deviation. This enables you to create thresholds and set automated actions to fix operational issues. 

You can leverage Amazon CloudFormation templates to create and modify metric math alarms consistently across your Amazon Web Services resources and applications. Recently triggered alarms on metric expressions alarms are instantly added to the new CloudWatch Automatic Dashboards, accelerating root cause analysis.

Metric Math Alarms are available in  Amazon Web Services  China (Beijing) region, operated by Sinnet, and  Amazon Web Services  China (Ningxia) region, operated by NWCD. You can learn more about how to create Metric Math Alarms here. You can find more information about Amazon CloudWatch on the product page