The new metric adds to the pre-existing CPUUtilization metric which exposes CPU utilization for the server instance as a whole including other operating system and management processes. We recommend that you use both the new EngineCPUUtilization and prior CPUUtilization metrics together to get a detailed understanding of CPU utilization for your Redis environment.
The metric is available in all AWS regions, and you can access this metric using CloudWatch or via the AWS Management Console. There are certain restrictions on the availability of this metric, which are listed here.
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