Answer:
Memory Utilization of an EC2 instance
Step-by-step explanation:
An EC2 instance is a server that is in terms of virtual in the Amazon Elastic Compute Cloud (EC2) to run the applications over the web services. It is a platform that should be cloud computing for permitting the subscribers of the business in order to run the programs related to the applications
Therefore according to the given situation, the custom metric that should be manually set up is utilization of the memory for EC2 instance