Elements of Amazon CloudWatch

To understand and work with AWS-generated and custom metrics, it is important to understand a few basic concepts and terminologies used with Amazon CloudWatch, which are as follows:

• Namespaces
• Metrics
• Dimensions
• Statistics
• Percentile
• Alarms

Namespaces

CloudWatch namespaces are containers in which metrics for different applications are stored. It is a mechanism to isolate the metrics of different applications from each other. Namespaces ensure that an application's metrics, as well as respective statistical data, are not accidentally mixed up with any other application's metrics. All the AWS services that use CloudWatch to register their metrics use a unique namespace. A namespace name...