Book Image

Infrastructure Monitoring with Amazon CloudWatch

By : Ewere Diagboya
Book Image

Infrastructure Monitoring with Amazon CloudWatch

By: Ewere Diagboya

Overview of this book

CloudWatch is Amazon’s monitoring and observability service, designed to help those in the IT industry who are interested in optimizing resource utilization, visualizing operational health, and eventually increasing infrastructure performance. This book helps IT administrators, DevOps engineers, network engineers, and solutions architects to make optimum use of this cloud service for effective infrastructure productivity. You’ll start with a brief introduction to monitoring and Amazon CloudWatch and its core functionalities. Next, you’ll get to grips with CloudWatch features and their usability. Once the book has helped you develop your foundational knowledge of CloudWatch, you’ll be able to build your practical skills in monitoring and alerting various Amazon Web Services, such as EC2, EBS, RDS, ECS, EKS, DynamoDB, AWS Lambda, and ELB, with the help of real-world use cases. As you progress, you'll also learn how to use CloudWatch to detect anomalous behavior, set alarms, visualize logs and metrics, define automated actions, and rapidly troubleshoot issues. Finally, the book will take you through monitoring AWS billing and costs. By the end of this book, you'll be capable of making decisions that enhance your infrastructure performance and maintain it at its peak.
Table of Contents (16 chapters)
1
Section 1: Introduction to Monitoring and Amazon CloudWatch
5
Section 2: AWS Services and Amazon CloudWatch

Understanding metrics and CloudWatch metrics

A metric is a specific data point that is singled out and further computed to derive meaning from a huge set of data or logs that has been collected. In some cases, there are standard metrics for systems such as operating systems, application servers, or web servers. It is also possible to set up and configure a specific data point that you believe is important to the status and behavior of a system that gives specific insight into all the data that has been collected. The goal behind a metric is to be able to draw insights from data. As mentioned earlier, a metric can be pulled from logs, or it can exist as an entity of its own. Whichever form a metric takes, it is the focal point and is paramount to decision making for monitoring systems. A metric directly feeds into how an alarm is triggered and the conditions surrounding a metric are what determine the state of an alarm in Amazon CloudWatch. There are various terms associated with CloudWatch...