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)
Section 1: Introduction to Monitoring and Amazon CloudWatch
Section 2: AWS Services and Amazon CloudWatch

Working with dashboards

Sometimes, a graph might look empty as maybe the data is not available at that time. Using the time configuration in the top-right corner of a dashboard can work like a time machine to go back in time to view historic data on the dashboard. It has the option of going back in time by minutes, hours, days, weeks, or months:

Figure 3.9 – Date/time option on the CloudWatch dashboard

The dashboard can also lead you to the raw logs that are generating the dashboard, making it possible to view the raw data that is collected directly from the source, which could be an EC2 instance, a Lambda function, or any other AWS service where the raw logs are coming from:

Figure 3.10 – Viewing logs

The red underlined icon gives access to view the logs for this particular dashboard. The other icons after that are to refresh, expand, and get more options on the dashboard, which include editing, deleting, or even changing...