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

Case study on VPC analysis

You are the Site Reliability Engineer (SRE) in charge of the availability of all the applications of a media company. Your company runs a streaming service where users watch movies, TV series, and other video content. You have been receiving reports from the support team that customers are noticing a decline in the speed at which the movies are loading for watching and from time to time, the video does not stream smoothly. After checking the application, you notice that the application runs fine but the application connects to Amazon Aurora PostgreSQL and you need to check how traffic goes and returns from the application to Amazon Aurora. What actions would you take to investigate this?

Solution

The first step is to create a VPC flow log, because both the application, which will most likely will be in EC2, and the Aurora database are both running on VPCs. Analyze the logs collected in either CloudWatch Logs or Amazon S3. Check the logs where the destination...