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

Monitoring SQS and SNS on Amazon CloudWatch

SQS and SNS are similar services used generally as messaging services. SQS is mostly used for application messaging while SNS is mostly used for application-to-device messaging. In most cases, it can be confusing for users to know when to use which service. So, when you want to perform an asynchronous task in an application, SQS is the right service. But when you need to send an email, SMS or request to a HTTP endpoint, SNS is the right option to choose.

Important Note

An asynchronous task is one that does not give feedback immediately. It is usually used when performing batch processing or a huge number of transactions. Those transactions are queued in a messaging system and the transactions/requests are processed intermittently. An example is in the payment of staff salaries; the payment does not come in immediately for everyone, but instead it comes in batches.

SQS is a distributed message queuing service for storing transactional...