Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By: Adam Book

Overview of this book

The AWS Certified DevOps Engineer certification is one of the highest AWS credentials, vastly recognized in cloud computing or software development industries. This book is an extensive guide to helping you strengthen your DevOps skills as you work with your AWS workloads on a day-to-day basis. You'll begin by learning how to create and deploy a workload using the AWS code suite of tools, and then move on to adding monitoring and fault tolerance to your workload. You'll explore enterprise scenarios that'll help you to understand various AWS tools and services. This book is packed with detailed explanations of essential concepts to help you get to grips with the domains needed to pass the DevOps professional exam. As you advance, you'll delve into AWS with the help of hands-on examples and practice questions to gain a holistic understanding of the services covered in the AWS DevOps professional exam. Throughout the book, you'll find real-world scenarios that you can easily incorporate in your daily activities when working with AWS, making you a valuable asset for any organization. By the end of this AWS certification book, you'll have gained the knowledge needed to pass the AWS Certified DevOps Engineer exam, and be able to implement different techniques for delivering each service in real-world scenarios.
Table of Contents (31 chapters)
1
Section 1: Establishing the Fundamentals
7
Section 2: Developing, Deploying, and Using Infrastructure as Code
16
Section 3: Monitoring and Logging Your Environment and Workloads
21
Section 4: Enabling Highly Available Workloads, Fault Tolerance, and Implementing Standards and Policies
27
Section 5: Exam Tips and Tricks

A closer look at CloudWatch metrics

In the previous chapter, we looked at the CloudWatch service and examined a few of the features that it offered. We even touched on the topic of metrics when creating our alarm.

Metrics, when it comes to applications and monitoring, is data. Many times, this is lots of data streaming constantly. This data is used not only from a technical perspective but also from a business perspective to see how the company is performing.

Metrics are fundamental in CloudWatch. When recorded, a metric represents a time-ordered set of data points that are then published to the CloudWatch service.

Metrics endure in a single region. This means that if you have a multi-region environment, then the metrics for the different resources will be gathered and stored in the same region where the resources have been created and have been running at a point in time. Although you cannot delete metrics, they do expire automatically after 15 months.

A namespace...