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

Monitoring DynamoDB

When you look at what metrics you need to concentrate on when monitoring DynamoDB, there are a few that come into focus:

  • Our GET and PUT requests are in the range of what we expected
  • We are not being throttled by either read or write capacity

From the DynamoDB console itself, we can get quite a few metrics regarding our table's health.

First, we can see both read and write capacity at a glance.

There is also a section in the metrics of any table that you choose for basic latency showing four areas of interest: GET, PUT, Query, and Scan Latency.

Let's log in to the Amazon Management Console and take a look at these basic metrics for ourselves:

  1. Log in to the Amazon Management Console using the account you previously created for the projects table in DynamoDB.
  2. In the search box at the top, type DynamoDB so that the service name appears in the results. Click DynamoDB to be taken to the DynamoDB service. On the top...