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AWS Certified DevOps Engineer - Professional Certification and Beyond

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
3.4 (8)
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AWS Certified DevOps Engineer - Professional Certification and Beyond

AWS Certified DevOps Engineer - Professional Certification and Beyond

3.4 (8)
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)
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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 Lambda functions

Your job is not done once you have developed and deployed your Lambda function. To ensure that it is functioning correctly as it runs, specific metrics should be monitored. Fortunately, Lambda integrates with several other AWS services to help you not only monitor your functions but also troubleshoot them when the need arises.

If you go to the AWS Console in the region where your Lambda function has been deployed, you will find a menu item that you can click on in the vertical menu bar named Monitor:

Figure 12.8 – The Monitor menu item from the Lambda function console

Once you enter the Monitor section of the Lambda console, you are instantly presented with a pre-built dashboard that allows you to see basic but vital metrics graphically for your Lambda function at a glance. The following metrics are presented:

  • Invocations
  • Duration
  • Error count and success rate
  • Throttles
  • Async delivery failure
  • ...

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