Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

CloudWatch best practices

Here are the best practices that we can follow in CloudWatch:

  • Monitor AWS resources and hosted applications using CloudWatch. This helps to identify performance bottlenecks and to optimize resource costs.
  • Enable billing alerts for an AWS account. This helps you to monitor the monthly costs and keep tabs on them.
  • For a better understanding of the CloudWatch visualization, toggle the metrics between UTC and local time.
  • By default, CloudWatch provides basic monitoring for resources and records metrics at 5-minute intervals. It is recommended that you use detailed monitoring for critical resources, which records metrics at 1-minute intervals.
  • Enable custom metrics where required. For example, you can enable memory monitoring on EC2 instances, which is not part of the default EC2 metrics. Create custom metrics for monitoring application behavior and link...