Book Image

AWS Certified Developer - Associate Guide

By : Vipul Tankariya, Bhavin Parmar
Book Image

AWS Certified Developer - Associate Guide

By: Vipul Tankariya, Bhavin Parmar

Overview of this book

AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book gives you a fair understanding of core AWS services and basic architecture. Next, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Moving ahead you will learn about Elastic Compute cloud (EC2) and handling application traffic with Elastic Load Balancing (ELB). Going ahead you we will talk about Monitoring with CloudWatch, Simple storage service (S3) and Glacier and CloudFront along with other AWS storage options. Next we will take you through AWS DynamoDB – A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Finally, this book covers understanding Elastic Beanstalk and overview of 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 (29 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface
Index

CloudWatch best practices


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

  • It is best practice to monitor AWS resources and hosted applications using CloudWatch. It helps in identifying performance bottlenecks and also helps in optimizing resource costs.
  • It is recommended that you enable billing alerts for an AWS account. It helps to monitor the monthly costs and keep a tab on them.
  • For better understanding of CloudWatch visualization, toggle the metrics between UTC and local time.
  • By default, CloudWatch provides basic monitoring for resources and records metrics at a five-minute interval. It is recommended that you use detailed monitoring for critical resources, which records metrics at a one-minute interval.
  • Enable custom metrics where required. For example, you can enable memory monitoring on EC2 instance, which is not part of the default EC2 metrics.
  • Create custom metrics for monitoring application behaviour and link them to CloudWatch. They provide better insight on the application...