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

Types of queues


SQS mainly supports two types of queues:

  • Standard queues
  • FIFO queues

A standard queue generally sends the data in the same order as it receives it, however, on certain occasions, the order may change. Unlike a standard queue, the order in which the data is sent is fixed in FIFO queues.

Let's look at the differences between these two queue types with the help of the following table:

Description

Standard queue

FIFO queue

Availability

It's available in all AWS regions.

It's available only in the US East (N. Virginia), US East (Ohio), US West (Oregon), and EU (Ireland) regions.

Throughput

It supports an almost unlimited number of Transactions Per Second (TPS ) with each API action.

It supports limited throughput. It can support up to 300 messages per second without any batching. With a batch size of 10 messages, it can support up to 3,000 messages per second.

Order

It generally sends the data in the same order as it receives it, however, in certain occasions the order may change.

It ensures...