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

Queue attributes


SQS uses certain queue attributes that define the behavior of a queue. While creating a queue, you can either create a queue with default attributes or customize these attributes as per your needs.

The following table describes these queue attributes with their acceptable ranges:

Queue attribute

Description

Minimum acceptable range

Maximum acceptable range

Default visibility Timeout

The length of time that a message is received from a queue will be invisible to other receiving components.

0 seconds

12 hours

Message Retention Period

The amount of time that SQS retains a message if it does not get deleted.

1 minute

14 days

Maximum Message Size

Maximum message size accepted by SQS.

1 KB

256 KB

Delivery Delay

The amount of time to delay the first delivery of all messages added to the queue.

0 seconds

15 minutes

Receive Message Wait Time

The maximum amount of time that a long polling receive call waits for a message to become available before returning an empty response.

0 seconds

20 seconds

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