Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By : Marko Sluga
Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By: Marko Sluga

Overview of this book

AWS certifications are becoming one of the must have certifications for any IT professional working on an AWS Cloud platform. This book will act as your one stop preparation guide to validate your technical expertise in deployment, management, and operations on the AWS platform. Along with exam specific content this book will also deep dive into real world scenarios and hands-on instructions. This book will revolve around concepts like teaching you to deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS. You will also learn to migrate an existing on-premises application to AWS. You get hands-on experience in selecting the appropriate AWS service based on compute, data, or security requirements. This book will also get you well versed with estimating AWS usage costs and identifying operational cost control mechanisms. By the end of this book, you will be all prepared to implement and manage resources efficiently on the AWS cloud along with confidently passing the AWS Certified SysOps Administrator – Associate exam.
Table of Contents (26 chapters)

ACID versus BASE

How we write, read, and use our data is the determining factor that will define which database type to use. There are generally two types of requirements for data storage in databases that require two very different approaches to storing data, and these are governed by two acronyms: Atomicity, Consistency, Isolation, and Durability (ACID) and Basically Available, Soft state, Eventual consistency (BASE). Like the two liquids with opposing pH factors, ACID and BASE are two completely different approaches to storing data that are incompatible with each other.

ACID compliant data

ACID compliant data is required to have these abilities:

  • To be accessed at the lowest level of the dataset (Atomicity)
  • For the same...