Cosmos DB Read Consistency

Introduction

In the bustling world of e-commerce, ensuring a seamless shopping experience is crucial. Meet Alice and Bob, two dedicated IT professionals working on their company’s new e-commerce application. Alice has been facing some challenges with the current consistency level in Azure Cosmos DB, leading to customer complaints about outdated shopping cart data. Join Alice and Bob as they navigate through the complexities of database consistency levels to find the perfect solution for their application.

Image Carousel

Knowledge Check

Question 1: What consistency level was Alice initially using in her e-commerce application?




Question 2: Which consistency level did Alice switch to in order to resolve the issue with shopping cart updates?




Question 3: Which consistency level guarantees that reads always return the most recent write?




Question 4: For a social media feed where posts are updated within a few minutes, which consistency level is ideal?




Question 5: Which consistency level ensures that reads never see out-of-order writes, maintaining the correct sequence of messages?