Halo scaled to 11.6 million users using the Saga design pattern, which manages failure in distributed systems by dividing transactions into sub-transactions. It uses an Orchestrator for transaction management and a durable log for state tracking, thereby maintaining data consistency and avoiding single points of failure. Saga is commonly used in microservices architectures, such as e-commerce, travel booking systems, and banking.

Table of contents
1. Atomicity:2. Consistency:1. Divide & Conquer:2. Interacting with Database Partitions:3. State Information:TL;DR:🔥 Use Cases:ReferencesSort: