Walmart’s Real-Time Inventory Management Powered by Kafka

This post details Walmart's implementation of a real-time inventory management system using Apache Kafka. It covers the engineering challenges and solutions for managing diverse data sources through a canonical approach and transformation engine. The post provides in-depth technical details on scaling Kafka by optimizing partitions, producer configurations (linger.ms, batch.size, acks), and consumer scaling strategies. It also addresses database integration challenges, specifically with Cassandra, by detailing partitioning strategies to ensure data consistency and minimize deadlocks. The post includes diagrams illustrating data flow and scaling concepts.