AI BriefingBuilding a WMS from Scratch: Designing a Kafka-Based Distributed Logistics System and Solving Out-of-Order Events
Key point
This covers the technical challenges and solutions Olive Young faced while building its own Kafka-based global logistics system (GMS) without relying on external solutions.
Details
In line with its global business expansion, Olive Young moved away from its existing external solution and began building its own GMS (Global Warehouse Management System). The project started in October 2024 and successfully launched on May 8, 2025.
For organic integration with various external systems, GMS adopted an asynchronous Pub/Sub messaging architecture based on API and Kafka (MSK). This secured scalability and real-time performance while improving the reliability of logistics data.
In particular, the team focused on solving the Out-of-Order Events problem that arises in asynchronous messaging structures. The core of the design was managing message ordering issues caused by complex network paths and inter-region (Virginia-Seoul) latency.
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