Design Walmart Order Fulfillment
Last updated: August 10, 2025
Quick Overview
Design the architecture for Walmart Order Fulfillment. Cover scalability, storage, caching, and real-time requirements.
Walmart
System Design
Software Engineer
Walmart
August 10, 2025Software Engineer
System Design Round
System Design
Medium
656
13
3,121 solved
Design the architecture for Walmart Order Fulfillment. Cover scalability, storage, caching, and real-time requirements.
How to Approach This
- Start by clarifying functional and non-functional requirements with the interviewer.
- Estimate the scale: QPS, storage, bandwidth. This drives your design decisions.
- Draw a high-level architecture first, then deep dive into 1-2 critical components.
- Discuss trade-offs explicitly (e.g., consistency vs availability, SQL vs NoSQL).
- Address failure scenarios, monitoring, and how the system handles 10x traffic spikes.
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Requirements
Functional Requirements:
- Order Processing: The system must handle order placement, payment processing, and confirmation.
- Inventory Management: Real-time tracking of inventory levels ...
Capacity Estimation
Assuming that Walmart processes approximately 2 million orders daily:
- Peak Order Rate: During peak times, let's estimate 25% of daily orders are placed in one hour: 500,000 orders/hour or ~138 o...
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