LLD - Design — Food Delivery System
How would you design the Order class to handle multiple orders from different customers simultaneously in a scalable restaurant system?
How would you design the Order class to handle multiple orders from different customers simultaneously in a scalable restaurant system?
hard📝 Trade-off Q15 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify need for unique order tracking
Each order must have a unique ID to distinguish between multiple customers' orders.Step 2: Ensure scalability and data integrity
Storing orders in a centralized database with concurrency control allows multiple orders simultaneously without conflicts.Final Answer:
Use unique order IDs and store orders in a centralized database with concurrency control -> Option DQuick Check:
Unique IDs + concurrency = scalable order handling [OK]
Quick Trick: Use unique IDs and concurrency-safe storage for multiple orders [OK]
Common Mistakes:
MISTAKES- Ignoring concurrency issues
- Using single list causing data overwrite
- Not persisting orders leads to data loss
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