LLD - Design — Hotel Booking System
In a high-traffic system, how can you optimize availability checking to reduce latency and avoid bottlenecks?
In a high-traffic system, how can you optimize availability checking to reduce latency and avoid bottlenecks?
hard📝 Trade-off Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand latency and bottleneck causes
Repeated database queries cause delays and overload.Step 2: Evaluate caching benefits
Caching with short TTL balances freshness and speed, reducing load.Final Answer:
Use caching with short TTL for availability data -> Option BQuick Check:
Caching reduces latency and bottlenecks [OK]
Quick Trick: Cache availability data briefly to speed checks [OK]
Common Mistakes:
- Querying DB every time
- Disabling availability checks
- Using blocking synchronous calls
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