You are designing a booking system for meeting rooms. To handle conflict resolution at scale, which approach is best to ensure no overlapping bookings and high performance?

hard📝 Trade-off Q15 of 15

LLD - Design — Hotel Booking System

AUse a centralized lock on the entire booking database for each new booking

BCheck for conflicts by querying only relevant time slots and use optimistic concurrency control

CAllow all bookings and resolve conflicts manually later

DStore bookings without timestamps and rely on user honesty

Step-by-Step Solution

Solution:

Step 1: Understand scalability and conflict resolution needs
Centralized locking (Use a centralized lock on the entire booking database for each new booking) causes bottlenecks; manual or no checks (Options C, D) cause errors.
Step 2: Choose efficient conflict detection method
Querying only relevant time slots reduces load; optimistic concurrency control handles race conditions efficiently.
Final Answer:
Check for conflicts by querying only relevant time slots and use optimistic concurrency control -> Option B
Quick Check:
Efficient conflict check + concurrency control = scalable solution [OK]

Quick Trick: Query relevant slots + optimistic control for scalable conflict resolution [OK]

Common Mistakes:

Using global locks causing slowdowns
Ignoring concurrency issues
Not filtering bookings by time before checking

Master "Design — Hotel Booking System" in LLD

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Arch Try Challenge Design Recall Scale

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions

More LLD Quizzes

You are designing a booking system for meeting rooms. To handle conflict resolution at scale, which approach is best to ensure no overlapping bookings and high performance?

Step 1: Understand scalability and conflict resolution needs

Step 2: Choose efficient conflict detection method

Final Answer:

Quick Check:

Want More Practice?