LLD - Design — Hotel Booking System
Why is it challenging to maintain both high availability and strong concurrency control in a booking system?
Why is it challenging to maintain both high availability and strong concurrency control in a booking system?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Define availability and concurrency tradeoff
Strong concurrency control uses locks that can slow down booking responses.Step 2: Understand impact on availability
Delays from locking reduce system responsiveness, lowering availability.Final Answer:
Because locking can delay responses, reducing availability -> Option BQuick Check:
Locking delays = availability tradeoff [OK]
Quick Trick: Locks improve concurrency but may reduce availability [OK]
Common Mistakes:
- Thinking availability and concurrency are unrelated
- Believing concurrency control has no benefits
- Misunderstanding availability as no bookings
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