LLD - Advanced LLD Concepts
A production system needs to handle millions of users with minimal downtime. Which combination of advanced concepts best supports this goal?
A production system needs to handle millions of users with minimal downtime. Which combination of advanced concepts best supports this goal?
hard📝 Trade-off Q15 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify key needs for high user load and uptime
Handling millions of users requires spreading load, fast responses, and recovery from failures.Step 2: Match advanced concepts to these needs
Load balancing distributes traffic, caching speeds responses, and failover ensures system stays up if parts fail.Final Answer:
Load balancing, caching, and failover mechanisms -> Option AQuick Check:
High scale + uptime = load balancing + caching + failover [OK]
Quick Trick: Combine load balancing, caching, and failover for scale and uptime [OK]
Common Mistakes:
MISTAKES- Choosing single server which can't scale
- Ignoring caching benefits
- Overlooking failover for downtime prevention
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