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In a system with load balancing, users experience uneven response times. What could be the problem?

medium📝 Analysis Q7 of 15
LLD - Advanced LLD Concepts
In a system with load balancing, users experience uneven response times. What could be the problem?
ALoad balancer is not properly distributing requests
BCache is too large
CDatabase schema is incorrect
DClients have slow internet connections
Step-by-Step Solution
Solution:
  1. Step 1: Analyze uneven response times

    Uneven times often mean some servers are overloaded while others are idle.
  2. Step 2: Identify load balancer role

    If load balancer fails to distribute evenly, some servers get more traffic causing delays.
  3. Final Answer:

    Load balancer is not properly distributing requests -> Option A
  4. Quick Check:

    Uneven response = Load balancer issue [OK]
Quick Trick: Check load balancer distribution for uneven delays [OK]
Common Mistakes:
  • Blaming cache size for response time variance
  • Assuming database schema affects response time directly
  • Ignoring client network speed as a factor

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