GCP - Cloud Load Balancing
You set up a load balancer but notice all traffic is going to a single server, causing overload. What is the most likely cause?
You set up a load balancer but notice all traffic is going to a single server, causing overload. What is the most likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Identify cause of uneven traffic
If all traffic goes to one server, likely only one instance group is attached, so no distribution occurs.Step 2: Check other options
Multiple backend groups or even URL map routing would distribute traffic. Healthy instances mean traffic can be balanced.Final Answer:
The backend service has only one instance group attached. -> Option BQuick Check:
Single backend = no traffic distribution [OK]
Quick Trick: One backend group means no load balancing [OK]
Common Mistakes:
- Assuming multiple backends cause overload
- Ignoring health check status
- Believing URL map causes single-server traffic
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