Kubernetes - Monitoring and Logging
What will happen if the Metrics Server is not installed and you run
kubectl top nodes?What will happen if the Metrics Server is not installed and you run kubectl top nodes?
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Metrics Server dependency
kubectl top commands require Metrics Server to provide metrics API data.Step 2: Predict behavior without Metrics Server
Without Metrics Server, the metrics API is unavailable, so kubectl top nodes returns an error.Final Answer:
An error message saying metrics API not available -> Option BQuick Check:
No Metrics Server = kubectl top error [OK]
Quick Trick: kubectl top needs Metrics Server; else error appears [OK]
Common Mistakes:
- Expecting zero usage instead of error
- Thinking command hangs without output
- Assuming node labels are shown by kubectl top
Master "Monitoring and Logging" in Kubernetes
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