Kubernetes - Health Checks and Probes
You configured an exec readiness probe but your pod never becomes ready. Which of these is the most likely cause?
You configured an exec readiness probe but your pod never becomes ready. Which of these is the most likely cause?
medium📝 Troubleshoot Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check exec command syntax
Exec probe commands must be an array of strings; a single string causes probe failure.Step 2: Understand probe failure effect
If the probe fails, the pod is not marked ready, so it never becomes ready.Final Answer:
Exec command missing array syntax causes probe failure -> Option AQuick Check:
Exec command array syntax missing = probe fails [OK]
Quick Trick: Exec command must be array; single string causes failure [OK]
Common Mistakes:
- Ignoring command array syntax errors
- Blaming initialDelaySeconds without checking command
- Confusing readiness with resource limits
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