Kubernetes - Fundamentals
When pods remain in a pending state despite sufficient node resources, which Kubernetes control plane component's logs should you inspect first?
When pods remain in a pending state despite sufficient node resources, which Kubernetes control plane component's logs should you inspect first?
medium📝 Troubleshoot Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the component responsible for pod placement
The kube-scheduler assigns pods to nodes based on resource availability and constraints.Step 2: Check logs for scheduling errors
If pods are pending, the scheduler may be failing to assign them; its logs will reveal scheduling issues.Final Answer:
kube-scheduler -> Option BQuick Check:
Pods pending + nodes available = scheduler issue [OK]
Quick Trick: Pods pending? Check scheduler logs first [OK]
Common Mistakes:
- Checking controller-manager logs instead of scheduler
- Assuming etcd stores pod scheduling info
- Looking at API server logs for scheduling failures
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