Kubernetes - Production Best Practices
Which Kubernetes feature helps reduce costs by automatically adjusting the number of pod replicas based on CPU usage?
Which Kubernetes feature helps reduce costs by automatically adjusting the number of pod replicas based on CPU usage?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify autoscaling features in Kubernetes
The Horizontal Pod Autoscaler (HPA) adjusts pod replicas based on metrics like CPU usage.Step 2: Relate HPA to cost optimization
By scaling pods up or down automatically, HPA prevents over-provisioning and reduces costs.Final Answer:
Horizontal Pod Autoscaler -> Option AQuick Check:
Autoscaling pods = Horizontal Pod Autoscaler [OK]
Quick Trick: Use HPA to scale pods and save costs [OK]
Common Mistakes:
- Confusing HPA with Pod Disruption Budget
- Thinking Node Affinity controls scaling
- Assuming Persistent Volume Claim affects pod count
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