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Given a deployment with resource requests set too high, what is the likely effect on cluster cost?

medium📝 Conceptual Q4 of 15
Kubernetes - Production Best Practices
Given a deployment with resource requests set too high, what is the likely effect on cluster cost?
ANo effect on costs
BCosts decrease because pods use fewer resources
CPods will crash immediately
DCosts increase due to over-provisioned resources
Step-by-Step Solution
Solution:
  1. Step 1: Understand impact of high resource requests

    High resource requests reserve more CPU and memory than needed, causing nodes to allocate more capacity.
  2. Step 2: Connect over-provisioning to cost

    Over-provisioning means paying for unused reserved resources, increasing cluster costs.
  3. Final Answer:

    Costs increase due to over-provisioned resources -> Option D
  4. Quick Check:

    High requests = Higher cost [OK]
Quick Trick: Avoid high requests to reduce cost [OK]
Common Mistakes:
  • Assuming high requests reduce cost
  • Thinking pods crash due to high requests
  • Believing no cost impact

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