Kubernetes Practical By Samson Tanimawo, PhD Published Jan 11, 2026 4 min read

Cluster Cost Optimization 2026

Most K8s clusters waste 30-50%. The audit.

Audit

Per pod: requested vs used. Average utilization.

Most teams find 30-50% waste.

VPA

Right-size pods. Set requests close to actual.

Don't over-allocate.

Spot

For batch and stateless: spot saves 60-80%.

Tolerate interruption.