Ephemeral Volumes

Ephemeral volumes are deleted with the Pod. They are ideal for cache and temporary files.

Typical use cases

• Runtime cache
• Intermediate artifacts
• Shared data between main and sidecar

Example

volumes:
  - name: scratch
    emptyDir:
      sizeLimit: 1Gi

Notes

• Not suitable for business data
• Node disk pressure can block scheduling

Practical notes

• Start with a quick inventory: kubectl get nodes, kubectl get pods -A, and kubectl get events -A.
• Compare desired vs. observed state; kubectl describe usually explains drift or failed controllers.
• Keep names, labels, and selectors consistent so Services and controllers can find Pods.

Quick checklist

• The resource matches the intent you described in YAML.
• Namespaces, RBAC, and images are correct for the target environment.
• Health checks and logs are in place before promotion.

References

• Ephemeral Volumes
• Volumes