Hidden Cloud Hazards: The 47-Minute Hunt for a Ghost Spot Instance

While Spot Instances offer significant cost savings, they introduce unpredictable volatility that can baffle standard monitoring and on-call rotations. This postmortem highlights how node-level events in Kubernetes can masquerade as application-level failures, emphasizing the need for infrastructure-aware observability. It serves as a critical reminder to prioritize event logs and node signals over narrow application metrics during major outages.