Observability

The Invisible Ceilings of Cloud Infrastructure What Pinterest’s EC2 throttling incident—and others like it—teach us about building resilient systems in a black box world. When the Cloud Slows Down, Quietly It started with user complaints. Pages were loading slowly. API calls were timing out. Internal dashboards lagged behind real-time. Something was wrong—but none of the usual suspects showed up. No alerts fired. No dashboards lit up. Logs were clean. And yet the system was clearly sick. ...