Cloud Platform

Don't Fall for the No-Ops Myth: 5 Production-Level Governance Decisions for Serverless Cold Starts, Cost Explosions, and Observability Blind Spots

Overview At 2 AM, I got a phone call. Users of a ride-hailing project reported that opening the App to view trip history during late-night hours caused a 3-5 second blank screen. After investigation, I found that this API group used Serverless function compute. During the day, traffic was normal, but after traffic dropped off at night, function instances were reclaimed. The first request triggered a cold start, pushing P99 latency to 4....

Managed Clusters Aren't Set-and-Forget: 5 Production Pitfalls After Migrating from Self-Hosted K8s to ACK

Overview “Fully managed control plane” — this phrase makes many teams think migrating to an ACK managed cluster means they can kick back and relax. In reality, managed only takes care of etcd, kube-apiserver, kube-controller-manager, and kube-scheduler. Data plane problems? Still all yours. I led a migration of 120+ microservices from a self-hosted K8s cluster to ACK Managed Cluster Pro. The migration took 3 months with zero-downtime cutover — but the first month after switching, 3 AM alerts never stopped....