Wifi Power Save Killed My Kubernetes Database Performance
A simple SELECT by primary key took 6 seconds. Postgres was fine. The network was fine. The culprit was a default Linux wifi setting I’d never heard of.
Devops
From PVC to NFS: Zero-Downtime Blog Deployments on Bare-Metal Kubernetes
A ReadWriteOnce PVC meant my blog couldn’t run two replicas. Switching to NFS from a NAS gave me zero-downtime rolling updates and a one-command deploy workflow.
Overengineering Microservices: When Smart Decisions Compound Into Complexity
HAProxy sidecars for mTLS. Hystrix for circuit breaking. Apache Camel between layers within the same service. Six API versions. A mandated common framework. A squash merge ban. Each decision was defensible. Combined, they created a system that took three months to onboard into.
Katalon Is Obsolete: Open Source Has Won
Katalon solved a real problem for its era: giving non-coding QA teams a path to automation. That problem has been solved more effectively by open-source frameworks and AI code generation.