How to Preserve Engineering Knowledge from Tickets and Chats
How to turn ticket histories and chat discussions into documentation, checks, and automation that engineers can reuse.
kubelet
A Ready Node Can Still Drift from Its Baseline
A green Ready status and a correct node configuration are not the same guarantee. I ran into that distinction while standardizing kubelet settings across several node classes in a Kubernetes cluster I operated. Each class had a configuration baseline stored in Git. It defined resource reservations, eviction thresholds, and image garbage collection settings. Kubernetes reported the nodes as Ready, yet a separate check found that the local /var/lib/kubelet/config.yaml on some of them no longer matched the expected file. ...
How an inotify watchers limit caused kubelet instability
Troubleshooting an unstable Kubernetes node caused by an exhausted inotify watchers limit.