May 20 · 10 min read · It was a regular working day when the first alert landed. Kubernetes health check showing the control plane was degraded. I'd seen these before. Usually a quick look, a quick fix. Then I ran kubectl g
Join discussionMay 5 · 4 min read · Early in my time on the Kubernetes team, a customer proposed something that was both brilliant and beyond what we were ready for: a global footprint of clusters, one per region, with a synchronized set of jobs. They were running a low-latency applica...
Join discussionJan 9 · 4 min read · Welcome to the "heartbeat" of Kubernetes. How do you benchmark and perform performance testing? Today, we focus on etcd. Etcd is the consistent and highly available key-value store used as Kubernetes' backing store for all cluster data. If etcd is sl...
Join discussion
Jan 1 · 7 min read · How I Completed a High-Pressure Regulatory Submission Review Inside Zane ProEd's Omega Simulation Environment. A detailed walkthrough of identifying CMC data gaps, aligning Module 3 compliance requirements, and drafting traceable regulatory responses...
Join discussionDec 27, 2025 · 2 min read · In Kubernetes, everything looks fine—until etcd breaks. etcd is the brain of the cluster.If it’s lost, your deployments, services, and configurations disappear with it. This short story documents how I backed up etcd, deleted a deployment, and restor...
Join discussion
Dec 15, 2025 · 8 min read · Post-Approval Variation Management: Mastering Lifecycle Tracking and Change-Control Classification in Regulatory Operations A comprehensive guide to managing post-approval variations, lifecycle tracking, and regulatory change-control systems through ...
Join discussionNov 21, 2025 · 3 min read · With the experience shared by people on the internet, I summarized some key aspects as a series of articles for preparing the CKS exam. Each aspects should be in short concise points, so this is not a detailed tutorial, just some practical reminders....
Join discussionNov 16, 2025 · 18 min read · Introduction to Etcd Hey everyone! After our successful blog on k8s architecture, we're now going deeper into each component of the k8s architecture. In this blog, we'll focus on etcd - the brain of a k8s cluster and one of the most important topics....
Join discussion
Nov 12, 2025 · 12 min read · Info: Introduction and Deploy In March 2022, a researcher named Max Kellerman publicly disclosed a Linux Kernel vulnerability (nicknamed "Dirty Pipe" for its similarities to the notorious "Dirty Cow" exploit affecting older versions of the kernel) th...
Join discussion
