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#kubernetes

Articles tagged with #kubernetes

Anatomy of a Silent 502: The Four Characters That Explained a 60-Second Timeout
A 502 Bad Gateway tells you that one proxy failed to get a valid response from another system. It does not tell you which layer failed, whether the application ever saw the request, or which timeout a
Jul 18, 20269 min read10
From The Vault: How SNAT Turned UDP Into a Stateful Protocol
Cilium eBPF connection tracking, and how SNAT quietly turns stateless traffic into stateful
Jul 13, 20266 min read
Surviving A Complete ETCD Outage, Part 2: Restoration
In Part 1 we got a verified ETCD snapshot back onto an Ansible control host, even with the cluster fully down. I've come across many a blog posts describing ETCD restoration process on a single node,
Jul 3, 202610 min read
Surviving A Complete ETCD Outage, Part 1: Snapshots, And Getting Them Back When the Cluster Is Gone
Part 1: Notes on taking frequent ETCD snapshots, and setting up an automated workflow to getting one back when the control plane is down and kubectl returns nothing but errors.
Jul 3, 20266 min read5
Why etcd Disk I/O Stalls Crash Your K8s Pods
How DIsk I/O stall impacted our production K8s cluster
Feb 4, 20268 min read4
Opinion: K8s IS Data-Oriented Programming. We Just Call It YAML.
Why the "K8s Way" is actually a decades-old functional programming paradigm in disguise.
Dec 26, 20257 min read7

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