Kubernetes

Implementing Karpenter's Consolidation Disruption Policies for Spot Instance Workloads

How to design consolidation disruption policies in Karpenter that aggressively reclaim underutilized nodes without thrashing your Spot workloads, with real EKS configuration examples.

Diagram of a Kubernetes cluster with traffic being progressively shifted from a stable to canary deployment.

Implementing Argo Rollouts: Progressive Delivery Strategies for Kubernetes Workloads

How to ship safer releases on Kubernetes with Argo Rollouts — covering blue-green, canary, traffic splitting, AnalysisTemplates, and the gotchas that bite in production.

Abstract diagram of Kubernetes pods with fault injection overlays

Architecting Chaos Engineering Workflows with LitmusChaos in Kubernetes Production Clusters

A practical guide to building production chaos engineering workflows with LitmusChaos, covering control plane architecture, experiment design, GitOps integration, and blast radius control.

Network diagram showing multiple Kubernetes clusters connected through an Istio ambient mesh with ztunnel and waypoint components.

Architecting Multi-Cluster Service Mesh with Istio Ambient Mode and eBPF

A practical architecture guide to running Istio Ambient Mode across multiple Kubernetes clusters, with eBPF-powered data planes handling L4 and waypoint proxies owning L7.

Layered diagram of seven Linux namespaces surrounding a containerized process tree.

Inside Linux Namespaces: Unpacking the Kernel Primitives That Power Container Isolation

Containers look like lightweight VMs, but they’re really just processes wrapped in namespaces and cgroups. We unpack mount, PID, network, UTS, IPC, user, and cgroup namespaces, trace how runtimes like containerd wire them together, and explore the failure modes every SRE should know.