kubernetes

Posts tagged "kubernetes"

In-depth articles from the OrchesTerra engineering team.

Kubernetes

Karpenter Disruption: Consolidation, Budgets, and Why Pods Go Pending at 3am

How Karpenter decides to replace nodes, how disruption budgets interact with PDBs, and the settings that stop consolidation from evicting production at the worst time.

KubernetesKarpenterSpot

2026-09-08 · 4 min read

Kubernetes

Kyverno Policies That Teams Will Actually Keep Enabled

Validate, mutate, and generate with Kyverno without turning every deploy into a 403 — policy types, failure actions, exceptions, and a starter set for platform clusters.

KubernetesPolicySecurity

2026-09-07 · 4 min read

ArgoCD

Multi-Cluster Argo CD: One Control Plane, Many Destinations, Fewer Foot-Guns

Hub-and-spoke vs per-cluster Argo CD, Application destination vs ApplicationSet, secrets, and the RBAC mistakes that let staging sync prod.

ArgoCDGitOpsKubernetes

2026-09-05 · 4 min read

Kubernetes

Kubernetes Requests and Limits: Throttling, Eviction, and the 3x Guess

What CPU limits actually do, why memory limits OOMKill, how requests drive scheduling, and a way to set numbers from Prometheus instead of folklore.

KubernetesCostPlatform Engineering

2026-09-04 · 4 min read

ArgoCD

Argo CD Sync Waves: Ordering Kubernetes Applies Without Hooks Spaghetti

How sync waves and sync phases actually work, when to use them instead of PreSync hooks, and the failure modes that leave apps stuck OutOfSync.

ArgoCDGitOpsKubernetes

2026-09-02 · 5 min read

Kubernetes

Running Kubernetes on Spot: Interruptions, PDBs, and Node Pools That Survive

How to put real workload on Spot / preemptible nodes without turning every interruption into an incident — taints, PDBs, grace periods, and mixed on-demand capacity.

KubernetesSpotCost

2026-09-01 · 5 min read

Kubernetes

External Secrets Operator: Stop Committing Sealed Blobs to Git

A practical ESO setup: ClusterSecretStore, ExternalSecret refresh, IRSA/Workload Identity, and the failure modes that look like “the app has empty env vars.”

KubernetesGitOpsSecurity

2026-08-22 · 4 min read

Kubernetes

Kubernetes GitOps Best Practices for Platform Teams

Patterns for building reliable, auditable GitOps workflows on Kubernetes—covering repository structure, reconciliation hygiene, and governance gates.

KubernetesGitOpsPlatform Engineering

2026-08-10 · 2 min read

Kubernetes

Kubernetes Cost and Security Hygiene Checklist

A platform-team checklist to keep clusters cost-efficient and security-hardened: quotas, least privilege, network restrictions, and rightsizing.

KubernetesSecurityCost

2026-06-20 · 2 min read