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AKS Looks to Make Node Disruption More Predictable with New NAP Guidance

Microsoft is placing greater emphasis on controlling disruption in Azure Kubernetes Service (AKS) Node Auto-Provisioning (NAP), publishing new guidance to help platform teams balance the efficiency benefits of automated node consolidation with application availability. By Craig Risi

We haven't written up this one. InfoQ has the full story — the link below goes straight to it.

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Docker Says "Healthy" and the Pod Keeps Sending Broken Traffic

Run this on any Kubernetes cluster that has containers with HEALTHCHECK defined in their Dockerfile and no livenessProbe or readinessProbe configured in the manifest: kubectl get pods -o wide docker…

  • Docker's HEALTHCHECK runs inside Docker daemon, reports status to Docker inspect.
  • Kubernetes relies on its own health checks: livenessProbe, readinessProbe, startupProbe.
  • Pod may receive traffic despite Docker reporting it as healthy, causing potential issues.

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