Tag archive

kubernetes

Platform engineering notes on cluster design, workload operations, and the systems around running Kubernetes well.

Glossy indigo queue gate sending a bright event pulse into a staggered stack of replica cards

Kubernetes

KEDA on Kubernetes: event-driven autoscaling to zero

Use KEDA on Kubernetes to scale from queue depth, lag, and schedules, and understand when scale to zero is worth the cold-start trade-off.

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Networking

Kubernetes networking with Cilium: eBPF and kube-proxy

Cilium changes Kubernetes networking by replacing more of kube-proxy with eBPF, enforcing identity-aware policy, and adding flow visibility through Hubble.

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Kubernetes

Kubernetes batch workloads with Kueue: queues and quota

Use Kueue to queue Kubernetes batch workloads before they hit the scheduler, so shared cluster quota is admitted deliberately instead of all at once.

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Glossy Crossplane-inspired control-plane frame with colourful horizontal bands routing into layered infrastructure surfaces

Infrastructure as Code

Kubernetes as your infrastructure control plane: Crossplane

Use Crossplane to make Kubernetes your infrastructure control plane — a self-service platform API for cloud resources, reconciled continuously.

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Kubernetes

Surviving Kubernetes node drains: PDBs and topology spread

Node drains are ordinary Kubernetes maintenance, but they only stay boring when replicas are spread out, disruptions are budgeted, and pods shut down cleanly.

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