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AI/MLOctober 202612 min read

OCI Model Artifacts: Faster Kubernetes Model Cold Start

A close reading of the 2026 KServe cold-start study: image volumes, modelcar and object storage compared at 2, 14 and 140 GB, plus what the first cold pull and integrity checks cost.

DevOpsOctober 202611 min read

NVIDIA Run:ai Open Source: KAI Scheduler, GPU Fractioning

Four components, a CUDA 13.4 dependency and three layers of licence terms. I read NVIDIA's post, the repos and KAI Scheduler's docs to see what to trial first.

DevOpsOctober 202612 min read

Volcano Scheduler GPU Gang Preemption: v1.15 DRA Queue Quota

Volcano v1.15 gang preemption, DRA queue quota and scheduling gates for GPU clusters, read closely and set against native Kubernetes gang scheduling.

DevOpsOctober 202612 min read

Kubernetes DRA GPU Fallback: Prioritized List in 1.36

Ask for an H100, else an A100, in one ResourceClaim. I read the DRA 1.36 post, the current docs and the NVIDIA driver pages to see what is stable and what still bites.

DevOpsOctober 202612 min read

Kubernetes 1.37 DRA Extended Resources GA: Run example.com/gpu Without a Device Plugin

A close reading of the v1.37 DRA release post, KEP-5004, the docs and the device taints page: how a DeviceClass lets old GPU manifests run on DRA, how to migrate a node at a time, and what to test first.

DevOpsOctober 202612 min read

Kubernetes Gang Scheduling Beta in 1.37: What Works, What Not

Kubernetes 1.37 moved the Workload and PodGroup APIs to Beta. A close reading of the release post and docs: the gates, a Job example, the breaking renames, and where Kueue and Volcano still belong.

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