dra

AI infra interview questions tagged dra, across every topic.

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Concepts behind "dra"

The curriculum that explains the ideas these questions test.

🗂️ Scheduling & Orchestration

Kubernetes GPU SchedulingKubernetes knows nothing about GPUs until something tells it. The NVIDIA device plugin advertises each node's GPUs as a countable resource, the scheduler matches a pod's request to a node with enough of them, and the container runtime wires the device in. That model is enough for one job per GPU and breaks the moment you need sharing, topology or multi-node placement, which is where Dynamic Resource Allocation, the GPU Operator and the batch schedulers come in. Knowing which layer does what is the platform interview's opening question.

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