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In an MLOps pipeline, you are responsible for managing the training and deployment of machine learning models on a multi-node GPU cluster. The data used for training is updated frequently. How should you design your job scheduling process to ensure models are trained on the most recent data without causing unnecessary delays in deployment?
Correct Answer: C
In an MLOps pipeline with frequently updated data, ensuring models are trained on the latest data without delaying deployment requires a responsive scheduling approach. An event-driven scheduling system, supported by tools like Kubernetes with NVIDIA GPU Operator or Apache Airflow integrated with NVIDIA GPUs, triggers the pipeline (data ingestion, training, and deployment) whenever new data arrives. This ensures freshness while minimizing idle time, aligning with NVIDIA's focus on efficient, automated AI workflows in production environments like DGX Cloud or NGC Catalog integrations. Fixed intervals (Option A) risk training on outdated data or running unnecessarily when no updates occur. Weekly training (Option B) introduces significant lag, unsuitable for frequent updates. Round-robin scheduling (Option D) lacks data-awareness, potentially misaligning resources and delaying critical updates. Event-driven scheduling optimizes resource use and responsiveness, a key principle in NVIDIA's MLOps best practices.