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NVMe-oF vs Local SSD for Checkpoints: The Restart Bill

Checkpointing is the least glamorous part of a training cluster and the one that most reliably decides its effective utilisation. Everyone budgets for the write bandwidth of a clean checkpoint. Almost nobody budgets for the correlated burst: hundreds of ranks deciding to flush state in the same sec…

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  1. 2026-11-05 19:33 · DEV Community — AI
    NVMe-oF vs Local SSD for Checkpoints: The Restart Bill

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