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Fault tolerant distributed training on Amazon EKS using NVRx

This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.

Integrate NVIDIA Resiliency Extension (NVRx) into PyTorch FSDP training on Amazon EKS to overlap checkpoint I/O with training and recover from GPU faults in seconds. This post covers async checkpointing, in-process restart, and ft_launcher in-job restart, with H100 benchmarks at 2 to 8 nodes showin…

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  1. 2026-09-16 18:59 · AWS Machine Learning Blog
    Fault tolerant distributed training on Amazon EKS using NVRx

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