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NVIDIA Dynamo Snapshot: Fast Startup for Inference Workloads on Kubernetes

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Kubernetes checkpoint and restore lifecycle with NVIDIA Dynamo Snapshot.

Cold-starting inference replicas on Kubernetes can take minutes while engines load weights, warm kernels, and compile graphs. In our blog post, NVIDIA Dynamo Snapshot: Fast Startup for Inference Workloads on Kubernetes, we introduce Dynamo Snapshot, a checkpoint/restore approach that combines cuda-checkpoint, CRIU, and a privileged snapshot-agent DaemonSet to restore warm workers from shared storage. We also walk through KV cache unmapping, CRIU restore optimizations, and GPU Memory Service (GMS), which bring the gpt-oss-120b prototype below five seconds and reduce startup time by 21x.