Vast.ai Observability Overview Monitor Vast.ai GPU instance health, utilization, and costs. Key metrics: GPU utilization (idle GPUs waste $0.20-$4.00/hr), instance uptime, training progress, cost accumulation, and spot preemption events. Prerequisites - Vast.ai account with active instances - CLI installed - Optional: Prometheus, Grafana, or Datadog for dashboarding Instructions Step 1: Instance Metrics Collector Step 2: Alert Conditions Step 3: Remote GPU Monitoring Step 4: Prometheus Exporter (Optional) Output - Metrics collector with JSONL output - Alert conditions (idle GPU, high temp, bu…