Host unusual network throughput in warning
Host receive bandwidth is high (>80%).
>>>
((
rate
(
[5m]) / on(instance, device)
) > .80)
The rule computes the 5‑minute per‑second receive rate of each network interface (rate(node_network_receive_bytes_total[5m])), divides it by the interface's declared speed (node_network_speed_bytes), and checks if the resulting utilization exceeds 0.80 (80%). The alert triggers when any host has a network interface whose inbound traffic is above 80% of its configured capacity.
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