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For example, you can

kl exec -it longhorn-manager-xxxxxx -- curl <http://longhorn-backend:9500/metrics>

ref: https://github.com/longhorn/longhorn/issues/2817

@icy-agency-38675 the ip

10.43.0.3

is longhorn-manager so it is almost the same as

curl <http://longhorn-backend:9500/metrics>

I do something like this

root@longhorn-manager-g5nck:/# while true ; do curl -s  <http://longhorn-backend:9500/metrics> | grep longhorn_node_cpu_usage_millicpu ; done

but the output is empty metric

longhorn_node_cpu_usage_millicpu

is not exported for some reason