A query that used to work to query Prometheus node exporter RAM load stopped working and I would like to ask for hints where I could debug further.
100 - ((node_memory_MemAvailable_bytes{instance="localhost:9100",job="Node Exporter"} * 100) / node_memory_MemTotal_bytes{instance="localhost:9100",job="Node Exporter"})
My Dashboard shows nothing because of the failed query:
The query used to work, I changed nothing, and don't know how to debug the issue.
The node exporter prometheus is working:
