Grafana graph is empty
- Click on the graph title and select “Edit”
- Try setting the data source to Global, see if this fixes the problem.
- If not, try expanding the time range (say, 1 day, 1 week or even 1 month). If you got a graph then it could mean that: a. The metric exporter stopped working at some point in the past, or no more nodes are using this exporter anymore. b. The metric got renamed.