I would like to display a line on the bar graph in Grafana. The line should be display depends on the dashboard constant value. I managed to display this line as a threshold, however I'm wondering if it is possible to display it from dashboard variable. My main datasource is MySQL database.
The line should look like this:
You can't do exactly what you want. However, you can have some sort of dynamic thresholds if you set your threshold from the result of a query.
You can either use the Config from query results transformation or the Rows to fields one.