Since RRD files are nothing more than so-called time series databases, the graphing system is in duty to interpret the values correctly and, if needed, has to recalculate it.
In Checkmk this is done fully automatic and you see "human readable values".
For Grafana, this has to be set in your Dashboard. In this example we'll look at the settings for the network interfaces.
Step-by-step guide
- Open Grafana, create a dashboard and add your elements, in this case it is "Interface 2" of monitored host "klaptomate"
- On the right side you have "Standard Options". Open it and click in the empty field just uder "Unit"
- Bandwith might not appear in this dialogue, so type in bits. Grafana will autocomplete and you can coose your measurement unit:
- For Interface Banthwith you might take "bits/sec(SI) so the graph looks good:
- For comparison, the same metrics in Checkmk
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