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Since Round Robin Database (RRD) files are nothing more than so-called time series databases, the graphing system is the duty to interpret the values correctly and, if needed, has to recalculate them.
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titleLAST TESTED ON CHECKMK 2.0.0P1


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titleTable of Contents

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In Checkmk, this is done fully automatically, and you see "human readable values"“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.

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  1. Open Grafana, create a dashboard, and add your elements, in this case, it is "Interface 2" “Interface 2” of the monitored host "mysite01"“mysite01”

    Screenshot of general settings within Grafana
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  2. On the right side, you have "Standard Options"“Standard Options”. Open it and click in the empty field just under "Unit"“Unit”

    Sceenshot of unit section of Grafana config
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  3. Bandwidth might not appear in this dialogue, so type in bits. Grafana will autocomplete, and you can choose your measurement unit:

    Screenshot of different data rates available
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  4. For Interface Banthwith, you might take "bits“bits/sec(SI) so the graph looks good:

    Screenshot of selected data rate bits per second
    Screenshot of visual graph
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    For comparison, the same metrics in Checkmk

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