Bug #4937
closed
RRD graphs with mixed quantities are unreadable
0%
Description
Some RRD graphs plot data that have incompatible units in the same canvas. For instance, the Quality graph shows both latency and packet loss. Packet loss is in the 0-100 range, but latency can go orders of magnitude higher than 100 (attached screenshot shows latency values in the 1.5 MEGA range). When this occurs, the packet loss information is not readable. Moreover, a single big spike in latency makes all the historical graphs unreadable.
The same happens, though to a lesser extent in my experience, with the Processor graph (see Feature #4664)
One solution, if the plotting library allows it, would be to have two scales in the graphs (for instance one on the left and one on the right).
If this is not possible, then it would be desirable to provide separate graphs.
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