[rrd-users] Re: Making sure stacked order looks good --- average values

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Sun Oct 24 02:05:24 MEST 1999

> When displaying multiple stacked values, the graph looks best when low
> magnitude values are stacked on the bottom, and high magnitude values
> are stacked on the top.
> Some router ports or filter rules naturally have higher average
> throughput.  I would like to stack those on top.  But I have so many
> ports and filter rules that I can't go and classify each one,
> especially if they are dynamically added.
> I need a way to judge the relative average magnitude of each port I'm
> graphing before I graph it.  Any suggestions?

I think this is not easy to do, for the same reason: there are so many
different possibilities.  One thing comes in mind: provided the counters
have not wrapped (or: you know how many times) you can estimate the
average by looking at the current value.  The higher the average
increase, the higher the current value.  This is because they all start
at zero when booting up the device.

I just wonder: why do you need to know in advance what you can determine
later on from real data?  Once you know that the order is wrong, just
move things around.

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
| work                                                         private |
| My employer is capable of speaking therefore I speak only for myself |

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