[rrd-users] FW: Logarithmic & Direction

Matt Smith msmith at risklabs.com
Mon Aug 27 22:30:48 MEST 2001



I have two questions..

1.  What's the easiest way to represent a percentage (0-100%) on a
logarithmic scale, but with the inverse effect of -o?  Basically, it's small
fluctuations at the high range that are more important to see visually, so
the Y grid should be more like 0,90,100 (bottom, middle, and top) rather
than 0,10,100.

I'm working on CDEFs to just subtract the percentage from 100 and call it
Percent Used instead of Percent Free, but I was hoping for a less
typing-intensive solution.

2.  Also, I used MRTG for graphing all sorts of stuff and just got into the
RRDtool thing, but I can't figure out why MRTG adds data to the graph from
the left, while RRD does it from the right..  Is this selectable? 
 
 
Matt Smith 

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