[rrd-users] Two Y Axes

Sam Umbach sumbach at gmail.com
Sat Jul 21 19:33:22 CEST 2007


Sorry, I pressed the wrong key.

To my knowledge rrdtool cannot draw a graph with two Y axes, but your
case should be pretty simple: convert memory usage to a percentage of
total memory and graph them together.

-Sam

On 7/21/07, Sam Umbach <sumbach at gmail.com> wrote:
> Ed,
>
> To my knowledge rrdtool cannot draw
>
> On 7/21/07, Edward Quick <edwardquick at hotmail.com> wrote:
> > Hi,
> >
> > I would like to graph %CPU against Memory Usage (MB) over time. This
> > requires a graph with two Y Axes though, and from what I've been able to
> > ascertain, rrdtool can't do this yet.
> >
> > Could anyone confirm that for me please? If thats the case I'm quite
> > interested in writing a patch for this, assuming the other developers
> > haven't tried before and given up because they found it near impossible.
> > Worth a try?
> >
> > OK cheers for any info.
> >
> > Ed.
> >
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