[rrd-users] Re: possible to graph the same data from different ti mes?
tsteil at soe.sony.com
Wed Jul 2 12:23:24 MEST 2003
It is a good workaround, but I was hoping there would be a way I could do it
using CDEFs or RPN inside the graphing CGI.
From: Stephan Harren [mailto:sh at abovenet.de]
Sent: Wednesday, July 02, 2003 3:05 AM
To: Steil, Taylor
Cc: rrd-users at list.ee.ethz.ch
Subject: Re: [rrd-users] possible to graph the same data from different
Sure, just take two Datasources, and feed the second one with the data from
hours ago. You can easily read them from the rrd-file using rrdtool fetch. I
don't know if there's a different (standard) way (don't think so), but I
think this might be a good workaround.
Am Mittwoch, 2. Juli 2003 11:54 schrieben Sie:
> I was wondering if there was any way to graph the same data from different
> times on the same graph.
> For example, I have a 24 hour graph consisting of 2 lines.
> Line A is today's traffic.
> Line B is yesterday's traffic.
> Both lines are covering the same 24 hour graph, but Line B shows
> yesterday's values and Line A shows today's values.
> Is this possible?
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