[rrd-users] FW: Odd ds graphing problem

[Marc Powell]

Mmmm. No takers on this one. Is there more information I can provide
that would be useful or is it just one of those things that is so vague
as to be unsolvable (or not worth the effort). I can live with either
but some sort of resolution would be better ;)

TIA,

Marc

----Original Message----
From: Marc Powell
Sent: Wednesday, September 08, 2004 8:46 PM
To: rrd-users at list.ee.ethz.ch
Subject: Odd ds graphing problem

> Hey guys!
> 
> I'm a long time user of RRDTool but new to the list so please excuse
> me if I pull a faux-pas. I've looked through the last few months of
> archives and haven't had any luck searching via google, etc. I've
> been using 1.0.33 for a number of years now and discovered a bizarre
> graphing problem where the 4th datasource, and only the 4th, is not
> being graphed when specifying 4 or more DS's on a single graph. This
> problem is persistent with 1.0.49. Because of this fact I believe the
> problem is mine but I am at a loss to discover what I'm doing wrong.
> Using an rrd file generated by cricket as an example --        
> 
> /usr/local/rrdtool-1.0.49/bin/rrdtool graph test.png -a PNG -r -u 10
> --base 1000 --start -151200 --vertical-label "Time in Seconds"
> --width 500 --height 200
>
DEF:ds0=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds0:AVERAGE
>
DEF:ds1=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds1:AVERAGE
>
DEF:ds2=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds2:AVERAGE
>
DEF:ds3=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds3:AVERAGE
> LINE1:ds0#00cc00:"Time to First Byte" LINE1:ds1#0000ff:Davidson
> LINE1:ds2#ff0000:Knox LINE1:ds3#:Shelby VRULE:1094619600#ff0000:
> VRULE:1094533200#ff0000:         
> 
> Generates: http://www.connecten.org/test.png
> 
> /usr/local/rrdtool-1.0.49/bin/rrdtool graph test1.png -a PNG -r -u 10
> --base 1000 --start -151200 --vertical-label "Time in Seconds"
> --width 500 --height 200
>
DEF:ds0=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds1:AVERAGE
>
DEF:ds1=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds2:AVERAGE
>
DEF:ds2=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds3:AVERAGE
>
DEF:ds3=/usr/local/cricket/cricket-config/../cricket-data//http-performa
nce/http-network-latency-cartoon.rrd:ds0:AVERAGE
> LINE1:ds0#00cc00:Davidson LINE1:ds1#0000ff:Knox
> LINE1:ds2#ff0000:Shelby LINE1:ds3#:"Time to First Byte"
> VRULE:1094446800#ff0000: VRULE:1093842000#ff0000:         
> 
> Generates http://www.connecten.org/test1.png
> 
> As you can see, by simply changing the order of the arguments, the
> missing item is graphed, but the 4th in the list is still missing. I
> have another graph of spamassassin statistics that contains 15 items
> and it is exhibiting the same behavior. No matter what order I define
> them in, the 4th is always missing. Is there something obvious that
> I'm missing? Is there more information that would be useful in
> diagnosing?      
> 
> Thanks for all your help in advance!


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