[rrd-users] Re: simple issues

[Andrew Culver]

Considering you have only 6 data points per line, I don't see what you think
looks wrong. They are overlapping at the bottom because the data points are
so close. If you want, try using --height 300 or something larger to get a
larger area, you would probably be able to see that the lines are both there
without the overlap. Also, if you're going to call the output file speed.png
make sure you use --imgformat PNG in your graph command so rrdtool will
actually write the images in PNG format.

As for your 2nd question, I don't think graphing 140 lines on the same graph
is the right way to go about it, unless you make a giant poster-sized image.
It will be far too cluttered to tell anything other than extreeme values
which diverge from the clutter. If the numbers are all related (and since
you're trying to put them on the same graph, I assume they are all related),
you might want to only graph the total, average, min and/or max of the 140
values.

Andrew

----- Original Message ----- 
From: "Hunter Peress" <hunterp at fastmail.fm>
To: <rrd-users at list.ee.ethz.ch>
Sent: Thursday, July 31, 2003 1:26 PM
Subject: [rrd-users] simple issues


> I have 140 datastreams im trying to graph. I cant even do 2.
>
> As you can see i WANT 2 lines. one is in the 12000,12500 range and the
> other is in the 12000,90000 range. The graph is just terrible looking. I
> want to be able to clearly see both graphs.
>
>
> rrdtool create test.rrd             \
>         --start 920804400          \
>         DS:speed:COUNTER:600:U:U   \
>         DS:shit:COUNTER:600:U:U   \
>         RRA:AVERAGE:0.5:1:24       \
>         RRA:AVERAGE:0.5:6:10
>
> rrdtool update test.rrd 920804700:12345:12500 920805000:12357:13000
> 920805300:12363:13200
> rrdtool update test.rrd 920805600:12363:80000 920805900:12400:70000
> 920806200:12500:90000
>
> rrdtool graph speed.png                              \
>      --start 920804400 --end 920808000               \
>      DEF:inoctets=test.rrd:speed:AVERAGE        \
>      DEF:outoctets=test.rrd:shit:AVERAGE       \
>      LINE1:outoctets#0000FF:"Out traffic" \
>      LINE2:inoctets#0000FF:"In traffic"
>
>
>
>
>
>
>
>
>
> 2nd question: does anyone know of any graphs with 140 (or close)
> datastreams? why? because i dont want to pick out 140 different colors
> if someone has done it before. i realize that i could do a chromatic
> sequence.
>
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