[rrd-users] beginner question

Wendy Faulkner faulkner at eco.utexas.edu
Tue Jun 12 21:24:25 MEST 2001

Well, I read through the tutorial, thought I had it all under control, but my
first try goes blammy.  

I created a database similar to one in the tutorial:

rrdtool create mail.rrd DS:input:COUNTER:600:U:U RRA:AVERAGE:0.5:1:600
RRA:AVERAGE:0.5:6:700 RRA:AVERAGE:0.5:24:775 RRA:AVERAGE:0.5:288:797
RRA:MAX:0.5:1:600 RRA:MAX:0.5:6:700 RRA:MAX:0.5:24:775 RRA:MAX:0.5:288:797

I started a script to update it regularly (it was planned to be every 5 mins,
but I ran it every minute just to try and fill up the DB.)  

Its been updated via:

/usr/local/rrdtool-1.0.33/bin/rrdtool update mail.rrd N:613
(many similar ones - the mailq has always been 600-650 mails during this time.)

But when I do a rrdtool fetch mail.rrd AVERAGE to see what's in there, I get:


 992371800: NaN
 992372100: NaN
 992372400: 4.5449389354e+07
 992372700: 2.8633115300e+07
 992373000: 4.2707019434e+07
 992373300: 2.8875768826e+07
 992373600: 2.8394506023e+07
 992373900: NaN

a.  Those numbers don't look anything like 600 or so, and 
b.  They always display in scientific notation.  

Is there any way I can get the numbers in a more readable format, and any idea
why they're not like what's getting inputted?  (Having the same problem with a
load-average DB I created as well.)  

So I figure I'm missing something painfully obvious but aren't sure what it is.
The examples in the tutorials all worked fine....  Thanks for any suggestions.
          Wendy Faulkner             Don't knock on Death's door. 
      faulkner at eco.utexas.edu	     Ring the bell and run away.
 http://www.eco.utexas.edu/~faulkner He hates that.

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