[rrd-users] First data set missing

Markus Mayer a9325155 at unet.univie.ac.at
Tue May 27 21:26:43 MEST 2003


I'm new to RRDTool, so please bear with me.

While I was trying to get my first RRD graph up and working I noticed that
the first value written to an RRD is ignored, as is the last (using data
type GAUGE).

This is my RRD:
     '--start', 'now - 1year',
     '--step', 300,

I'm adding these values

When I'm dumping or fetching data from the RRD, I the first (3500) and last
(-7000) value are missing:

1053988500: nan
1053988800: 1.0000000000e+03
1053989100: -8.0000000000e+02
1053989400: -1.8000000000e+03

How can I change that?

This is basically the same problem that I found in the archives, posted
almost 2 years ago: http://www.ee.ethz.ch/~slist/rrd-users/msg03490.html

Unfortunately there was never a reply to this post (or at least it's not in
the archives).

My RRD version is 1.0.42 on a RedHat 7.3 machine.

Thanks for your help.

Best regards,

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