[rrd-users] Re: large values equal NaN?

John Barber jbarber at ingham.org
Fri Dec 9 13:26:09 MET 2005


Sounds to me like you set a max value of about 10 Billion when you
created the rrd.

just a thought.



>>> Greg Redder <redder at yuma.acns.ColoState.EDU> 12/8/2005 5:11 PM >>>

For years I've been running rrdtool as the basis for my cricket stats.
I recently noticed that values greater than about 10 billion are
entered
into the database as NaN.

Here's what I do.  I collect several values via SNMP and add them
together
with a shell script.  Then, the Cricket program via RRDs.pm
(RRDs::update)
writes the values to the database.  However, while I can see what value
is
attempted to be written, if the value is greater than about 10
billion,
the value of NaN is written instead.

I'm using rrdtool-1.2.11.

Does anyone know what this problem is?

Thank you
--Greg Redder
  Network Analyst
  Colorado State University


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