[rrd-developers] Bug#543631: rrdupdate does not support floating point values with DERIVE, COUNTER

Sebastian Harl tokkee at debian.org
Mon Dec 28 23:29:33 CET 2009


(This is a follow-up to Debian [bug543631].)

On Wed, Aug 26, 2009 at 08:00:22AM +0000, Florian Weimer wrote:
> Floating point values are supported with GAUGE.  This suprising
> behavior is not clearly documented, as far as I can tell.  I don't
> think there are architectural reasons for this behavior.

[side note: "this surprising behavior" refers to the subject of the
E-mail, i.e. "rrdupdate does not support floating point values with

I'm not entirely sure about any reasons for that either. COUNTER and
DERIVE values are stored as a rate (i.e., a double) as well anyway. To
be able to calculate the rate, the last value is stored as well. This is
done using a string, though, so it does not impose any limitations

With this E-mail, I'm forwarding the issue upstream, hoping for an
explanation (or request for patches ;-)).


[bug543631] http://bugs.debian.org/543631

Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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