[Nagiosplug-devel] Re: Nagiosplug-devel digest, Vol 1 #707 - 4 msgs
Andreas Ericsson
ae at op5.se
Tue Nov 16 09:38:03 CET 2004
Thomas M. Payerle wrote:
>>However, performance data from a few plugins is required to respect
>>floating point numbers. Can I suggest this function is changed to
>>accept real numbers and not integers?
>
> A possible caveat: I believe rrdtool round robin databases only accept
> integral values, at least I ran into that when playing with this on a
> couple of my systems. Although I have not thoroughly confirmed this, and
> was not running the latest and greatest version of rrdtool, and I suspect
> it might not be a major change to rrdtool to fix (I believe it must store
> floating point due to its interpolation algorithms, but the tools appear
> only look at integral part of the arguments).
It is trivial to convert floating point data to integer data, just as it
is trivial to store an 8 character string in a long long. I believe this
code can be left to the performance data parser in case rrdtool truly
lacks this functionality.
> I was meaning to contact
> the rrdtool developer after looking into it more thoroughly, but have been
> swamped of late; for my needs I just had plugin report as a percentage.
>
> None of the above directly impacts the Nagios performance data question,
> but as I suspect one of the most common uses of performance data is to
> populate rrdtool databases, I thought I would alert you to the potential
> issue.
>
--
Andreas Ericsson andreas.ericsson at op5.se
OP5 AB www.op5.se
Lead Developer
More information about the Devel
mailing list