[rrd-users] Re: Units in fetch for DST type COUNTER

[Nid]

Any help here?  :]

nid

----- Original Message ----- 
From: "Nid" <mk_spam at comcast.net>
To: <rrd-users at list.ee.ethz.ch>
Sent: Wednesday, April 07, 2004 4:41 PM
Subject: [rrd-users] Units in fetch for DST type COUNTER


> Okay....I'm using rrd to graph several things.  It's all working great and
the graphs are just right.  But I'm having problems fetching the data and
getting the correct results.  If I do a fetch on an rrd with DST defs of
type GAUGE the results are correct.  But if I do the same fetch on an rrd
with DST defs of type COUNTER the results are incorrect.  They are incorrect
in that the numbers returned are decimal numbers that correspond to the
units displayed on a rrd graph.  For example...lets use 4 data points shown
on an rrd graph:
> 3649
> 2336
> 2411
> 7828
>
> The result of a graph has a y-axis that shows "tick-marks" in "k" units.
Like....1k...2k...3k...4k...etc.
>
> When I do a fetch the values show up as:
>
> 3.6
> 2.3
> 2.4
> 7.8
>
> But I don't have any way of knowing that the units are k...ie...1000 times
the listed values.  This only happens when the DST is of type COUNTER.
>
> How can I either
>
> (a) have fetch give me the actual values such as 3649, 2336...etc.
> or
> (b) some how get the units that the fetch result values are in.
>
> Option (a) would be much preferred as option (b) would be approximations
of the real values....ie...I'd get 3600 instead of 3649.....2300 instead of
2336...etc.
>
> In the big picture...what I'm trying to do...is use the rrd as a source
for data in a program to do some calculations.  The program works fine for
reading in the results of the fetch....but the above problem is not allowing
me to do any calculations from rrd files where the DST is of type COUNTER
since I don't know the units associated with the resulting data.
>
> Thanks for any help.
>
> nid
>
>
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