[rrd-users] One little Newbie Question

[Hans-Joachim Ehlers]

Maybe another way around:
Check ganglia - http://www.ganglia.info/ -  and see how it uses rrdtool. It might give some good ideas ?

regards
Hajo


>>> clinder <clinder at uni-muenster.de> 04/12/2007 13:59 >>>

Nobody has an idea? :(

I still don't know

Chris



clinder wrote:
> 
> Hi everyone,
> 
> my boss wants me to raise up a network monitoring system so i just started
> with rrdtool a few days ago.
> i read a lot of tutorials and documentation but there are a lot of
> questions left. here is one of them.
> 
> 1. i use the perl module RRDs to access and  fetch the database. i created
> my test DB with:
> 
>   RRDs::create($DB, "--step=60",
>     "DS:cpu-load:GAUGE:66:U:U", 
>     "RRA:MAX:0.5:1:60",
>     "RRA:MAX:0.5:60:24",
>     "RRA:MAX:0.5:1440:7",
>   ) or die $RRDs::error;
> 
> so everybody can see that rdd's stepsize is 60 sec. right?
> 
> Now i tried to fetch some data with:
> 
>     my ($start, $step, $names, $data) =
>      RRDs::fetch($DB, "MAX");
> 
> printing $step says: stepsize would be 3600
> 
> Why?
> 
> thanks a lot in advance
> Chris
> 

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