[rrd-users] Am I reaching a limit of RRDTool or of the Perl interface?

[Tobias Oetiker]

Hi Oliver,

make sure you are using rrdtool 1.5.x you should be fine doing a
few 10'000s rrd files and really long argument lists ...

cheers
tobi

Today Olivier Nicole wrote:

> Hi,
>
> I am building a graph by using the default Perl inteface and having the
> DEF and CDEF as follow:
>
> "DEF:v0=/web/csim/htdocs/laboratory/monitor/mail/mail.cs.ait.ac.th/file-v0.rrd:vir:AVERAGE"
> "CDEF:vv0=v0,288,*"
> "AREA:vv0#ff0000:data-v0 "
> "DEF:v1=/web/csim/htdocs/laboratory/monitor/mail/mail.cs.ait.ac.th/file-v1.rrd:vir:AVERAGE"
> "CDEF:vv1=v1,288,*"
> "STACK:vv1#00ff00:data-v1 "
>
> Up to v24 and vv24
>
> Then I have
>
> "DEF:w0=/web/csim/htdocs/laboratory/monitor/mail/mail.cs.ait.ac.th/file-w0.rrd:vir:AVERAGE"
> "CDEF:ww0=w0,288,*"
> "DEF:w1=/web/csim/htdocs/laboratory/monitor/mail/mail.cs.ait.ac.th/file-w1.rrd:vir:AVERAGE"
> "CDEF:ww1=w1,288,*"
>
> Up to w11 and ww11
>
> Then
>
> "CDEF:o=0,ww0,+,ww1,+,ww2,+,ww3,+,ww4,+,ww5,+,ww6,+,ww7,+,ww8,+,ww9,+,ww10,+,ww11,+"
> "STACK:o#880000:Others\n"
>
> It's working well, but as soon as I add w12 and ww12, I don't get the
> Other data. There is no error, but it won't display.
>
> Am I reaching some limit?
>
> Thanks in advance,
>
> Olivier
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902