[rrd-users] Re: Simple COUNTER graph output

[alex at ergens.op.Het.Net]

Henrique Pantarotto wrote:
> 
> I have a simple counter that counts the number of started "pop daemons" in
> my POP3 server.
> 
> "rrdtool fetch ../rrdtool/pop/srv6-sao.rrd AVERAGE" returns:
> 
>  954852900:          3.47
>  954853200:          3.97
>  954853500:          3.85
 [...]
>  954858600:          4.06
>  954858900:          3.84
>  954859200:          4.19
>  954859500:           nan

This much? Wow...

> I would really like to show a "process/minute" graph.  By how much do I have
> to multiply and/or divide the VAR above when I use the graph function?  What
> will the CDEF rule look like?

You now have processes per second.  I must say I'm impressed by a number this
big ...  If it is correct, just multiply by 60 to get the number of processes
per minute.  It is rather simple:  suppose you would start 1 per second, you
would be starting 60 in a minute.

If your current variable is named "processespersecond" you can do:
  CDEF:processesperminute=processespersecond,60,*

Now you use processesperminute in the "LINE1" statement.

> I read the tutorial, but I didn't understand the part where he multiplies by
> 1000, and by 3600 later...

Please write me off the list with some more details on what you didn't
understand.  If possible, suggest a better way.

regards,
-- 
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