[rrd-users] Re: DST beginner question

[Christoph Schwabl]

Hi,

at first, thanks for the fast answer.

Here are an example of values which I get.

1. file 07.11.2006,15:46:32,7542433,Ingress Cells (ATM)
2. file: 07.11.2006,16:02:02,6517020,Ingress Cells (ATM)
3: file: 07.11.2006,16:16:47,6258907,Ingress Cells (ATM)
4: file: 07.11.2006,16:31:49,11748027,Ingress Cells (ATM)
5: file: 07.11.2006,16:46:49,14060652,Ingress Cells (ATM)
6: file: 07.11.2006,17:01:56,13571731,Ingress Cells (ATM)
... (I get all 15 minutes a new file.)

That means:
The system has collected between 15:46:32 and 16:02:02 exactly 6517020 
ingress atm cells.
Between 16:02:02 and 16:16:47 exactly 6258907 ingress atm cells.
and so on.

In the same file I have the Egress Cells.

I am very sure that I get always delta values because I found this in 
the system documentation and as you can see the counters are not always 
increasing.

So what I do is to get all 15 min (with a cron) the ingress atm cells  
and the egress atm cells value from the last file.
I also calculate the date/time into the unixtime and send this three 
values to the rrd database.

br
Christoph

Alex van den Bogaerdt wrote:
> On Tue, Nov 07, 2006 at 05:06:43PM +0100, Christoph Schwabl wrote:
>
>   
>> What do I need?
>>
>> I have a file where I can find my values (atm cells).
>> This are already *DELTA* values in atm cells, so I know 
>> that COUNTER is the wrong DST.
>>     
>
> You say you are not sure what to do, so please allow me to
> doubt your statement about "counter" being wrong.
>
> Could you show some numbers, and what they mean?
>
> For instance:
>
> ...
> time around 18:00 value 123
> time around 18:15 value 121 meaning 121 cells have been transmitted since 18:00
> time around 18:30 value 400 meaning 400 cells have been transmitted since 18:30
> ...
>
> or maybe
>
> ...
> time around 18:00 value 123456
> time around 18:15 value 123512 meaning 56 more cells have been transmitted
> time around 18:30 value 123912 meaning 400 more cells have been transmitted
> ...
>
> or whatever is appropriate.
>
>   
>> I want to build a graph in bits/s.
>>     
>
> We'll continue once we've done the basics.
>
>   

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