[mrtg] Re: mrtg for home users: more precision than '5minuteaverage'?

[Koelstra, J. (Jan)]

Constantine,

If I understand you well you want to monitor the usage of one particular line for a short period of time and with small intervals.
Besides you want it simple, safe and do not want to spend too much time on it.

If you are using any Windows based OS I suggest you use Getif. (http://www.wtcs.org/snmp4tpc/getif.htm)
This little tool can graph SNMP values with intervals as smal as 1 second.
The only disadvantage I see is that you can not run it as a background service.

HTH,

Jan.


-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch] On Behalf Of Cook, Garry
Sent: Thursday, March 30, 2006 10:38 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: mrtg for home users: more precision than '5minuteaverage'?


Constantine A. Murenin wrote:
> On 30/03/06, PAUL WILLIAMSON <pwilliamson at mandtbank.com> wrote:
>>>>> "Constantine A. Murenin" <mureninc at gmail.com> 03/30/06 2:54 PM >>>
>>> I don't want to do that. I trust my chroot'ed httpd, and I trust
>>> that mrtg should not stop at providing 5-minute accuracy in regular
>>> mode as opposed to RRDTool mode.
>>
>>> I don't want to install any third-party CGIs, I'm quite happy with
>>> what mrtg offers, except that 'Interval: 1' doesn't work. :(
>>
>> What is MRTG?  It's as much a 3rd party app as routers2 or cacti or
>> cricket or any other polling solution.  RRDTool is just a backend.
>
> MRTG is a reliable and trusted third party app. From the first look at
> routers2 I cannot say the same.

How come I wasn't invited to any of these parties?
MRTG and Routers2.cgi are both Open Source apps. Mainly they are maintained by one person, but lots of people contribute. Exactly how do you define reliable? I've been using both for the same amount of time, and neither one of them has ever caused me any downtime or munged any data.


>> Have you even *tried* using RRDTool as the backend and MRTG with
>> interval set to 1?  MRTG is not going to do 1 minute intervals, any
>> time soon, if ever.
>
> Can mrtg still plot my graphs and generate html in this fashion using
> most of my existing configuration?

I believe that you're thinking of MRTG as being more than it is. MRTG is a collector. It collects data. The data collected by MRTG can be stored in log files or RRD files. If you want one minute granularity, then you need to use RRDs. HTML is generated by the front-end to MRTG, be it the 14all.cgi included with MRTG or Routers2.cgi.

Thanks,
Garry

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