[rrd-users] Re: Storimg 5 min data for 2 yr

[Stephan Harren]

It really does give you something, just because if you graph for a longer 
timescale rrdtool cannot graph with 5-minute-values but will keep the maxes 
of the 5-minute-values while calculating so you'll see a different max graph 
compared to the average graph.

Best regards,

Stephan

Am Montag, 3. Februar 2003 20:17 schrieb Chris Robb:
> We do the same thing, except we don't do MAX for the 5-minute data. I'm
> not sure that gives you anything since you're polling every five minutes.
> The Maximum of one polling interval is whatever you get for that poll. You
> can cut your files down to about 3.3MB by getting rid of that.
>
> -Chris
>
> Chris Robb
> Indiana University Global NOC
> Abilene/TransPAC Network Engineer
> chrobb at iu.edu  Desk: 812-855-8604 Cell: 812-325-8199
>
> On Mon, 3 Feb 2003, Andrew Werbowy wrote:
> > I got request to store 5 min MRTG data for 2 yr. I know what it is not
> > possible with MRTG, so I will have to use RRDTools. I read basic stuff
> > about RRD and looks like I would have to do something like this: rrdtool
> > create myrouter.rrd         \
> >             DS:input:COUNTER:600:U:U   \
> >             DS:output:COUNTER:600:U:U  \
> >             RRA:AVERAGE:0.5:1:210240     \
> >             RRA:AVERAGE:0.5:6:700      \
> >             RRA:AVERAGE:0.5:24:775     \
> >             RRA:AVERAGE:0.5:288:797    \
> >             RRA:MAX:0.5:1:210240          \
> >             RRA:MAX:0.5:6:700          \
> >             RRA:MAX:0.5:24:775         \
> >             RRA:MAX:0.5:288:797
> > note 210240 which is 2 year of 5 min stats (I think). Database would be
> > 6.8 meg big per switch/router/server interface. What are best practices
> > in such cases?
> >
> > Regards,
> > Andrew
> >
> >
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-- 
Stephan Harren
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