[rrd-users] Re: Traffic accounting - daily/weekly/monthly

Chris Roberts croberts at bongle.co.uk
Thu Jan 5 10:04:29 MET 2006

> users. These RRD files are created as follows:
> /usr/local/rrdtool-1.2.11/bin/rrdtool create /rrd/file.rrd -b $starttime -
> s
> 300 DS:BytesIn:DERIVE:600:0:4294967295 DS:BytesOut:DERIVE:600:0:4294967295
> DS:PacketsIn:DERIVE:600:0:4294967295 DS:PacketsOut:DERIVE:600:0:4294967295
> RRA:AVERAGE:0.5:1:8064
> And updated as such:
> /usr/local/rrdtool-1.2.11/bin/rrdtool update /rrd/file.rrd
> $timestamp:$bytesin:$bytesout:0:0

Apologies to reply to self, but I've been doing a bit more reading and I
suspect this will be okay for what I need (but would like some help to
confirm). Surely with an RRA defined as above there is 1 PDP per CDP,
therefore no manipulation is required on the figures - i.e. each CDP will be
a verbatim copy of the PDP and therefore usable for accounting purposes?
Obviously it severely limits the amount of storage (14 days in this case by
my calculations), however I'm not so concerned about the length of storage -
merely the ability to provide short-term graphs and accounting data... Am I
right on this line of thinking?


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