[rrd-users] Re: VISIONARY: New tool to consider to create: a "Dynamic Data Set" tool...

Tobias Oetiker oetiker at ee.ethz.ch
Wed Nov 22 00:29:17 MET 2000

Yesterday you sent me mail regarding [rrd-users] VISIONARY: New tool to...:

JI> So what am I suggesting?  It's very short to express but probably not
JI> trivial to achieve: write a tool which efficiently and accurately enough
JI> might store, process and graph this kind of dynamicly changing data sets
JI> and which supports the data consolidation over time MRTG/RRDtool uses
JI> (store 5 min samples for 48 hours, store 30 min samples for 2 weeks
JI> etc)..

doing this with rrdtool should not be too difficult ... think about
a directory tree with 3 levels ... each dir represents a byte of
the contributing hosts IP address the last byte woud be the file
name ... you can create rrd files as you go along ... 

my question would rather be, what reports do you want to generate
from this data ... this will be the real challenge ... do you want
to store the whole matrix ... source AND destination ? this would
make it probably unpractical with rrdtool, you might want to use a
SQL database (postgresql) for this ... but again, the question what
are you going to do with the data ?


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