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

[Uffe Gavnholt]

As I see it a tool like that would be usefull for generating TopN 
statistics - specially if you have RMON devices, that support the host 
group.

Top Talkers,
Top Error sources
Top destinations etc.

But normally, you would only want to see the top 10-20 sources, this way.

There might be other situations, like monitoring individual processes on UX 
systems, file system free disc - basically everywhere you have a list of an 
unknow dimension - or where you want to generalize the report definition 
for multiple targets.

Med venlig hilsen/Best regards


Gavnholt Communications
Uffe Gavnholt
Kong Georgs Vej 12
DK-2000 Frederiksberg
Denmark

Tlf.: +45 3816 0717
Fax: +45 3816 0718
Email: uffe at gavnholt.com


-----Oprindelig meddelelse-----
Fra:	Tobias Oetiker [SMTP:oetiker at ee.ethz.ch]
Sendt:	22. november 2000 00:29
Til:	Jakob Ilves
Cc:	rrd-users at list.ee.ethz.ch; mrtg at list.ee.ethz.ch
Emne:	[mrtg] Re: [rrd-users] VISIONARY: New tool to consider to create: a 
"Dynamic Data Set" tool...


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 ?

cheers
tobi


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