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Old 05-Mar-2007, 19:20   #1
pHk
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RRD (Tool) Data Extraction

Probably a futile attempt, but you never know.

We're using NTOP at work to collect all sorts of data on firewall (or other) machines. It collects a shitload of stuff and therefore is very handy for bandwidth monitoring and such. What we need to make is a PHP application that does just that.

My problem: extracting data from the RRD files (round-robin database). What NTOP does is create a load of RRD files for each host which hold all the data. We, however, have no clue of how to get sensible data from these RRD files (RRD tool allows us to fetch but it seems such a small amount of not very meaningful data).

So, before I go wasting my time going through all the source files written in C trying to find out how NTOP generates all this beautiful data, has anyone worked with these before in a similar situation?

PS: I've already covered RRDTool and Perl RRD modules, so they didn't really help me
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Old 06-Mar-2007, 09:52   #2
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You do realise you can export the traffic data ntop collects?
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Old 06-Mar-2007, 10:38   #3
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Yes. Where in reality "export" is more like "dump".

I've made a new discovery though, I used to assume /dumpData.html was the only kind of dump NTOP was capable of, but I just noticed theres dumpHostsMatrix and dumpTrafficData as well. They both open up some more doors for us to do what we want to do.
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