Re: traffic analysis

Rhett Garber wrote:

> I've been doing a lot of thinking on this front: its a tradeoff
> between flexibility, correctness vs. performance and space
> efficiency.
> 

Another approach would be to use rrdtool. This is a round robin
database. We've been using it to store stats of network devices.
The size of the database file doesn't change.

RRD is a system to store and display time-series data (i.e. network 
bandwidth, machine-room temperature, server load average). It stores the 
data in a very compact way that will not expand over time, and it 
presents useful graphs by processing the data to enforce a certain data 
density. It can be used either via simple wrapper scripts (from shell or 
Perl)

The downside is you have to know before what do you want to know
and how do you want it displayed. ie: I want to store daily hits
and I want to see week, month and year stats.

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