Heh - yes, an example will surely help. In the long run, I want to display fancy graphs of things, possibly through SVG, PNG or OpenGL, but for the start, I want simple textual output, say, like the following:

        avg/s    cur/s      avg/min    cur/min      avg/h     cur/h   
+  avg/day    cur/day
google:     6       10          360        500      21600     43200   
+      ...        ...
yahoo:      2        1          120        ...         ..        ..   
+      ...        ...
...

[download]

Here, avg/s stands for the average number of hits per second, across the whole reporting period, while cur/s stands for the current number of hits per second (or rather, the number of hits in the last second). avg/min stands for the average number of hits per minute, and cur/min for the current number of hits per minute, that is, the number of hits in the last 60 seconds. For /h, it's hour and for /day it's the day. The applications where periods longer than 7 days are interesting are periods where a 10 second or 1 minute resolution will be sufficient.

Currently, I'm still looking for a "better" approach than storing all the hits for all the seconds in my time windows, but so far haven't found one.

Update: Clarified averages and current.

In reply to Re^2: Data structure for statistics by Corion
in thread Data structure for statistics by Corion

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