Someone provided great instructions for installing NTOPNG 1.2 on Ubuntu, so I upgraded my 1.1 to the current release (thank you!). I enabled saving historic flows (-F option). I noticed that it is eating up a LOT of space, and of course it is - since storing flows for all traffic on my home LAN is a lot - with some 23 active devices (and a few lower use devices).
Does ntopng re-use database storage when it starts hitting storage constraints? Is there a utility to just keep the previous X number of days and delete the rest? My storage utilization was less than 1% when I first started storing flows. Now I am at 12% in just 2 days or so. What happens when I start bumping up against storage constraints on my harddrive?
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