[Bro] traffic vs log size

Zeolla@GMail.com zeolla at gmail.com
Mon Sep 25 04:49:15 PDT 2017

My bro sensors are sent about 56TB/day and log around 600GB/day


On Sun, Sep 24, 2017, 18:02 Brian Wylie <briford.wylie at gmail.com> wrote:

> Hi All,
> I know these questions have lots of variables and 'it depends' but modulo
> that, I'm looking for anecdotal information on the 'data reduction' that
> happens with bro logs.
> Example:
> - The tap/span sees 2TBytes of traffic per day.
> - All the bro logs files for that day are approx 4GBytes on disk.
> So in this case the log files are giving about a 500x reduction in data.
> Again I know there are lots of factors.. just looking for a few data points
> from folks running Bro on a daily basis. In particular I'd like to get
> numbers for uncompressed log sizes.
> Thanks in advance,
> -Bri
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