[Oisf-users] Suricata Performance

Brant Wells bwells at tfc.edu
Tue Jan 19 02:25:44 UTC 2010

Hey Frank,

If you can give me a few details on what you mean?

My CPU usage details come straight from the output of top.  On an active network throughput of 20-25 mbits on average (this is at my network's edge).


On Jan 18, 2010, at 7:15 PM, Frank Knobbe wrote:

> On Mon, 2010-01-18 at 16:25 -0500, Brant Wells wrote:
>> Anyhow, I've had Suricata running in IDS mode for a bit today and
>> would like to report on some usage stats.
>> [...]
>> The CPU usage is ~120-130%, and the memory usage is at 30.6%.  I have
>> a 20mbit (20 incoming and 20 outgoing) internet connection which is
>> running at ~18mbit download, ~3mbit upload right now.
>> Snort is running at ~60% CPU usage and 6.2% memory usage.  That's my
>> report.  If you need more detail, let me know.
> Do you have any comparison in the amount of dropped packets that one use
> to correlate to the CPU figures? 
> Cheers,
> Frank

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