[Oisf-users] More cores versus higher speed cpus

Edgmand, Craig craig.edgmand at okstate.edu
Fri Apr 3 20:18:11 UTC 2020


I am using Intel X520 10Gb NICs.

I am moving away from PF_RING to AF_PACKET as well.


-----Original Message-----
From: Oisf-users <oisf-users-bounces at lists.openinfosecfoundation.org> On Behalf Of Andreas Herz
Sent: Friday, April 3, 2020 3:09 PM
To: oisf-users at lists.openinfosecfoundation.org
Subject: Re: [Oisf-users] More cores versus higher speed cpus

**External Email - Please verify sender email address before responding.**

On 31/03/20 at 14:42, Edgmand, Craig wrote:
>         I have 2 servers to run Suricata 5 on and given equal memory,
>         disks speeds/capacity and Ethernet cards processing about 5
>         Gb.  Would you recommend going with two 4 core processors
>         running 3.3 Ghz or two 8 core processors running 2.20 Ghz? The
>         slower processors have more mem cache (20 Mb vs 10 Mb).

What NICs do you use?

I would go with the 2x8 cores as just 2x4 cores could be a bottleneck when you see many flows. The advantage of the faster cores would help when you have many big flows and many rules.

There is no 100% correct answer.

--
Andreas Herz
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