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Martin_Valenta
Advisor

Open server - disable CPU cores

So we are running CP gateways on Dell servers, which are usually having two physical CPU with 8/14/16 cores. Only few gateways are having 8 or 16 cores license applied. For example 8 core license is applied on 28 core system, which means that those 8 CP cores (CPU0-7) are assigned only to one physical CPU. In case that in BIOS i'll  set amount of cores on each CPU to have only 4 cores, it will then utilise both physical CPU's and running CPU 0-3 on CPU1 and CPU 4-7 on CPU2.

Did somebody using this approach on open servers?

6 Replies
Danny
Champion Champion
Champion

I'm also using this approach as the number of licensed CPU cores should match the number of physical CPU cores seen by the system. In case you don't limit the number of physical CPU cores to the licensed number you can't trust CPU performance monitoring, which means you can't rely on what SmartView Monitoring, cpview and Check Point Healthcheck is showing.

Martin_Valenta
Advisor

where is mentioned that it must match? Smiley Happy 

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Chris_Atkinson
Employee Employee
Employee

Licensing asside, what are you hoping to achieve with this configuration?

CCSM R77/R80/ELITE
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Martin_Valenta
Advisor

With reducing amount of cores per CPU, it should have a slightly better performance i guess, when it will be using both physical CPU's

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Martin_Valenta
Advisor

We are using Nagios XI and custom scripts written to collect (snmp,ssh) and present all needed data.

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Timothy_Hall
Champion
Champion

Agree with Danny here, having a mismatch between number of physical vs. licensed cores on open hardware can also cause what I call the trial license "core crunch" in my book, where many different Firewall Worker instances fight each other for the few licensed cores.  Result: they all lose, at least performance-wise.

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