What is the per node -2 referring to in Cribl Sizing?

lou

Hi Experts,i am doing some sizing calculation using  https://criblsizing.info/
what is the per node -2 referring to ?

Paul Daigle II

Number of cores minus two

Brendan Dalpe

Process count: Indicates the number of Worker Processes to spawn. Positive numbers specify an absolute number of Workers. Negative numbers specify a number of Workers relative to the number of CPUs in the system. like this: {<number of CPUs available> minus <this setting>}. The default is -2.

https://docs.cribl.io/stream/scaling#worker-processes

Brendan Dalpe

Note this calculator is meant for sizing guidance, not an exact spec