Point 1 : As per Tableau documents I have noticed that Cache Server processes = VizQL processes and not necessarily needed at backgrounder
I have seen a post where Toby had 12 backgrounders , 12 cores
Well ,as per the book max should be No. of cores / 2
Please read above post , must be useful for you.
Please mark the answer as CORRECT and HELPFUL if it really helped you so that it can help others.
Thanks for your response. I'll take a look at these links.