I am using Xeon E3-1240 v2.  It has 4 cores, 8 threads.  

 

I am using several docker apps.  Now, that I am using VMs, how do you assign 4 cores to the VM?  0,1,2,3?  and 4,5,6,7 for a different VM?

 

But when activies are running, I oftentimes see 1 core maxing out, and not all of them.  Is this normal?

If you look on your dashboard you can see the CPU cores in two columns.  Each row is a physical and a hyperthreaded core.  I would recommend that you keep your related physical and hyperthreaded cores together on any VM.  

 

Edit:

You can also see this in tools --> system devices

 

CPU Thread Pairings

cpu 0 <===> cpu 14
cpu 1 <===> cpu 15
cpu 2 <===> cpu 16
cpu 3 <===> cpu 17
cpu 4 <===> cpu 18
cpu 5 <===> cpu 19
cpu 6 <===> cpu 20
cpu 7 <===> cpu 21
cpu 8 <===> cpu 22
cpu 9 <===> cpu 23
cpu 10 <===> cpu 24
cpu 11 <===> cpu 25
cpu 12 <===> cpu 26
cpu 13 <===> cpu 27

Edited June 12, 20179 yr by zyurph

Meaning, I should use 0,1,2... For 1 VM?

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Don't forget to leave at least 0 for unRAID.  I would recommend you leave the hyper thread pair as well so likely leave 0 & 4 for unRAID and use 1 & 5 for one VM and 2,3,6 & 7 for the other VM.

Thanks BobPhoenix