Ok, so basically a vCPU is a thread?
On 2022-10-07 17:49, Bob Elzer via PLUG-discuss wrote:
I believe it is 1 core has 2 threads. So cores x 2 = thread
So (2 x 2) x 1 = 4 vCpus
On Fri, Oct 7, 2022, 4:35 PM Keith Smith via PLUG-discuss
<plug-discuss@lists.phxlinux.org> wrote:
Hi,
I just watched a video that covered the Proxmox Hypervisor. Seems
simple enough. I've used Oracle's VirtualBox for years.
So I did some research on what a vCPU is. I was suppressed. The
math
given was (Threads x Cores) x Physical CPU = Number vCPU.
I have an old laptop that has 1 socket, 2 cores, four threads, and
4GB
of RAM.
Given the math (4 x 2) x 1 = 8 vCPUS. Is this correct?
From my reading it appears that RAM is not shared, so my bottleneck
is
RAM not cores or threads.
I am a PHP developer and a local vps would need 2GB of RAM at a
minimum.
I have found a LAMP VPS will crash if allocated less than 2GB of
RAM,
and will run will on 1 vCPU.
The good news is I really only need one VPS to be active at any
given
time.
If I wanted to build a box that could run more than one VPS at a
time,
lets say 4, and I wanted to allocate 2 vCPUs and 4GB of RAM I would
need
4 threads x 2 cores to run the 4 VPS configured with 2 vCPUs each.
What about RAM. Looks like I would need a minimum of 16GB of ram.
How much resources does the Hypervisor need, in this case Proxmox?
Thanks!!
Keith
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