Why are vCores not reccomended for the dynaTrac server deployment?
Hi,
Why are vCores not recommended for the dynaTrace server deployment? Is this simply a matter of allocating more vCores than equivalent physical cores or will this not work?
Kr
Ian
Best Answer
Hi,
vCore is the name given to a VM's CPU core by your used hyperviser (Xen, VMWare, etc). Basically a vCore stands for a real core. Our experience and practice shows that this is not true, because it is might not be a dedicated CPU core.
When a vCore requires processing time, a process called system scheduler will point the vCore request to a free physical Core.The Virtual Machine itself is clueless about this and any of your vCores can end up using cycles of any of the free physical CPUs.
CPU time stealing is also a topic.
http://blog.scoutapp.com/articles/2013/07/25/under...
Therefore to make sure that the dT server has the horse power he requires, we recommend dedicated hardware or a proper configured virtualisation.
I hope this was helpful,
Thorsten
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