Does anybody have real world experience with 32vCPUs monster VMs?
We have a customer in Austria that got some feedback that beyond 16vCPUs the VM performance doesn’t scale as expected.
I received some more information: primarily it's Oracle on a 32core machine - performing unexpectedly less on the VM.
On the VMworld 2013 panel I have heard the recommendation for Oracle to turn off NUMA and set HT = 1.
there is more information in these sessions:
VAPP4679 - Software-Defined Datacenter Design Panel for Monster VM's: Taking the Technology to the Limits for High Utilisation, High Performance Workloads
Sam Lucido and Jeff Browning, did a session on Oracle (VAPP5180- Extreme Virtualized Oracle 12c Performance in a Proven Architecture).
if you are interested, however, it doesn't answer my question completely, so still lookin for real world experience:
It’s one of our loyal customers with VMware, VPLEX, VMAX,… and they are in the process to move some of the biggest workloads (DB and more) to vSphere.
Thanks in advance!
Message was edited by: David Hanacek
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