Hey Prashant, I am not sure exactly sure I understand your question. * You have AIO-Simplex installed in a “virtual” environment (VM) ? * Are you using KVM or VBOX ? * How were you determining that starlingx was using 5 cores ? Greg. HI, I installed starlingx aio-simplex on a VM - what I observed was it was taking approx 5 cores. Is that expected? This was just k8x installation and I have not even installed openstack in it. https://docs.starlingx.io/deploy_install_guides/r4_release/virtual/aio_simpl... Thanks, Prashant