The SBC Core release 9.2 includes a feature that extends the use of hyper-threading to SBC SWe when it is installed on either the VMware or KVM Hypervisor platform. To take advantage of the performance improvements provided by hyper-threading, you must increase (double) the number of vCPUs configured in the VM prior to software upgrade. When upgrading, modify the upgrade process to incorporate the following additional steps:
If upgrading SBC SWe KVM Hypervisor or VMware from pre-07.01.00R000 release to 07.01.00R000 or higher:
If upgrading vCPUs from less than 10 to 10 or more, use the procedure below. This procedure requires shutdown of both SBCs (outage) so it is recommend to be done in a maintenance window.
Copy the procedure on this page but modify any reference to 8.x and change to 9.x as applicable:
https://doc.rbbn.com/pages/viewpage.action?pageId=203787493