[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: About CPU core licensing and hyperthreading in a virtualized environment

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Paul Koufalis

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I am not a lawyer, and I preface my comments with the same disclaimer as bronco, but I can say that I have supported MANY end-users when faced with a license audit. This CPU vs core vs virtualization issue comes up often and the answer, according to the real documentation, is not cut-and-dry. With that said, if you can prove to the license audit team that your virtual machine is limited to X physical cores, then that should be sufficient. This may mean showing the contents of /proc/cpuinfo AND showing the 2-for-1 allocation of vCPU vs physical cores in the hypervisor host. On AIX, you will also need to show your max entitlement as that is your actual max CPU limit. For other people reading this, you should self-audit, or get us to pre-audit you, as your ability to purchase licenses and negotiate price basically goes out the window in an audit situation. And to make it worse, you can expect to pay DOUBLE for any license discrepancies once you factor in penalties and back maintenance. Invest in a couple of days of work now to avoid tens or hundreds of thousands in license surprises tomorrow.

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