About the impact of using virsh emulatorpin in virtual environments with NFV, with and without isolcpus, and about optimal emulator thread pinning
Issue
About the impact of using virsh emulatorpin in virtual environments, particularly in Red Hat OpenStack Platform with NFV.
How nova behaves in Red Hat OpenStack Platform 10 and above, and how administrators should place qemu-kvm's emulator threads to avoid spurious packet loss, especially when isolcpus is used.
Environment
Red Hat OpenStack Platform 10 and later
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