When the vCPU allocated by HUAWEI CLOUD ECS spans different physical CPU, the performance will fluctuate. The host cluster generally uses affinity scheduling to avoid this situation. Which of the following technologies is used by the HUAWEI CLOUD underlying platform to achieve CPU affinity scheduling?

When the vCPU allocated by HUAWEI CLOUD ECS spans different physical CPU, the performance will fluctuate. The host cluster generally uses affinity scheduling to avoid this situation. Which of the following technologies is used by the HUAWEI CLOUD underlying platform to achieve CPU affinity scheduling?
A . Anti-Affine
B . NUNA
C . Host Aeregator
D . PCI Passthrough

Answer: B