Scalability of the vSphere ESXi CPU scheduler is always being improved release-to-release to support current and future requirements. New in vSphere 6.7 is the elimination of the last global lock, which allows the scheduler to support tens of thousands of worlds (various processes running in the VMkernel; for example, each virtual CPU has a world associated with it). This feature ensures vSphere maintains its lead as a platform for containers and microservices.

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