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Enhanced VMware ESX 4.1 CPU Scheduler

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Check out our technical paper on ESX CPU scheduler in vSphere 4.1. This is revised from the previous version to reflect a new feature, wide VM NUMA support.  This paper attempts to answer the following questions: How is CPU time allocated between virtual machines? How well does it work? What is the difference between “strict” and “relaxed” Read more...

VMware vSphere™ 4: The CPU Scheduler in VMware® ESX™ 4

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VMware recently published a whitepaper that discusses changes in CPU scheduler in ESX 4. The paper also describes a few key concepts in CPU scheduler that should be useful to understand performance issues involved with CPU scheduler. Specifically, it attempts to answer the following questions: How CPU time is allocated between virtual machines? How well Read more...