The Virtualization Drag

摘要

In our tests of vmware's infrastructure 3 suite, the performance overhead of VMware ESX Server, while typically less than 10 percent, spiked as high as 20 percent. We're not saying running VMware will hobble your systems-hardware virtualization simplifies server consolidation, saving money and data-center real estate while cutting power usage, and double-digit performance hits can be avoided with proper planning. But there is an undeniable cost in terms of performance.