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How to analyze Windows Server 2012 virtualization performance, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

The development process of Hyper-V

In terms of server version, Windows Server 2003 no longer provides mainstream support in July 2010. now most users are gradually upgraded to Windows Server 2008, but in the face of the threat from server virtualization platform manufacturer VMware, Microsoft has been lagging behind in terms of product technology maturity and market share, although Microsoft also deploys related functions in its products and continues to improve them.

Microsoft first launched their Hypervisor:Hyper-V (2008) within six months after the launch of Windows Server 2008, which can be set up in the role of the operating system or separately, with System Center Virtual Machine Manager 2008 as the main management platform, covering the environment based on VMware server virtualization platform for integrated management.

The second version is Windows Server 2008 R2, which was launched in 2009, and also updated Hyper-V (2.0). The most important new feature is that it finally supports online migration (Live Migration). ── virtual machines can be migrated to other physical servers without downtime, and enhance processor and network support. System Center Virtual Machine Manager 2008 also launched R2, which not only supports Live Migration, but more importantly, it can be matched with System Center Operations Manager based on this function to achieve automatic transfer of VM, which is called Performance and Resource Optimization (PRO), which is comparable to VMware Distributed Resource Scheduler (DRS).

But VMware has not slowed down in recent years. VSphere 4 was launched in 2009 and vSphere 5 was launched in 2011, continuously expanding the technical specifications of server virtualization and the integration of related application functions. In 2012, as Microsoft is about to launch a new generation of Windows Server, there are also concerns about the development of server virtualization platform Hyper-V and whether the gap between Microsoft and vSphere 5 can be narrowed or even surpassed.

Server virtualization platform has become more mature

In the era of cloud computing technology, enterprises continue to invest the necessary basic systems to achieve private cloud deployment, and Microsoft also extends its tentacles to virtualization, so it is involved in server virtualization technology. When Windows Server 2012 is released, the Hyper-V provided breaks through the previous restrictions. At the same time, they also want to target the multi-tenant (multi-tenant) environment of cloud computing in order to further meet the needs of private cloud shared services and public cloud services, so Microsoft's development of Windows Server 2012 and Hyper-V is focused on this.

Specification comparison between Microsoft Hyper-V and VMware vSphere

In terms of server virtualization specifications, Microsoft's Hyper-V on Windows Server 2012 will surpass VMware vSphere. Each virtual machine can configure up to 64 virtual processors, while memory configurable 1TB, 16 times higher than in Windows Server 2008 R2 (64GB), is already higher than many physical x86 servers.

For 2-way servers with * * Intel Xeon E5-2600 series processors, if Hyper-Threading is enabled, the total number of cores can reach 32, and memory will be * to 768GB.

If the 4-way server is equipped with more than 8-core Xeon E7-4800 series processors (with Hyper-Threading enabled), or 16-core AMD Opteron 6200 series processors, there is a chance to match or exceed the processor and memory limit of a single Hyper-V virtual machine.

What does it look like compared to VMware vSphere? In the case of VMware's Hypervisor ── ESXi 5.0, a single virtual machine can currently be configured with up to 32 virtual processors and 1TB memory. In the configuration of VM's processor resources, the latest version of Hyper-V is slightly better, while the memory side is flat.

For the entire physical server, the previous version of Hyper-V could support only 64 logical processors, while vSphere 5 could support up to 160. this is considerable, but the * version of Hyper-V is better, up to 320. of the total number of virtual processors allowed on the entire server, Hyper-V 2.0 allows 512, vSphere 5 and Hyper-V 3.0 both 2048. In terms of memory capacity, Hyper-V 2.0 can support 1TB Magi vSphere 5 is 2TB Magi HyperMei V 3.0 and there is 4TB. As for the number of virtual machines that can be loaded by a single host, Hyper-V 2.0 allows 384, vSphere 5 512, and Hyper-V 3.0 1024.

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