After unveiling the list of features that will appear in the next major release of the VMware vSphere platform (currently numbered 4.1, but likely to change in 4.5 to align with the upcoming release of View 4.5), virtualization.info can now share full details about the performance improvements introduced by some of them, like Scalable vMotion, Wide VM Numa, Memory Compression and others.
Let’s start with the new configuration limits that can vSphere 4.1 can reach:
- 3,000 virtual machines per cluster (compared to 1,280 in vSphere 4.0)
- 1,000 hosts per vCenter Server (compared to 300)
- 15,000 registered VMs per vCenter Server (compared to 4,500)
- 10,000 concurrently powered-on VMs per vCenter Server (compared to 3,000)
- 120 concurrent Virtual Infrastructure Clients per vCenter Server (compared to 30)
- 500 hosts per virtual Datacenter object (compared to 100)
- 5,000 virtual machines per virtual Datacenter object (compared to 2,500)






