vSphere 6.7 delivers an exceptional experience with an enhanced VMware vCenter® Server Appliance™ (vCSA). vSphere 6.7 adds functionality to support not only the typical workflows customers need, but also other key functionality like managing VMware NSX®, VMware vSAN™, VMware vSphere® Update Manager™ (VUM), as well as third-party components.

 vSphere 6.7 also delivers phenomenal performance improvements compared to vSphere 6.5:

  • 2X faster performance in vCenter operations per second.

    With their benchmark vcbench, VMware performance engineers measured the number of operations per second that vCenter produced. This benchmark stresses the vCenter server by performing typical vCenter operations like power on and off a VM, among several others; for a full list, see Table 1 in VMware vCenter Server 6.0 Performance and Best Practices. vCenter 6.7 performs 16.7 operations per second, which is a twofold increase over the 8.3 operations per second vCenter 6.5 produced.
     
  • 3X reduction in memory usage

    VMware optimized the core vCenter process (vpxd) to use less memory to complete the same workloads.
     
  • 3X faster DRS-related operations (for example, the latency of powering on a VM)

    Before vCenter can power on a VM, it first consults several sub-systems, including DRS, to support the initial placement of the VM on a vSphere host. Latency, in this context, is the measure of the duration of this process. VMware made many optimizations in the coordination of these sub-systems to reduce power-on latency from 9.5 seconds to 2.8 seconds.

    For more information about the performance testing and results, see vCenter Performance Improvements from 6.5 to 6.7: What Does 2X Mean?
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