(related to performance)
Virtual Machine Desired State Configuration (VMDSC) allows virtual administrators to specify VM CPU/Memory desired state which will take effect upon the next Guest OS reboot. This removes the burden of having to schedule a downtime window with the business/app owners.
The NUMA Observer Fling scans your virtual machine inventory and identifies VMs with overlapping core/NUMA affinities and generates alerts.
Storage Performance Tester is a one-click storage performance test tool, which is able to collect IOPS, latency and CPU cycles per I/O for ESXi storage stack. This tool automates all the testing steps including the customized VMs deployment, I/O workload running, and storage performance analysis.
This toolkit is intended to facilitate managing the lifecycle of these special configurations by leveraging vSphere APIs.
The vSAN performance monitor is a monitoring and visualization tool based on vSAN Performance metrics.
IOBlazer is a multi-platform storage stack micro-benchmark. IOBlazer runs on Linux, Windows and OSX and it is capable of generating a highly customizable workload.
vCenter Cluster Performance Tool is a Powershell script that uses vSphere PowerCLI to obtain performance data for a cluster by aggregating information from individual hosts.