Weathervane, a benchmarking tool for virtualized infrastructure and the cloud, is now open source.

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Weathervane is a performance benchmarking tool developed at VMware.  It lets you assess the performance of your virtualized or cloud environment by driving a load against a realistic application and capturing relevant performance metrics.  You might use it to compare the performance characteristics of two different environments, or to understand the performance impact of some Read more...

DRS Cluster Resource Management with Reservation and Shares

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Resource management in vSphere is very robust and sophisticated. It provides settings like reservation, limits and shares (a.k.a. RLS), which can be applied on virtual machines (VMs) and resource pools. These settings can be used as knobs to isolate resources, prioritize them, or to guarantee availability of resources to VMs in a cluster. Our customers Read more...

vCenter 6.5 Performance: what does 6x mean?

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At the VMworld 2016 Barcelona keynote, CTO Ray O’Farrell proudly presented the performance improvements in vCenter 6.5. He showed the following slide: As a senior performance engineer who focuses on vCenter, and as one of the presenters of VMworld Session INF8108 (listed in the top-right corner of the slide above), I have received a number Read more...