Host Power Management

Docker Containers Performance in VMware vSphere

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by Qasim Ali, Banit Agrawal, and Davide Bergamasco “Containers without compromise.” This was one of the key messages at VMworld 2014 USA in San Francisco. It was presented in the opening keynote, and then the advantages of running Docker containers inside of virtual machines were discussed in detail in several breakout sessions. These include security/isolation Read more...
VMware ESXi Custom Power Management Settings improve efficiency

Custom Power Management Settings for Power Savings in vSphere 5.5

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VMware vSphere serves as a common virtualization platform for a diverse ecosystem of applications. Every application has different performance demands which must be met, but the power and cooling costs of running these applications are also a concern. vSphere’s default power management policy, “Balanced”, meets both of these goals by effectively preserving system performance while Read more...

Power Management and Performance in VMware vSphere 5.1 and 5.5

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Power consumption is an important part of the datacenter cost strategy. Physical servers frequently offer a power management scheme that puts processors into low power states when not fully utilized, and VMware vSphere also offers power management techniques. A recent technical white paper describes the testing and results of two performance studies: The first shows Read more...

Power Management and Performance in ESXi 5.1

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Powering and cooling are a substantial portion of datacenter costs. Ideally, we could minimize these costs by optimizing the datacenter’s energy consumption without impacting performance. The Host Power Management feature, which has been enabled by default since ESXi 5.0, allows hosts to reduce power consumption while boosting energy efficiency by putting processors into a low-power Read more...

Host Power Management in vSphere 5

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Host power management (HPM) on ESXi 5.0 saves energy by placing certain parts of a computer system or device into a reduced power state when the system or device is inactive or does not need to run at maximum speed. This feature can be used in conjunction with distributed power management (DPM), which redistributes VMs Read more...