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Three ways to boost server efficiency and avoid hypervisor contention

If your hypervisor isn't performing at its best, ask yourself these three questions to see if you should pay more attention to server efficiency.

Poor hypervisor performance has many causes -- out-of-date software, insufficient storage, latency -- but server efficiency often goes overlooked.

Hypervisors have to be able to combat workload problems caused by bugs and poorly written code. As such, they have been designed to be some of the most effective and efficient software available for modern server platforms. But virtual machine performance does not rely solely on the software. Server hardware configurations play a crucial role in wringing the most data from every clock cycle and supporting better consolidation on each server.

Ask yourself these three questions to see if you can boost hypervisor performance from the server side.

Have you correctly configured the server to get the best performance from the hypervisor?

Almost all of today's servers support the major hypervisors, and many enable virtualization by default. It may be up to you, however, to manually enable the more advanced features, such as discrete I/O virtualization. But if you don't have enough physical memory to support the hypervisor in the first place, or the most recent software version to support your hardware, BIOS settings won't mean much.

Further reading on hypervisor performance factors

Capabilities and limitations to bare-metal and hosted hypervisors

Multi-hypervisor deployment: What to expect

Have you efficiently distributed hypervisor resources and workloads on your servers?

With virtualized workloads, it is easy to forget they can put as much strain on a server as physical resources. The workloads may consume more memory or network bandwidth than a server has available. As advanced as modern servers are, you, the admin, still need to load balance workloads and resources to avoid bottlenecks and contention, which in turn, fosters better hypervisor performance.

Is your server resilient enough to support good hypervisor performance?

When you consider the factors that affect hypervisor performance, server availability may not automatically come to mind. Resilience itself does not directly determine the efficiency of the hypervisor, but maintaining server resiliency helps prevent downtime and disruption, which, in turn, affect the hypervisor. Often all you need to boost both resiliency and hypervisor performance is a software upgrade or BIOS setting change.

Dig Deeper on Server consolidation and improved resource utilization

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